CN102616006A - Flat-bed printer - Google Patents
Flat-bed printer Download PDFInfo
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- CN102616006A CN102616006A CN2012100664200A CN201210066420A CN102616006A CN 102616006 A CN102616006 A CN 102616006A CN 2012100664200 A CN2012100664200 A CN 2012100664200A CN 201210066420 A CN201210066420 A CN 201210066420A CN 102616006 A CN102616006 A CN 102616006A
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Abstract
The invention discloses a flat-bed printer which comprises a paper guide plate, a left side plate, a right side plate and a support seat, wherein a front upper paper guide base provided with a paper pickup star wheel is fixedly arranged on the paper guide plate; an ink jet head is arranged on the support seat; a front paper guide roller which is positioned in front of the ink jet head and is matched with the paper pickup star wheel is arranged between the left side plate and the right side plate; a top plate is hinged to the upper paper guide base; a batten is formed on the top plate; a front paper pickup roller which can be lifted along with the action of the top plate is arranged on the top plate; the front paper pickup roller penetrates through the square hole in the front upper paper guide base and then is matched with the front paper guide roller; an eccentric wheel abutted against the bottom end surface of the batten is arranged on the right side plate; a gear is formed on the side wall of the eccentric wheel; the gear is connected with the output end of a motor on the right side plate through a gear set; a rear paper guide roller positioned at the rear part of the ink jet head is also arranged between the left side plate and the right side plate; a rear upper paper guide base is fixedly arranged on the bottom side of the support seat; and a rear paper pickup roller matched with the rear paper guide roller is arranged on the rear upper paper guide base.
Description
Technical field
The present invention relates to a kind of printer, particularly a kind of paper feed channel is the flatbed printer that yi word pattern, print media go out before advancing.
Background technology
Traditional ink-jet printer is few because of the contact area of pocket-wheel and print media, and the frictional force of generation is little, if the paper feeding of dependence pocket-wheel can't guarantee printing precision when below shower nozzle, printing; If have the paper-sheets rolling wheel long-pending and pocket-wheel is replaced with print media, then when paper delivery, can cause paper-sheets rolling wheel to scratch not dry ink marks than large contact surface; Make image fault, be bonded at the paper that the ink marks on the paper-sheets rolling wheel also can be stained the back process simultaneously, for this reason; Paper feed channel on the conventional ink jet printers is designed to L type or C type; As depicted in figs. 1 and 2, print media 1A is got into printer and is driven paper through some paper-sheets rolling wheel 2A by rear (L type) or below (the C type) of printer, makes top of form arrive the below of ink gun 3A; Implement print job then; Utilize pocket-wheel 4A to derive print media from the printer front end at last, this C type or L type structure make the file after printing avoid paper-sheets rolling wheel 2A, and the ink marks of having avoided drying up on the print media is scratched.But the paper feed passage of this L type or C type can't be from the front end paper feed, and the pliability of print media is had certain restriction; Can paper feed or paper feed failure for thicker print media; Cause paper jam phenomenon easily, the wearing and tearing of the related components of printer are also more serious, shortened the service life of printer; And complex structure takes up room.
Summary of the invention
In order to overcome the deficiency of prior art, the present invention provides a kind of flatbed printer with the paper feed passage of yi word pattern, the restriction that can reduce the print media pliability to greatest extent and compactness rational in infrastructure, easy for installation, long service life.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of flatbed printer; It draws together lateral paper guide, left plate, right plate and bearing; Be fixed with on the said lateral paper guide to which is provided with to rub with the hands on paper pocket-wheel preceding and lead the paper substrate seat; Ink gun is installed on the bearing, be equipped with between the left and right side plate be positioned at ink gun the place ahead and with rub the heading paper Kun that the paper pocket-wheel cooperates with the hands, lead on the paper substrate seat being hinged with top board on said; Be shaped on batten on the top board and be equipped with can be with top board action and the preceding paper-sheets rolling wheel of lifting, cooperate with heading paper Kun after leading the square opening on the paper substrate seat on before preceding paper-sheets rolling wheel passes; Said right plate is provided with the eccentric wheel of apical grafting on the batten bottom face, forms gear on the eccentric sidewall, and said gear connects through the output of gear train with the motor on the right plate; Also be equipped with between the said left and right side plate be positioned at the ink gun rear after lead paper Kun, the bottom side of bearing be fixed with the back on lead the paper substrate seat, lead on the back be equipped with on the paper substrate seat with after lead the back paper-sheets rolling wheel that paper Kun cooperates.
Improvement as technique scheme; Said top board is provided with groove; Be shelved with in the groove to be shaped on its sidewall and be positioned at the paper-sheets rolling wheel frame of groove trough rim along the journal stirrup of top; Preceding paper-sheets rolling wheel is rotationally connected with the bottom of paper-sheets rolling wheel frame, and the top of paper-sheets rolling wheel frame is connected with first stage clip, and the other end apical grafting of first stage clip is led the pressing plate bottom on the paper substrate seat on being installed on.
Further improvement as technique scheme; Said stranding paper pocket-wheel by toothed wheel be injection-moulded in smooth on the toothed wheel take turns constitute and be installed in through elastic shaft before on lead in the mounting groove of paper substrate seat; The smooth top apical grafting of taking turns has briquetting; The bottom face of briquetting is provided with the groove that is used for ccontaining toothed wheel, and the top of said briquetting is connected with second stage clip, and the other end apical grafting of second stage clip is in the pressing plate bottom.
Further, the stranding paper pocket-wheel on the said elastic shaft is double the wheel.
Preferably, lead on the paper substrate seat on before said top board is articulated in through rotating shaft, rotating shaft is provided with first slot of the top board that is used to peg graft.
Further, be shaped on flange on the said top board, rotating shaft is provided with second slot of the flange that is used to peg graft.
Further, be shaped on L type batten on the said rotating shaft, the minor face of L type batten buckles in the aperture corresponding with it on the top board.
Preferably, the top end face raising of said right plate is useful on the gripper shoe of setting-up eccentricity wheel, and eccentric sidewall raising has the projection that can block the right plate top end face with eccentric swing.
Preferably, said batten is provided with extension spring, and the other end of extension spring is connected in the gear train rotating shaft on the right plate.
Further, lead on before said also to be provided with on the paper substrate seat to be positioned at and rub paper pocket-wheel and preceding paper-sheets rolling wheel guiding pocket-wheel with the hands along the paper feed direction rear.
The invention has the beneficial effects as follows: be provided with on the paper substrate seat can be according to the preceding paper-sheets rolling wheel of the automatic lifting of turnover paper state of printer through leading on preceding in the present invention; Make that the shared passage of printer turnover paper is the yi word pattern paper feed channel; Abandoned L type or the C type paper feed channel pattern on the conventional ink jet printers, reduced restriction to greatest extent the print media pliability; In addition,, can handle thicker print media easily, also can reduce the wearing and tearing of related components on the print media printer of different-thickness simultaneously, reduce or avoided the generation of paper jam phenomenon because of paper-sheets rolling wheel is an elastic floating with rubbing the paper pocket-wheel with the hands.The present invention's compactness rational in infrastructure, easy for installation, simple to operate, cost is low, long service life, print media that goes out before especially being fit to advance such as invoice etc.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is the rough schematic view of L type paper feed channel on the conventional ink jet printers;
Fig. 2 is the rough schematic view of C type paper feed channel on the conventional ink jet printers;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is the partial enlarged drawing of A among Fig. 3;
Fig. 5 is the structural representation that the present invention watches from the bottom side;
Fig. 6 is that the present invention hides ink gun, leads the structural representation of leading on paper substrate seat, the back behind paper substrate seat and the bearing on preceding;
Fig. 7 be among the present invention before on lead the paper substrate seat and go up related components from the bottom side the i.e. sketch map of contiguous print media unilateral observation;
Fig. 8 is the partial enlarged drawing of B among Fig. 7;
Fig. 9 is the structural representation of center platen of the present invention;
Figure 10 be among the present invention before on lead the mounting structure sketch map after the paper substrate seat hides pressing plate;
Figure 11 is the partial enlarged drawing of C among Figure 10;
Figure 12 is the partial enlarged drawing of D among Figure 10;
Figure 13 is the structure scheme of installation of paper-sheets rolling wheel frame and its compression spring among the present invention;
Figure 14 is the structure scheme of installation of paper-sheets rolling wheel frame and preceding paper-sheets rolling wheel among the present invention;
Figure 15 is a mounting structure sketch map of rubbing paper pocket-wheel and its upper holder block and second stage clip among the present invention with the hands;
Figure 16 is another angle sketch map of Figure 15;
Figure 17 is the structural representation of top board among the present invention;
Figure 18 is another angle sketch map of Figure 17;
Figure 19 be among the present invention before on lead the structural representation of paper substrate seat;
Figure 20 is the partial enlarged drawing of E among Figure 19;
Figure 21 is the structural representation of rotating shaft among the present invention;
Figure 22 is another angle sketch map of Figure 21;
Figure 23 leads the mounting structure sketch map of paper substrate seat on bearing on the back among the present invention;
Figure 24 is the structural representation of leading paper substrate seat and back paper-sheets rolling wheel among the present invention on the back;
Figure 25 is a right plate and go up the structural representation of related components among the present invention;
Figure 26 is another angle sketch map of Figure 25;
Figure 27 is the partial enlarged drawing of F among Figure 26;
Figure 28 is the structural representation of eccentric wheel and gear among the present invention;
Figure 29 is another angle sketch map of Figure 28;
Figure 30 is that the present invention hides the structural representation of leading on paper feeding base, bearing, left plate, the back behind paper substrate seat and the ink gun;
Figure 31 is the partial enlarged drawing of G among Figure 30;
Figure 32 is top board cutaway view (unshowned pressing plate among Figure 12 has been shown in the cutaway view) in I-I cross section among Figure 12 during not by eccentric wheel jack-up;
Figure 33 is top board cutaway view (unshowned pressing plate among Figure 12 has been shown in the cutaway view) in I-I cross section among Figure 12 during by eccentric wheel jack-up;
Figure 34 is the present invention at the paper feed state paper-sheets rolling wheel sketch map of paper feed channel during lifting not;
Figure 35 is the sketch map of the present invention's paper feed channel after the lifting of paper delivery state paper-sheets rolling wheel.
The specific embodiment
With reference to Fig. 1 ~ Figure 35; A kind of flatbed printer of the present invention; It comprises lateral paper guide 1, left plate 2, right plate 3 and bearing 4, is fixed with on the said lateral paper guide 1 to which is provided with to rub with the hands on paper pocket-wheel 5 preceding to lead paper substrate seat 6, and lateral paper guide 1 upper surface is raised with sleeve column 1 '; Before on lead paper substrate seat 6 and be provided with through hole corresponding to sleeve column 1 ', lead paper substrate seat 6 on preceding to be socketed on the sleeve column 1 '; Lead in the mounting groove 62 of paper substrate seat 6 on before said stranding paper pocket-wheel 5 is installed in through elastic shaft 20, rub with the hands paper pocket-wheel 5 by toothed wheel 51 be injection-moulded in smooth on the toothed wheel 51 and take turns 52 and constitute; On the said bearing 4 ink gun 7 is installed; Left and right side plate 2; The heading paper Kun 8 that is positioned at ink gun 7 the place aheads and cooperates with stranding paper pocket-wheel 5 is installed between 3; Lead and be hinged with top board 9 on the paper substrate seat 6 on before said, lead on the paper substrate seat 6 on before said top board 9 is articulated in through rotating shaft 23, rotating shaft 23 is provided with first slot 231 of the top board 9 that is used to peg graft.Printer is as small-sized office parts; The thinner thickness of its inner top board 9 is approximately 1mm thickness, so top board 9 is generally selected sheet metal component for use; And will on the sheet metal component of 1mm thickness, mold thick, the major axis that can supply hinged usefulness is the comparison difficulty; So lead on the paper substrate seat 6 on before top board 9 is articulated in through rotating shaft 23, certainly, also can follow closely as hinged usefulness at axle of each side riveted joint of top board 9; Before on lead paper substrate seat 6 and be provided with by projection and lead the deep-slotted chip breaker 64 that the convex ridges 63 on paper substrate seat 6 surfaces form on preceding, after installing pressing plate 19, the upper surface of pressing plate 19 sealing deep-slotted chip breakers 64 makes its pivot hole of formation to make hinged top board 9 usefulness.
Being shaped on batten 91 on the said top board 9 can move and the preceding paper-sheets rolling wheel 10 of lifting with top board 9 with being equipped with; Top board 9 is provided with groove 92; Be shelved with in the groove 92 to be shaped on its sidewall and be positioned at the paper-sheets rolling wheel frame 17 of groove 92 trough rims along the journal stirrup 171 of top; Before paper-sheets rolling wheel 10 be rotationally connected with the bottom of paper-sheets rolling wheel frame 17, paper-sheets rolling wheel frame 17 is provided with notched second deep-slotted chip breaker, 172, the second deep-slotted chip breakers 172 along the two side of paper feed direction gap width is little than the diameter of deep-slotted chip breaker; The both ends of the surface raising of preceding paper-sheets rolling wheel 10 has roller bearing 101, through roller bearing 101 preceding paper-sheets rolling wheel 10 is installed in second deep-slotted chip breaker 172 on the paper-sheets rolling wheel frame 17;
The other end apical grafting that the top of said paper-sheets rolling wheel frame 17 is connected with first stage clip, 18, the first stage clips 18 is led pressing plate 19 bottoms on the paper substrate seat 6 on before being installed on.The top end face raising of paper-sheets rolling wheel frame 17 has the sleeve column 173 of socket stage clip 18 usefulness, a blind hole also can be set on the top end face of paper-sheets rolling wheel frame 17 be used to shelve stage clip 18; Lead on the paper substrate seat 6 on before pressing plate 19 is fixed on through screw 191, install pressing plate 19 after, lead the deep-slotted chip breaker 64 on paper substrate seat 6 surfaces on before pressing plate 19 has sealed, make it become the pivot hole of a hinged usefulness; And the setting of paper-sheets rolling wheel frame 17 compression springs 18; Make when top board 9 is not lifted that preceding paper-sheets rolling wheel 10 relies on stage clip 18 to conflict on heading paper Kun 8, make that also the preceding paper-sheets rolling wheel 10 on the paper-sheets rolling wheel frame 17 can be flexible automatically according to the thickness of print media; Make whole inkjet printing function handle the print media of different-thickness preferably; Simultaneously, for thicker print media, because of preceding paper-sheets rolling wheel 10 upwards liftings; Reduced the pressure between preceding paper-sheets rolling wheel 10, print media and heading paper Kun 8 threes; Just make that also print media is less to the frictional force of heading paper Kun 8, reduced the wearing and tearing of print media, prolonged the service life of heading paper Kun 8 friction rubber ring on the heading paper Kun 8.
Square opening 61 backs of leading on before paper-sheets rolling wheel 10 passes before said on the paper substrate seat 6 cooperate with heading paper Kun 8.When top board 9 made progress lifting, the trough rim of the groove 92 on the top board 9 contacted together with the journal stirrup on the paper-sheets rolling wheel frame 17 171 and promotes preceding paper-sheets rolling wheel 10 upwards lifting in square opening 61 that paper-sheets rolling wheel frame 17 drives its lower ends, and feasible preceding paper-sheets rolling wheel 10 separates with heading paper Kun 8.
Said right plate 3 is provided with the eccentric wheel 11 of apical grafting on batten 91 bottom faces, forms gear 12 on the sidewall of eccentric wheel 11, and said gear 12 connects through the output of gear train with the motor on the right plate 3 13.When printer is in off working state and paper feed state; Conflict with batten 91 in the minor axis limit of eccentric wheel 11; When accomplishing the paper feed action and need that print media derived printer, the mainboard control motor 13 of printer is just changeing (R among Figure 27 to), and motor 13 just can and then rotate through gear set drive gear 12; Gear 12 drives eccentric wheel 11 swings integrated with it; Eccentric wheel 11 and batten 91 by the minor axis edge joint touch toward the major axis limit near, batten 91 just can be by eccentric wheel 11 jack-up, batten 91 drives top boards 9 and drives paper-sheets rolling wheel framves 17 and the up lifting of preceding paper-sheets rolling wheel 10 that is installed in paper-sheets rolling wheel frame 17 bottoms; Preceding paper-sheets rolling wheel 10 is away from heading paper Kun 8, and then printer carries out the paper delivery action; After paper delivery action is accomplished, 13 counter-rotatings of the mainboard of printer control motor, batten 91 towards the minor axis limit of eccentric wheel 11 near and finally conflict with the minor axis limit of eccentric wheel 11, preceding paper-sheets rolling wheel 10 resets, and prepares for print next time.
Also be equipped with between the said left and right side plate 2,3 be positioned at ink gun 8 rears after lead paper Kun 14, the bottom side of bearing 4 be fixed with the back on lead paper substrate seat 15, lead on the back be equipped with on the paper substrate seat 15 with after lead the back paper-sheets rolling wheel 16 that paper Kun 14 cooperates.After lead paper Kun 14 and drive by the gear train of the motor that drives heading paper Kun 8 through left plate 2 upper ends.
The course of work of the present invention is such: a. printer is in off working state and paper feed state: this moment conflicts with batten 91 in the minor axis limit of eccentric wheel 11; Preceding paper-sheets rolling wheel 10 is conflicted on heading paper Kun 8; And under the effect of stage clip 18, heading paper Kun 8 had certain pressure; During paper feed; The mechanism of paper that picks up on the printer is delivered to print media between preceding paper-sheets rolling wheel 10 and the heading paper Kun 8, and print media is sent to printer at preceding paper-sheets rolling wheel 10 under the acting in conjunction of stranding paper pocket-wheel 5 and heading paper Kun 8; The front end of print media is led on the paper Kun 14 through ink gun 7 belows and after entering into; This moment print media front end receive back paper-sheets rolling wheel 16 with after lead the frictional force effect of paper Kun 14, the frictional force effect that the rear end receives preceding paper-sheets rolling wheel 10, rub paper pocket-wheel 5 and heading paper Kun 8 with the hands is continued the importing printer down, after heading paper Kun 8 is left in the rear end of print media; Print media only back paper-sheets rolling wheel 16 with after lead under the effect of paper Kun 14 and still continue to import printer, arrive the below of ink gun 7 until the terminal print What of print media; B. print and the paper delivery state: when the terminal print What of print media arrives the below of ink gun 7; Heading paper Kun 8 with after lead paper Kun 14 backward rotation simultaneously; Heading paper Kun 8 with after lead the 14 counter-rotational whiles of paper Kun, the mainboard control motor 13 of printer rotates, motor 13 rotates through gear set drive gear 12; Gear 12 drives eccentric wheel 11 swings; Eccentric wheel 11 with batten 91 by the minor axis edge joint touch gradually to the major axis limit of eccentric wheel 11 with batten 91 contacts near, this moment batten 91 by jack-up upwards, top board 9 is upwards lifting simultaneously under the drive of batten 91; Upwards the top board 9 of lifting can be conflicted and drive paper-sheets rolling wheel frame 17 and upwards walked about with the journal stirrup 171 on paper-sheets rolling wheel frame 17 sidewalls; The preceding paper-sheets rolling wheel 10 of paper-sheets rolling wheel frame 17 bottoms just upwards lifting until preceding paper-sheets rolling wheel 10 away from heading paper Kun 8, paper-sheets rolling wheel 10 can not touch print media before making, this moment, motor 13 stopped operating; Ink gun 7 heading paper Kun 8 with after lead the paper Kun 14 counter-rotational ink dots that on print media, spray simultaneously and implement to print action; Simultaneously print media after lead under the opposition of paper Kun 14 and back paper-sheets rolling wheel 16 and move to the printer front end; Implement derivation action while printing; When the front end of print media gets into heading paper Kun 8 and its end when leading paper Kun 14 after not leaving, print media after lead under paper Kun 14 and back paper-sheets rolling wheel 16 and heading paper Kun 8 and the acting in conjunction of rubbing paper pocket-wheel 5 with the hands and derive to the printer front end exit; After after the end of print media leaves, leading paper Kun 14, print media is just finally derived printer under the effect of heading paper Kun 8 and stranding paper pocket-wheel 5; When the printer paper delivery; Because preceding paper-sheets rolling wheel 10 does not contact with print media, make that the ink marks on the print media can not scratched, do not speckle with the paper that ink marks can not stained the back yet on the preceding paper-sheets rolling wheel 10; With respect to L type and C type paper feed channel; The present invention has realized the yi word pattern paper feed channel on the ink-jet printer, and from the whole process of paper feed, printing, paper delivery, print media is open and flat all the time; Need not to consider its pliability because of the bending problem of print media; Reduced the restriction of ink-jet printer to the print media pliability to greatest extent, for the thick print media that number of C type and L type paper feed channel can't be handled, this yi word pattern paper feed channel then can easily be handled; In addition, this yi word pattern paper feed channel is that the paper passage is led in shared one of paper feed and paper delivery, realizes going out before the advancing of print media, and especially is suitable for the printing of invoice etc.
Improvement as above-mentioned embodiment; The smooth 52 top apical graftings of taking turns of said stranding paper pocket-wheel 5 have briquetting 21; The bottom face of briquetting 21 is provided with the groove 211 that is used for ccontaining toothed wheel 51, and the top of said briquetting 21 is connected with the other end apical grafting of second stage clip, 22, the second stage clips 22 in pressing plate 19 bottoms.The setting of the briquetting 21 and second stage clip 22; Lead on the paper substrate seat 6 on before making stranding paper pocket-wheel 5 elasticity be installed on; When printer paper feed and paper delivery action, rubbing paper pocket-wheel 5 with the hands can be flexible according to the thickness of print media, makes for thin print media; Rub paper pocket-wheel 5 with the hands and can compress heading paper Kun 8 downwards; Make printer have enough frictional force print media is derived printer, also guaranteed the paper feed precision of print media when only relying on stranding paper pocket-wheel 5 to send print media simultaneously, guarantee the printing precision of the terminal several row of print media; For thicker print media, rub the 5 upwards liftings of paper pocket-wheel with the hands, reduced the frictional force of print media to heading paper Kun 8, also just reduced wearing and tearing to friction rubber ring on the heading paper Kun 8, prolonged the service life of heading paper Kun 8.
As the further improvement of above-mentioned embodiment, the stranding paper pocket-wheel 5 on the said elastic shaft 20 is double the wheel.Promptly on an elastic shaft 20; With conventional printer by one smooth take turns stranding paper pocket-wheel that 52 and pocket-wheels 51 constitute change on an elastic shaft 20, install two groups smooth take turns 52 with pocket-wheel 51; Increased the frictional force that print media receives, lead paper Kun 14 after particularly the end of print media leaves when the paper delivery state after, less because of rubbing paper pocket-wheel 5 with the hands with the frictional force of print media; Can't guarantee the paper feed precision; Be easy to cause the type information at print media end deviation to occur, and through two pocket-wheels 51 are set on an elastic shaft, the frictional force that has received when having increased the print media paper delivery; Reduce the error of paper feed precision, improved print quality.
Further, be shaped on flange 93 on the said top board 9, rotating shaft 23 is provided with second slot 232 of the flange 93 that is used to peg graft.Driving top boards 9 at eccentric wheel 11 is that pivot is when doing the overturning and lifting action with rotating shaft 23; Consider that top board 9 is sheet metal component,, make top board 9 stressed evenly and be difficult for deforming for guaranteeing top board 9 flatness after stressed; One-body moldedly on said top board 9 go out a flange 93; Flange 93 has played the effect of reinforcement as important stressed member, has guaranteed that top board 9 can not deform after stressed; Be provided with arc transiting surface 234 between the two sides parallel on the rotating shaft 23 with second slot 232 and first slot 231; Lead paper substrate seat 6 and be provided with the 3rd deep-slotted chip breaker 65 on before said, avoid when rotating shaft 23 rotates and lead paper substrate seat 6 on preceding and block corresponding to arc transiting surface 234.
Further, be shaped on L type batten 233 on the said rotating shaft 23, the minor face 2331 of L type batten 233 buckles in the aperture corresponding with it on the top board 9.L type batten 233 contacts with top board 9, has increased top board 9 with the contact area between the rotating shaft 23, makes top board 9 when overturning and lifting, and the power that rotating shaft 23 acts on the top board 9 is more even, has further protected the top board 9 as sheet metal component to prevent its stress deformation.
Preferably, the top end face raising of said right plate 3 is useful on the gripper shoe 31 of setting-up eccentricity wheel 11, and the sidewall raising of eccentric wheel 11 has the projection 111 that can block right plate 3 top end faces with the swing of eccentric wheel 11.When not carrying out print job, conflict in batten 91 bottoms in the minor axis limit of eccentric wheel 11, and projection 11 is connected on the top end face of right plate 3; Upwards lifting is in order to avoid when scratching the ink marks on the print media with preceding paper-sheets rolling wheel 10 when the beginning print job needs, and the mainboard control motor 13 of printer is just changeing (R among Figure 27 to), and motor 13 rotates through gear set drive gear 12; Eccentric wheel 11 is followed gear 12 swings, and eccentric wheel 11 is touched to the major axis edge joint by the minor axis edge joint with batten 91 and touches transition, so batten 91 is by the jack-up that makes progress; Batten 91 can drive preceding paper-sheets rolling wheel mounted thereto 10 and make progress lifting away from the heading paper Kun 8 corresponding with it;, after current paper-sheets rolling wheel 10 rose to predetermined preceding paper-sheets rolling wheel and can not scratch the position of ink marks on the print media, the mainboard of printer was just controlled motor 13 and is stopped operating; Eccentric wheel 11 was put a ρ angle at this moment; Printer is accomplished the paper delivery action then, and print media is not because of contacting with preceding paper-sheets rolling wheel 10, and the ink marks on it can not scratched; After printer is accomplished the paper delivery action; Mainboard control motor 13 counter-rotatings of printer; Make motor 13 drive eccentric wheels 11 swings, eccentric wheel 11 arrives minor axis limit and batten 91 on it again during contact position, and motor 13 stops operating; Eccentric wheel 11 was oppositely put the ρ angle, and whole printer resets to treats print state; But, in the process of motor 13 at forward or reverse, the printer phenomenon of cutting off the power supply suddenly; Motor 13 loses electric power and stops operating, for this moment eccentric wheel 11 just changeed ρ ' angle, when printer connect with the mains restart after; Just changeed the situation at ρ ' angle for eccentric wheel; The mainboard of printer just can be controlled motor 13 and drive eccentric wheel 11 continuation swing ρ angles, and at this moment, eccentric wheel 11 was put ρ+ρ ' angle altogether; Make on the eccentric wheel 11 contact edge with batten 91 continue more major axis limit near eccentric wheel 11; Be that batten 91 has been exceeded predetermined height by the height of eccentric wheel 11 jack-up, this can damage the related components that links to each other with preceding paper-sheets rolling wheel 10, reduces its life-span greatly; In addition, after eccentric wheel 11 turned over ρ+ρ ' angle, printer was accomplished paper delivery work; After accomplishing paper delivery work, the mainboard of printer can be controlled motor 13 counter-rotatings, and motor 13 drives ρ angle of eccentric wheel 11 counter-rotatings; But this moment, batten 91 did not touch with the minor axis edge joint of eccentric wheel 11; Make be installed in that preceding paper-sheets rolling wheel 10 on the paper-sheets rolling wheel frame 17 still is in the lifting state and with do not contact with its corresponding heading paper Kun 8, cause when printer next round paper feed moves, the paper feed frictional force of printer is not enough; The paper feed precision of printer is affected, and print quality also just is affected; After the next round paper feed of printer was accomplished, the mainboard control motor 13 of printer was just changeing the ρ angle, the position of eccentric wheel 11 when be in off working state eccentric wheel 11 minor axis limits with batten 91 conflicts with respect to printer this moment; Eccentric wheel 11 has turned over ρ+ρ ' angle altogether; After treating that motor 13 counter-rotating drive eccentric wheels were put the ρ angle, still conflict with batten 91 in the minor axis limit of eccentric wheel 11, when follow-up paper feed action; Preceding paper-sheets rolling wheel 10 does not still work the paper effect of leading; So back and forth, paper-sheets rolling wheel 10 loses the paper effect of leading before making, can't guarantee the paper feed precision of print media.
For the reversed situation at ρ ' angle of eccentric wheel; After printer was restarted, the mainboard of printer can be controlled motor 13 and drive eccentric wheels and continue oppositely to put the ρ angle, promptly batten 91 earlier gradually to the minor axis limit of eccentric wheel 11 near; After eccentric wheel was put ρ-ρ ' angle; Batten 91 touches with the minor axis edge joint of eccentric wheel 11, and motor 13 continues to drive the remaining ρ ' of eccentric wheel 11 swings, and this moment, batten 91 left eccentric minor axis limit; Batten 91 is again by jack-up, and paper-sheets rolling wheel 10 does not work the paper effect of leading when making the next round paper feed; Treat that printer accomplishes when needing after the work of next round paper feed print media derived; The mainboard control motor 13 of printer is just changeing drive eccentric wheel 11 and was putting the ρ angle; Batten 91 is earlier through the minor axis limit of eccentric wheel 11, and away from the minor axis limit of eccentric wheel 11, eccentric wheel 11 was only put ρ-ρ ' angle with respect to minor axis limit and batten 91 position contacting again; Make batten 91 not be lifted to predetermined height; Paper-sheets rolling wheel 10 can scratch the ink marks on the print media before this moment, makes the print image distortion, reduces print quality.
And the setting of projection 111 among the present invention; When after the printer outage, connecting with the mains again, the mainboard control motor 13 of printer drives eccentric wheel 11 and turns over ρ-ρ ' angle, makes eccentric wheel 11 arrive the preestablished limit position; When motor 13 continuation driving eccentric wheels 11 wait to turn over remaining ρ ' angle; Projection 111 just can with the top end face clamping of right plate 3, impel eccentric wheel 11 can't continue the swing, eccentric wheel 11 feeds back to motor 13 with the result of the action; Make motor 13 also can't be rotated further; 11 of eccentric wheels can push up predetermined height with batten 91 like this, and after printer was accomplished the paper delivery action, the mainboard of printer can be controlled motor 13 counter-rotatings (to just changeing powering-off state behind the ρ ' angle) or just change (to powering-off state behind the counter-rotating ρ angle) and drive eccentric wheel 11 regular events; Paper-sheets rolling wheel 10 works the paper effect of leading before making when paper feed, lifting when paper delivery and do not scratch ink marks.
The setting of projection 111 among the present invention; Make eccentric wheel 11 in the angular range of setting, to swing, avoided because of behind the printer power-off restarting, the misoperation of paper-sheets rolling wheel 10 before the angular range that eccentric wheel 11 turns over setting causes and before causing when the printer paper feed paper-sheets rolling wheel 10 do not work the paper effect of leading; When the printer paper delivery; Preceding paper-sheets rolling wheel 10 contacts with print media and scratches the phenomenon of printing ink marks, has guaranteed the regular event of preceding paper-sheets rolling wheel 10, has improved print quality.
Further, said batten 91 is provided with extension spring 24, and the other end of extension spring 24 is connected in the gear train rotating shaft on the right plate 3.For guaranteeing that the top board 9 behind the overturning and lifting can reset; Make top board 9 that the trend of a falling arranged behind overturning and lifting all the time; One extension spring 24 preferably is installed on batten 91, and the other end of extension spring 24 is socketed in the rotating shaft of a gear in the gear train on the right plate 3, and extension spring 24 makes batten 91 contact with the periphery of eccentric wheel 11 all the time; Avoided between batten 91 and the eccentric wheel 11 noise in the process of eccentric wheel 11 actions, occurring: in the processes that top board 9 falls after rise downwards because of real-time contact not; Preceding paper-sheets rolling wheel 10 just no longer falls with heading paper Kun 8 contact back paper-sheets rolling wheel framves 17, and 171 pairs of top boards 9 of journal stirrup this moment have lost the power that makes top board 9 whereabouts, and top board 9 falls fully; Batten 91 does not contact with eccentric wheel 11; If the stretching action of no extension spring 24, top board 9 may can't continue greatly to fall because of the frictional force that turning cylinder 23 is led paper substrate seat 6 hinged places on the same, contacts with 91 moments of batten when causing next round eccentric wheel 11 to swing and produces noise.
In addition; For the situation that extension spring 24 has been installed on batten 91; Can with preceding paper-sheets rolling wheel 10 as will back paper-sheets rolling wheel 16 be fixed on lead on the paper substrate seat 15 on the back the same (back paper-sheets rolling wheel 16 be fixed on after on the fixed form led on the paper substrate seat 15 be the fixed form of paper-sheets rolling wheel on the conventional printer; Non-technical essential of the present invention is no longer launched to give unnecessary details here) be fixed on before on lead on the paper substrate seat 6, and not will before paper-sheets rolling wheel 10 flexibly connect with top board 9 through journal stirrup 171 on paper-sheets rolling wheel frame 17, paper-sheets rolling wheel frame 17 sidewalls and stage clip 18; In the time of can being implemented in the printer paper feed equally; Before paper-sheets rolling wheel 10 implement to lead the paper effect being pressed under the effect of stage clip 24 pulling force on the heading paper Kun 8, when paper delivery, preceding paper-sheets rolling wheel 10 prevents to scratch the purpose of ink marks on the print media away from heading paper Kun 8 under the effect of top board 9 and eccentric wheel 11.
Further, lead on before said also to be provided with on the paper substrate seat 6 to be positioned at and rub paper pocket-wheel 5 and the guiding pocket-wheel 25 of preceding paper-sheets rolling wheel 10 with the hands along the paper feed direction rear.When print media is implemented to print for 7 times with the ink gun of preceding paper-sheets rolling wheel 10 back entering printer through rubbing paper pocket-wheel 5 with the hands; To the ink gun 7 certain distance is arranged from rubbing paper pocket-wheel 5 and preceding paper-sheets rolling wheel 10 with the hands, print media can be because the fold of its end, perk etc. make print media not pass through from ink gun 7 bottoms, but contact with the sidewall of ink gun 7; Cause paper jam phenomenon; So the setting of guiding pocket-wheel 25 among the present invention makes print media leave stranding paper pocket-wheel 5 and preceding paper-sheets rolling wheel 10 backs can be accurately below ink gun 7 under the guiding function of guiding pocket-wheel 25; And can not contact with ink gun 7 sidewalls, avoid the generation of paper jam phenomenon.
The above be preferred embodiments of the present invention, but the present invention is not limited to the foregoing description, as long as it reaches technique effect of the present invention with any same or similar means, all should fall within protection scope of the present invention.
Claims (10)
1. flatbed printer; Comprise lateral paper guide (1), left plate (2), right plate (3) and bearing (4); Be fixed with on the said lateral paper guide (1) to which is provided with to rub with the hands on paper pocket-wheel (5) preceding and lead paper substrate seat (6); Ink gun (7) is installed on the bearing (4); The heading paper Kun (8) that is positioned at ink gun (7) the place ahead and cooperates with stranding paper pocket-wheel (5) is installed between the left and right side plate (2,3), it is characterized in that: lead on said and be hinged with top board (9) on the paper substrate seat (6); Being shaped on batten (91) on the top board (9) and being equipped with can be with top board (9) action and the preceding paper-sheets rolling wheel (10) of lifting, and square opening (61) back of leading on the paper substrate seat (6) on before preceding paper-sheets rolling wheel (10) passes cooperates with heading paper Kun (8); Said right plate (3) is provided with the eccentric wheel (11) of apical grafting on batten (91) bottom face; Form gear (12) on the sidewall of eccentric wheel (11), said gear (12) connects through the output of the motor (13) on the same right plate of gear train (3); Said left and right side plate (2; 3) also be equipped with between be positioned at ink gun (8) rear after lead paper Kun (14); The bottom side of bearing (4) be fixed with the back on lead paper substrate seat (15), lead on the back be equipped with on the paper substrate seat (15) with after lead the back paper-sheets rolling wheel (16) that paper Kun (14) cooperates.
2. according to the described a kind of flatbed printer of claim; It is characterized in that: said top board (9) is provided with groove (92); Be shelved with in the groove (92) to be shaped on its sidewall and be positioned at the paper-sheets rolling wheel frame (17) of groove (92) trough rim along the journal stirrup (171) of top; Preceding paper-sheets rolling wheel (10) is rotationally connected with the bottom of paper-sheets rolling wheel frame (17); The top of paper-sheets rolling wheel frame (17) is connected with first stage clip (18), and the other end apical grafting of first stage clip (18) is led pressing plate (19) bottom on the paper substrate seat (1) on being installed on.
3. a kind of flatbed printer according to claim 2; It is characterized in that: said stranding paper pocket-wheel (5) is by toothed wheel (51) and be injection-moulded in that smooth wheel the (52) on the toothed wheel (51) constitutes and be installed in through elastic shaft (20) and lead in the mounting groove (62) of paper substrate seat (6) on preceding; The smooth wheel (52) top apical grafting has briquetting (21); The bottom face of briquetting (21) is provided with the groove (211) that is used for ccontaining toothed wheel (51); The top of said briquetting (21) is connected with second stage clip (22), and the other end apical grafting of second stage clip (22) is in pressing plate (19) bottom.
4. a kind of flatbed printer according to claim 3 is characterized in that: the stranding paper pocket-wheel (5) on the said elastic shaft (20) is double the wheel.
5. a kind of flatbed printer according to claim 1 is characterized in that: lead on the paper substrate seat (6) on before said top board (9) is articulated in through rotating shaft (23), rotating shaft (23) is provided with first slot (231) of the top board (9) that is used to peg graft.
6. a kind of flatbed printer according to claim 5 is characterized in that: be shaped on flange (93) on the said top board (9), rotating shaft (23) is provided with second slot (232) of the flange (93) that is used to peg graft.
7. according to claim 5 or 6 described a kind of flatbed printers, it is characterized in that: be shaped on L type batten (233) on the said rotating shaft (23), the minor face (2331) of L type batten (233) buckles into top board (9) and goes up in the aperture corresponding with it.
8. a kind of flatbed printer according to claim 1; It is characterized in that: the top end face raising of said right plate (3) is useful on the gripper shoe (31) of setting-up eccentricity wheel (11), and the sidewall raising of eccentric wheel (11) has the projection (111) that can block right plate (3) top end face with the swing of eccentric wheel (11).
9. a kind of flatbed printer according to claim 1 is characterized in that: said batten (91) is provided with extension spring (24), and the other end of extension spring (24) is connected in the gear train rotating shaft on the right plate (3).
10. a kind of flatbed printer according to claim 1 is characterized in that: lead on before said also to be provided with on the paper substrate seat (6) to be positioned at and rub paper pocket-wheel (5) and preceding paper-sheets rolling wheel (10) the guiding pocket-wheel (25) along the paper feed direction rear with the hands.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210066420.0A CN102616006B (en) | 2012-03-13 | 2012-03-13 | Flat-bed printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210066420.0A CN102616006B (en) | 2012-03-13 | 2012-03-13 | Flat-bed printer |
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| CN102616006A true CN102616006A (en) | 2012-08-01 |
| CN102616006B CN102616006B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210066420.0A Active CN102616006B (en) | 2012-03-13 | 2012-03-13 | Flat-bed printer |
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| CN103042829A (en) * | 2013-01-15 | 2013-04-17 | 新会江裕信息产业有限公司 | Front-in front-out ink-jet printing equipment |
| CN103085477A (en) * | 2013-01-15 | 2013-05-08 | 新会江裕信息产业有限公司 | Ink-jet printing device used for continuously printing media |
| CN105128544A (en) * | 2015-09-01 | 2015-12-09 | 宁波荣大昌办公设备有限公司 | Paper conveying structure under ink jetting area |
| CN106042667A (en) * | 2015-04-01 | 2016-10-26 | 精工爱普生株式会社 | Printer |
| CN107097539A (en) * | 2013-11-12 | 2017-08-29 | 精工爱普生株式会社 | Printer |
| CN114161845A (en) * | 2021-01-28 | 2022-03-11 | 河南奥德利数码科技有限公司 | Hot melting printing engineering drawing paper splicing cooling, guiding and slitting system |
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| CN105128544A (en) * | 2015-09-01 | 2015-12-09 | 宁波荣大昌办公设备有限公司 | Paper conveying structure under ink jetting area |
| CN114161845A (en) * | 2021-01-28 | 2022-03-11 | 河南奥德利数码科技有限公司 | Hot melting printing engineering drawing paper splicing cooling, guiding and slitting system |
| CN114161845B (en) * | 2021-01-28 | 2023-10-27 | 河南印都数码科技有限公司 | System for cooling, guiding and cutting thermal melting printing engineering drawing paper |
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