CN2288837Y - Improved printing press - Google Patents

Abstract

The utility model relates to an improved printing press, which is characterized in that an ink sharing and conveying device is composed of an auxiliary motor, a band wheel, an ink sharing roller, an ink fleeing roller, an ink painting roller, a tail rubber roller and an ink bucket, wherein, the auxiliary motor drives the ink sharing roller, the ink fleeing roller and the ink painting roller to rotate through the band wheel. Because the utility model adopts the structure of an ink sharing and conveying system with an auxiliary motor and attaching with a water bucket device, the utility model can sufficiently ensure even ink painting and simple and convenient operation in the process of printing. The quality and the efficiency of printing are improved. Meanwhile, the utility model enlarges the ranges of being suitable for printing kinds and printing articles.

Description

A kind of improved printing machine

The utility model relates to the improvement of printing machinery and printing technology.

Chinese patent (patent No. is 93202027.5) discloses a kind of letterest printing machine, it combines some advantages of letterpress and offset press, structurally the direct impression form with letterpress is improved to indirect impression form, by the rubber cylinder nip drum is crossed flange, picture and text on the relief printing plate are transferred on the rubber cylinder, rubber cylinder roll across again paper with the transfer printing of figure line on paper, the letterest printing machine of this spline structure, can overcome some shortcomings of letterpress, improve printing quality and reduce loaded down with trivial details technical process, but the letterest printing machine of this structure, even black ink transfer device still is fairly simple, is coated with China ink and is difficult to evenly cause printing quality poor, efficient is low, particularly more serious during the big thin picture and text of printing, and do not have the bucket device, can only adopt resin relief, function singleness, resolution ratio and printed matter breadth are compared with the offset press that adopts the PS version and are existed gap, particularly exist weak points such as the distortion factor at figure line edge is big.

The purpose of this utility model provide a kind of simple in structure, be coated with China ink evenly, the printing machine that printing effect is good, be provided with the bucket device on this basis again, thereby the lithographic printing that water both can be arranged, can remove bucket again eaily and carry out driography, become a kind of two formula printing machines applied widely.

The utility model comprises workbench, feet, main motor, reducing gear, transmission mechanism, even black ink transfer device, offset printing device, bed, impression platform, holder device etc., and wherein offset printing device is made up of rubber cylinder, rolling bearing, eccentric wheel lifting stern, lifting fork, enterprise's clamping plate etc.; Holder device is by support, rolling tooth bar, fixedly plate washer, movable plate washer etc. are formed, its characteristics are to spare black ink transfer device and are made up of stand-by motor, belt wheel, rider roller, wavers, inking roller, tail rubber roll, ink fountain, stand-by motor drives rider roller, wavers, inking roller rotation by belt wheel, and inking roller is installed in also can be reciprocating along support with enterprise's clamping plate on enterprise's clamping plate.

Be provided with the bucket device between even black ink transfer device of above-mentioned printing machine and the offset printing device, this bucket device is made up of bucket, water rumble, damping roller, pendulum plate, push rod, damping roller guide rail, damping roller is installed on enterprise's clamping plate by the pendulum plate, push rod one end is hinged on the pendulum plate, and the other end is supported on the damping roller guide rail by roller.

Above-mentioned transmission mechanism is made up of crank, connecting rod, fork, small swinging rod, and wherein connecting rod front end and crank are hinged on the fork middle section position, and fork one end and enterprise's clamping plate are hinged, and the other end and small swinging rod free end are hinged, and the small swinging rod other end is hinged on the feet bottom.

The utility model is owing to adopt the structure of the even black ink spreader that stand-by motor is arranged to reach the additional bucket device that has, what fully guaranteed printing process is coated with all even operation simple of China ink, convenient, improve the quality and the efficient of printing greatly, reduce the distortion factor at picture and text edge, the kind of suitable forme and the scope of stock have been enlarged simultaneously, aspect forme, both can use flexible resin relief, can use general PS version again, aspect stock, smart little flexible things such as business card can either be printed and bigger glass can be printed again, plastics, the rigid thing of thickness such as cardboard is the novel printing equipment that can be widely used in printing industry.

Further specify structure of the present utility model and basic principle below in conjunction with accompanying drawing:

Fig. 1 is a structural representation of the present utility model;

As shown in Figure 1, the utility model comprises workbench 1, feet 2, main motor 3, reducing gear 4, transmission mechanism 5, even black ink transfer device 6, bucket device 7, offset printing device 8, bed 9, impression platform 10, holder device 11 etc., wherein transmission mechanism 5 is made up of crank 12, kinematic link 13, fork 14, small swinging rod 15, wherein connecting rod 13 front ends and crank 12 are hinged, the rear end is hinged on fork 14 middle section positions, fork 14 1 ends and enterprise's clamping plate are hinged, the other end and small swinging rod 15 free ends are hinged, and small swinging rod 15 other ends are hinged on feet 2 bottoms; Even black ink transfer device 6 is made up of stand-by motor 16, belt wheel 17, rider roller 18, wavers 19, inking roller 20, tail glue 21, ink fountain 22, wherein stand-by motor 16, rider roller 18, wavers 19, tail rubber roll 21, ink fountain 22 are fixedly mounted on the support 34, stand-by motor 16 rotates by belt wheel 17 transmission rider rollers 18, wavers 19 and inking roller 20, inking roller 20 is installed on enterprise's clamping plate 33, and can be reciprocating with enterprise's clamping plate 33.Bucket device 7 is made up of bucket 23, water rumble 24, damping roller 25, pendulum plate 26, push rod 27, damping roller guide rail 28; Bucket 23, water rumble 24 are fixedly mounted on the support 34, damping roller 25 is installed on enterprise's clamping plate 33 by pendulum plate 26, push rod 27 1 ends are hinged on the pendulum plate 26, the other end is supported on the damping roller guide rail 28 by roller, damping roller guide rail 28 is arranged on support 34 belows, and corresponding bed 9 positions, its stage casing are provided with one section shallow grooves.Offset printing device 8 is by rubber cylinder 29, rolling bearing 30, eccentric wheel lifting arm 31, lifting fork 32, enterprise's clamping plate 33 compositions such as grade, wherein rubber cylinder 29 and eccentric wheel lifting arm 31 coaxial being installed in are looked forward on the clamping plate 33, rolling bearing 30 is fixed on rubber cylinder 29 two ends, it can roll and drive rubber cylinder 29 and roll along rolling tooth bar 35, one end of lifting shift fork 32 and the eccentric end of eccentric wheel lifting arm 31 flexibly connect, the other end connects pulley, its stage casing is hinged on enterprise's clamping plate, there is tension spring to be connected between lifting shift fork 32 and the eccentric wheel lifting arm 31, the elastic force that resets with the swing that keeps lifting shift fork 32.Holder device 11 by support 34, rolling tooth bar 35, fixedly plate washer 36, movable plate washer 37, hand pull 38, pull bar 39 etc. forms, fixed dam 36, movable plate washer 37 are arranged on support 34 two ends (two ends of movement travel), hand 38 activities by pull bar 39 control sideboards 37 of pulling.Bed 9, impression platform 10 are used for placing forme and stock respectively, and forme can adopt PS version or flexible printing forme, and stock can be things such as paper, glass, and bed 9, impression platform 10 orders are installed on the workbench 1.

Narrate typography principle process of the present utility model below:

As shown in Figure 1, the position is that rubber cylinder 29 arrives the right end points among the figure, and is in the preparation impressing state.At first, stand-by motor 16 drives rider roller 18 by belt wheel 17, wavers 19 rotates, tail rubber roll 21 is delivered to wavers 19 with the printing ink of ink fountain 22, fully stir evenly on the rider roller 18, stand-by motor 16 stops voluntarily after main motor 3 is started working, main motor 3 comes the axle motion of transmission rider roller 18 by the chain rivet on the reducing gear output shaft A axle, thereby drive the work of rider roller 18 and even black ink transfer device, main motor 3 passes through transmission mechanism, driving enterprise's clamping plate 33 moves right, rubber cylinder 29 rolls forward along the rolling tooth bar 35 on the support 34, when on bed 9, rolling across, the printing ink picture and text of forme on the bed 9 are transferred on the rubber of rubber cylinder 29, rubber cylinder 29 continuation are rolled to forward on the impression platform 10 and with paper and contact, under the effect of pressure, printing ink picture and text transfer printing on the rubber cylinder 29 is on paper, finished printing process, simultaneously, damping roller 25 and inking roller 20 are along with moving left of clamping plate 33 of enterprise rolls across bed 9, finish respectively and be coated with for the first time water and be coated with China ink work, rubber cylinder 29 continues to be rolled to left side end points, fixed dam 36 is run in lifting shift fork 32 bottoms, lifting shift fork 32 drives eccentric wheel lifting arm 31 and turns over an angle, make rubber cylinder 29 height that risen, leave impressing state, under the effect of transmission mechanism, enterprise's clamping plate 33 change direction and move right, drive rubber cylinder 29 and get back to the right end points, lifting fork 32 is run into movable link stopper 37, lifting fork 32 drives eccentric wheel lifting arm 31 and turns over an angle, make height of rubber cylinder 29 declines, homing, inking roller 20 is got back to original position simultaneously, can fully contact with wavers 19, make the printing ink on the inking roller 20 obtain sufficient supply; Damping roller 25 contacts damping roller 25 wash cleans with water rumble 24, finishes the oscillation cycle of one-step print.In the whole print cycle, rubber cylinder 29 all is to carry out periodic lifting under the control of lifting shift fork 32, as not needing impression, can pull by hand and 38 sideboard 37 be left behind, and lifting shift fork 32 bumps less than it, and rubber cylinder 29 promptly is in non-impressing state.In printing process, damping roller 25 is to carry out periodic lifting under the control of push rod 27, enterprise's clamping plate 33 drive damping roller 25 and are moved to the left when arriving bed 9 positions, push rod 27 lower end rollers arrive the groove location place of damping roller guide rail 28, push rod 27 upper ends affect the 26 downward transposition skews of pendulum plate, damping roller 25 height that promptly descends, touch forme, clamping plate 33 continue to be moved to the left when enterprise, damping roller 25 rolls across forme, and when leaving bed, the roller of push rod 27 breaks away from the groove section and rises to again on damping roller guide rail 28 planes, damping roller 25 height that promptly rises, the Shi Buhui that moves ahead again contacts with the impression platform, when utilizing resin relief to carry out letterpress, the water rumble can be dismantled, and with push rod 27 be fixed on the enterprise clamping plate on, make this structure become the driography machine of another kind of form.

Claims (3)

1, a kind of improved printing machine, it comprises workbench (1), feet (2), main motor (3), reducing gear (4), transmission mechanism (5), even black ink transfer device (6), offset printing device (8), bed (9), impression platform (10), holder device (7) etc., and wherein offset printing device (8) is made up of rubber cylinder (29), rolling bearing (30), eccentric wheel lifting arm (31), lifting fork (32), enterprise's clamping plate (33) etc.; Holder device (11) is by support (34), rolling tooth bar (35), fixedly plate washer (36), movable plate washer (37) are formed, it is characterized in that sparing black ink transfer device is made up of stand-by motor (16), belt wheel (17), rider roller (18), wavers (19), inking roller (20), tail rubber roll (21), ink fountain (22), stand-by motor (16) passes through belt wheel (17) and drives rider roller (18), wavers (19), inking roller (20) rotation, and inking roller (20) is installed in enterprise's clamping plate (33) upward also can be reciprocating along support (34) with enterprise's clamping plate (33).

2, according to the described improved printing machine of claim 1, it is characterized in that being provided with bucket device (7) between above-mentioned even black ink transfer device (6) and the offset printing device (8), this bucket device (7) is by bucket (23), water rumble (24), damping roller (25), pendulum plate (26), push rod (27), damping roller guide rail (28) is formed, damping roller (25) is installed on enterprise's clamping plate (33) by pendulum plate (26), push rod (27) one ends are hinged on the pendulum plate (26), the other end is supported on the damping roller guide rail (28) by roller, damping roller guide rail (28) is arranged on support (34) below, and corresponding bed (9) position, its stage casing is provided with one section shallow grooves.

3, according to the described improved printing machine of claim 1, it is characterized in that above-mentioned transmission mechanism (5) is made up of crank (1 2), connecting rod (13), fork (14), small swinging rod (15), wherein connecting rod (13) front end and crank (12) are hinged, the rear end is hinged on fork (14) middle section position, fork (14) one ends are hinged with enterprise's clamping plate (33), the other end and small swinging rod (15) free end is hinged, and small swinging rod (15) other end is hinged on feet (2) bottom.