Gravure proof press
Technical field:
The present invention relates to the printing machinery technical field, refer in particular to a kind of being convenient to and operate, and can realize the gravure proof press of fast colourful printing.
Background technology:
Gravure proof press generally comprises glue drum, a version roller, on the rotating rack-mounted slide of glue drum, makes the glue drum can be with the slide straightaway.Version roller and the parallel installation of glue drum, it is to grip by left and right tailstock.During use, material webs to be printed is around in Jiao Gushang, and moves drive glue drum by slide and fit with the version roller.When the version roller that is coated with printing ink rotated, the printing ink transfer printing on the just order version roller formed printed patterns on the material on the glue drum.But, adopt the gravure proof press of said structure to have the following disadvantages at present:
At first, because different pattern, the colors of printing needs different version rollers, and when more changing plate roller, need the glue drum be moved a certain distance by slide, make itself and version keep at a certain distance away between the roller, but because the situation that different version rollers exists diameter to differ, so more changing plate roller or carry out other whens operation, aforesaid spacing also should be different.And the displacement of present gravure proof press slide is constant, the situation below so just producing: change the bigger version roller of less version roller of diameter and diameter, the distance that slide moves is the same, has so just reduced operating efficiency, and makes troubles to operation.
Next, also there is deficiency in the Sliding Structures of gravure proof press slide at present, directionality and synchronism that it can't keep slide to move, generation cooperates imprecision when causing the glue drum to be fitted with the version roller, has reduced the quality of printing.
At last, what the version roller of gravure proof press adopted at present is that left and right sides tailstock grips, and the comparatively complexity of stepping up structural design of present left and right sides tailstock, not only operation inconvenience, also easy damaged version roller.
Summary of the invention:
Technical problem to be solved by this invention just is to overcome the shortcoming of the said goods, and provide a kind of and not only can enhance productivity, and the gravure proof press of being convenient to operate.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme: this gravure proof press mainly comprises frame, glue drum and tailstock portion, this glue drum and tailstock portion are installed on the frame, described glue drum is installed on the frame by upper saddle and lower slider, wherein the glue drum is rotatable is articulated on the upper saddle, this upper saddle cooperates with the guide pin bushing sliding sleeve by line slideway and is installed on the lower slider, in last, be connected with a cylinder between the lower slider, lower slider cooperates with sliding sleeve between the guide pin bushing by line slideway and is installed on the frame, and the motor of a longitudinal leadscrew that cooperates with lower slider and this leading screw of driving is installed on frame; Described tailstock portion comprises left tailstock and right tailstock, left and right tailstock cooperates with rack-mounted horizontal leading screw, one end of this leading screw is equipped with the motor that drives its running, wherein left tailstock comprises a left pedestal and is installed in left chuck, cylinder on the pedestal, cylinder is fixed on the pedestal, and chuck is fixed on the piston rod of this cylinder; Described right tailstock comprises a right pedestal and is installed in right chuck, rotating disk on the right pedestal that rotating disk is by transmission mechanism and right chuck interlock.
For guaranteeing upper saddle when mobile, its both sides keep synchronism, are fixed with tooth bar respectively in the both sides of described upper saddle, these two tooth bars respectively with the gears engaged that is fixed on the rotating shaft two ends, the two ends of this rotating shaft are articulated on the frame.
Be provided with damping unit between the two ends of described rotating shaft and the frame.Produce collision to prevent that upper saddle slippage slippage inertia is excessive with the version roller.
Above-mentioned damping unit comprises: be fixed on roller end first belt pulley, be arranged at second belt pulley on the frame and be connected first belt pulley and second belt pulley between belt, produce certain resistance by the frictional force countershaft between first belt pulley and second belt pulley.
After the present invention adopts technique scheme, at first, the glue drum is by slippage, twice feeding of slide drive the glue drum and advance up and down, can pass through slide cooperating up and down for being positioned at bigger moving like this, drive glue rouses and moves, and then only needs to rouse mobile getting final product by upper saddle drive glue for being positioned at less moving.Secondly, the left and right sides of the present invention tailstock drives leading screw by motor and rotates, thereby clamps automatically about the left and right sides tailstock that order cooperates with leading screw is realized, simultaneously the same cylinder interlock of left chuck, so just make left chuck have buffering leeway, can reduce owing to the rigidity contact damages the version roller.At last, slide up and down of the present invention adopts the guide rail guiding, makes slide stable, deviation can not occur, improves the accuracy of product operation.
Description of drawings:
The present invention is further illustrated below in conjunction with accompanying drawing:
Fig. 1 is a three-dimensional structure diagram of the present invention;
Fig. 2 is a front view of the present invention;
Fig. 3 is a vertical view of the present invention;
Fig. 4 is the partial structurtes figure under the backsight state of the present invention;
Fig. 5 is the front view of glue drum of the present invention;
Fig. 6 is the stereogram of tailstock of the present invention;
Fig. 7 is the front view of tailstock of the present invention.
The specific embodiment:
See accompanying drawing 1~7, the present invention is a kind of gravure proof press, and it mainly comprises: frame 1, glue drum 2, tailstock portion 5 and control cabinet 11, and wherein glue drum 2 and tailstock portion 5 are installed on the frame 1, control cabinet 11 is positioned at an end of frame 1, and it is by digital-control circuit control work of the present invention.
Glue drum 2 is installed on the frame 1 by upper saddle 3 and lower slider 4, relies on upper and lower slide 3,4 to realize twice feeding.Concrete structure is: upper and lower slide 3,4 is stacked mutually, the two ends of glue drum 2 are rotatable to be articulated on the two side of upper saddle 3, upper saddle 3 bottoms cooperate with guide pin bushing 36 sliding sleeves by line slideway 35 and are installed on the lower slider 4, promptly be provided with two line slideways 35 in lower slider 4 upper surfaces, upper saddle 3 bottoms are provided with the sliding sleeve 36 supporting with above-mentioned line slideway 35, like this, upper saddle 3 just can be advanced along this line slideway 35.Be fixed with a cylinder 31 on lower slider 4, the piston rod of this cylinder 31 is connected with upper saddle 3, and upper saddle 3 is advanced on line slideway 35 by the promotion of cylinder 31.Lower slider 4 cooperates with sliding sleeve between the guide pin bushing 42 by another line slideway 41 and is installed on the frame 1, promptly frame 1 is provided with two line slideways 41, be provided with the guide pin bushing 42 that can cooperate in the bottom of lower slider 4, can advance along line slideway 41 to make lower slider 4 with line slideway 41.Lower slider 4 drives by motor 44 and advances, its concrete structure is: a longitudinal leadscrew (scheme not shown) parallel with line slideway 41 is installed on frame 1, this leading screw and lower slider 4 threaded engagement, motor 44 is fixed on the frame 1, and, rotate to drive leading screw, after the leading screw running by reducing gear and leading screw interlock, it will drive lower slider 4 along the feeding of leading screw direction, realize advancing of lower slider 4.
Keep synchronously in order to ensure two ends travel distance about upper saddle 3 is when mobile, the both sides of described upper saddle 3 are fixed with a tooth bar 32,33 respectively, these two tooth bars 32,33 mesh with the gear 61,62 that is fixed on a rotating shaft 6 two ends respectively, and the two ends of this rotating shaft 6 are articulated on the two side of frame 1.Engagement by gear 61,62 and tooth bar 32,33 keeps upper saddle 3 two ends to advance synchronously like this, deviation can not occur, improves the accuracy of operation.
In order to ensure upper saddle 3 inertia when advancing is not too big, is respectively arranged with damping unit between the two ends of described rotating shaft 6 and the frame 1.This damping unit comprises: be fixed on rotating shaft 6 ends first belt pulley 63, be arranged at second belt pulley 64 on the frame 1 and be connected first belt pulley 63 and second belt pulley 64 between belt 65.Connect by the belt between first belt pulley 63 and second belt pulley 64, make upper saddle 3 when advancing, have certain resistance, thereby make upper saddle 3 in time stagnate, so as not to during its operation because inertia causes between glue drum 2 and the version roller generation to collide too greatly.
Described tailstock portion 5 comprises left tailstock 51 and right tailstock 52, and left and right tailstock 51,52 cooperates with horizontal leading screw 53 on being installed in frame 1, is provided with the motor 54 that drives its running in an end of leading screw 53, and this motor 54 is by reducing gear and leading screw 53 interlocks.When motor 54 drives leading screw 53 rotations by reducing gear after, left and right tailstock 51,52 will move with the rotation of leading screw 53, so just the version roller between left and right tailstock 51,52 can be clamped.
Above-mentioned left tailstock 51 comprises a left pedestal 511 and is installed in left chuck 512, cylinder 513 on the pedestal 511.Pedestal 511 bottoms, a left side offer dovetail groove 514, these dovetail groove 514 embedded press strips 515 of fixing with frame 1 that are with, and stablizing in the time of can guaranteeing that by this structure left pedestal 511 moves flop phenomenon can not occur.This cylinder 513 is fixed on the pedestal 511, and chuck 512 is fixed on the piston rod of cylinder 513.This right side tailstock 52 comprises a right pedestal 521 and is installed in right chuck 522, rotating disk 523 on the right pedestal 521.Equally, right pedestal 521 bottoms offer dovetail groove 524, these dovetail groove 524 embedded press strips 525 of fixing with frame 1 that are with.Rotating disk 523 can be regulated the straightaway of right chuck 522 by rotating rotating disk 523, so that the chucking power that is clamped in version roller between the left and right chuck 512,522 is finely tuned like this by transmission mechanism and right chuck 522 interlocks.In use, the version roller between left and right chuck 512,522, and is clamped the version roller by left and right chuck 512,522, finely tune by 523 pairs of chucking powers of rotating disk simultaneously, it is more firm that order version roller is installed.
In sum, after the present invention adopts technique scheme, at first, glue drum 2 is by slippage, twice feeding of slide 3,5 drive glue drum 2 and advance up and down, can pass through slide 3,4 cooperatings up and down for being positioned at bigger moving like this, drive glue drum 2 and move, then only need to drive glue drums 2 and move and get final product by upper saddle 3 for being positioned at less moving.Secondly, the left and right sides of the present invention tailstock 51,52 drives leading screw 53 by motor 54 and rotates, thereby about realizing, the left and right sides tailstock that order cooperates with leading screw 53 51,52 clamps automatically, left chuck 512 same cylinder interlocks of while, so just make left chuck 512 have buffering leeway, can reduce owing to the rigidity contact damages the version roller.At last, slide up and down 3,4 of the present invention adopts the guide rail guiding, makes slide stable, deviation can not occur, has improved the accuracy of product operation greatly.