CN100415533C

CN100415533C - Automatic aligning device of printer

Info

Publication number: CN100415533C
Application number: CNB200510011020XA
Authority: CN
Inventors: 李丹
Original assignee: YUNNAN NANTIAN ELECTRONIC INFORMATION INDUSTRY Co Ltd
Current assignee: Shanghai Nantian computer system Co., Ltd.; Yunnan Nantian electronic Chengdu Westone Information Industry Inc
Priority date: 2005-09-16
Filing date: 2005-09-16
Publication date: 2008-09-03
Anticipated expiration: 2025-09-16
Also published as: CN1931593A

Abstract

The automatic aligning device of printer includes one printing medium entering passage, one signal receiver set below the passage and with lower paper twisting wheel set and aligning light sensitive tube, one lower platform for the transmitting fiber, one upper paper twisting wheel set, one driving gear in the end of the lower paper twisting wheel set, one power transmitting belt driving the driving gear and one motor. It features the upper paper twisting wheel set on the movable carriage separated from the bottom frame, the balls in the slot on the bottom frame and the movable carriage connected to the elevating paper stopper. The present invention may be used to align and feed various printing mediums of different materials, different sizes and different thickness to ensure high printing quality and precision.

Description

The automatic aligning apparatus of printer

Technical field

The present invention relates to a kind of automatic aligning apparatus of printer, belong to printer Design and manufacturing technology field.

Background technology

Present existing bankbook, media printer such as bill, when needs are printed different size, during the medium of different-thickness, must be by manual with bankbook, print media such as bill are filled in the printer inlet, fill in along inlet left side or right side edge again, if misoperation, then can cause print media crooked in printer, be difficult to align with want printed contents, this both can cause the covering of print What, dislocation, more can directly influence the content of these bills, or even the probative effect of bill, also can give bank simultaneously, the tax, industrial and commercial, the staff that market etc. are located brings very burden, especially under the great situation of bank cashier print job amount, finish alignment operation by craft, its workload and labour intensity are well imagined.Therefore, be necessary prior art is improved.

Summary of the invention

Be the deficiency that can not in good time adjust the print media of unlike material, different size, different-thickness that overcomes that existing printer exists, the invention provides a kind of automatic aligning apparatus of printer that print media with different-thickness, different size, unlike material is alignd automatically, to improve printing precision, alleviate labor intensity of operating personnel.

The present invention realizes by following technical proposal: the automatic aligning apparatus of a kind of printer, comprise the print media admission passage, be arranged on the lower platform of passage below, be arranged on following paper-sheets rolling wheel group and alignment photosensitive tube on the lower platform, the signal that is electrically connected with photosensitive tube receives, transmit optical fiber, be arranged on the last paper-sheets rolling wheel group of passage top, and be arranged on, the power transmission belt and the drive motors of the travelling gear of following paper-sheets rolling wheel wheel shaft end and driving travelling gear, it is characterized in that on the Movable bracket that last paper-sheets rolling wheel group is arranged on underframe separates of passage top, be provided with the ball that dock with following paper-sheets rolling wheel its bottom at last paper-sheets rolling wheel side, ball places in the groove corresponding on the underframe, Movable bracket connects by double-screw bolt on it and the lifting stop that is arranged on the lower platform, so that the lifting by the lifting stop promotes Movable bracket and rises and fall thereupon, the branch of paper-sheets rolling wheel and following paper-sheets rolling wheel and closing in the realization satisfies different-thickness, the sending of unlike material medium, alignment and printing requirement.

Described Movable bracket places in the half slot of underframe correspondence by the rotating shaft in two outsides, so that Movable bracket is rotated in half slot, last paper-sheets rolling wheel group on the Movable bracket is installed on the flexible axle, the two ends of wheel shaft link to each other with cogging by the joint fastener, cog and be meshed with the lower gear that is arranged on down paper-sheets rolling wheel wheel shaft two ends, so that last paper-sheets rolling wheel wheel shaft together rotates with following paper-sheets rolling wheel wheel shaft, simultaneously when last paper-sheets rolling wheel wheel shaft rises with Movable bracket, effect by the joint fastener, do not influence the rotation of paper-sheets rolling wheel wheel shaft, thereby the ball of paper-sheets rolling wheel side is rolled with the rotation of following paper-sheets rolling wheel, realize the sending of thin-medium, alignment, print.

On the described lower platform with Movable bracket on the lifting stop that connects of double-screw bolt be fixed on the slide block, in the lower frame of slide block cam is housed, cam is installed on the camshaft, the end of camshaft is provided with the synchronous pulley that links to each other with power belt, power belt links to each other with the motor power axle that aligns, so that under the alignment motor-driven, through power belt, synchronous pulley, camshaft, cam slide block is moved up and down, thereby upper and lower thereupon the moving of drive lifting stop, it is upper and lower mobile that paper-sheets rolling wheel is gone up in final promotion.

Describedly which is provided with the Movable bracket of paper-sheets rolling wheel group and double-screw bolt and which is provided with ball and the underframe of last rub wheel race constitutes a complete upper stage, two outsides of upper stage are provided with the post ear, this post ear and lower platform corresponding opening post groove are matched, so that upper stage and lower platform divided or close, perhaps make the upper stage certain angle of upwards kicking up, so that get paper etc.

The underframe of described upper stage is provided with optical fiber, this optical fiber is corresponding with the light-sensitive device on the lower platform, light-sensitive device embeds in the draw-in groove of lower platform back side of panel, makes it effectively to avoid the infringement of dust to light-sensitive device when not influencing the transmission of light-sensitive device and optical fiber information.

Described upper stage top is provided with loam cake, and in the underframe front portion spring is housed, so that the loam cake button just the time, applies certain pressure by spring to Movable bracket.

The present invention compared with prior art has following advantage and effect:

1, is arranged on the Movable bracket owing to going up the paper-sheets rolling wheel group, and be provided with ball at last paper-sheets rolling wheel side, and by double-screw bolt on the Movable bracket and the stop on the lower platform, can align automatically to the print media of unlike material, different size, different-thickness correction, sending, thereby improve print quality and precision, alleviate staff's labour intensity.

2, owing to which is provided with the Movable bracket of paper-sheets rolling wheel group and double-screw bolt and be provided with the independently complete upper stage of underframe formation one of ball, can separate with lower platform fully, in the alignment that does not influence print media, printing, can be easily with its taking-up or pack into, and can make its certain angle that raises up, be convenient in time handle the paperboard problem, clean, safeguard aligning apparatus.

3, because the lower platform panel is a transparent panel; and be provided with draw-in groove in its bottom side, light-sensitive device is housed in the draw-in groove, when not influencing the optoelectronic information transmission; can play protective effects such as dust protection, anti-wear, waterproof to light-sensitive device, help prolonging the service life of printer.

Description of drawings

Fig. 1 is the present invention's front view;

Fig. 2 is the present invention's vertical view;

Fig. 3 is the present invention's left view;

Fig. 4 is the A-A cutaway view of Fig. 2;

Fig. 5 is the B-B cutaway view of Fig. 1;

Fig. 6 is the part vertical view of lower platform;

Fig. 7 is the C-C cutaway view of Figure 12;

Fig. 8 is the upper stage combination assumption diagram;

Fig. 9 is upper stage isolating construction figure;

Figure 10 is the present invention's oblique view;

Figure 11 is the D portion enlarged drawing of Figure 10;

Figure 12 is the E portion enlarged drawing of Figure 10.

The specific embodiment

Below in conjunction with accompanying drawing the present invention is described further.

The below of paper feed channel A is a lower platform 1, the top is upper stage 2 (as Fig. 1), paper-sheets rolling wheel assembly 12 down is installed on the lower platform 1, wherein respectively organizing paper-sheets rolling wheel 121 is installed in down respectively on the paper-sheets rolling wheel axle 122, each wheel shaft end extends to outside the lower platform, and link to each other with drive 123, each drive 123 links to each other (as Fig. 2 with paper feed motor 125 by driving-belt 124, Fig. 4, Figure 10), drive paper-sheets rolling wheel 121 work down by motor 125, alignment platform 13 on the lower platform 1 is a transparent panel, its back side is provided with draw-in groove 131, photosensitive tube 14 is housed (as Fig. 6 in the draw-in groove, Fig. 7), stop 15 on the lower platform 1 is installed on the slide block 151, the middle part of this slide block has chute 152, the bottom is provided with cam path 153, cam 154 is installed in the groove, cam 154 is installed on the camshaft 158, camshaft 158 extends to the lower platform outside, synchronous pulley 155 is installed on it, synchronous pulley 155 links to each other with power belt 156, power belt links to each other (as Fig. 5 with the motor 157 that aligns, Fig. 3), drive on the slide block 151 by motor 157, move down, move thereupon thereby drive stop 15.

Upper stage 2 is by underframe 21, Movable bracket 23 and loam cake 22 are formed (as Fig. 8), wherein the outside of Movable bracket 23 is provided with rotating shaft 231, this rotating shaft matches with the half slot 213 of underframe 21 inboards, Movable bracket 23 can be rotated, the inboard of Movable bracket 23 is respectively equipped with regulates double-screw bolt 232, have through hole 219 (as Fig. 8 on the underframe of adjusting double-screw bolt correspondence, Fig. 9), so that regulating double-screw bolt 232 docks with stop 15 on the lower platform, last paper-sheets rolling wheel 233 on the Movable bracket 23 is installed on the wheel shaft 234, the two ends of wheel shaft 234 24 link to each other with cogging by joint fastener 235 respectively, this cog be installed in down paper-sheets rolling wheel axle 122 on lower gear 16 be meshed (as Fig. 9, Fig. 4), by last, the transmission of lower gear, wheel shaft 234 is rotated with wheel shaft 122, have paper-sheets rolling wheel race 211 on the underframe 21, by this race paper-sheets rolling wheel 233 is docked with following paper-sheets rolling wheel 121, be provided with the column groove 212 of a side opening at the side of race 211, on the column groove 212, the lower end is worn-out mouthful, place ball 213 in it, so that ball docks with following paper-sheets rolling wheel 121, and last paper-sheets rolling wheel adds wide the adapting of wheel of overall width and following paper-sheets rolling wheel behind the ball, so that ball and last paper-sheets rolling wheel and following paper-sheets rolling wheel are to rolling (as Fig. 9, Fig. 4), be provided with making leaf spring 214 in the upper end of column groove 212, the scope of activities that is used for fixing ball, the middle part of underframe 21 is provided with optical fiber 215, this optical fiber is corresponding with the photosensitive tube 14 on the lower platform, by its seat 216 spring 217 is housed on the underframe 21, so that when loam cake fastens, can apply certain pressure (as Fig. 8 to Movable bracket, Fig. 6), be respectively equipped with flat cylinder ear 218 at the rear in 21 liang of outsides of underframe, this cylinder ear is matched (as Figure 10 with the open cylinders groove 17 that is arranged on 1 liang of inboard of lower platform, Figure 11, Figure 12), with the branch of realizing upper stage and lower platform and close, perhaps upwards kick up.

During work, when print media is put into passage A inlet, when first row's photosensitive tube 14 has detected the medium insertion, start alignment motor 157, stop 15 is risen, while paper feed electric motor starting, driving the two rows paper-sheets rolling wheel rolls, thereby medium is rubbed with the hands in type channel, when moving on the stop 15, promote to regulate on the double-screw bolt 232 and move, thereby make movable support bracket 23, last paper-sheets rolling wheel axle 234 reaches to go up on the paper-sheets rolling wheel 233 and moves, promptly separate with following paper-sheets rolling wheel 121, this moment is under the fastener effect of joint, still make,

lower gear

24,16 are meshed, it is rotated as usual, and after moving on the last paper-sheets rolling wheel 233,213 on ball leans on the gravity pressure of self on following paper-sheets rolling wheel 121, so, thin print media (0.2mm is following) is just rubbed with the hands by ball 213, thin paper because the ball own wt is light, and has only a bit, so can not be rubbed with the hands wrinkle with row's paper-sheets rolling wheel contact-making surface down, distortion, and thicker (greater than 0.2mm) medium can make ball 213 move up, but under making leaf spring 214 effects on ball top, ball is produced an additional pressure, thereby guarantee thick medium stranding is just rectified a deviation with bigger paper-rubbing force, by the connection of joint fastener, make medium (2mm the is following) alignment automatically of different-thickness, when having at least 2 groups to detect medium in second row's photosensitive tube simultaneously, show that medium aligns, then restart alignment motor 157, stop 15 is fallen, can open paper feed channel A print media is sent into the printer printing.

Claims

1. automatic aligning apparatus of printer, comprise the print media admission passage, be arranged on the lower platform of passage below, be arranged on following paper-sheets rolling wheel group and alignment photosensitive tube on the lower platform, the signal that is electrically connected with photosensitive tube receives, transmit optical fiber, be arranged on the last paper-sheets rolling wheel group of passage top, and be arranged on, the power transmission belt and the drive motors of the travelling gear of following paper-sheets rolling wheel wheel shaft end and driving travelling gear, it is characterized in that on the Movable bracket that last paper-sheets rolling wheel group is arranged on underframe separates of passage top, be provided with the ball that dock with following paper-sheets rolling wheel its bottom at last paper-sheets rolling wheel side, ball places in the groove corresponding on the underframe, and Movable bracket connects by double-screw bolt on it and the lifting stop that is arranged on the lower platform.

2. the automatic aligning apparatus of printer according to claim 1, it is characterized in that described Movable bracket places in the half slot of underframe correspondence by the rotating shaft in two outsides, last paper-sheets rolling wheel group on the Movable bracket is installed on the flexible axle, the two ends of wheel shaft link to each other with cogging by the joint fastener, and cogging is meshed with the lower gear that is arranged on down paper-sheets rolling wheel wheel shaft two ends.

3. the automatic aligning apparatus of printer according to claim 1, it is characterized in that on the described lower platform with Movable bracket on the lifting stop that connects of double-screw bolt be fixed on the slide block, in the lower frame of slide block cam is housed, cam is installed on the camshaft, the end of camshaft is provided with the synchronous pulley that links to each other with power belt, and power belt links to each other with the motor power axle that aligns.

4. the automatic aligning apparatus of printer according to claim 1, it is characterized in that describedly which is provided with the Movable bracket of paper-sheets rolling wheel group and double-screw bolt and which is provided with ball and the underframe of last rub wheel race constitutes a complete upper stage, two outsides of upper stage are provided with the post ear, and this post ear and lower platform corresponding opening post groove are matched.

5. the automatic aligning apparatus of printer according to claim 4 is characterized in that the underframe of described upper stage is provided with optical fiber, and this optical fiber is corresponding with the light-sensitive device on the lower platform, and light-sensitive device embeds in the draw-in groove of lower platform back side of panel.

6. the automatic aligning apparatus of printer according to claim 4 is characterized in that described upper stage top is provided with loam cake, and in the underframe front portion spring is housed.