For the stencil set identical with in the past stencil set cun chi, that is to say for in the past measure-alike index wheel on increase lettering quantity, just need on index is taken turns, try every possible means.The objective of the invention is to, providing a kind of is not increasing the quantity that increases lettering and the index word corresponding with it under the situation of index wheel diameter size in the past, and has and can prevent that array literal is subjected to the stencil set of the device that printing ink is infected with.
According to the present invention, in stencil set 30, be provided with a plurality of index wheels 38 side by side, suspension the lettering endless belt 50 with lettering 51 and index word 52 on each index wheel, between each index wheel and index wheel, be provided with index liner 42, this liner has chimeric protruding 43 of inactive state, on a side of above-mentioned index wheel 38, formed can with the cannelure 40 of a part of tabling of movable limit block 44, on the part on these cannelure 40 periphery tops, vertical communication otch 41 is set communicatively, another part of above-mentioned movable limit block 44 and this longitudinal cut 41 tablings, this movable limit block 44 can be free to slide in the scope of longitudinal cut 41, chimeric protruding 43 of above-mentioned index liner 42 is entrenched in the above-mentioned cannelure 40, the rotations that index wheel 38 is done when selecting lettering can make above-mentioned chimeric protruding 43 to do relative moving along above-mentioned cannelure, and promote above-mentioned movable limit block 44, and the end 41a of this movable limit block 44 and above-mentioned longitudinal cut or 41b be when colliding, above-mentioned promotion just is restricted.
As Fig. 2, Fig. 3 and Fig. 5 and shown in Figure 6, selection knob 33 with stencil set 30 when selecting lettering 51 rotates to counter clockwise direction a, because the bayonet lock 35 of chosen axis 34 is fastened among interior all recess 39a of index wheel 38, make the also a rotation in the counterclockwise direction of this index wheel 38, and the lettering endless belt 50 of drive and this index wheel periphery depression 39b tabling rotates.
As shown in Figure 5, along with the rotation of above-mentioned index wheel 38, keeping under the chimeric state also to counterclockwise rotating with chimeric protruding 43 of actionless index wheel liner 42 at the cannelure 40 that forms on its side.At this moment, be that above-mentioned movable limit block 44 is near above-mentioned chimeric protruding 43 the left side at the state shown in Fig. 5, promptly be positioned at the distolateral 41a of the otch place of longitudinal cut 41.
Like this, after index wheel 38 rotated weeks, as shown in Figure 6, collided in chimeric protruding 43 right side of the movable limit block 44 of rotating with this index wheel 38 and the index liner 42 of inactive state.Rotate index wheel 38 in the counterclockwise direction as continuing, above-mentioned movable limit block 44 can move a distance that arrives the edge of longitudinal cut 41 scope that forms again under chimeric protruding 43 pushing of inactive state, promptly as shown in Figure 6, above-mentioned index wheel 38 further rotation of a do in the counterclockwise direction.
Above-mentioned movable limit block 44 is pushed to the cut ends 41b on chimeric protruding 43 right sides with the index liner 42 that the is positioned at inactive state part of colliding, and is index wheel 38 positions that stop operating.This position is that position (with reference to Fig. 3) below stencil set 30, that the distance of a word is still arranged apart from inking place 54, the end of array literal part 52 in the lettering endless belt 50 just, so just can avoid printing ink is coated onto on the array literal.
As seen by above-mentioned, when the lettering endless belt 50 of stencil set 30 of the present invention being made lettering and select, greater than 1 week, promptly rotational angle is 360 °+α to the limit rotation of its index wheel 38.
Fig. 1 illustrates the overall appearance of the label seal subsides machine with stencil set 30 of the present invention.Label seal subsides machine body 20 has the starting handle 22 that is oppositely arranged with handle 21, and this starting handle 22 is maintained at by pivot 23 on the frame of body 20, and its head portion forms two strands of Y-pieces 24, is fixing stencil set 30 on the top of this Y-piece 24.
Be provided with the label band 25 that is rolled into the cylinder shape above body 20, this label band 25 is directed on the lettering pressing plate 26 that is provided with in opposite directions with stencil set 30 by being located at intrinsic guiding device, so that to the label 25a lettering on the label band 25.
Above-mentioned label band 25 constitutes by equidistant strippingly labelled 25a on banded base stock 25b, and wherein base stock 25b can turn to and be drawn towards the rear of body 20 at the front end of lettering pressing plate 26.
When label 25a lettering, make stencil set 30 overcome the elastic force of ink coating device 28 by the starting handle 22 of holding with a firm grip, so that apply printing ink on the lettering part 51 of the lettering endless belt 50 of ink roller 29 below being positioned at stencil set 30, and make the label 25a of lettering part 51 contact positions on lettering pressing plate 26.
The label 25a that printed word can be turned to rotate to draw by the band tooth spiral in the body 20 and peel off from this band shape base stock 25b because of banded base stock 25, and is brought to the bottom of Sticking roller 27, is attached on the article under the wiping stranding effect of body 20.
The inside of stencil set 30 is described below in conjunction with Fig. 2, Fig. 3 and Fig. 4.
Index wheel 38 and rotatable support part 45 are installed on the lettering framework 31 of stencil set 30, and suspension the lettering endless belt 50 with lettering part 51 and index word part 52 on this index wheel 38 and rotatable support part 45.
The structure of above-mentioned lettering endless belt 50 is, half of its outer peripheral face is lettering part 51, and second half is and lettering part 51 corresponding index word parts 52; On the inner peripheral surface of lettering endless belt 50, be provided with chimeric protuberance 53, this chimeric protuberance 53 can to take turns the chimeric recess 47 of recess 39b on 38 peripheries and aforementioned rotatable support part 45 freely chimeric or break away from aforementioned index, so that this lettering endless belt 50 moves.In addition, a plurality of side by side being provided with each other of index wheel 38 have chimeric protruding 43 index liner 42, will describe in detail afterwards this.
All recess 39a in being provided with in interior week of above-mentioned index wheel 38, the chimeric pin 35 that is contained on the chosen axis 34 of selecting knob 33 can freely chimeric or disengaging with all recess 39a in this; As shown in Figure 2, the chimeric position of this chimeric pin 35 is mounted in the pairing position of indicateing arm 37b of the display 37a on the chosen axis 34.In addition, setting-in a hollow shaft 36 that has opening on above-mentioned chosen axis 34.
In addition, display 37a is offering observation window 32 being installed in along the form that axially is free to slide of chosen axis 34 on the lettering framework 31 in its part with arrow shaped indicateing arm 37b.On the periphery of above-mentioned chosen axis 34, be formed with a groove 34a, utilization is by spring and touch bumping between elastic keeper 34b that sliding pearl constitutes and the above-mentioned groove 34a and connect, make the slip of chosen axis 34 on direction of principal axis carry out smooth and easyly, and can limit chosen position.
In the bottom of aforementioned index wheel 38 and on the top of aforementioned rotatable support part 45, be respectively equipped with elastic support body 48,49, these two supporting masses 48,49 are kept by the fixture 55 that forms on lettering framework 31.
Following is the center with reference to Fig. 2 and Fig. 4 and with Fig. 5 to Fig. 9, and aforementioned index wheel 38 is elaborated.
As shown in Figure 2, the chosen axis 34 of stencil set 30 axially on a plurality of rotary index wheels 38 arranged side by side, between each index wheel 38, be provided with and have chimeric protruding 43 and can be maintained fixed the index liner 42 of (static) state.As shown in Figure 4, be provided with installing hole 43a, be formed with chimeric protruding 43 on the top of this installing hole in the centre of above-mentioned index liner 42.Installing hole 43a with at 36 tablings of the hollow shaft with opening of chosen axis 34 periphery settings, so just can when chosen axis 34 rotates, make index liner 42 keep motionless and present inactive state.
From Fig. 4 and Fig. 5, Fig. 7 as seen, the side of index wheel 38, specifically with the side of above-mentioned index liner 42 adjacency on formed cannelure 40, and on the part on the periphery top of the cannelure 40 of this index wheel 38, being provided with longitudinal cut 41, this longitudinal cut 41 is connected with above-mentioned cannelure 40.In the embodiment shown in fig. 5, the setting range of longitudinal cut 41 be about the longitudinal center top of index liner 42 each 35 ° promptly add up in 70 ° the scope.
As shown in Figure 9, movable limit block 44 is simultaneously chimeric with cannelure 40 and longitudinal cut 41, that is, the base portion 44a and the cannelure 40 of this movable limit block 44 are chimeric, and its flange portion 44b is then chimeric with longitudinal cut 41.This movable limit block 44 can have above-mentioned chimerism, owing to longitudinal cut causes in that the width upper shed is narrower.The sliding scale of movable limit block 44 is formation scopes of longitudinal cut, and promptly the flange 44b of movable block 44 and cut ends 41a and 41b bump within the scope that connects.
As Fig. 5, shown in Figure 8, chimeric protruding 43 of aforementioned index liner 42 is embedded among the cannelure 40 on the index wheel 38, and is entrenched in the top, the center of circle of cannelure 40 with the state of fixing (static).For ease of explanation, shown in Fig. 5 is above-mentioned block 44 and chimeric position of cannelure 40 and otch 41 when being adjacent to above-mentioned static chimeric protruding 43 left sides.
In addition, the periphery recess 39b on the outer peripheral face of index wheel 38 has formed 14 chimeric positions altogether, represents with label 1~14 respectively in Fig. 5; As shown in Figure 3, the chimeric protuberance 53 with the chimeric lettering endless belt 50 of above-mentioned recess 39b has 30.That is to say at the outer peripheral face of index wheel 38 14 periphery recess 39b are arranged, the index word 52 that is in lettering endless belt 50 between each recess and the recess has 14.Therefore, in the ordinary course of things, add and above-mentioned 14 index words, 52 corresponding 14 letterings that whole lettering endless belt 50 can indicate 14+14=28 literal.
But as described later, according to structure of the present invention, ink ribbon 50 can further increase the quantity of mark or character.
Followingly structure function of the present invention is illustrated with reference to Fig. 2, Fig. 3 and Fig. 5, Fig. 6.Certain lettering 51 in a certain lettering endless belt in the desire selection stencil set 30, to select knob 33 to transfer to earlier, aim at desired that typesetting and printing word endless belt with indicateing arm 37b with display 37a, to select knob 33 to counterclockwise rotating again, make the chimeric pin 35 of chosen axis 34 take turns 38 tablings with index, and lettering endless belt 50 is rotated, by observation window 32, select desired literal or symbol while confirm index word 52.
Fig. 5 is depicted as and carries out that above-mentioned lettering is selected and state when beginning to rotate.That is, the chimeric position 14 of the longitudinal centre line correspondence of the cannelure 40 of index wheel 38 be in inactive state index liner 42 chimeric protruding 43 with the position of cannelure 40 tablings on, movable limit block 44 is positioned at chimeric protruding 43 left side and joins with it.
After index wheel 38 rotated gradually, above-mentioned chimeric protruding 43 because be stationary state, so motionless; Though movable limit block 44 is along with index wheel 38 rotates together, before the index wheel rotated a week, it was motionless with respect to the index wheel.
When a week is expired in 38 rotations of index wheel, as shown in Figure 6, the position of movable limit block 44 then changes to the right side of the mosaic process 43 of inactive state at this moment, and bump with it and to connect, because between movable limit block 44 and the longitudinal cut 41 is the structure that moves freely, so stop flange 44b otch 41 along the longitudinal moves, so just make above-mentioned index wheel 38 can be rotated further a distance, this distance is equivalent to the displacement of chimeric position 14 among Fig. 6, chimeric protruding 43 the right-hand member that just can turn to the left end that makes movable limit block 44 and inactive state is collided and is connect, and till the cut ends 41b of above-mentioned movable limit block 44 and longitudinal cut 41 being collided connect.
This displacement is equivalent to 2 shared distances of literal in the lettering endless belt 50, the rotational angle that also is equivalent to index wheel 38 is 360 °+α (α is 70 ° in the present embodiment), that is to say that the lettering 51 on the ink ribbon 50 and the quantity of index word 52 can increase by one and measure accordingly with α.
When further rotating index when taking turns 38 to counter clockwise direction, chimeric protruding 43 of the index liner 42 of movable limit block 44 and inactive state is collided and is connect, this movable limit block 44 is just bumped with the cut ends 41b of longitudinal cut 41 and is connect, and this bumps and connects the stop position that part is an index wheel 38.
When index wheel 38 is in above-mentioned stop position, lettering endless belt 50 residing positions are, still there is the distance of a word end of its index word part 52 apart from the printing ink coating part 54 of stencil set 30 bottoms, thereby avoids printing ink is coated onto on the array literal, has formed a kind of antifouling structure.
Symbol b represents to clockwise rotate direction among the figure.
The present invention as mentioned above, on a side of index wheel 38, form cannelure 40, and on the part on the periphery top of the cannelure 40 of index wheel 38, form a longitudinal cut 41 that is communicated with above-mentioned cannelure 40, movable limit block 44 is entrenched within above-mentioned cannelure 40 and the otch 41 simultaneously, and chimeric protruding 43 of the index liner 42 of inactive state is fitted within the cannelure 40; This structure makes above-mentioned movable limit block 44 and chimeric protruding 43 of above-mentioned inactive state collide to connect and above-mentioned movable limit block 44 and longitudinal cut 41a or 41b collide, and the position that connects becomes index wheel 38 positions that stop operating.
Therefore, can avoid being suspended in the index word that index takes turns on the lettering endless belt 50 of 38 peripheries and partly be coated with printing ink.
And, because aforementioned movable limit block 44 can be free to slide in the scope that longitudinal cut 41 forms, so just increased the amount of movement of lettering endless belt 50, therefore, can increase the number of words of lettering 51 and index word 52, thereby a kind of not only miniaturization can be provided but also make the stencil set that to select lettering quantity to increase.