The utility model content
The purpose of this utility model is to provide a kind of can avoid the paper delivery mechanism of printing paper jam when moving back paper and the printing equipment with this paper delivery mechanism.
For achieving the above object, according to an aspect of the present utility model, a kind of paper delivery mechanism is provided, comprise: enter the paper passage, comprise: be fixed on the stationary conduit plate on the frame of paper delivery mechanism, and being articulated in movable channel plate on frame, the pivot end of movable channel plate is positioned at the porch into the paper passage; Feed roller assembly along paper feed direction, is positioned at the downstream into the paper passage, comprises being oppositely arranged and the first transfer roller and second transfer roller of tangent cooperation; And appearance paper space, at feed roller assembly with enter between the paper passage, wherein, movable channel plate has with stationary conduit plate butt enter the primary importance of paper passage with closure and leave the stationary conduit plate to open the second place into the paper passage, and when movable channel plate was positioned at the second place, the opening that holds paper space was relative with the stationary conduit plate.
Further, also comprise and make above-mentioned movable channel plate enter the flexible member of paper passage with closure towards the deflection of stationary conduit plate.
Further, the difference in height that has setting between the points of tangency of above-mentioned the first transfer roller and the second transfer roller and movable channel plate and stationary conduit plate abutment.
Further, the relative part of the opening with holding paper space of above-mentioned stationary conduit plate is provided with the paper feed guide part.
Further, above-mentioned stationary conduit plate also be included in feed roller assembly enter that the paper side forms move back the paper guide part.
Further, also be included in the paper detecting sensor of the paper delivery side setting of above-mentioned feed roller assembly.
Further, above-mentioned flexible member is torsion spring.
Further, above-mentioned stationary conduit plate is in the upside into the paper passage, and movable channel plate is in the downside into the paper passage, holds the below that paper space is positioned at movable channel plate.
Further, above-mentioned stationary conduit plate is in the downside into the paper passage, and movable channel plate is in the upside into the paper passage, holds the top that paper space is positioned at movable channel plate.
According on the other hand of the present utility model, a kind of printing equipment also is provided, comprise paper roll supporting component, print components, the cut paper assembly of arranging along page orientation and be positioned at that cut paper assembly downstream arranges according to paper delivery mechanism described above.
In the utility model, the provided upstream of feed roller assembly be equipped with the stationary conduit plate that is fixedly connected with frame and with the movable channel plate of frame pivot joint, what form printing paper between stationary conduit plate and movable channel plate enters the paper passage.When moving back paper, movable channel plate is subjected to flexible member or Action of Gravity Field to turn to the primary importance that sealing enters the paper passage, therefore printing paper swimmingly the opening rollback of calm paper space to holding paper space, prevented that effectively printing paper can't enter the problem of holding paper space in moving back the paper process; Further, owing to having the difference in height of setting between the points of tangency of the first transfer roller of feed roller assembly and the second transfer roller and movable channel plate and stationary conduit plate abutment, this difference in height can make crooked printing paper enter swimmingly feed roller assembly along the paper feed guide part of stationary conduit plate, therefore, paper delivery mechanism of the present utility model can also avoid crooked printing paper can not enter feed roller assembly in the paper feed process and jam in the problem of holding the paper opening part.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.The below is described in further detail the utility model with reference to figure.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 2 is the schematic diagram according to the paper delivery mechanism of the utility model the first embodiment.As shown in Figure 2, paper delivery mechanism comprisesstationary conduit plate 1,movable channel plate 2, flexible member 3,feed roller assembly 4 andmotor 5, andpaper detecting sensor 6.
Stationary conduit plate 1 is fixedly connected with the frame of paper delivery mechanism, and the first end ofmovable channel plate 2 is by the frame pivot joint of rotatingshaft 21 with paper delivery mechanism, and the second end is unsettled.Betweenstationary conduit plate 1 andmovable channel plate 2 be printing paper enter the paper passage.
The first end ofmovable channel plate 2 andstationary conduit plate 1 be setpoint distance apart, is formed into the entrance P (being the entrance of paper delivery mechanism) of paper passage between both.When 21 rotation around the shaft ofmovable channel plate 2, the second end ofmovable channel plate 2 can or separate withstationary conduit plate 1 butt, has the sealing primary importance that enters the paper passage and the second place of opening into the paper passage.The quantity of flexible member 3 is at least one, the one end is connected withmovable channel plate 2, the other end is connected with the frame of paper delivery mechanism, and under the effect of flexible member 3,movable channel plate 2 exists all the time to the movement tendency thatstationary conduit plate 1 rotates and closure enters the paper passage withstationary conduit plate 1 butt.
In the situation that be not subjected to External Force Acting, under the effect of flexible member 3, the second end ofmovable channel plate 2 coordinates withstationary conduit plate 1 butt, andmovable channel plate 2 is positioned at the primary importance that sealing enters the paper passage; Whenmovable channel plate 2 was subject to the printing paper thrust,movable channel plate 2 is 21 rotations around the shaft, and the second end ofmovable channel plate 2 separates withstationary conduit plate 1, andmovable channel plate 2 is positioned at the second place of opening into the paper passage.
Along printing paper direction of advance (being paper feed direction),feed roller assembly 4 is positioned at the downstream into the paper passage, and it enters the paper side near entering the paper passage, and its paper delivery side is connected with the outlet Q of paper delivery mechanism, for delivery of printing paper.Feed roller assembly 4 comprises and being oppositely arranged and thefirst transfer roller 41 andsecond transfer roller 42 of tangent cooperation, and one in both is drive roll, and another is driven voller.Feed roller assembly 4 and entering is provided with between the paper passage and holds paper space C.Whenmovable channel plate 2 is positioned at the second place of opening into the paper passage,movable channel plate 2 andfeed roller assembly 4 spacing certain distances, the opening D that holds paper space C is relative with stationary conduit plate 1.Preferably, along holding paper space C short transverse, has the difference in height h of setting between the points of tangency of thefirst transfer roller 41 and thesecond transfer roller 42 andmovable channel plate 2 andstationary conduit plate 1 abutment.The relative part of opening D with holding paper space C ofstationary conduit plate 1 is provided with paper feed guide part 11.In the present embodiment, thefirst transfer roller 41 is driven voller, and thesecond transfer roller 42 is drive roll.
Drive roll inmotor 5 andfeed roller assembly 4 is in transmission connection, in the present embodiment,motor 5 and thesecond transfer roller 42 are in transmission connection, can drive thesecond transfer roller 42 clockwise or be rotated counterclockwise, make the printing paper between thefirst transfer roller 41 and thesecond transfer roller 42 advance or retreat.
Between the exit slot Q offeed roller assembly 4 and paper delivery mechanism, also be provided withpaper detecting sensor 6, whether arrive the precalculated position for detection of printing paper, carry out corresponding actions thereby controlmotor 5.
During original state, the second end ofmovable channel plate 2 coordinates withstationary conduit plate 1 butt, andmovable channel plate 2 is positioned at the primary importance that sealing enters the paper passage.
During paper feed, the paper of printing paper promotesmovable channel plate 2 and is rotated to the second place by primary importance, make into the paper passage and open, whenmovable channel plate 2 is positioned at the second place, the second end ofmovable channel plate 2 and the points of tangency of thefirst transfer roller 41 and thesecond transfer roller 42 are at a distance of setpoint distance, be to enter the opening D that holds paper space C both, the paper of printing paper enters betweenfirst transfer roller 41 and thesecond transfer roller 42 offeed roller assembly 4 along the paperfeed guide part 11 of stationary conduit plate 1.In addition, owing to having the difference in height h of setting between the points of tangency of thefirst transfer roller 41 and thesecond transfer roller 42 andmovable channel plate 2 andstationary conduit plate 1 abutment, even printing paper is crooked, also can utilize this difference in height to enterfeed roller assembly 4.
When holding paper, stop operating after the paper offeed roller assembly 4 clamping printing papers, the printing paper that is entered by entrance P is transported betweenfeed roller assembly 4 andmovable channel plate 2 constantly, and formation is piled up, at this moment, it is constant thatmovable channel plate 2 remains on the second place, and the printing paper of accumulation is temporarily stored in and holds in paper space C by the opening D that the holds paper space C shape that takes the shape of the letter U.
When moving back paper, the paper tail of printing paper breaks away frommovable channel plate 2,movable channel plate 2 under flexible member 3 elastic force effects automatic turning to primary importance,movable channel plate 2 sealing that is positioned at primary importance enters the paper passage, thus printing paper swimmingly the opening D rollback of calm paper space C to holding paper space C.
Need to prove, for the paper that guarantees printing paper can promotemovable channel plate 2 upsets in course of conveying, the elastic force of General Requirements flexible member 3 is the smaller the better, therefore as long as guarantee that the elastic force of flexible member 3 can overcome the gravity ofmovable channel plate 2, makesmovable channel plate 2 can be parked in primary importance and gets final product.The elastic force of flexible member 3 needs the weight design according tomovable channel plate 2, when adopting plastic material asmovable channel plate 2, weight is lighter, the elastic force of flexible member 3 can be designed as about 0.5N~1N, if when adopting metal material, weight is heavier, can the corresponding increase with the elastic force of flexible member 3, as be designed to 1N~2N.
Need to prove, the surface ofmovable channel plate 2, and can also be provided with at least one tray paper muscle that extends along the printing paper throughput direction on the surface ofstationary conduit plate 1, and make the conveying frictional force of printing paper little, move smooth and easy.
Need to prove,stationary conduit plate 1 also can be included infeed roller assembly 4 enter that the paper side forms move backpaper guide part 12, it is preferably curved that this moves backpaper guide part 12, changes the rollback direction of printing paper, is used for the printing paper offeed roller assembly 4 rollbacks is directed in appearance paper space C.
In the present embodiment, along the printing paper throughput direction,stationary conduit plate 1 is positioned at the top of printing paper, andmovable channel plate 2 is positioned at the below of printing paper, therefore will hold the below that paper space C is arranged onmovable channel plate 2, i.e. the below of printing paper transfer passage.
In other embodiments, can alsostationary conduit plate 1 be arranged on the below of printing paper along the printing paper throughput direction,movable channel plate 2 is arranged on the top of printing paper, can be arranged on appearance paper space C the top ofmovable channel plate 2, the i.e. top of printing paper transfer passage this moment.
Fig. 3 is the printing equipment with paper delivery mechanism that the utility model provides.As shown in Figure 3, printing equipment comprisesprint components 100,cut paper assembly 200 andpaper delivery mechanism 300, and paper roll supporting component 400.Wherein paperroll supporting component 400 is used for supporting the roll R of printing use;Print components 100 is positioned at paperroll supporting component 400 downstreams, is used for print image or word on printing paper R;Cut paper assembly 200 is used for completing the printing paper cut-out of printing;Paper delivery mechanism 300 is used for temporary printing paper before printing is completed, and reclaims the printing paper that the user forgets.
In the present embodiment,print components 100 is the hot print assembly, comprises being positioned atprinthead 110 and theprinting rubber roller 120 that passage both sides are oppositely arranged.During printing, printing paper R passes through betweenprinthead 110 andprinting rubber roller 120,printing rubber roller 120 drives printing paper to printcomponents 100 downstreams conveyings when supporting printing paper andprinthead 110 coordinates,printhead 110 prints image or word continuously on printing paper simultaneously.In other embodiment of the present utility model, print components can also be the types such as pin type, ink-jet or laser, be well known to those skilled in the art because the print components such as traditional pin type, ink-jet, laser arrange form, and its setting is little with the utility model relevance, therefore repeats no more.
Cutter assembly 200 is positioned at the downstream of print components 10, comprise thefixed blade 210 and themovable blade 220 that are oppositely arranged, printing paper R passes betweenfixed blade 210 andmovable blade 220, the relativefixed blade 210 ofmovable blade 220 is done linear reciprocating motion, can cut off printing paper, it is separated with paper roll.
Paper delivery mechanism 300 is positioned at the downstream ofcutter assembly 200, and its entrance P is connected with the exit slot of cutter assembly 200.The specific embodiment ofpaper delivery mechanism 300 please refer in specification the description to Fig. 2, no longer repeats herein.Introduce the printing equipment course of work of using the utility model paper delivery mechanism below in conjunction with Fig. 4 to Fig. 6.
Fig. 4 is the view of printing equipment movable channel plate when paper feed shown in Figure 3.As shown in Figure 4, after printing equipment is received print command, whenprinthead 110 prints on printing paper, printingrubber roller 120 drives printing papers to printcomponents 100 downstream advance, and printing paper R enterspaper delivery mechanism 300 by the entrance P ofpaper delivery mechanism 300 after pass between the fixedblade 210 ofcutter assembly 200 andmovable blade 220.
the paper of printing paper R is with after themovable channel plate 2 that is positioned at primary importance contacts, promotemovable channel plate 2 and overcome the elastic force of flexible member 3 to the direction rotation away fromstationary conduit plate 1, the paper passage that enters of printing paper is opened, whenmovable channel plate 2 rotates to the second place, printing paper R successfully is delivered betweenfirst transfer roller 41 and thesecond transfer roller 42 offeed roller assembly 4 along the paperfeed guide part 11 ofstationary conduit plate 1, simultaneously,motor 5 drives thesecond transfer roller 42 and rotates along paper feed direction, printing paper is carried to outlet Q direction, whenpaper detecting sensor 6 detects printing paper and exists, feedroller assembly 4 stops operating.
Fig. 5 is the view of printing equipment shown in Figure 3 movable channel plate when holding paper.As shown in Figure 5, afterfeed roller assembly 4 stopped operating, printingrubber roller 12 drove printing paper and moves on, andmovable channel plate 2 remains on the second place at this moment, the opening D of the calm paper space C of printing paper enters and holds paper space C, is " U " type shape and temporarily is kept in appearance paper space C.
Fig. 6 is the view of printing equipment movable channel plate when moving back paper shown in Figure 3.As shown in Figure 6, after printing end,cutter assembly 200 cuts off printing paper, simultaneously,motor 5 drives thesecond transfer roller 42 and continues rotation along paper feed direction, drives printing paper and is spued by exit slot Q gradually, untilfeed roller assembly 4 is only clamped the afterbody of printing paper, at this moment,movable channel plate 2 is subjected to the resilient force of flexible member 3, returns to primary importance.After waiting for setting-up time, if printing paper does not have removed,motor 5 drives thesecond transfer roller 42 along moving back the paper direction rotation, at this moment,movable channel plate 2 is subjected to the effect of flexible member 3 to be positioned at primary importance, and the second end ofmovable channel plate 2 coordinates withstationary conduit plate 1 butt, sealed the paper passage, therefore the printing paper of rollback can enter by the opening D that holds paper space C swimmingly and hold paper space C, falls into the preservation of paper delivery mechanism internal recovering, thereby has effectively avoided the leakage of user profile.
Fig. 7 is the schematic diagram according to the paper delivery mechanism of the utility model the second embodiment.As shown in Figure 7, the present embodiment is compared difference with a upper embodiment and is, in the present embodiment along the printing paper throughput direction,stationary conduit plate 1 is arranged on the below of printing paper,movable channel plate 2 is arranged on the top of printing paper,movable channel plate 2 relies on deadweight to 1 rotation of stationary conduit plate and coordinates withstationary conduit plate 1 butt, does not therefore need to arrange flexible member 3.
Be arranged on the upside of printing paper transfer passage owing to holding paper space C in the present embodiment, so can adapt to user's different spaces instructions for use, improved the adaptability of paper delivery mechanism.
By above description as seen, paper delivery mechanism of the present utility model, when moving back paper, movable channel plate is subjected to the flexible member effect to turn to the primary importance that sealing enters the paper passage, therefore, printing paper calm paper opening rollback swimmingly to holding paper space, has prevented that effectively printing paper can't enter the problem of holding paper space in moving back the paper process; Further, owing to having the difference in height of setting between the points of tangency of the first transfer roller of feed roller assembly and the second transfer roller and movable channel plate and stationary conduit plate abutment, this difference in height can make crooked printing paper enter swimmingly feed roller assembly along the paper feed guide part of stationary conduit plate, therefore, paper delivery mechanism of the present utility model can also avoid crooked printing paper can not enter feed roller assembly in the paper feed process and jam in the problem of holding the paper opening part.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.