The shaftless version roller transmission jacking mechanism of intaglio press
Technical field
The utility model relates to a kind of transmission jacking mechanism of shaftless version roller of intaglio press transmission mechanism, particularly intaglio press.
Background technology
The transmission mechanism that existing intaglio press does not have axle version roller is: two of version roller adopts vertex of a cone head to support; Wherein end top is by reduction box and a cylinder pushing transmission; The top, other end adopts the handwheel screw mandrel to promote version roller and other end cylinder thrust are clamped, and the gravure roll lateral adjustments adopts the handwheel rotational positioning.Because of every printing machine has the combination of many group printing units, there are 2 above power motor transmission different-diameter version rollers to be coated with in common a plurality of units and print; Specifically pass on each printing unit gear-box by the motor-driven connecting shaft and through each Dan Lianchuan clutch.Because of having 2 above driving motors to adopt clutch to carry out patrilineal line of descent with only one son in each generation and connecting the ability of passing on Gong, be called for short the Dan Lianchuan clutch on the connecting shaft.Existing Dan Lianchuan clutch also from the floor stand fixed delivery to connecting shaft.The defective of this kind mode is that 1. aforementioned artificial hand wheel operation speed are slower, away from sight line, and receives operating personnel's technical merit and thought mood interference easily, and then causes the horizontal register trouble of edition roller, influences printing quality.2. aforementioned driving motor and Dan Lianchuan clutch all pass through the floor stand fixed delivery to connecting shaft, fixedly are difficult for reaching a center precision because of this, and then produce and transmit fluctuation, can influence printing effect, and can reduce parts service life.
Summary of the invention
The utility model technical problem to be solved is the deficiency that overcomes above-mentioned prior art, and a kind of improvement of shaftless version roller transmission jacking mechanism is provided, and this mechanism should have transmission accuracy height, characteristics stable, easy to adjust.
The technical scheme that the utility model adopts is: the shaftless version roller transmission jacking mechanism of intaglio press; Comprise be horizontally set on rotationally the left side on the wallboard pair top axle and be arranged on secondary top axle right-hand member and be used for the pair top that roof pressure supports version roller left end, be horizontally set on the main top axle on the wallboard of frame right side rotationally and be arranged on main top axle left end and be used for the main top that roof pressure supports version roller right-hand member; Said secondary top axle is in same axis with main top axle; It is characterized in that said main top axle receives the thrust that the rotating torque that applied by a driving mechanism and its right-hand member receive the direction left that a cylinder applies; Described secondary top axle receives the axis thrust that applies of a lateral cylinder the version roller is clamped and implements the lateral adjustments transmission.
Described cylinder is positioned at the right side of main top axle, and the top of cylinder rod applies roof pressure power left through an anti-rotation structure to the main right-hand member that comes directly towards axle.
Described anti-rotation structure comprises that being arranged on main the top on the axle bed and with the master comes directly towards the parallel chute of axle, is rotatably positioned the adapter sleeve of the right-hand member in the top and the stop pin that on adapter sleeve, stretches out and insert slidably said chute outward through bearing.
Said driving mechanism comprises the Dan Lianchuan clutch on plurality of teeth roller box group, connecting shaft and the connecting shaft that transmits drive motor drives power.
Said lateral adjustment comprises being rotatably positioned at pair top axle to be carried out a flexible screw mandrel that screw thread rotation cooperates, drives the gear train of this flexible screw mandrel and be fixed on the driving motor that drives this gear train on the support of secondary top.
The operation principle of the utility model is: the driving force that the axle that is in transmission connection applies the Dan Lianchuan clutch, be passed to main top axle through plurality of teeth wheels high accuracy, and make edition roller 23 carry out stable rotation according to the speed of confirming, produce to realize the high-quality registration printing.Stepper motor in the lateral adjustment can drive flexible screw mandrel is rotated, and then forces the axis direction of secondary top axle to move, realized the version roller laterally (about) to flower chromatography regulate.Cylinder starts the main top of then promotion and axially moves left, and makes edition roller carry out a no gap and rotates.
The beneficial effect of the utility model is: owing to adopted the lateral adjustment of driven by motor, make clamping version roller, chromatography operation and power transmission clutch simple more, convenient; And the critical piece that is adopted and self-contained bearing taken into full account precision, rigidity and intensity, guaranteed printing quality; In addition, this mechanism can realize the arbitrary combination of plurality of specifications, a plurality of units, significantly improves production efficiency and service life.
Description of drawings
Fig. 1 is the main TV structure sketch map of the utility model.
Fig. 2 is that A-A among Fig. 1 is to structural representation.
Fig. 3 is another embodiment (manual adjustment means) structural representation of lateral adjustment.
Fig. 4 is the B portion structure for amplifying sketch map among Fig. 1.
Fig. 5 is the C portion structure for amplifying sketch map among Fig. 1.
The specific embodiment
As shown in the figure: in the shaftless version roller transmission jacking mechanism of intaglio press, secondary top axle 5 is arranged on the wallboard of frame left side, and the axle right-hand member fixed installation of secondary top is used for the pair top 7 that roof pressure supports version roller 23 left ends; Main top axle 11 is arranged on the wallboard of frame right side together with uni-drive gear box, and main top axle left end has fixedly mounted and has been used for the pair top 9 that roof pressure supports version roller right-hand member; Said secondary top axle is in same axis with main top axle.These structures are all identical with existing version roller transmission mechanism.
The improvement of the utility model is: main top axle applies the thrust of direction left by a driving mechanism and a cylinder; Said driving mechanism is be in transmission connection axle and the Dan Lianchuan clutch that carries out transmission of power through the plurality of teeth wheels.Can know among Fig. 1, Fig. 2: some driving torques of being transmitted by Dan Lianchuan clutch (view omission) are passed to synchronous pulley 21 fixing on the gearbox drive connecting axle, through a pair of bevel gear transmission minor axis 14, gear train 30, splined shaft 13, gear 27 and gear 15 rotating torque are passed to main top axle 11 successively again behind the axle 24 that is in transmission connection through synchronous band; In addition, the motion of clutch cylinder 17 can promote gear 27 through shift fork 20 and on splined shaft 13, slide, and realizes transmitting or cutting off the purpose of rotating torque transmission.Described cylinder 18 is positioned at the right side of main top axle, and the top of cylinder piston rod applies roof pressure power left through an anti-rotation structure to the main right-hand member that comes directly towards axle.In the described anti-rotation structure: chute 10-1 is arranged on the axle bed 10 of main top, and this chute is parallel with main top axle again; Adapter sleeve 16 is rotatably positioned the right-hand member at the top axle through bearing, stretches out a stop pin 16-1 on the adapter sleeve outward, and this stop pin inserts among the chute 10-1, is used to prevent that adapter sleeve from rotating.
Described secondary top axle receives the driving of a lateral adjustment.In this lateral adjustment: flexible screw mandrel 4 is rotatably positioned the left end at pair top axle; The left end of secondary top axle is shaped on and should carries out the screwed hole that screw thread rotation cooperates by flexible screw mandrel, and stepper motor 2 drives aforementioned flexible screw mandrel through gear train (can know among the figure and fix the gear wheel 1 that cooperates with motor output gear on the rim 1-1 outer circumference surface); As another embodiment (shown in Figure 3), (replaced stepper motor 2 and gear wheel 1) to spending handwheel 8 to be fixed on the rim 1-1 outer circumference surface, be convenient to operating personnel's manual adjustment.
An also fixing rotation-preventing mechanism on the axle of secondary top.In this rotation-preventing mechanism: be provided with a sliding tray 6-1 on the axle bed 6 of secondary top, this sliding tray is parallel with pair top axle again; Centring sleeve 3 is rotatably assorted through inner hole thread and said flexible screw mandrel, stretches out a centering slide bar 3-1 outward from centring sleeve, and this centering slide bar inserts in the said sliding tray again slidably; Said centring sleeve also is rotatably positioned the left end of the axle 5 in the pair top through bearing.
In addition, what still need explanation is that above-described is the transmission mechanism of a printing unit; The axis normal of axle is in the version roll axis owing to be in transmission connection; Obviously; After several printing unit combinations; Respectively being in transmission connection the axis of axle can be coaxial, and whole printing machine can be set one or more motors through the Dan Lianchuan clutch and different-diameter version roller is set respectively directly is transferred to control printing on the printing unit through synchronous band.
Singly connect the clutch description of use:
Described Dan Lianchuan clutch: general printing machine all has one or more coating functions and a plurality of print nest flower function; So-called coating will be printed the material surface uniform coating exactly or tint; Coating uses the version roller not have the unit requirement of decorative pattern and diameter as reticulate pattern, therefore can be in other flower shape usefulness mutually, cover spends printing plate cylinder common minimum more than two editions; Many persons tens editions, cover flower version roller diameter spends shape to confirm and must spend shape by unified ability alignment because of pressing.Therefore, unified version roller diameter only need a main drive of motor just can when printing; Just need the function of Dan Lianchuan clutch apparatus like need coating and printing or printing coating; On different-diameter version roller unit, adopt the Dan Lianchuan clutch; As break off connect separate electrical motor through line program speed synchronization and main motor realize 1 with a plurality of same line speed, as the printing that not have a coating all is incorporated on the connecting shaft unified drive of motor cover with the Dan Lianchuan clutch and spends and print.