New type forme roller register teaching device
Technical field
The utility model relates to the instructional device that is used to introduce the printing machine principle that uses in a kind of teaching.
Background technology
Printing machine is a kind of precision optical machinery of complexity, and it is all very difficult to understand and grasp its principle of work and structure.In the theory and practice teaching of printing machine, be difficult to expensive production equipment is used as experiment and instructional device, therefore, in the teaching of printing machine principle and structure, training, often be faced with the shortage instruction difficulty that practical instructional device brought, understand problems such as difficult.
The printing cylinder alignment is regulated axial, the circumferential position regulating device that mainly is meant plate cylinder on the printing machine, this plate cylinder alignment regulating device is the important governor motion of printing registration, being the important component part of press printing device, is the important step that guarantees print quality.Yet, because production is good with press printing registration device requirement degree of regulation height, mechanism stable, but range of adjustment is very little, and therefore, axial, the circumferential register regulating device that is installed in the plate cylinder axle head is a principle and all very complicated system of structure, regulated quantity is very limited, be installed between printing machine hood and the wallboard, closure is extremely strong, therefore, want to observe, analyze its course of work, grasp very difficulty of its principle of work.
The utility model content
At the problem of above-mentioned existence, the purpose of this utility model is to provide a kind of and meets that the press structure principle requires, visual strong, floor area is little, the novel plate cylinder alignment of being convenient to operate and test is regulated instructional device.
For achieving the above object, the instructional device that a kind of novel plate cylinder alignment that the utility model provides is regulated comprises: bracing frame, plate cylinder, axial alignment drive unit and circumferential register drive unit, the two ends of plate cylinder are respectively arranged with first and second rotation axis, and first and second rotation axis is installed in plate cylinder on the bracing frame by axial alignment drive unit and circumferential suit drive unit respectively.
Described axial alignment drive unit comprises reduction gear, regulating shaft, first transmission shaft, thread bush and clutch shaft bearing seat, first transmission shaft is rotatable to be installed on the support frame as described above, one end of this first transmission shaft is equipped with the rotation handwheel of rotatable this first transmission shaft, regulating shaft is rotatable to be installed on the support frame as described above, described first transmission shaft links to each other with regulating shaft by reduction gear, the front end of regulating shaft is provided with fine thread, this front end is equipped with the thread bush that matches with fine thread, fix a drum sleeve on this thread bush other end relative with described regulating shaft, drum sleeve can endwisely slip and be installed on the support frame as described above, and described first rotation axis is contained in this drum sleeve by the clutch shaft bearing cover for seat.
Further, the other end relative with described rotation handwheel on described first transmission shaft also is provided with first index dial, and corresponding first pointer that shows the axial displacement of described plate cylinder that also is provided with on support frame as described above.
Further, described reduction gear is a worm and gear.
Further, described circumferential register drive unit comprises: the vertical rotating unit of cylinder, circumferential corner amplifying unit and transversal displacement unit, second rotation axis of described plate cylinder, the vertical rotating unit of cylinder, circumferential corner amplifying unit and transversal displacement unit join successively.
Further, the vertical rotating unit of described cylinder comprises second bearing seat and first gear, described second rotation axis is installed on the support frame as described above by second bearing seat is rotatable, also be provided with between second rotation axis and second bearing seat and be convenient to the axle sleeve that described plate cylinder slides vertically, first gear is arranged on the end of described second rotation axis.
Further, described axial corner amplifying unit comprises second gear and the 3rd gear, this second gear is installed on the support frame as described above by turning axle is rotatable, and be meshed with described first gear, described the 3rd gear is installed on the described turning axle with second gear is coaxial, and the tooth of the 3rd gear is a helical teeth.
Further, described transversal displacement unit comprises the 4th gear, the 3rd bearing seat, the internal thread axle sleeve, fixture, second transmission shaft and driving handwheel, one end of second transmission shaft is coaxial fixing by the 3rd bearing seat and fixture, this fixture is coaxial fixing with the 4th gear, the tooth of the 4th gear is and the suitable helical teeth of the tooth of described the 3rd gear, described the 4th gear is meshed with described the 3rd gear, described internal thread axle sleeve is fixed on the support frame as described above, described second driving sleeve is contained in this female threaded shaft and puts, and also be provided with the external thread that matches with described internal thread on this second transmission shaft, described driving handwheel is installed in the end of the other end of described second transmission shaft.
Further, also be provided with second index dial in the end of described second transmission shaft that described driving handwheel is installed, and corresponding second pointer that shows the circumferential displacement of described plate cylinder that on support frame as described above, also is provided with.
The utility model makes complicated plate cylinder alignment principle show by simple instructional device, not only complete realistic printing cylinder alignment principle, and structurally more meet the teaching needs of printing machine principle, be convenient to observation of students, operation, mounting or dismounting and exploitation and newly test, have better mechanism adjusting function, the visual performance of principle and experiment, put into practice performance.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the left view of Fig. 1.
Embodiment
As shown in Figure 1, 2, the utility model comprises: bracing frame 1, plate cylinder 2, axial alignment drive unit 3 and circumferential register drive unit 4, the two ends of plate cylinder 2 are respectively arranged with first and second rotation axis 5,6, and first and second rotation axis 5,6 is installed in plate cylinder 2 on the bracing frame 1 by axial alignment drive unit 3 and circumferential suit drive unit 4 respectively.
Axially alignment drive unit 3 comprises reduction gear 31, regulating shaft 33, first transmission shaft 32, thread bush 34 and clutch shaft bearing seat 35, first transmission shaft, 32 rotatable being installed on the bracing frame 1, one end of this first transmission shaft 32 is equipped with the rotation handwheel 36 of rotatable this first transmission shaft 32, regulating shaft 33 rotatable being installed on the bracing frame 1, first transmission shaft 32 links to each other with regulating shaft 33 by reduction gear 31, reduction gear 31 is the worm and gear structure, the front end of regulating shaft 33 is provided with fine thread, this front end is equipped with the thread bush 34 that matches with fine thread, fix a drum sleeve 37 on the relative other end of this thread bush 34 and regulating shaft 33, drum sleeve 37 can endwisely slip and be installed on the bracing frame 1, and first transmission shaft 32 is sleeved in this drum sleeve 37 by clutch shaft bearing seat 35; The other end relative with rotating handwheel 36 on first transmission shaft 32 also is provided with first index dial 38, and corresponding first pointer 39 that shows plate cylinder 2 axial displacements that also is provided with on bracing frame 1.
When carrying out axial alignment when regulating, to alignment regulating shaft 33, the thread spindle of regulating shaft 33 front ends is rotated by rotation axis, but can not move axially, drive the thread bush 34 that links together with plate cylinder 2 and move axially, thereby make plate cylinder 2 produce axial displacement, reach axial alignment purpose.
Circumferential register drive unit 4 comprises: the vertical rotating unit 7 of cylinder, circumferential corner amplifying unit 8 and transversal displacement unit 9, second rotation axis 6 of plate cylinder 2, the vertical rotating unit 7 of cylinder, circumferential corner amplifying unit 8 and transversal displacement unit 9 join successively, and be specific as follows:
The vertical rotating unit 7 of cylinder comprises second bearing seat 71 and first gear 72, second rotation axis 6 is by second bearing seat, 71 rotatable being installed on the bracing frame 1, also be provided with between second rotation axis 6 and second bearing seat 71 and be convenient to the end that axle sleeve 73, the first gears 72 that plate cylinder 2 slides vertically are arranged on second rotation axis 6.
Axially corner amplifying unit 8 comprises second gear 81 and the 3rd gear 82, this second gear 81 is by turning axle 83 rotatable being installed on the bracing frame 1, and be meshed with first gear 72, the 3rd gear 82 and second gear, 81 coaxial being installed on the turning axle 83, and the tooth of the 3rd gear 82 is a helical teeth.
Transversal displacement unit 9 comprises the 4th gear 91, the 3rd bearing seat 92, internal thread axle sleeve 93, fixture 94, second transmission shaft 95 and driving handwheel 96, one end of second transmission shaft 95 is coaxial fixing with fixture 94 by the 3rd bearing seat 92, this fixture 94 is coaxial fixing with the 4th gear 91, the tooth of the 4th gear 91 is and the suitable helical teeth of the tooth of the 3rd gear 81, the 4th gear 91 is meshed with the 3rd gear 82, internal thread axle sleeve 93 is fixed on the bracing frame 1, second transmission shaft 95 is sleeved on this internal thread axle sleeve 93, and on this second transmission shaft 95, also be provided with the external thread that matches with internal thread, drive the end that handwheel 96 is installed in the other end of second transmission shaft 95; Also be provided with second index dial 97 in the end that second transmission shaft 95 that drives handwheel 96 is installed, and corresponding second pointer 98 that shows plate cylinder 2 circumferential displacements that on bracing frame 1, also is provided with.
When carrying out the circumferential register adjusting, by rotating circumferential register second transmission shaft 95, when being rotated, second transmission shaft 95 of screw thread moves axially, the 4th gear 91 that drive is attached thereto moves axially together but can not rotate, because the 4th gear 91 is spiral gears, will drive another spiral gear that is engaged with is that the 3rd gear 82 produces circular motion, setting by engaged gear ratio again, several times have been amplified when making initial rotational motion be delivered to plate cylinder 2 axle heads first gear 72, and drive the circumferential displacement of plate cylinder 2 generations, reach the circumferential register purpose.
In the utility model, be respectively by rotation axis to rotation handwheel 36 and circumferential driving handwheel 97, plate cylinder 2 is obtained axially or the change of circumferential position, change the purpose of printing figure message to reach in the horizontal and vertical position of printable fabric.The adjustment mutually noninterfere of axial and circumferential position on the plate cylinder 2, and guarantee plate cylinder 2 stability of rotation, degree of regulation height.