CN2150997Y

CN2150997Y - Bedyeing unit of printer with improved mechanism

Info

Publication number: CN2150997Y
Application number: CN 93200874
Authority: CN
Inventors: 刘兴人
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-01-29
Filing date: 1993-01-29
Publication date: 1993-12-29
Anticipated expiration: 2003-01-29

Abstract

The utility model relates to the coloring and inking unit of a printer with an improved mechanism, comprising a crank drive group, a slide block, a group of toggle cranks, a group of coloring cranks, a group of inking connecting rods, a group of colorful drums, and a printing plate drum, wherein, the utility model is characterized in that the crank drive group transfers the rotary movement transferred via a motor into the straight reciprocating motion and drives the slide block which shows a V form. During each reciprocating travel, the slide block pushes the toggle crank and the coloring and inking unit, and the reciprocating travel makes the printing plate drum print out correct patterns for simplifying the design and operation of the mechanism. The utility model has easy maintenance.

Description

Bedyeing unit of printer with improved mechanism

The utility model is the mechanism arrangement of relevant a kind of printing machinery, be meant the printing machine colouring inking device of appropriate authority improvement especially, its cam driving that utilizes crank gearing to make and commonly use changes over linear drives, make it except the design complexity and maintenance difficult that can reduce parts, more can increase the efficient of printing work.

Paper and typographic invention have great enlightenment and contribution for the development of science and technology and civilization.The printing machine colouring inking mechanism of commonly using, as shown in Figure 1, its power is transmitted by gear 1 and comes and driven gear 2,3, and gear 2,3 is all the shape that the bigger and interior breadth of thickness is milled with

cam rail

21,31, be engaged in the

roller

43,53 in the

cam track head

21,31 simultaneously, promote after then being driven and with crank 42,52, and

crank

41,42 and the 51, the 52nd are matched with on the axle 4,5 with key pin, are caused connecting rod 44,54 that crank 61,71 pullings are become moving up and down of bent arc by power transmission; 61,71 on crank is individually fixed on the

axle

6,7, and crank 61,71 front ends respectively carry tube 62 and 72 of the same colour, horizontal rail bottom is a printed panel face 10, there is a printed panel tube 13 reciprocating thereon, and this moves back and forth the gear 12 that is locked together by other mechanism's pulling and printed panel tube 13, it is moved on tooth bar 11, and this is the printing machine colouring inking mechanism that commonly sees.

As for its operating principle, see also shown in Figure 1ly, because of crank 61 is the bottom dead centre A that are positioned at look tube 62, crank 71 then is positioned at top dead-centre B ', and printed panel tube 13 is positioned at its limit on the right-right-hand limit point C; At this moment, suppose it is new presswork circulation beginning, inking steel cylinder 8 is applied to look tube 62 with the process color China ink and finishes, and the look tube 72 that a last circulation has been printed then owing to being made its contact inking steel cylinder 9 by connecting rod 54 pulling cranks 71, is gone up China ink again and given operation fully; Printed panel tube 13 is to be advanced to the E point by limit on the right-right-hand limit point C with the rolling of straight line at this moment, simultaneously, the action that cam rail 21 pulling look tubes 62 rise also cooperates the forward motion of printed panel tube 13, so, at the apperance plate on the printed panel tube 13 (being provided with printed panel on the bent arc FG) contact print plate face 10, and with the seal of the pattern on plate paper extremely thereon; Printed panel tube 13 continues left, and limit point D advances up to the process that arrives, just be that crank 71 is given look tube 72 by inking steel cylinder 9 process color China ink is applied to the process on the printed panel tube 13 of using up the look China ink, when printed panel tube 13 arrives limit on the left point D, to prepare backhaul, its action is just consistent with above-mentioned narration, just direction is opposite with action, and printing action again; Like this, but a stroke transfer printing secondary plate face.

Yet the equipment mechanism that this kind commonly used but is everlasting when using, and finds following inconvenience and defective

1, the action of colouring inking, be to drive with

cam rail

21,31, it should be noted that at first this kind cam drive mechanism is when design, it is transformed into circular motion with originally straight line and curvilinear style motion, not only needs to cooperate accurately, and the error that more needs to analyze cam face and accumulation thereof is also done to deduce and test, therefore mechanism is comparatively complicated, and be difficult to safeguard, on design cost, more greatly improve.

2, for printing machine, colouring inking mechanism needs regular adjustment and location, to cooperate different presswork, and this kind cam drive mechanism, must be during adjustment simultaneously to axle 4,5 and gear 2,3 axle center is done to proofread and correct and is adjusted, except that this trouble, cam accumulated error in above-mentioned the 1st is in case big to making

roller

43,53 motions are not the just motions one on the other the time, then as can be seen from Figure, because roller 43, the 53rd, be limited in

cam rail

21,31 the wiping that contact-making surface produced is squeezed in the distortion, will cause the number of times increase and the facility life-span of this printing machine guarantee to shorten.

By as can be known aforementioned, practise and to have with cam-actuated printing machine colouring inking mechanism, use, defective in operation and the maintenance, improved necessity is arranged in fact.

Therefore, the purpose of this utility model provides the printing machine colouring inking device of a kind of mechanism improvement, and it can provide a kind of convenient for assembly, reduce the mechanism arrangement of safeguarding, the linear drives mode of utilizing crank gearing to cause is simplified mechanism's stroke action, and it is easy and easy to adjust to design.

Another purpose of the present utility model provides the printing machine colouring inking device of a kind of mechanism improvement, it can utilize the track kind of drive of straight line driving, provide mechanism arrangement to have the buffering enough and to spare, enough prevent the crowded abrasion of wiping that excessively restriction causes, reduce the puzzlement of maintenance, and increase the life-span of facility.

The purpose of this utility model is realized by following technical scheme:

The printing machine colouring inking device of a kind of mechanism improvement, it mainly comprises: a crank gearing group; One slide block; Stir crank for one group; One group of colouring crank; One group of colouring connecting rod; A tube of the same colour and a printed panel tube; Its principal character power that rotatablely moves that to be the crank gearing group come the motor transmission changes orthoscopic reciprocating motion mode into to be exported, and the length that reciprocating stroke is provided according to need is to drive slide block; Slide block is one to be " V " font body, central authorities join with the crank gearing group, and opposite side is to be sandwiched on the track reciprocatingly, and two inclined-planes of " V " font body move up and down with stirring the roller that crank engages, and crank, colouring crank and colouring connecting rod are stirred in guiding; And the colouring connecting rod spurs the look tube up and down with bent arc, and the look tube is supplemented to the process color China ink in the printed panel face on the printed panel tube of transfer printing pattern.

The utility model has product to compare with habit, has following evident difference and advantage:

1, the cam type of drive of commonly using is with cam rail guiding roller, and the movement locus of restriction roller, yet cam rail is the shape of obtaining in approximate mode, that is represent the generation that it has error, in case error accumulation too much makes the roller displacement, then cause the bilateral position of printing action inconsistent and make roller remove to oppress cam rail to produce to wipe and squeeze and wear away, this device then is inclined-plane and the plane guidance roller that utilizes unrestraint slide block, in case error is arranged roller is beated, then can provide its displacement and the crowded abrasion of unlikely generation wiping; For each member, operation of safety can be provided, prolonged the life-span of facility.

2, above-mentioned member, the habit person of having is because error and displacement and friction loss, the user is the guiding mechanism position often, and adding cam rail is a fixing and constant position, often makes a great fuss in the hope of roller can cooperate cam rail in order to adjust each, this kind mechanism arrangement of the present utility model, the position of then directly adjusting crank and travelling gear changes stroke, and each crank of adjusting concentric, can finish the adjustment of bottom dead centre on the look tube, for the user, be very easy to reach.

By as seen above-mentioned, the utility model makes the change straight reciprocating motion that rotatablely moves effectively, promote to stir crank and the inking of painting by slide block, reciprocating stroke by improving drive mechanism makes the printed panel tube can print out correct pattern, makes mechanism design and simplified control, has the obvious advantage that design is easy, assembling is simple, easy to adjust, and it has the buffering surplus, can prevent the crowded abrasion of wiping that excessively restriction causes, and maintains easily and increased effectively the service life of facility.

Concrete structure of the present utility model is provided in detail by following preferred embodiment and accompanying drawing.For reaching above-mentioned purpose, the technological means that is adopted, application principle and enforcement situation thereof are described with reference to the accompanying drawings as follows now.

Fig. 1 is the printing machine colouring inking structural scheme of mechanism of commonly using.

Fig. 2, Fig. 3 are mechanism arrangement action schematic diagram of the present utility model.

Fig. 4 is a combination assumption diagram of the present utility model.

See also Fig. 2, Fig. 3, shown in Figure 4, be the improved device schematic diagram of the printing colouring inking mechanism that commonly sees of the present utility model, power transmission reaches gear 1 by motor, drives to gear wheel 200 by gear 1 again, and gear 200 has one to adjust groove 201, can insert and locate for crank 300; Crank 300 is to combine with the slide block 301 of " V " font, and slide block 301 is to be positioned on the track 302; On " V " font body slide block 301, there is the axle 400,500 of one group of phase fit to be arranged at its upper end, be sheathed on axle respectively and can rotate arbitrarily on 400,500 and stir crank 402,502, the end in addition of stirring crank 402,502 then engages a crank 401,501 that has a roller 403,503 respectively; The axle center of its middle roller 403,503 is to be welded on the crank 401,501, and the end in addition of crank 401,501 is connected with inking connecting rod 404,504; 404,504 on inking connecting rod drives the colouring crank 601,701 that is fixed in axle 600,700 again at other end, is connected look tube 602,702 at colouring crank 601,701 again again with the position that inking connecting rod 404,504 joins; In addition, the position of printed panel tube 13 and mechanism, then the printing machine with general is identical, be to drive for the gear 12 that is welded in printed panel tube 13 two ends by another mechanism, make it reciprocating on tooth bar 11, and printed panel tube 13 can be carried out the function of printing on printed panel face 10, and this is that mechanism of the present utility model forms.

Motion mode of the present utility model and performance see also Fig. 2, Fig. 3, shown in Figure 4, can understand the relative position and the movement locus of its each member.

Suppose that at first Fig. 2 is the presswork of this kind mechanism arrangement executed one stroke of the present utility model, and begin another new beginning of cycle, replenish the look tube 602 that is stained with the look China ink and be positioned at look tube bottom dead centre A, 702 in look tube using up the look China ink is positioned at top dead-centre B ', contacts with inking steel cylinder 9 to make its additional printing ink; Along with printed panel tube 13 by limit on the left point D when printed panel face mid point E moves, crank 300 also promotes slide block 301 to left movement, wherein, the inclined-plane 3011 of slide block 301 is just gradually with roller 403 jack-up, also spur inking connecting rods 404 with little by little pull-up of look tube 602 simultaneously by crank 401, moving of printed panel on the bent arc FG of cooperation printing cylinder plate 13 makes it to carry out the operation of inking, printing; When the printed panel tube by mid point E, and roller 403 has slided on the right plane of " V " font body slide block 301,602 in look tube having used up the look China ink contact is just given the inking steel cylinders 8 of black usefulness; Simultaneously, roller 503 is descended by the left tilted surface 3012 of slide block 301, make the look tube 702 that replenishes full look China ink drop to bottom dead centre B, and as shown in Figure 3, when printed panel tube 13 during at limit on the left point D and desire begins the backhaul limit point C that turns right advances, so, its step is all identical with the narration of Fig. 2 to Fig. 3 with manner of execution, and this mechanism makes printed panel tube 13 carry out a reciprocating stroke can carry out secondary presswork.

Fig. 3 is a combination assumption diagram of the present utility model, each member relevant position before and after it as can be seen, when change presswork, axle 400,500 can move up and down last bottom dead centre A, A ', B, B ', the bent arc of adjusting look tube 602,702, can adjust the length of stroke that promotes slide block 301 for crank 300 and adjust groove 201.

Claims

1, the printing machine colouring inking device of a kind of mechanism improvement, it mainly comprises: a crank gearing group; One slide block; Stir crank for one group; One group of colouring crank; One group of colouring connecting rod, a tube of the same colour and a printed panel tube; It is characterized in that motor connects gear (1), gear (1) and gear (200) engagement, crank (300) is inserted the adjustment groove (201) and the location of gear (200), crank (300) joins with the central authorities of " V " font slide block (301), opposite side is sandwiched on the track, two inclined-planes of " V " font body with stir roller that crank combines and contact and make it to move up and down, crank is stirred in guiding, colouring crank and inking connecting rod, the colouring crank is connected the look tube again again with the position that the inking connecting rod joins, the look tube is spurred with bent arc up and down, and the look tube is supplemented to the process color China ink in the printed panel face on the printed board tube of transfer printing pattern.