CN212711812U - Feeding driving device of printing machine - Google Patents

Abstract

The utility model relates to the field of printing machines, in particular to a feeding driving device of a printing machine, which mainly solves the problem of poor paper feeding effect in the prior art, and comprises a frame and a lifting plate arranged on the frame, wherein the lower side of the lifting plate is provided with a first spring, the upper side of the lifting plate is provided with a mounting seat, a second spring is arranged between the upper side of the mounting seat and the frame, the lower side of the mounting seat and the transverse ends of the mounting seat are provided with fixed plates, two fixed plates are rotatably provided with paper rubbing sticks through bearing seats, each fixed plate is provided with an adjusting device for adjusting the pressing force of the paper rubbing sticks, the mounting seat is provided with a first driving device for driving the paper rubbing sticks to rotate, the output end of the mounting seat is provided with a connecting seat, the connecting seat is rotatably provided with a first guide roller and a second guide roller from top to bottom, the mounting seat is provided with a second, the first guide roller rotates anticlockwise, and the second guide roller rotates clockwise.

Description

Feeding driving device of printing machine

Technical Field

The utility model relates to a printing machine field especially relates to a printing machine feeds drive arrangement.

Background

Printer, the printing machine is comparatively common office equipment in the society today, printer, the printing machine can type the paper, the printing, leave not to open the paper feed system and carry the printer with the paper, in the printing machine, the feed system of current printer is including the lifter plate that is used for storing the paper, lift group downside is provided with the elastic component, make the lifter plate can realize the up-and-down motion, the upside of lifter plate sets up the pickup roller, the pickup roller is fixed mounting usually, paper extrusion lifter plate and leave it between lifter plate and pickup roller, under the effect of elastic component, make the paper support all the time and lean on the pickup roller, thereby it advances to drive the paper through the rotation of pickup roller, however, this kind of paper feed system can have a lot of problems when the in-service use:

in the printing process, more paper is usually required to be stored, the thickness of the paper is relatively large, namely the elastic part is extruded and contracted to a large extent, so that the friction force between each layer of paper and the friction force between the paper and the paper twisting stick are large, the paper twisting wheel can convey the paper, and the paper is easily jammed in a printer and a printer due to the fact that a plurality of pieces of paper are conveyed at one time, and meanwhile, the waste of the paper is caused;

and when the paper is used up, the extrusion shrinkage of the elastic part is small, the friction force between the paper and the paper twisting stick is gradually reduced, the paper twisting stick is easy to slip, and the paper cannot be fed, so that the paper feeding effect is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a printing machine feeds drive arrangement, it has mainly solved the poor problem of paper feed effect among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a feeding driving device of a printing machine comprises a machine frame and a lifting plate arranged on the machine frame and used for storing paper, wherein the paper feeding direction is defined as a longitudinal direction, the lifting plate is vertical to the longitudinal direction and is positioned in the same plane with a horizontal plane as a transverse direction, a first spring is arranged on the lower side of the lifting plate, a mounting seat is arranged on the upper side of the lifting plate, a second spring is arranged between the upper side of the mounting seat and the machine frame, fixing plates are arranged on the lower side of the mounting seat and positioned at the transverse two ends of the mounting seat, two fixing plates are rotatably provided with paper rubbing rollers through bearing seats, each fixing plate is provided with an adjusting device for adjusting the pressing force of the paper rubbing rollers, a first driving device for driving the paper rubbing rollers to rotate is arranged on the mounting seat, a connecting seat is arranged at the output end of the mounting seat, a first guide roller and a second guide roller are rotatably arranged on the connecting seat from top to bottom, and a second driving device and, the first guide roller rotates anticlockwise, the second guide roller rotates clockwise, and the outer surface friction coefficient of the first guide roller is larger than that of the second guide roller.

Further, adjusting device is including being equipped with the fixed plate and along the guide way of longitudinal direction distribution, the bearing frame is located in the guide way and is slided along the guide way, the upside that lies in the fixed plate on the mount pad is equipped with the screw rod along longitudinal direction, the lower extreme of screw rod is located the guide way and rotationally is equipped with the backup pad, the lower surface of backup pad is equipped with the bracing piece, the cover is equipped with the third spring on the bracing piece, the both ends of third spring are supported respectively and are leaned on backup pad and bearing frame.

Further, first deflector roll includes that pivot and cover are located epaxial roll body and distribution plate, the distribution plate is located in the pivot through the bearing, be equipped with a plurality of absorption holes on the roll body, it separates into a plurality of negative pressure chamber with region between the two around the pivot to be equipped with the baffle between roll body and the pivot, is close to the negative pressure chamber and the distribution plate intercommunication setting of second deflector roll department.

Furthermore, guide rods are arranged on the peripheral sides of the lower surface of the lifting plate along the longitudinal direction, and guide sleeves matched with the guide rods are arranged on the rack.

By adopting the technical scheme, the beneficial effects of the utility model are that: the feeding driving device of the printing machine is characterized in that paper is placed on a lifting plate, a paper rubbing roller is always abutted against the paper under the action of a first spring and a second spring, the change range of the friction force between the paper rubbing roller and the paper is smaller than the change range caused by the change of the thickness of the paper in the feeding process through the first spring, the second spring and an adjusting device, so that the stability of the friction force between the paper rubbing roller and the paper is improved, the working stability of the paper rubbing roller is improved, the rotating directions of a first guide roller and a second guide roller are respectively driven to be opposite through a second driving device and a third driving device, meanwhile, the outer surface friction coefficient of the first guide roller is larger than the outer surface friction coefficient of the second guide roller, when a plurality of pieces of paper are pushed, the friction force between the first guide roller and the upper paper is larger than the friction force between the second guide roller and the lower paper, the upper paper is output by the first guide roller, the paper positioned at the lower side is pushed back to the lifting plate, so that the stable output of the paper is realized, and the feeding effect of the paper is improved; furthermore, through rotatory screw rod, make the distance between backup pad and the bearing frame change, and then make the compression stroke of third spring change, make the packing force of paper roll change, through feeding different specification papers and then adjusting screw, make the application scope of paper roll wide, and the compression through the third spring changes, thereby make the frictional force of paper roll and paper change, further stabilize the frictional force balance of paper and paper roll, improve the paper and feed the effect.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a schematic front view of the first guide roller in the embodiment of the present invention;

fig. 3 is a schematic right-view structure diagram of the first guide roller in the embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

The embodiment of the utility model provides a do:

referring to fig. 1, 2 and 3, a feeding driving device of a printing machine includes a frame 1 and a lifting plate 2 disposed on the frame 1 for storing paper, wherein a guide rod 3 is disposed along a longitudinal direction on a peripheral side of a lower surface of the lifting plate 2, a guide sleeve 4 engaged with the guide rod 3 is disposed on the frame 1, a paper feeding direction is defined as the longitudinal direction, the guide sleeve is perpendicular to the longitudinal direction and is located on a same plane with a horizontal plane as a transverse direction, a first spring 5 is disposed on a lower side of the lifting plate 2, a mounting seat 6 is disposed on an upper side of the lifting plate 2, a second spring 7 is disposed between the upper side of the mounting seat 6 and the frame 1, fixing plates 8 are disposed on a lower side of the mounting seat 6 and located at two transverse ends thereof, two fixing plates 8 are rotatably disposed with paper rubbing sticks 10 through a bearing seat 9, and each fixing plate 8 is disposed with an adjusting device 11 for, be equipped with the first drive arrangement of drive roll paper 10 pivoted of rubbing with hands on mount pad 6, first drive arrangement includes first driving motor and the reduction gear of being connected with first driving motor, the output of its reduction gear with rub with hands the paper rod and be connected the drive, the output of mount pad 6 is equipped with connecting seat 12, rotationally be equipped with first deflector roll 13 and second deflector roll 14 on the connecting seat 12 from the top down, be equipped with second drive arrangement and the third drive arrangement that drives first deflector roll 13 and second deflector roll 14 pivoted respectively on the mount pad 6, second drive arrangement and third drive arrangement all include driving motor and locate driving pulley on driving motor and locate the driven pulley on first deflector roll 13 or second deflector roll 14, the cover is equipped with the belt on driving pulley and the driven pulley, first deflector roll 13 anticlockwise rotation, second deflector roll 14 clockwise turning, the outer surface friction coefficient of first deflector roll 13 is greater than the outer surface friction coefficient of second deflector roll 14, roll body 132 and distribution dish 133 on pivot 131 are located including pivot 131 and cover to first deflector roll 13, distribution dish 133 is located on pivot 131 through the bearing, be equipped with a plurality of absorption holes 134 on the roll body 132, it separates into six negative pressure chambeies 136 to be equipped with baffle 135 between roll body 132 and the pivot 131 around the pivot with region between the two, is close to negative pressure chamber 136 and the distribution dish 133 intercommunication setting of second deflector roll 14 department.

In this embodiment, the adjusting device 11 includes the guide way 111 that is equipped with the fixed plate 8 and distributes along the longitudinal direction, the bearing frame 9 is located in the guide way 111 and slides along the guide way 111, the upside that lies in the fixed plate 8 on the mount pad 6 is equipped with the screw rod 112 along the longitudinal direction, the lower extreme of screw rod 112 is located the guide way 111 and rotationally is equipped with the backup pad 113, the lower surface of backup pad 113 is equipped with the bracing piece 114, the cover is equipped with the third spring 115 on the bracing piece 114, the both ends of third spring 115 support respectively and lean on backup pad 113 and bearing frame 9.

The utility model discloses a working method is: in the feeding driving device of the printing machine, paper is placed on the lifting plate 2, the paper rolling stick 10 is always abutted against the paper under the action of the first spring 5 and the second spring 7, the change range of the friction force between the paper rolling stick 10 and the paper is smaller than the change range caused by the change of the thickness of the paper in the feeding process through the first spring 5, the second spring 7 and the adjusting device 11, so that the stability of the friction force between the paper rolling stick 10 and the paper is improved, the working stability of the paper rolling stick 10 is improved, the rotating directions of the first guide roller 13 and the second guide roller 14 are respectively driven by the second driving device and the third driving device to be opposite, meanwhile, the outer surface friction coefficient of the first guide roller 13 is larger than that of the second guide roller 14, and when a plurality of papers are pushed, the friction force between the first guide roller 13 and the upper papers is larger than that between the second guide roller 14 and the lower papers, the first guide roller 13 outputs the paper on the upper side in the anticlockwise motion, and the paper on the lower side is pushed back to the lifting plate 2, so that the stable output of the paper is realized, and the feeding effect of the paper is improved; through rotating the screw rod 112, the distance between the support plate 113 and the bearing seat 9 changes, and further the compression stroke of the third spring 115 changes, so that the pressing force of the paper roll 10 changes, and the screw rod 112 is adjusted by feeding different specifications of paper, so that the application range of the paper roll 10 is wide, and the compression change of the third spring 115 changes, so that the friction force between the paper roll 10 and the paper changes, further the friction force balance between the paper and the paper roll 10 is stabilized, and the paper feeding effect is improved.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (4)

1. A feed drive for a printing press, comprising: the paper feeding direction is defined to be a longitudinal direction, the paper feeding direction is perpendicular to the longitudinal direction, the paper feeding direction and the horizontal plane are located in the same plane and are transverse directions, a first spring is arranged on the lower side of the lifting plate, an installation seat is arranged on the upper side of the lifting plate, a second spring is arranged between the upper side of the installation seat and the frame, fixing plates are arranged on the lower side of the installation seat and located at the transverse ends of the installation seat, two paper rubbing rollers are rotatably arranged on the fixing plates through bearing seats, an adjusting device for adjusting the pressing force of the paper rubbing rollers is arranged on each fixing plate, a first driving device for driving the paper rubbing rollers to rotate is arranged on the installation seat, a connecting seat is arranged at the output end of the installation seat, a first guide roller and a second guide roller are rotatably arranged on the connecting seat from top to bottom, and a second driving device and a third driving device for driving the first guide roller and the second guide roller to, the first guide roller rotates anticlockwise, the second guide roller rotates clockwise, and the outer surface friction coefficient of the first guide roller is larger than that of the second guide roller.

2. The printer feed drive of claim 1, wherein: adjusting device is including being equipped with the fixed plate and along the guide way of longitudinal direction distribution, the bearing frame is located in the guide way and is slided along the guide way, the upside that lies in the fixed plate on the mount pad is equipped with the screw rod along longitudinal direction, the lower extreme of screw rod is located the guide way and rotationally is equipped with the backup pad, the lower surface of backup pad is equipped with the bracing piece, the cover is equipped with the third spring on the bracing piece, the both ends of third spring are supported respectively and are leaned on backup pad and bearing frame.

3. The printer feed drive of claim 1 or 2, wherein: first deflector roll includes that pivot and cover are located epaxial roll body and distribution dish, the distribution dish is located in the pivot through the bearing, be equipped with a plurality of absorption holes on the roll body, it separates into a plurality of negative pressure chamber to be equipped with the baffle between roll body and the pivot with region between the two around the pivot, is close to the negative pressure chamber and the distribution dish intercommunication setting of second deflector roll department.

4. The printer feed drive of claim 3, wherein: the periphery of the lower surface of the lifting plate is provided with guide rods along the longitudinal direction, and the rack is provided with guide sleeves matched with the guide rods.

Images