CN103252919A - Novel front edge paper feeding device for corrugated case production line - Google Patents
Novel front edge paper feeding device for corrugated case production line Download PDFInfo
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- CN103252919A CN103252919A CN2012102558687A CN201210255868A CN103252919A CN 103252919 A CN103252919 A CN 103252919A CN 2012102558687 A CN2012102558687 A CN 2012102558687A CN 201210255868 A CN201210255868 A CN 201210255868A CN 103252919 A CN103252919 A CN 103252919A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/063—Rollers or like rotary separators separating from the bottom of pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/0607—Rollers or like rotary separators cooperating with means for automatically separating the pile from roller or rotary separator after a separation step
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/06—Rollers or like rotary separators
- B65H3/0692—Vacuum assisted separator rollers
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Abstract
The invention discloses a novel front edge paper feeding device for a corrugated case production line. The front edge paper feeding device comprises a paper feeding working platform, an air suction device, a mechanical intermittent driving case and a platform lifting mechanism. A group of paper feeding rubber wheels is arranged on the top of the platform. The air suction device is arranged below the platform; corrugated paper plates are closely attached to the top of the working platform under the action of negative pressure of an air suction case; and when the paper feeding rubber wheels rotate, the corrugated paper plates are conveyed one by one under the action of friction of the paper feeding rubber wheels. The paper feeding rubber wheels are driven to rotate intermittently by the mechanical intermittent driving case; a combined mechanism of a parallel dividing cam mechanism and a gear mechanism is arranged in the driving case; two cam pieces are integrated; a dividing disc and a driving gear are integrated; structure is compact; and driving accuracy is high. The platform lifting mechanism comprises a swing cam and a plurality of arm levers; outline shape or connecting rod length of the swing cam is adjusted by flexible adjustment; and after the linear speed of the paper feeding rubber wheels matches with the linear speed of the paper feeding roller, and the corrugated paper is conveyed to a preset position, the work platform is guaranteed to be lifted, and the corrugated paper is separated from the paper feeding rubber wheels to stop conveying.
Description
Technical field
The present invention relates to a kind ofly for the front edge paper feed device on the corrugated case packages printing production line, refer in particular to the high-speed, high precision paper feeder before the functional units such as corrugated board printing, cross cutting, fluting, belong to corrugated case machinery manufacturing technology field.
Background technology
At present, the corrugated case production line mainly comprises functional units such as paper feed part, Printing Department, fluting portion, cross cutting impression portion, pile portion both at home and abroad, each functional unit is arranged on the guide rail by process sequences, and by the engagement of the gear between each monoblock transferring power, realize the synchronous coordination running of a whole set of production line.Paper feed part also can only fit together with die-cutting portion or fluting portion, circular pressing and cutting machine or groover on Here it is the domestic market.No matter be production line or the unit process equipment of corrugated case, paper feed part all is essential, and the paper feeding precision has directly determined follow-up printing precision and mould-cutting precision.
Paper feed part, be about to cut out the carton process equipment that good corrugated board is sent the back one by one accurately, reposefully to, paper feeder commonly used mainly contains three kinds: 1) chain-type, namely adopt sprocket wheel and chain to promote paper feeding, the shortcoming of this paper feeding mode is inefficiency, and noise is big, and precision is low, the paper feeding precision can only be applicable to less demanding fruit case generally at 3-5mm.2) push pedal is reciprocating type, namely adopts toggle to drive and pushes away the cardboard reciprocating motion, pushes away one of the every motion of cardboard and releases the undermost a piece of paper of pile by the corrugated board trailing edge and enter follow-up unit back and forth, plays the formula paper feeding after therefore often being called again.This mode paper feeding precision can satisfy the common customer requirement, and its shortcoming is that the push pedal movement velocity can not be too high, and can't push for the corrugated paper of warpage.3) leading edge formula paper feeding, namely the corrugated board leading edge is alignd with pressing board, and the corrugated board leading edge is drawn into follow-up unit under feed roller drives.This mode paper feeding precision height, generally at ± 0.5mm, and paper feeding speed is fast, is high-end printing production line accepted standard paper feeding mode in the market.
The front edge paper feed mode of corrugated paper production line, be to be proposed by U.S. sun Automation Co., Ltd the earliest, but because its complex structure, the manufacturing cost height, market price costliness, so domestic some corrugated cases machinery factory is according to the paper feeding characteristics of front edge paper feed, independent research the front edge paper feed device of corrugated paper.The front edge paper feed device mainly comprises compositions such as workbench, air intake device, driving mechanism and elevating mechanism.Be equipped with paper feeding rubber tire group (or belt) in the workbench, corrugated paper overlays above the rubber tire group.The workbench below is arranged side by side a plurality of inlet scoops that link to each other by pipeline with blower fan, and the orientation of a plurality of inlet scoops makes the place, inlet scoop produce negative pressure by blower fan like this, and then can hold cardboard perpendicular to the paper feeding direction of cardboard.For the wearing and tearing that reduce the paper feeding rubber tire with avoid corrugated board destroyed, the front edge paper feed device must be furnished with driving mechanism and platform lifting mechanism.The effect of driving mechanism is to drive the rubber tire group to do intermittent movement, being divided into mechanical type drives and driven by servomotor: driven by servomotor is set and is adjusted easily, actuation mechanism, the crank connecting link driving mechanism, partial gear driving mechanism etc., wherein drive precision the highest be intermittent cam mechanism, realize precise motion by accurate cam contour surface, it also is the mechanism that U.S. Sun Company, Inc. adopts, but because the design complexity of cam contour surface, traditional camming movement law curve can not guarantee the paper feeding precision, and difficulty of processing is bigger, must rely on and regulate mismachining tolerance and the alignment error that eccentric bushing reduces centre-to-centre spacing, so the general complete import of high-precision cam drive mechanism.Elevating mechanism is to lift workbench for the wearing and tearing that reduce the paper feeding rubber tire, but the design of most elevating mechanism is flexible inadequately, lifts the time and lifts apart from adjusting, and gives to install and use and has brought a lot of inconvenience.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, in conjunction with for many years to research and the front edge paper feed production experience of interrupted division cam mechanism, for cardboard box mechanical manufacturing enterprise provides a kind of novel front edge paper feed device, its paper feeding precision is higher, operating rate is very fast, not fragile cardboard, the service life that can also improve the paper feeding rubber tire greatly.
In order to realize above-mentioned purpose, novel front edge paper feed device of the present invention is the same with prior art, comprises paper feeding platform, air intake device, driving mechanism, elevating mechanism four parts, but has adopted following technical scheme:
Described driving mechanism is the combined mechanism of parallel graduated cam transmission mechanism and gear drive, and be assemblied in drive case, drive case is fixed on the paper feed part framed side wallboard, the power shaft of driving box passes framed side wallboard by the bearing supporting, and the outer axle head of power shaft framed side wallboard is connected by swelling cover (or key) and gear, and the power of paper feed part master motor is given driving box by this gear transmission.In the described combination driving box, parallel graduated cam is connected on the driving box power shaft, an index dial assembly that is assembling two row cylinder roller driven members is connected on the middle dividing spindle of driving box, the a certain circular disc of index dial is bigger than other two disk diameters, and this big diameter disc sheet outer rim is processed into initiatively gear wheel, thereby index dial and gear are integrated.In drive case, be equipped with two output shafts near above the casing, an identical driven pinion is being connected on each output shaft, these two driven pinions mesh with the active gear wheel simultaneously, select the linear velocity coupling of the suitable active gear wheel number of teeth and driven pinion number of teeth assurance paper feeding speed and back print roller, die cutting roller.
The casing of paper feeding platform below forms air-suction trunk, and the top grid of air-suction trunk is provided with a lot of elongated slot windows, is fixed with the also grid panel of belt length groove window above the grid; Offer the inlet scoop that can be connected with the blower fan aspiration channel on the base plate of air-suction trunk, and can adjust the size of inlet scoop by manual or electronic push-and-pull throttle.
Three or four paper feeding wheel shafts are installed in the paper feeding platform, a lot of paper feeding rubber tires are fixedly arranged at the elongated slot window place of grid and grid panel on the every wheel shaft, all paper feeding rubber tire tops are a little more than the height of grid panel, and under the effect of air-suction trunk wind-force with corrugated board tightly is adsorbed on the grid panel.Intermittently two output shafts of driving box yielding coupling outside casing links to each other with separately an end of two paper feeding wheel shafts in the workbench respectively, the other end of these two paper feeding wheel shafts fixedly has wheel axle gear by swelling cover (or key), each wheel axle gear passes motion to the wheel axle gear that is connected in adjacent paper feeding axle stub by the idle wheel of below, the structure of the wheel axle gear of all paper feeding axle stub is in full accord, thereby realizes the intermittently rotation synchronously of all paper feeding wheel shafts.
Described parallel graduated cam adopts two cams to realize the one divisions motion, and two parallel graduated cams are one-piece parts, thereby can avoid mismachining tolerance and the rigging error of separate type cam bit.Novel correction constant velocity motion curve of the present invention has been adopted in the wide face design of described parallel graduated cam, the maximum nondimensional acceleration value of this characteristics of motion curve is 5.8, maximum non-dimensional acceleration value 8.0 much smaller than tradition correction constant velocity motion curve more is applicable to the high speed printing production line.
Elevating mechanism comprises that oscillating cam assembly and many armed levers form, and the oscillating cam assembly is connected in intermittently by the swelling cover that driving box is positioned on the axle head of framed side wallboard power shaft.Intermittently the driving box side is also fixedly mounting a fixed axis, and the round-meshed elevation angle of middle processing is assemblied on the fixed axis by the bearing supporting; One end at the elevation angle holds with cam follower shaft and links to each other, and simultaneously, this elevation angle end also is provided with a spring, and spring is fixedly connected on the spring support by screw, and the wide face of cam follower shaft bearing outer-ring and oscillating cam assembly fits together constantly under the effect of spring external force.The elevation angle other end links to each other with spherical plain bearing rod end by bearing pin, spherical plain bearing rod end overlaps an end by being threaded with adjustment, the other end of adjustment cover and another spherical plain bearing rod end are by being threaded, and such two spherical plain bearing rod ends and adjustment are overlapped and formed a length-adjustable connecting rod.Be equipped with one in the air-suction trunk and lift axle, lift that axle is outer to stretch out air-suction trunk, and lift that an axle head connects by pin and push rod one end is connected, the push rod other end is connected with spherical plain bearing rod end by bearing pin.In air-suction trunk, lift axle a plurality of driving swing arms are installed, each drives swing arm and holds in the groove that is bearing on the slide block by cam follower shaft, be fixed with long connecting rod in the slide block, the two ends of long connecting rod all are connected with right angle connecting rod one end by bearing pin, place, connecting rod right angle, right angle is connected on the side plate of air-suction trunk by central pin shaft, the other end of right angle connecting rod is connected with the grid rest pad by bearing pin, and fixed bearing grid above the rest pad.Another axle head that lifts axle connects the limited block that is being connected by pin, and cylinder is fixed on the workbench side plate by cylinder block, and piston rod and limited block contacts side surfaces in the cylinder have also been fixed a length-adjustable spacing screw rod on the cylinder block simultaneously.
Described oscillating cam assembly is made up of the two disc cam sheets that wide face equates fully, be processed with two sections annular grooves on the one disc cam sheet side, another oscillating cam sheet side is processed with a plurality of screwed holes, the relative position of two oscillating cam sheets can be regulated, and is adjusted to can connect by screw behind the correct position two oscillating cam sheets are fixed together.
Be processed with a plurality of screwed holes on the described spring support, one of them screwed hole is connected with screw, and spring is connected on this screw.When the tensile force of spring diminishes, screw can be moved on to the adjacent distal end screwed hole from the original thread hole, increase the tensile elongation of spring, guarantee that the tensile force of spring is enough big.
Described adjustment cover is processed with screwed hole, and wherein a sector hole is left-handed, and another sector hole is dextrorotation, and one of two spherical plain bearing rod end end thread that link to each other with the adjustment cover are left-handed, one is dextrorotation, and such two spherical plain bearing rod ends have been formed length-adjustable connecting rod with the adjustment cover.
The invention has the beneficial effects as follows: parallel graduated cam adopts two monoblock types, having broken through the one division motion on the one hand will be by the transmission mode of three cam bits drivings, compact conformation, the unitary cam sheet is easy to guarantee machining accuracy on the other hand, directly assembling just can guarantee the installation accuracy of power shaft and dividing spindle centre-to-centre spacing, thereby has replaced the complicated approach of adjusting centre-to-centre spacing by eccentric bushing; Adopt the cam contour surface of novel correction constant velocity motion design when it runs up, have less maximum acceleration value, can effectively reduce the wearing and tearing of cam contour surface and the vibration of index dial, thereby guarantee the paper feeding precision; Intermittently driving box is integrated in one index dial and driving gear, makes structure compacter, has lowered material and processing charges significantly.Be provided with the soft readjustment link in the elevating mechanism, can adjust lifting distance and lifting the time of grid panel flexibly, easy to operate, can reduce the wearing and tearing of paper feeding rubber tire to greatest extent.
Description of drawings
Fig. 1 is the structural representation after the novel front edge paper feed device of the corrugated case production line of the present invention confined explosion.
Fig. 2 looks schematic diagram for the workbench part right side among Fig. 1.
Fig. 3 removes the structural representation of right side expansion tightening wheel for another embodiment of Fig. 2.
Fig. 4 is driving box internal structure schematic diagram at intermittence.
Fig. 5 is the assembling schematic diagram of Fig. 1 discontinuous driving box and the outer elevating mechanism of air-suction trunk.
Fig. 6 is the structural representation of the outer elevating mechanism of air-suction trunk.
Fig. 7 is the structural representation of oscillating cam assembly.
Fig. 8 is the structural representation of the interior elevating mechanism of air-suction trunk and air intake device.
Fig. 9 is for removing A-A cross-sectional schematic behind paper feeding wheel shaft, grid and the grid panel among Fig. 8.
The specific embodiment
In order further to explain technical scheme of the present invention, the present invention will be described in detail below by specific embodiment.
The novel front edge paper feed device of corrugated case production line, comprise workbench, air intake device, the elevating mechanism of driving box, workbench intermittently, wherein workbench and air intake device and existing front edge paper feed device are basic identical, its structure is not described in detail at this, below only its operation principle is described.
Referring to Fig. 1 and Fig. 2, workbench comprises grid 1, grid panel 2, paper feeding wheel shaft I 3, paper feeding wheel shaft II 4, paper feeding wheel shaft III5, paper feeding wheel shaft IV6, paper feeding rubber tire group 7, wheel axle gear I 8, wheel axle gear II 9, wheel axle gear III10, wheel axle gear IV11, idle wheel I 12, idle wheel II 13, cant board I 53, middle riser 54, cant board II55.Grid 1 and grid panel 2 all are processed with the elongated slot window, and grid panel 2 is connected in above the grid 1, and the assembling of elongated slot window consistency from top to bottom.All paper feeding wheel shafts all pass cant board I 53, middle riser 54, cant board II 55 by the bearing supporting, all paper feeding rubber tires 7 of workbench all are connected on the paper feeding wheel shaft, the axial location of each paper feeding rubber tire all is positioned at the elongated slot window of grid 1 and grid panel 2, and during paper feeding the top of paper feeding rubber tire 7 a little more than the upper surface of grid panel 2.Paper feeding wheel shaft I 3 gives wheel axle gear II 9 with transmission of power and drives paper feeding wheel shaft II 4 rotations by wheel axle gear I 8 and idle wheel I 12, and paper feeding wheel shaft III5 gives transmission of power wheel axle gear IV11 and drives paper feeding wheel shaft IV6 by wheel axle gear III10 and idle wheel II 13 and rotates synchronously.
Workbench can arrange described four paper feeding wheel shafts as embodiment, namely adopts four dispatch paper rubber tires, is applicable to the situation that the corrugated board width is bigger; Three paper feeding wheel shafts also can be set, namely adopt three dispatch paper rubber tires, be applicable to the situation that the corrugated board width is little.
The feed roller shaft end can the assembly wheel shaft gear and idle wheel come transferring power, the form transferring power that also can adopt the wheel shaft synchronous pulley and be with synchronously, embodiment is referring to shown in Figure 3, every feed roller shaft end is equipped with wheel shaft synchronous pulley 14, be equipped with on the wheel shaft synchronous pulley and be with 15 synchronously, in order to keep the expanding force of band synchronously, the middle below of two synchronous pulleys is provided with tensioner wheel seat 16 and expansion tightening wheel 17.Be processed with two grooves on the tensioner wheel seat 16, be fastened on the workbench cant board II 55 by screw.To the position of adjusted expansion tightening wheel seat 16, can increase synchronously the expanding force with 15.
Referring to Fig. 1 and shown in Figure 8, air intake device comprises air-suction trunk assembly 18, air intake pipe box 19, chute liner 20 and air door 21, air-suction trunk 18 is positioned at the below of workbench, have wind inlet on the bottom sealing plate 62 of air-suction trunk 18, air intake pipe box 19 is connected in wind inlet place corresponding on the bottom sealing plate 62 with chute liner 20 by screw, and air intake pipe box 19 links to each other with the blower fan (not shown); Chute liner 20 is positioned in the middle of air intake pipe box 19 end faces and the bottom sealing plate 62 and forms a chute, and air door 21 inserts in the chutes can manual or electronic push-and-pull, and when needs increased wind-force, pulling air door 21 reduced the area that wind inlet is blocked.Corrugated board is deposited on the grid panel 2, owing to offer a plurality of elongated slot windows on grid 1 and the grid panel 2, under the wind-force suction function, bottom corrugated paper tightly is adsorbed on the grid panel, and closely contacts with paper feeding rubber tire top so again.When all paper feeding wheel shafts rotate synchronously, the force of rolling friction very big with corrugated paper generation during paper feeding rubber tire 7 rotation will drive corrugated paper and be fed forward.
Referring to Fig. 4 and shown in Figure 5, intermittently be equipped with index dial 25, roller assembly 26, output shaft I 27, output shaft II 28, driven pinion I 29, the driven pinion II30 of power shaft 22, parallel graduated cam 23, dividing spindle 24, band gear wheel in the driving box casing 61.Intermittently driving box casing 61 is installed on wallboard 31 medial surfaces of printing production line, power shaft 22 is fixed together with power gear 32 outside wallboard 31, the power of printing production line master motor passes to power gear 32 by the gear engagement, thereby gives the intermittently power shaft 22 of driving box with transmission of power.Parallel graduated cam 23 comprises two cams, and two cams are processing all-in-one-pieces, does not need assembling.When parallel graduated cam 23 turned over a traverse angle θ with power shaft 22, the special-shaped curved section of two cam bits and 26 engagements of the roller on the index dial 25 made index dial 25 turn over a corresponding minute of angle τ; When parallel graduated cam 23 turns over a 360-θ, roller 26 engagements in the arc section of two cam bits and the index dial 25, index dial 25 transfixions.τ is the function of θ, and namely novel correction constant velocity motion function of the present invention can be converted into dimensionless functional form S (T).Index dial 25 comprises three processing all-in-one-piece disks, and the diameter of a disk in the outside is greater than two other disk diameter.Large diameter disk outer rim is processed into the canine tooth wheel disc, meshes simultaneously with driven pinion I 29 on the output shaft I 27 and the driven pinion II 30 on the output shaft II 28, speed ratio is i.Intermittently the output shaft I 27 of driving box links to each other by shaft coupling with paper feeding wheel shaft III5 in the workbench, output shaft II 28 and paper feeding wheel shaft I 3 link to each other by shaft coupling, like this, the power shaft 22 of gap drive mechanism at the uniform velocity revolves and turns around, and output shaft I 27, output shaft II 28, paper feeding wheel shaft I 3, paper feeding wheel shaft II 4, paper feeding wheel shaft III5, paper feeding wheel shaft IV6 also drive all paper feeding rubber tires 7 and intermittently rotate the i circle simultaneously.The selection of gear wheel and driven pinion speed ratio i will guarantee that the power shaft 22 of intermittent drive mechanism at the uniform velocity revolves in the process of turning around, and the leading edge of a corrugated board is delivered to position above upper and lower feeding-in roll (not shown) axis one segment distance in the production line.Therefore, when choosing traverse angle θ, to guarantee that also the paper feeding distance of paper feeding rubber tire surpasses feeding-in roll axis one segment distance.
The interior output shaft I 27 of described drive case at intermittence also can be processed into one with driven pinion I 29, output shaft I 28 with driven pinion II 30, namely is designed to driven pinion shaft.
The nondimensional displacement S (T) of described novel correction constant velocity motion, speed V (T) and acceleration A (T) all adopt B batten expression-form:
T is nondimensional time in the formula, d
iBe the control vertex vector of B-spline curves, N
I, k(T) be the B spline base function, according to the known boundaries condition of constant velocity motion: during T=0, S=0, V=0, A=0; During T=1, S=1, V=0, A=0 obtains the part control vertex.Being variable to remain unknown control vertex then, is that object function is optimized with maximum non-dimensional acceleration value minimum, tries to achieve the control vertex vector, thereby obtains final novel correction constant velocity motion curve.
Referring to Fig. 1-Fig. 2, Fig. 5-shown in Figure 9, the elevating mechanism of workbench include oscillating cam assembly 33, the elevation angle 34, cam follower shaft hold I35, fixed axis 36, go up spherical plain bearing rod end 37, down spherical plain bearing rod end 38, adjust cover 39, push rod 40, workbench and lift axle 41, drive swing arm 42, slide block 43, long connecting rod 44, right angle connecting rod 45, grill bearing piece 46, cylinder 47, cylinder block 48, limited block 49, spring 50, spring support 51.The power shaft 22 of gap drive case is two-way power shaft, and namely power shaft 22 1 ends are connected with power gear 32 outside wallboard 31, and the other end is by swelling cover and 33 assemblings of oscillating cam assembly.The gap drive case also is provided with an actionless fixed axis 36, and the round-meshed elevation angle 34 of middle processing is assemblied on the fixed axis 36 by the bearing supporting; One end and the cam follower shaft at the elevation angle 34 hold I35 and link to each other, simultaneously, this elevation angle end also is provided with a spring 50, and spring 50 is fixedly connected on the spring support 51 by screw, the cam contour surface that cam follower shaft holds I35 outer ring and oscillating cam assembly 33 under the effect of spring external force fits together constantly, the elevation angle 34 other ends link to each other with following spherical plain bearing rod end 38 by bearing pin, following spherical plain bearing rod end 38 overlaps 39 1 ends by being threaded with adjustment, and the other end of adjustment cover 39 and last spherical plain bearing rod end 37 are by being threaded.Be equipped with a workbench in the air-suction trunk 18 and lift axle 41, lift the axle 41 outer air-suction trunks 18 that stretch out, and lifting axle 41 axle heads is connected by pin connection and push rod 40 1 ends, push rod 40 other ends are connected with last spherical plain bearing rod end 37 by bearing pin, and another axle head that lifts axle 41 also stretches out air-suction trunk outward and connects the limited block 49 that is being connected by pin.Referring to shown in Figure 9, in air-suction trunk 18, lift axle 41 a plurality of driving swing arms 42 are installed, each drives swing arm 42 and holds II52 by cam follower shaft and be bearing in the groove on the slide block 43, connect locking by screw in the slide block 43 long connecting rod 44 is arranged, the two ends of long connecting rod 44 all are connected with right angle connecting rod 45 1 ends by bearing pin, place, right angle connecting rod 45 right angle is connected in the cant board I 53 of air-suction trunk 18 by central pin shaft, middle riser 54, on the cant board II55, the other end of right angle connecting rod 45 is connected with grid rest pad 46 by bearing pin, and fixed bearing grid 1 above the rest pad 46.Referring to shown in Figure 2, cylinder 47 is fixed on the workbench side plate 59 by cylinder block 48, and piston rod and limited block 49 contacts side surfaces in the cylinder 47 also are equipped with spacing screw rod 56 on the cylinder block 48 simultaneously by being threaded.
Intermittently the power shaft 22 of driving box drives oscillating cam assembly 33 continuously and smoothlies rotation, referring to shown in Figure 7, the wide bread of oscillating cam contains two sections unequal arc surfaces of diameter, when the wide face of oscillating cam is become cam follower shaft that large diameter circular arc face and the elevation angle 34 be connected and held the I35 applying by the minor diameter arc surface, an angle will be rotated in the elevation angle 34.The rotation at the elevation angle 34 by following spherical plain bearing rod end 39, adjust cover 38, go up spherical plain bearing rod end 37, drives push rod 40, lifts axle 41 swing simultaneously.Lift axle 41 swing and on the axle 41 all are lifted in drive driven swing arms 42 and swing an equal angular simultaneously, and will drive slide block 43 translations.Long connecting rod 44, right angle connecting rod 45, grill bearing piece 46, grid 1 qualifying Grid screen 2 are formed parallelogram linkage, slide block 43 translations drive long connecting rod 44 translations, to promote grid 1 and 2 rises of grid panel by parallelogram linkage, the corrugated paper and all the paper feeding rubber tires 7 that are placed on this moment above the grid panel 2 break away from, and stop paper feeding.Equally, when the wide face of oscillating cam is become the minor diameter arc surface and is held the I35 applying with cam follower shaft by the large diameter circular arc face, grid 1 and grid panel 2 will be fallen, the corrugated paper that is placed on above the grid panel 2 contacts with paper feeding rubber tire 7, the rotation of paper feeding rubber tire 7, under the frictional force effect, corrugated board is sent to the paper feed unit of back.Intermittently the power shaft 22 of driving box whenever turns around, and grid 1 and grid panel 2 are finished a lifting, and send a piece of paper plate to paper feed unit, realize continuous paper feeding.When cylinder 47 is done the time spent, its piston rod promotes limited block 49 and drives to lift axle 41 rotation simultaneously, that lifts that axle 41 rotational angle is larger than that oscillating cam large diameter circular arc face produces this moment lifts axle 41 rotational angles, the cam follower shaft at the elevation angle 34 holds I35 and breaks away from the wide face of oscillating cam, oscillating cam assembly 33 is ineffective, grid 1 and grid panel 2 keep lifting under the effect of rest pad 46, corrugated board keeps not contacting with paper feeding rubber tire 7, cardboard can not be sent follow-up unit to, thereby realize being applicable to the cardboard that width is bigger every opening paper feeding.Spacing screw rod 56 is assemblied in the screwed hole of cylinder block 48, and end arranges the side that a rubber sleeve 60 withstands limited block 49, and it is not contacted with the piston rod of cylinder 47, thus protection cylinder 47.
Before grid 1 and grid panel 2 lift, must guarantee that paper feeding rubber tire 7 at the uniform velocity rotates synchronously with feeding-in roll, and guarantee that corrugated board has has met and exceeded feeding-in roll axis one segment distance.Referring to shown in Figure 7, oscillating cam assembly 33 is connected and fixed by screw by disc cam sheet I57 and disc cam sheet II58, the external profile surface of disc cam sheet I57 and disc cam sheet II58 is identical, but disc cam sheet I57 is processed with seam and screwed hole, disc cam sheet II58 is processed with through hole and an annular groove, and the through hole of disc cam sheet II58 is sleeved on the seam of disc cam sheet I57.Rotate arbitrary disc cam sheet, change the relative position of two cam bits, passing annular groove by two screws then is screwed in the screwed hole on the disc cam sheet I57, disc cam sheet I57 and disc cam sheet II58 are fixed together, the central angle of the large diameter circular arc face of oscillating cam assembly 33 will be greater than the large diameter circular arc face of disc cam sheet I57 or disc cam sheet II58 at this moment, postpone lifting the time of grid panel 2 and corrugated board like this, increased the paper feeding distance.
When grid panel 2 lifts, must guarantee that corrugated board breaks away from paper feeding rubber tire group 7, stops paper feeding.During design oscillating cam assembly 33, increase the diameter design difference of large diameter circular arc and minor diameter circular arc, the rotational angle that can make push rod 40 and workbench lift axle 41 becomes big, thereby improves the raising height of grid panel 2 and corrugated board.
It is positive six prisms that 39 outer surfaces are overlapped in described adjustment, the inside is processed with screwed hole, and wherein a sector hole is left-handed, and another sector hole is dextrorotation, overlapping the 39 last spherical plain bearing rod ends that link to each other 37 with adjustment is left-handed with one of following spherical plain bearing rod end 38 end thread, and one is dextrorotation.Adjust cover 39 by the spanner rotation, the length of connecting rods that spherical plain bearing rod end 37, following spherical plain bearing rod end 38, adjustment cover 39 are formed in the change, further change the rotational angle that push rod 40 and workbench lift axle 41, this mode is the raising height of soft readjustment grid panel 2 finally.
Claims (4)
1. novel front edge paper feed device of corrugated case production line, comprise paper feeding workbench, air intake device, driving mechanism and platform lifting mechanism, it is characterized in that: driving mechanism is the combined mechanism of parallel graduated cam transmission mechanism and gear drive, and be assemblied in the drive case, drive case is fixed on the production line wallboard, and driving box is provided with two-way power shaft; Be made up of oscillating cam assembly and many armed levers in the platform lifting mechanism, described oscillating cam assembly is connected on the power shaft of driving box.
2. the novel front edge paper feed device of corrugated case production line according to claim 1 is characterized in that parallel graduated cam is two-piece type in the parallel graduated cam transmission mechanism, and two index cam sheets are one-piece parts; A certain disk diameter is bigger than other two disk diameters in the index dial, and this big diameter disc outer rim is processed into gear wheel.
3. the novel front edge paper feed device of corrugated case production line according to claim 1, it is characterized in that the oscillating cam assembly in the platform lifting mechanism comprises the identical disc cam sheet of two outer surfaces, two disc cam sheets are fixed together, but the relative fixed position can be regulated.
4. the novel front edge paper feed device of corrugated case production line according to claim 1, but it is characterized in that being provided with in the many armed levers of platform lifting mechanism the link assembly of a length soft readjustment, comprise two spherical plain bearing rod ends and an adjustment cover, adjust cover and be processed with screwed hole, and wherein a sector hole is left-handed, another sector hole is dextrorotation, and one of two spherical plain bearing rod end end thread that link to each other with the adjustment cover are left-handed, and one is dextrorotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210255868.7A CN103252919B (en) | 2012-07-24 | 2012-07-24 | Novel front edge paper feeding device for corrugated case production line |
Applications Claiming Priority (1)
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| CN201210255868.7A CN103252919B (en) | 2012-07-24 | 2012-07-24 | Novel front edge paper feeding device for corrugated case production line |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016111A (en) * | 2014-05-29 | 2014-09-03 | 芜湖市鸿业水泥制品有限公司 | Splice type cement tile hold-down device |
| CN106413983A (en) * | 2014-06-04 | 2017-02-15 | 德马吉森精机株式会社 | Workpiece lifting device |
| CN107472942A (en) * | 2017-08-31 | 2017-12-15 | 广东东方精工科技股份有限公司 | A kind of paper feeder |
| CN107755479A (en) * | 2017-11-16 | 2018-03-06 | 安徽德系重工科技有限公司 | A kind of split type four-roller ripple veneer reeling machine |
| CN108568988A (en) * | 2018-03-26 | 2018-09-25 | 广东铭威精工机械有限公司 | Upper print vacuum suction printing slotting die-cutting machine |
| CN109368309A (en) * | 2018-10-12 | 2019-02-22 | 广东东方精工科技股份有限公司 | A kind of front edge paper feed platform of gear driving |
| CN109399261A (en) * | 2018-10-12 | 2019-03-01 | 广东东方精工科技股份有限公司 | A kind of cam driving gear and front edge paper feed platform |
| CN109502380A (en) * | 2018-10-12 | 2019-03-22 | 广东东方精工科技股份有限公司 | A kind of front edge paper feed platform of synchronous belt and gear driving |
| CN111634716A (en) * | 2020-06-08 | 2020-09-08 | 长兴县泗安民丰彩印厂 | Facial tissue location conveying mechanism and use cardboard equipment complex of this mechanism |
| CN111703112A (en) * | 2020-05-06 | 2020-09-25 | 河北新光纸箱机械制造有限公司 | Wind pressure paper feeding transmission mechanism for corrugated case |
| CN113335959A (en) * | 2021-06-11 | 2021-09-03 | 佛山市宝盛印刷机械制造有限公司 | Automatic paper feeding stroke adjusting device and method for front edge paper feeding equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109693956A (en) * | 2018-05-22 | 2019-04-30 | 郭福明 | A kind of Paper-pasting machine paper advance mechanism |
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| JPH07315600A (en) * | 1994-05-25 | 1995-12-05 | Shinko Kikai Seisakusho:Kk | Sheet feeding device in sheet forming machine |
| CN201427809Y (en) * | 2009-03-11 | 2010-03-24 | 佛山市南海东方纸箱机械实业有限公司 | Paper-feeding table plate lifting servo driving mechanism of carton printing, groove opening and die-cutting machine |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016111A (en) * | 2014-05-29 | 2014-09-03 | 芜湖市鸿业水泥制品有限公司 | Splice type cement tile hold-down device |
| CN106413983A (en) * | 2014-06-04 | 2017-02-15 | 德马吉森精机株式会社 | Workpiece lifting device |
| CN106413983B (en) * | 2014-06-04 | 2018-07-17 | 德马吉森精机株式会社 | Workpiece lifting device |
| CN107472942A (en) * | 2017-08-31 | 2017-12-15 | 广东东方精工科技股份有限公司 | A kind of paper feeder |
| CN107755479B (en) * | 2017-11-16 | 2023-07-25 | 安徽德系重工科技有限公司 | Split four-roller corrugated plate bending machine |
| CN107755479A (en) * | 2017-11-16 | 2018-03-06 | 安徽德系重工科技有限公司 | A kind of split type four-roller ripple veneer reeling machine |
| CN108568988A (en) * | 2018-03-26 | 2018-09-25 | 广东铭威精工机械有限公司 | Upper print vacuum suction printing slotting die-cutting machine |
| CN109368309A (en) * | 2018-10-12 | 2019-02-22 | 广东东方精工科技股份有限公司 | A kind of front edge paper feed platform of gear driving |
| CN109502380A (en) * | 2018-10-12 | 2019-03-22 | 广东东方精工科技股份有限公司 | A kind of front edge paper feed platform of synchronous belt and gear driving |
| CN109399261A (en) * | 2018-10-12 | 2019-03-01 | 广东东方精工科技股份有限公司 | A kind of cam driving gear and front edge paper feed platform |
| CN111703112A (en) * | 2020-05-06 | 2020-09-25 | 河北新光纸箱机械制造有限公司 | Wind pressure paper feeding transmission mechanism for corrugated case |
| CN111634716A (en) * | 2020-06-08 | 2020-09-08 | 长兴县泗安民丰彩印厂 | Facial tissue location conveying mechanism and use cardboard equipment complex of this mechanism |
| CN113335959A (en) * | 2021-06-11 | 2021-09-03 | 佛山市宝盛印刷机械制造有限公司 | Automatic paper feeding stroke adjusting device and method for front edge paper feeding equipment |
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