CN2532979Y

CN2532979Y - Two-face printing device

Info

Publication number: CN2532979Y
Application number: CN 02230730
Authority: CN
Inventors: 苏育仁
Original assignee: Silitek Corp
Current assignee: Xuli Co., Ltd.
Priority date: 2002-04-09
Filing date: 2002-04-09
Publication date: 2003-01-29
Anticipated expiration: 2012-04-09

Abstract

The utility model relates to a two-face printing device, which comprises a containing unit where a page can be placed, a first switcher which can swing to be coupled with or detached from the containing unit, a driver which is coupled with the first switcher, a printing unit arranged at one side of the first switcher; a steering unit comprising a rotary space and coupled with the first switcher, and a retaining piece which is arranged beside the first switcher and can selectively restrict the coupling of the first switcher with the supply device. The utility model uses the interaction of the switcher, the retaining piece and the steering unit to make the pages completed the printing of the first surface enter a steering unit to turn over and then face toward the printing unit in the second surface, and prevents the misoperation of the printing device by the combination of the switcher and the retaining piece, thereby achieving the objective of the two-face printing. The utility model adopts built-in design, and can greatly save the manufacturing cost.

Description

Double-side impact printing device

Technical field

The utility model relates to a kind of printing equipment, refers to a kind of printing equipment that duplex printing is provided especially.

Background technology

Printing equipment is modal facsimile machine, printer and duplicator etc., is example with the printer, can divide into dot matrix, ink-jet and laser printer or the like again, and according to its paper feed mode, also can roughly be divided into card box and back of the body box.

And the most common problem that arrives of printer is exactly, and usually needs to use the recovery paper and prints, because after the intact one side of printer prints, for the purpose of environmental protection and economizing on resources, after paper need being cancelled, is reclaimed and utilizes the back side to do printing more again.But, because paper repeats to re-use,, not only waste time and energy so often be easy to generate the phenomenon of " paperboard ", cause the abrasion of printer again easily.On the other hand, print a quite long data as needs, not only comparatively convenient if duplex printing simultaneously also can reach as printing the effect as the books, and can make the data that prints thinner, be convenient for carrying.

In order to solve such problem, the printer of some double side printing function also is provided in the prior art, such as the 6167231st, No. 6332068 patents of United States Patent (USP) etc., though they can provide the function of duplex printing,, still have some shortcomings:

1, design only is suitable for the card box printer, can't be applied to carry on the back the box printer simultaneously.

2, be the design of circumscribed, though be available for users to select voluntarily to install additional, relative increase the cost made and user's burden.

The utility model content

The utility model provides a kind of double-side impact printing device for addressing the above problem, and adopts the design of in-building type and utilizes single driver to drive, and has significantly reduced manufacturing cost.

In order to achieve the above object, double-side impact printing device disclosed in the utility model be embedded on the page in order to data is printed, and this page includes for first and second that prints, this printing equipment includes: an accommodating unit, in order to put and to supply with this page; One first switch optionally is coupled in this accommodating unit; One driver is connected in this first switch, gives this first switch in order to power to be provided; One printing list unit is located at this first switch, one side, drives this first switch by this driver element power is reached this accommodating unit, prints on this first and this page is supplied to this print unit; One steering unit is coupled in this first switch, has the single-revolution space; And a block piece, be installed in by this first switch, optionally limit this first switch and be coupled in this accommodating unit;

Finish first printing of this page when this print unit, can interlock this block piece limit this first switch and be coupled in this accommodating unit, enter this print unit once again for printing on second of this page and this page guiding is entered this rotary space upset by this steering unit.

Above-mentioned double-side impact printing device, this accommodating unit also includes a putting groove, in order to put many pages.

Above-mentioned double-side impact printing device, this driver be the counter-rotating and this first switch of interlock is coupled in this accommodating unit, make this accommodating unit action that a page that is positioned at this putting groove wherein is supplied to this print unit, simultaneously, just changeing the couple state of this first switch disengaging of interlock and this accommodating unit by this driver, print this first and this page is supplied in this print unit, and prevent that this accommodating unit from repeating to supply with.

Above-mentioned double-side impact printing device, this driver reverses once more, make this block piece limit this first switch and be coupled in this accommodating unit, prevent this accommodating unit supply page, drive this steering unit by this first switch simultaneously and make its this page upset that will print first, and be supplied in this print unit once more.

Above-mentioned double-side impact printing device, this steering unit utilize a roller that turns to that places in this rotary space, and this page of having printed first is turned to.

Above-mentioned double-side impact printing device, wherein this steering unit also utilizes one second switch to be coupled in this first switch, reverse once more by this driver, making this first switch drive this second switch is coupled in this and turns to roller, make this turn to roller will print this page upset of first, then just changeing making this first switch interlock, second switch disengaging turn to the couple state of roller, and this page is being supplied to this print unit with this by this driver.

Above-mentioned double-side impact printing device, this driver are to be coupled in this first switch by a feeding roller, by this feeding roller this page are supplied to this print unit.

Above-mentioned double-side impact printing device, wherein this feeding roller is other includes one page face sensor, but this page of sensing is by entering this print unit.

Above-mentioned double-side impact printing device, wherein the tail end of this page sensor extends on this page feed path, and the stage casing is articulated in this printing equipment, make this page by the time tail end of this page sensor can be boosted, the top of this page sensor of interlock is passed through and can respond to this page to lower swing.

Above-mentioned double-side impact printing device, this page sensor one side is connected with this block piece, when this page passes through to promote this page sensor, can make this block piece produce barrier effect to lower swing simultaneously.

Above-mentioned double-side impact printing device, this first switch have a unidirectional grab corresponding to this block piece, when this block piece produces barrier effect, only can unidirectionally limit the motion of this first switch.

Above-mentioned double-side impact printing device, this page sensor cooperates this block piece tail end to extend this page feed path equally, and the part that tail end extends is long than the tail end of this page sensor, make this page print finish first emaciated face when the tail end of this page sensor, this block piece still has barrier effect.

Above-mentioned double-side impact printing device, wherein the tail end of this page sensor is the relation of articulating, and makes that printing this page of finishing first still can enter this steering unit by this page sensor.

Above-mentioned double-side impact printing device has a unidirectional grab corresponding to this block piece on this first switch, when this block piece produces barrier effect, only can unidirectionally limit the motion of this first switch.

Above-mentioned double-side impact printing device, this steering unit more includes a guide member, prevents to print this page of finishing first and enters this accommodating unit.

As from the foregoing, double-side impact printing device of the present utility model is designed to the steering mechanism of in-building type, and utilizes single driver to control driving, can significantly reduce the cost of printing equipment, has alleviated user's burden.

For making the purpose of this utility model, structural feature and function thereof are had further understanding, conjunction with figs. and embodiment are described in detail as follows now.

Description of drawings

Fig. 1 is a schematic diagram of the present utility model;

Fig. 2 is the schematic diagram of the utility model paper feed;

Fig. 3 promotes the schematic diagram of page sensor for the utility model page;

Fig. 4 is the schematic diagram of the utility model first switch homing;

Fig. 5 is the utility model print state schematic diagram;

6A, 6B figure are that the utility model is printed the schematic diagram of finishing;

Fig. 7 enters the schematic diagram of steering unit for the utility model page;

8A, 8B figure turn to the schematic diagram that enters print unit for the utility model page;

Fig. 9 is the schematic diagram of second of the utility model printer page;

Figure 10 is the first embodiment schematic diagram of the utility model page sensor;

Figure 11 is the second embodiment schematic diagram of the utility model page sensor; And

12nd, 13 figure are the action schematic diagram of second embodiment of the utility model page sensor.

The specific embodiment

The disclosed double-side impact printing device of the utility model such as Fig. 1-shown in Figure 13, include accommodating unit 10, first switch 20, driver 30, print unit 40, steering unit 50, second switch 60, block piece 70 and page sensor 80, wherein accommodating unit 10 comprises putting groove 12 again, supplies with roller 13 and gear 14, in order to put the page 11, this page 11 has one first 111 and 1 second 112 in the putting groove; This first switch 20 comprises driven gear 21, hook portion 22, spring 23, block 24 and dead point 25; This driver 30 and a feeding roller 31 couplings; This steering unit 50 comprises and turns to roller 51, frame 52, guide member 53 and idle pulley 54; This second switch comprises a driven gear 61; This block piece comprises pin 71 and tail end 72; This page sensor comprises induction part 81, tail end 82 and movable part 83.

As shown in Figure 1, the utility model includes accommodating unit 10, first switch 20, driver 30, print unit 40, steering unit 50, second switch 60, block piece 70 and page sensor 80, accommodating unit 10 includes a putting groove 12, in order to deposit many pages 11, and first switch 20 is located at accommodating unit 10 bottoms, optionally be coupled in accommodating unit 10, wherein, accommodating unit 10 is utilized a feeding roller 13 to supply with the page 11 and is given print unit 40 and print, and 13 of first switch 20 and feeding rollers also include a plurality of gears 14, and its number is then according to the length of the page 11, the type of printing equipment and different.

Driver 30 is coupled in first switch 20 by a feeding roller 31, same, the number of gears between the feeding roller 31 and first switch 20 also is according to type and different designs and different, can certainly directly be coupled with first switch 20.And feeding roller 31 tops are a printing list unit 40, data logging can be printed on the page 11 that feeding roller 31 is supplied with, and print unit 40 rears are provided with the steering unit 50 of one and first switch, 20 couplings, turned in order to the page of having printed first 111 11 turns round, and can print its second 112 for print unit 40.At cooperating label to be described in detail below the action of feed path, feeding mode and first, second switch 20,60 of the page 11.

As shown in Figure 2, at first drive first switch, 20 rotations of coupling by driver 30 counter-rotatings, rotate for anticlockwise as shown in FIG., make the driven gear 21 that is connected on first switch 20 can make progress swing and be coupled in lowermost gear 14 in the accommodating unit 10, and then feeding roller 13 is rotated and a stored page 11 is wherein taken out of, until the page 11 front ends touch the tail end 82 of page sensor 80, as shown in Figure 3, and the middle section of page sensor 80 is articulated in (synchronously with reference to Figure 10) on the printing equipment, therefore when the page 11 passes through, can promote the upwards swing of tail end 82 of page sensor 80 simultaneously, and make that page sensor 80 serves as the axle rotation with the articulated section in its stage casing, and the induction part 81 that makes its top is to lower swing, it is in place to make the inductor (not shown) that is installed in induction part 81 both sides sense the page 11, and can notify printing equipment to begin to print, and drive connection block piece 70 thereon simultaneously to lower swing.

As shown in Figure 4, then, driver 30 is just changeing drive feeding roller 31 page 11 is being brought to print unit 40 belows first 111 for printer page 11, simultaneously, because the cause that driver 30 is just changeing, meeting drives 20 dextrorotations of first switch then makes driven gear 21 to lower swing, and make first switch 20 break away from couple state with accommodating unit 10, because of stopping, dead point 25 stops at last, simultaneously, driven gear 21 is when lower swing, and the hook portion 22 above can driving is resisted against the pin 71 and the rotation of block piece 70 to be passed through, and by spring 23 hook portion 22 is recovered in the original position (see figure 5).

At last, feeding roller 31 constantly drives, finish the page 11 up to printing first 111, as Fig. 6 A, shown in Fig. 6 B, then wait for a period of time, be ink dried for example, the carbon dust set time etc., utilize driver 30 to reverse once more, drive feeding roller 31 page 11 is delivered to steering unit 50, at this moment, because driver 30 counter-rotatings, the switch 20 of winning is rotated counterclockwise, still because block piece 70 be subjected to the page 11 promotion and to lower swing, therefore the hook portion 21 of first switch 20 can be subjected to block piece 70 pin 71 restriction and can't be coupled in accommodating unit 10, as shown in Figure 7, and hook portion 21 is subjected to block 24 restriction of below simultaneously, and forms a unidirectional grab, and be limited on this position, prevent that accommodating unit 10 from repeating paper feed.And the while, steering unit 50 has a plurality of guide members 53 and the page 11 guidings can be entered steering unit 50 and can not enter accommodating unit 10 (simultaneously with reference to Figure 10) by mistake.

And steering unit 50 has the single-revolution space, be provided with the idle pulley 54 that several turn to roller 51 and array position to float in this space, the page 11 is subjected to idle pulley 54 compressings to contact and driven by it with turning to roller 51, return turnback along the guiding of its frame 52, drive downwards once again, same, turn to roller 51 not necessarily will be coupled directly to first switch 20, according to the different pages 11 length, printing equipment type and different, as Fig. 8 A, shown in Fig. 8 B, and make the page 11 enter feeding roller 31 once again for printing its second 112 towards print unit 40 with second 112, as shown in Figure 9, simultaneously, after entering feeding roller 31, driver 30 is just being transferred that once again the page 11 is brought to print unit 40 and is being printed, steering unit 50 optionally is coupled in and turns to roller 51 then equally by one second switch 60, when driver 30 reverses, then second switch 60 can rotate counterclockwise, and driven gear 61 swings are coupled with turning to roller 51; Just changeing and work as driver 30, then can break away from, preventing to turn to roller 51 that the page 11 is pulled back to lower swing.

But, such design has a shortcoming, whether can't utilize page sensor 80 to induce the page 11 has exactly printed, so second embodiment of the present utility model, as Figure 11 and shown in Figure 12, be that page sensor 80 and block piece 70 are designed to separate, and the tail end 72 of block piece 70 is longer than the tail end 82 of page sensor 80, when the page 11 has been printed, the tail end 82 of page inductor 80 breaks away from, making induction part 81 upwards swing can respond to for inductor, but the tail end 72 of block piece 70 still is in the state that is promoted by the page 11, as shown in figure 12, and can make block piece 70 that restriction is provided, prevent that first switch 20 is coupled in accommodating unit 10.Simultaneously, can enter steering unit 50 in order to make the page 11, thus page inductor 80 is designed to a movable part 83, and can be for the page 11 normally by (seeing Figure 13).

In sum, double-side impact printing device of the present utility model, utilize switch can swing by the drive of driver and optionally be coupled in accommodating unit and steering unit, control the feeding path of the page, feasible printing is finished first the page and can be guided and enter and return turnback in the steering unit, and enters print unit once again for printing another side.So be designed to the steering mechanism of in-building type, and utilize single driver to control driving, can significantly reduce the cost of printing equipment.

The above person only is the utility model preferred embodiment wherein, is not to be used for limiting practical range of the present utility model; Be that all equalizations of being done according to the utility model claim change and modification, be all the utility model claim and contain.

Claims

1, a kind of double-side impact printing device is characterized in that comprising:

One accommodating unit can be put a page;

One first switch can be swung and is coupled or breaks away from this accommodating unit;

One driver is coupled in this first switch;

One printing list unit is located at this first switch, one side;

One steering unit is coupled in this first switch, has the single-revolution space; And

One block piece is installed in by this first switch, can limit the swing of this first switch.

2, double-side impact printing device as claimed in claim 1 is characterized in that described accommodating unit comprises the putting groove that can put many pages.

3, double-side impact printing device as claimed in claim 2, it is characterized in that but pendulum is coupled in this accommodating unit on described this first switch of driver counter-rotating interlock, this first switch bottom of interlock breaks away from and the couple state of this accommodating unit but this driver is just changeing.

4, double-side impact printing device as claimed in claim 3 is characterized in that described steering unit comprises the roller of being located in this rotary space that turns to, and can drive page upset.

5, double-side impact printing device as claimed in claim 4, it is characterized in that described steering unit also comprises one second switch, this second switch is coupled in this first switch, the counter-rotating of this driver can make this first switch drive this second switch and be coupled in this and turn to roller, and this driver is just changeing can be made this second switch of this first switch interlock break away to turn to the couple state of roller with this.

6, double-side impact printing device as claimed in claim 1 is characterized in that described driver by a feeding roller and the coupling of this first switch, and this feeding roller rotation can drive this page and move to this print unit.

7, double-side impact printing device as claimed in claim 6 is characterized in that the other one page face sensor that is provided with of described feeding roller.

8, double-side impact printing device as claimed in claim 7, the tail end that it is characterized in that described page sensor extends on this page feed path, and the stage casing is articulated in this printing equipment, this page boosts the tail end of this page sensor during by this feed path, the top of this page sensor of interlock is to lower swing, and these both sides, page sensor top are equiped with inductor.

9, double-side impact printing device as claimed in claim 8 is characterized in that described page sensor one side is connected with this block piece, and this block piece of interlock was to lower swing when this page promoted this page sensor.

10, double-side impact printing device as claimed in claim 9 is characterized in that described first switch has a unidirectional grab, with this first switch of this block piece engagement limits can only one-way movement.

11, double-side impact printing device as claimed in claim 8, it is characterized in that described page sensor separates setting with this block piece, this block piece tail end extends this page feed path equally, and the part that tail end extends is long than the tail end of this page sensor, make that when the page broke away from the tail end of this page sensor, the tail end of this block piece also was positioned on this page.

12, as claim 11 a described double-side impact printing device, the tail end that it is characterized in that described page sensor is a hinge device.

13, as claim 11 a described double-side impact printing device, it is characterized in that having a unidirectional grab corresponding to this block piece on described first switch, limiting this first switch can only one-way movement.

14, double-side impact printing device as claimed in claim 1 is characterized in that described steering unit also includes a guide member, is barred from this page and goes on the path of this accommodating unit from the print unit rollback.