CN208265384U - A kind of printer and its assist upper paper device - Google Patents

Abstract

The utility model discloses paper devices in a kind of auxiliary of printer, including paper feed drive roll and upper paper guide plate, paper feed drive roll is located at the top of upper paper guide plate, and upper paper guide plate two sides are equipped with perpendicular to paper feed drive roll, the first guider and the second guider to limit paper position.Paper device can limit the position of paper by the first guider and the second guider in auxiliary provided by the utility model, space of the user between the first guider and the second guider pushes paper into printer, it can be avoided paper run-off the straight during push, and then avoid the problem that paper jam or the pattern printed inclination caused by tilting because of paper.

Description

A kind of printer and its assist upper paper device

Technical field

The utility model relates to printer technology field, in particular to paper device in a kind of auxiliary.The utility model also relates to And a kind of printer including paper device in above-mentioned auxiliary.

Background technique

Existing photo-printer is typically provided with paper feeder, and paper feeder is divided into manual feed device and full automatic paper feeding Device guarantees that printing paper is parallel with paper feed drive roll when manual feed device needs operator to place printing paper, this operates paper feeding Serious forgiveness is lower；Full automatic paper feeding apparatus structure is more complex, higher cost, can not popularize in all photo-printers.

Therefore, how to improve the serious forgiveness of manual feed device is those skilled in the art's technical issues that need to address.

Utility model content

The purpose of the utility model is to provide paper device in a kind of auxiliary, can by paper and paper feed drive roll to just, And then improve the serious forgiveness of paper feeder.The another object of the utility model is to provide a kind of including paper device in above-mentioned auxiliary Printer.

To achieve the above object, the utility model provides paper device in a kind of auxiliary, including paper feed drive roll and upper paper are led To plate, the paper feed drive roll is located at the top of the upper paper guide plate, and the upper paper guide plate two sides are equipped with perpendicular to described Paper feed drive roll, the first guider and the second guider to limit paper position.

Preferably, the upper paper guide plate be equipped with multiple various sizes of mark parts to identify paper, described first Guider and/or second guider are movably coupled to the upper paper guide plate, first guider and/or described Second guider is movable to the position where different mark parts to limit various sizes of paper.

Preferably, the mark part be a plurality of groove perpendicular to the paper feed drive roll, first guider and/or Second guider and the groove are detachably connected.

Preferably, the mark part is antiquarian scale, and the antiquarian scale is equipped with to identify different paper The scale of size, the upper paper guide plate are equipped with the guide rail for being parallel to the paper feed drive roll, first guider and/or institute Stating the second guider can be along the scale that the guide rail slides into corresponding antiquarian.

It preferably, further include auxiliary drive roll and auxiliary driven voller, one end of the auxiliary drive roll is equipped with to rotate The upper paper handwheel of the auxiliary drive roll, the auxiliary drive roll are able to drive paper when rotating and enter printer.

Preferably, one end of the paper feed drive roll is connected with rotating device, and the paper feed drive roll and the auxiliary are led Transmission mechanism is equipped between dynamic roller, the paper feed drive roll can drive the auxiliary drive roll to rotate by the transmission mechanism.

Preferably, the transmission mechanism includes electromagnetic clutch, and the electromagnetic clutch is connected with switching mechanism, described to open Shutting mechanism can control the electromagnetic clutch and obtain electric or power loss, when the electromagnetic clutch obtains electric, the transmission mechanism energy It is enough to transmit power to the auxiliary drive roll；When the electromagnetic clutch power loss, the transmission mechanism interrupts power transmission.

Preferably, the upper paper guide plate top is additionally provided with paper gib block, and the switching mechanism is to be oriented to positioned at upper paper Spy paper device on item, to detect paper entrance, when the spy paper device detects that paper enters, the electromagnetic clutch is obtained Electricity, so that the transmission mechanism to the auxiliary drive roll transmission power.

Preferably, the upper paper guide plate two sides are equipped with to support the auxiliary drive roll or the auxiliary driven voller Elastic portion is bonded the auxiliary drive roll under the action of elastic portion elastic force with the auxiliary driven voller.

The utility model additionally provides a kind of printer, including any one of the above assists upper paper device.

Paper device is equipped with paper feed drive roll and upper paper guide plate in auxiliary provided by the utility model, upper paper guide plate Two sides are equipped with the first guider and the second guider, and the first guider and the second guider are each perpendicular to paper feed drive roll, user Printing paper is placed between the first guider and the second guider, the first guider and the second guider can limit printing paper System only need to push paper along upper paper guide plate, make it into paper feed drive roll in the position of face paper feed drive roll, user, Its operation is convenient, and structure is simple, greatlys improve the serious forgiveness of user's operation, and convenient in the printer of various types It is universal.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.

Fig. 1 is the structural schematic diagram of paper device in auxiliary provided by the utility model；

Fig. 2 is the cross-sectional view of Section A-A in Fig. 1；

Fig. 3 is the cross-sectional view of section B-B in Fig. 1；

Fig. 4 is the cross-sectional view in the section C-C in Fig. 1.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically The utility model is described in further detail for embodiment.

Please refer to figs. 1 to 4, and Fig. 1 is the structural schematic diagram of paper device in auxiliary provided by the utility model；Fig. 2 is The cross-sectional view of Section A-A in Fig. 1；Fig. 3 is the cross-sectional view of section B-B in Fig. 1；Fig. 4 is the cross-sectional view in the section C-C in Fig. 1.

Paper device in auxiliary provided by the utility model, including paper feed drive roll 3 and upper paper guide plate 5, paper feed is actively Roller 3 is located at the top of upper paper guide plate 5, and the rotation of paper feed drive roll 3 can be by the paper sheet delivery on upper paper guide plate 5 to printer In printed.Upper 5 two sides of paper guide plate are equipped with the first guider 2 and the second guider 8 perpendicular to paper feed drive roll 3, the The width or equal length of the spacing and paper of one guider 2 and the second guider 8, when paper is put into upper paper guide plate 5, the One guider 2 and the second guider 8 can limit paper position from two sides, make paper and paper feed drive roll 3 to just.

Paper feed drive roll 3 is in the form of a column, and axis is parallel to paper guide plate 5, the rotating devices such as paper feed drive roll 3 and motor It is connected, and rotates driven by the motor, paper feed drive roll 3 can be fixedly connected with the arbor of motor, can also pass through gear Or the connection of the transmission parts such as belt pulley, paper feed drive roll 3 are usually rubber roller, paper feed drive roll 3 passes through the frictional force between paper It is sent in printer.For the frictional force for increasing paper feed drive roll 3 and paper, also settable paper feed above paper feed drive roll 3 Driven voller, paper feed driven voller can be such that paper is bonded with paper feed drive roll 3, and then guarantee that paper can be printed by being successfully sent into In machine.

Upper paper guide plate 5 with can be hinged between printer or be fixedly connected, paper is placed on the upper table of paper guide plate 5 Face, plane where upper surface and the outer surface of paper feed drive roll 3 are tangent, along upper paper guide plate 5 push paper can make paper and Paper feed drive roll 3 contacts.

First guider 2 and the second guider 8 are in a strip shape, and the modes such as the two can be bolted, be clamped, grafting are arranged In the two sides of upper paper guide plate 5, the distance between the first guider 2 and the second guider 8 are equal with the length or width of printing paper, Such as it is more common for 7 cun of printing paper in photo printing, the distance between the first guider 2 and the second guider 8 can refer to 7 cun of phases The length or width of paper, when printer prints 7 one-by-one inch photograph piece, paper need to be only placed in the first guider 2 and second and led by user Paper is pushed into paper feed drive roll 3 between device 8, and along upper paper guide plate 5, the first guider 2 and the second guider 8 are logical Cross limitation paper position by it with paper feed drive roll 3 to just.

In the present embodiment, upper paper guide plate 5 is provided with the first guider 2 and the second guider 8, leads when paper is put into upper paper To after plate 5, the first guider 2 and the second guider 8 can limit the position of paper, automatically by it with paper feed drive roll 3 to just, Avoid paper run-off the straight during being sent into printer.

User generally requires to print various sizes of photo, to improve the pervasive of the first guider 2 and the second guider 8 Property, the upper settable multiple mark parts of paper guide plate 5 are used to identify the size of different paper, the first guider 2 and/or the second guiding Device 8 is connected using moveable connection type with upper paper guide plate 5, and user, can be by the first guider 2 in photograph print And/or second guider 8 be movable to mark part corresponding to its photo size, to make the first guider 2 and/or second lead The paper of the size can be limited to device 8.

Optionally, the settable a plurality of groove perpendicular to paper feed drive roll 3 of upper paper guide plate 5, each groove edge are parallel to The direction of paper feed drive roll 3 arranges, and the width between different grooves can respectively correspond the length or width of different sized paper sheets, such as Can the groove of above 5 leftmost side of paper guide plate be benchmark groove, benchmark groove and the distance between the groove being located on the right side of it Respectively correspond the width of the photo of sizes such as 1 cun, 2 cun, 3 cun, it is clear that the length and width of distance and paper between groove There are many corresponded manners, will not enumerate herein.

First guider 2 and/or the second guider 8 can be installed on by dismountable connection type such as grafting, clamping In groove, when user needs to print various sizes of photo, the first guider 2 and/or the second guider 8 can be removed, then In the groove for installing the corresponding antiquarian.

Optionally, settable guide rail and antiquarian scale 7, guide rail are parallel to paper feed drive roll 3 on upper paper guide plate 5, Antiquarian scale 7 is equipped with the scale for identifying antiquarian, and the first guider 2 and/or the second guider 8 can be along guide rails Sliding, when user needs to print various sizes of photo, can slide into paper for the first guider 2 and/or the second guider 8 At scale corresponding to size.First guider 2 and/or the second guider 8 can be slided along guide rail can reduce operation difficulty, The distance between the first guider 2 and the second guider 8 are adjusted convenient for user.

In the present embodiment, the first guider 2 and/or the second guider 8 are movably connect with upper paper guide plate 5, upper paper Guide plate 5 is additionally provided with the mark parts of multiple mark different paper sizes, when user needs to print various sizes of photo, can incite somebody to action First guider 2 and/or the second guider 8 are moved at mark part corresponding to paper, and then are improved and assisted upper paper device Universality.

User is easy to cause paper to tilt because of force unevenness when pushing paper into printer, to avoid paper from tilting, Paper device further includes auxiliary drive roll 13 and auxiliary driven voller 14 in auxiliary, and the two is located at the middle part of upper paper guide plate 5, auxiliary master Dynamic roller 13 can rotate and bring paper into printer, and one end of auxiliary drive roll 13 is equipped with upper paper handwheel 9, paper in user's rotation Handwheel 9 makes that drive roll 13 is assisted to rotate.

Paper is placed on the upper surface of paper guide plate 5, and auxiliary drive roll 13 and auxiliary driven voller 14 are located at The two sides on surface, the two are bonded with paper, and upper paper handwheel 9 is connected with the shaft of auxiliary drive roll 13, in rotation when paper handwheel 9 Auxiliary drive roll 13 also rotates with it, and applies frictional force to paper when auxiliary drive roll 13 rotates, keeps paper upward along upper surface Mobile, auxiliary driven voller 14 is bonded with paper, follows paper to rotate under the action of frictional force.

Optionally, auxiliary drive roll 13 and assist 14 axis of driven voller place plane normal and upper paper guide plate 5 it is upper There is predetermined angle, due to the presence of predetermined angle, paper can be because of auxiliary drive roll 13, auxiliary after being inserted into preset clearance between surface The limitation in space is bent between driven voller 14 and upper 5 three of paper guide plate, and then is bonded paper with auxiliary drive roll 13 It obtains even closer.In this embodiment, the help roll above upper surface is closer to paper feed drive roll 3, to make paper Opening can be bonded after preset clearance with upper paper guide plate 5.

Optionally, upper 5 two sides of paper guide plate are additionally provided with elastic portion 15, the support of elastic portion 15 auxiliary drive roll 13 or auxiliary from Dynamic roller 14 is made that drive roll 13 is assisted to be bonded with driven voller 14 is assisted by elastic force, increases pressure suffered by paper, and then increase Frictional force suffered by paper.

If the photo of printing is more, paper is only conveyed into printer by the upper paper handwheel 9 of rotation will use the work at family Work amount is excessive.The rotation of paper feed drive roll 3 can convey paper to printer head, between paper feed drive roll 3 and auxiliary drive roll 13 Settable transmission mechanism, paper feed drive roll 3 are rotated by transmission mechanism band dynamic auxiliary drive roll 13, make to assist drive roll 13 to beating Paper is conveyed in print machine, to reduce manpower consumption, transmission mechanism can be gear drive or belt gear etc..

In an embodiment of the present invention, auxiliary driven voller 14 is located at the downside of upper surface, assists drive roll 13 In upper surface upside and with auxiliary driven voller 14 be arranged in parallel, paper enters in printer from the upside of paper feed drive roll 3, Upper paper guide plate 5 is equipped with strip groove, and the side of auxiliary driven voller 14 is higher by the upper surface of paper guide plate 5, so as to paper Contact is opened, drives paper mobile.

Since auxiliary drive roll 13 and paper feed drive roll 3 are located at the two sides of paper, the two direction of rotation when conveying paper On the contrary, transmission mechanism includes electromagnetic clutch 1, the first transmission gear 10, duplicate gear 11 and the second transmission gear 12, electromagnetism from Clutch 1 and paper feed drive roll 3 are coaxial, and electromagnetic clutch 1 has gear part, and gear part can be engaged with the first transmission gear 10, Second transmission gear 12 and auxiliary drive roll 13 are coaxial, the first transmission gear 10 and the second transmission gear 12 respectively with duplicate gear 11 two groups of gear teeth meshings.Electromagnetic clutch 1 is connected with switching mechanism, switching mechanism can control electromagnetic clutch 1 it is electric or Power loss, when electromagnetic clutch 1 must be electric, gear part is engaged with the first transmission gear 10, so that paper feed drive roll 3 be made to pass through transmission Mechanism band dynamic auxiliary drive roll 13 rotates；When 1 power loss of electromagnetic clutch, gear part and the first transmission gear 10 are disengaged, transmission Power can not be transmitted to auxiliary drive roll 13 again in mechanism, and the structure of electromagnetic clutch 1 can refer to the prior art, no longer superfluous herein It states.

In another embodiment of the utility model, drive roll 13 is assisted to be located at the same of paper with paper feed drive roll 3 Side, transmission mechanism can omit duplicate gear 11, be engaged by the first transmission gear 10 with the second transmission gear 12, and then lead to auxiliary Dynamic roller 13 transmits power.

The also settable upper paper gib block 6 in upper 5 top of paper guide plate, paper device 4 is visited in setting on upper paper gib block 6, to visit paper Device 4 be switching mechanism, when visit paper device 4 detect that paper enters when, electromagnetic clutch 1 it is electric, make transmission mechanism to auxiliary actively Roller 13 transmits power, and visiting paper device 4 can be specially infra-red sensor switch etc..

Optionally, in auxiliary paper device the course of work are as follows: user is by paper along adjusting 2 He of the first guider of width Between second guider 8 insertion auxiliary drive roll 13 and auxiliary driven voller 14, paper handwheel 9 leads paper continuation along upper paper in rotation It is moved up to plate 5, when paper, which is moved to, visits 4 lower section of paper device, visits paper device 4 and detect that paper enters, and then make electromagnetic clutch Device 1 must be electric, and electromagnetic clutch 1 engages gear part with the first transmission gear 10, and transmission mechanism is dynamic to the auxiliary transmission of drive roll 13 Power makes that drive roll 13 is assisted to rotate, paper is sent into printer.

In the present embodiment, paper device is provided with auxiliary drive roll 13 and auxiliary driven voller 14 in auxiliary, actively by auxiliary Paper is sent into printer by the rotation of roller 13, is avoided user's paper caused by push paper makes because of force unevenness from tilting, is in addition assisted It is also provided with transmission mechanism between drive roll 13 and paper feed drive roll 3, enables the drive for assisting drive roll 13 in paper feed drive roll 3 Lower rotation, user need to only push paper and enter auxiliary arrival spy 4 sensed position of paper device of drive roll 13, reduce user defeated Workload during paper feeding.

The utility model additionally provides a kind of printer, including paper device in auxiliary described in any of the above-described embodiment；It beats Refer to the prior art for the structure of other each sections of print machine, and repeats no more herein.

It should be noted that in the present specification, such as first and second etc relational terms are used merely to one Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual Relationship or sequence.

Printer provided by the utility model and its upper paper device of auxiliary are described in detail above.It answers herein The principles of the present invention and embodiment are expounded with specific case, the explanation of above example is only intended to sides Assistant solves the method and its core concept of the utility model.It should be pointed out that for those skilled in the art, Without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these improvement It is also fallen into the protection scope of the utility model claims with modification.

Claims (10)

1. paper device in a kind of auxiliary of printer, which is characterized in that including paper feed drive roll (3) and upper paper guide plate (5), institute The top that paper feed drive roll (3) are located at the upper paper guide plate (5) is stated, upper paper guide plate (5) two sides are equipped with perpendicular to institute State paper feed drive roll (3), the first guider (2) and the second guider (8) to limit paper position.

2. paper device in auxiliary according to claim 1, which is characterized in that the upper paper guide plate (5) is equipped with multiple use To identify the various sizes of mark part of paper, first guider (2) and/or second guider (8) and it is described on Paper guide plate (5) is movably coupled to, and first guider (2) and/or second guider (8) are movable to different Position where mark part is to limit various sizes of paper.

3. paper device in auxiliary according to claim 2, which is characterized in that the mark part be it is a plurality of perpendicular to it is described into The groove of paper drive roll (3), first guider (2) and/or second guider (8) removably connect with the groove It connects.

4. paper device in auxiliary according to claim 2, which is characterized in that the mark part is antiquarian scale (7), The antiquarian scale (7) is equipped with the scale to identify different paper size, and the upper paper guide plate (5) is equipped with and is parallel to The guide rail of the paper feed drive roll (3), first guider (2) and/or second guider (8) can be along the guide rails It slides at the scale of corresponding antiquarian.

5. paper device in auxiliary according to any one of claims 1 to 4, which is characterized in that further include auxiliary drive roll (13) it is equipped with auxiliary driven voller (14), one end of auxiliary drive roll (13) to rotate auxiliary drive roll (13) Upper paper handwheel (9), the auxiliary drive roll (13) are able to drive paper when rotating and enter printer.

6. paper device in auxiliary according to claim 5, which is characterized in that one end of the paper feed drive roll (3) with turn Dynamic device is connected, and transmission mechanism, the paper feed drive roll are equipped between the paper feed drive roll (3) and the auxiliary drive roll (13) (3) the auxiliary drive roll (13) can be driven to rotate by the transmission mechanism.

7. paper device in auxiliary according to claim 6, which is characterized in that the transmission mechanism includes electromagnetic clutch (1), the electromagnetic clutch (1) is connected with switching mechanism, and the switching mechanism can control the electromagnetic clutch (1) must be electric Or power loss, when the electromagnetic clutch (1) must be electric, the transmission mechanism can transmit dynamic to the auxiliary drive roll (13) Power；When the electromagnetic clutch (1) power loss, the transmission mechanism interrupts power transmission.

8. paper device in auxiliary according to claim 7, which is characterized in that the switching mechanism is positioned at upper paper gib block (6) on, to detect paper entrance spy paper device (4), when the spy paper device (4) detects that paper enters, the electromagnetism from Clutch (1) it is electric, so that the transmission mechanism to the auxiliary drive roll (13) transmission power.

9. paper device in auxiliary according to claim 8, which is characterized in that upper paper guide plate (5) two sides, which are equipped with, to be used To support the elastic portion (15) of auxiliary drive roll (13) or auxiliary driven voller (14), make the auxiliary drive roll (13) It is bonded under the action of the elastic portion (15) elastic force with the auxiliary driven voller (14).

10. a kind of printer, which is characterized in that including paper device in the described in any item auxiliary of claim 1 to 9.