CN2502903Y

CN2502903Y - Automatic shet conveying apparatus

Info

Publication number: CN2502903Y
Application number: CN 01275658
Authority: CN
Inventors: 石维国
Original assignee: Silitek Corp
Current assignee: Lite On Technology Corp
Priority date: 2001-12-04
Filing date: 2001-12-04
Publication date: 2002-07-31
Anticipated expiration: 2011-12-04

Abstract

An auto paper feed unit is provided, which feeds the copies to be scanned to the scanning area of a ray machine module capable of capturing the image by combining the ray machine module (CLS or CCD module) to carry out scanning. The paper feed unit is mainly provided with a removal path for the copies feed to pass through the scanning area and a revolution path and an export path communicated with the removal path; the copies can choose to be sent out from the exit of the path after passing through the scanning area to finish the action of single-sweep, or after passing through the scanning area, adopting the revolution path turn-over return removal path, the copies can process secondary scanning through the scanning area after turning over and be sent from the exit of the export path by leading to achieve the effect of duplex scanning.

Description

Automatic paper conveying apparatus

Technical field

The utility model belongs to a kind of automatic paper conveying apparatus, particularly relates to a kind of can being incorporated on the business machines such as duplicator, scanner, facsimile machine, and the selection function of list/two-sided image scan is provided.

Background technology

Automatic paper conveying apparatus (Automatic Document Feeder; ADF) be a kind of can being incorporated on the business machines such as duplicator, scanner, facsimile machine, the work that once can supply the double-side file paper to xerox continuously, scan or fax is provided, need not to rely on manually operation one by one, the efficient in the time of can promoting operation.

Distinguish with function of use, automatic paper conveying apparatus can be divided into a kind of paper feed function that the equipment single-sweep of institute's combination can only be provided, and a kind of paper conveying apparatus with double-sided scanning function; No matter wherein be the two-sided automatic paper conveying apparatus that is applied on duplicator or the scanner, be broadly divided into three types of the following stated in the existing design:

(1) utilize two groups of optical facilities to reach two-sided photomechanical printing or scanning

Just in the set handover path of automatic paper conveying apparatus upper and lower be respectively equipped with one the cover optical facilities, when allowing original copy from handover path paper feed, upper and lower two groups of optical facilities can be carried out the action of image capture simultaneously to original copy, reach the function of original copy being carried out two-sided photomechanical printing or scanning whereby.

(2) utilize two groups of transmission stepper motors to reach two-sided photomechanical printing or scanning

Being provided with two groups of stepper motors and train of reduction gears on automatic paper conveying apparatus, mainly is to allow possess two cover power on the automatic paper conveying apparatus, and one is as the power that provides original copy to transfer, and another then is that power is offered the transmission mechanism that orders about the original copy turn-over.

(3) utilize positive and negative rotation of motor to reach two-sided photomechanical printing or scanning

At first do positive photomechanical printing or scanning with positive transition zone original copy earlier by motor, afterbody at original copy contains paper with roller then, motor counter-rotating this moment, and make paper revolution and backhaul walk another path, path when backhaul reaches the effect of turn-over, makes it reach the purpose of two-sided photomechanical printing or scanning.

Though above-described three kinds of designs all can reach the effect that allows original copy carry out two-sided photomechanical printing or scanning, but at two cover optical facilities or two groups driving mechanisms are set on automatic paper conveying apparatus, not only volume is big, manufacturing cost is high, even the degree of difficulty of manufacturing also can increase; In addition, for utilizing positive and negative the transferring of motor to drive the design that original copy carries out two-sided photomechanical printing or scanning, basically will inevitably be comparatively complicated on the circuit design of CD-ROM drive motor, the life-span of motor also can shorten relatively.

Summary of the invention

Technical problem to be solved in the utility model is to propose a kind of structure to simplify, and only need cover optical facilities and a cover driving mechanism, and motor only needs unidirectional rotation can reach the automatic paper conveying apparatus of two-sided photomechanical printing or scanning effect.

For reaching above-mentioned purpose, the utility model provides a kind of automatic paper conveying apparatus, be provided with one in this automatic paper conveying apparatus and can allow original copy present handover path by scanning area, and respectively with transfer rotary path that the path is communicated with derive the path and in all paths around be provided with one in order to drive original copy mobile paper feed mechanism and a guidance set and first and second guide card that is arranged on fork-join place, path in the path; Whereby, original copy can be chosen in by after the scanning area and directly send from exit slot after entering from the paper inlet of transferring the path, finishes the action of single-sweep; In addition, also can allow original copy after passing through scanning area, utilize guidance set that original copy is imported in the rotary path, the original copy turn-over is led be back to the scanning area of transferring behind the path again of passing through to carry out scanning second time, and then original copy is imported and exported the path by first and second guide card, send from exit slot more at last, make original copy reach the effect of carrying out two-sided image capture.

Further specify embodiment of the present utility model below in conjunction with accompanying drawing:

Description of drawings

Fig. 1 is the planar configuration schematic diagram of this creation automatic paper conveying apparatus;

Fig. 2 A is the local enlarged diagram of this creation automatic paper conveying apparatus, shows that guidance set is positioned on the primary importance that rotary path is sealed;

Fig. 2 B is the local enlarged diagram of the utility model automatic paper conveying apparatus, shows that guidance set is positioned on the second place that rotary path is sealed;

Fig. 2 C is the local enlarged diagram of the utility model automatic paper conveying apparatus, shows that first guide card is positioned at the state of transferring path and rotary path fork-join place;

Fig. 2 D is the local enlarged diagram of the utility model creation automatic paper conveying apparatus, shows that second guide card is positioned at path and the state of deriving fork-join place, path transferred;

Fig. 3 carries out the action schematic diagram of single-sweep for this creation automatic paper conveying apparatus;

Fig. 4 carries out the action schematic diagram of duplex scanning for this creation automatic paper conveying apparatus.

The specific embodiment

The automatic paper conveying apparatus that the utility model disclosed can be incorporated into one and be provided with on the business machine of bare engine module 4 (CIS or CCD module) (as duplicator, scanner, facsimile machine etc.), and the function of list/two-sided image scan is provided.

In Fig. 1, disclosed the preferred embodiment of the utility model automatic paper conveying apparatus; As shown in Figure 1, this automatic paper conveying apparatus 1 includes a path that can allow original copy 2 to be scanned pass through, this path is transferred path 11, single-revolution path 12 and a derivation path 13 by one and is formed, and respectively transfer path 11, rotary path 12 is provided with a guidance set 14 and first and second guide card 15.16 with the fork-join place of deriving path 13, and is provided with one group around in all paths in order to drive the paper feed mechanism 3 that original copy 2 moves in the path.

Aforesaid handover path 11, rotary path 12 are level and smooth passage with deriving path 13.Wherein transfer path 11 and be one through bare engine module 4 can pick-up image the passage of scanning area 111, and have the passage of a paper inlet 17 and an exit slot 18, and be respectively equipped with a feeding box 171 and a paper output box 181 at two ends.As for rotary path 12 with derive 13 in path be respectively with transfer the channel that path 11 connects, allow enter and transfer path 11 and can lead go back to this handover path 11 from rotary path 12 by the original copy after the scanning area 111 2, make original copy 2 turn-overs by scanning area 111, and then connect the exit slot of guiding on the rotary path 12 18 from deriving path 13.

Paper feed mechanism 3 is by the plural drive that is provided with along aforementioned each both sides, path, and wherein part or whole drives transmit its rotary powers by at least one motor 31, make original copy 2 and drive have the drive connection that the surface contacts.In Fig. 1, drive can further be distinguished again and accept a plurality of rollers 321 that motor 31 outputting powers reach driving relationship, 322,323,324,325,326 transmission of power of indirectly motor 31 being exported are given each roller 321,322,323,324,325, a plurality of driven pulleys 33 of 326, and with respect to each roller 321,322,323,324,325,326 are arranged on a plurality of idle pulleys 34 of transferring path 11 and rotary path 12 opposite sides, wherein aforesaid roller 321,322,323,324,325,326 include and are arranged on first roller 321 and second roller 322 that approaches paper inlet 17 and exit slot 18 at least, and suitably be distributed in according to path conduct length and transfer path 11, rotary path 12 and a plurality of rollers of deriving on the path 13, the 3rd seen in this example for example, four, five, six rollers 323,324,325,326, allow the original copy 2 can be by entering from paper inlet 17, via each roller 321,322,323,324,325,326 presented the path of institute's warp, at last again outside exit slot 18 is sent automatic paper conveying apparatus 1.

Guidance set 14 is arranged on the fork-join place that transfers path 11 and rotary path 12, can be moved to a primary importance with rotary path 12 sealings, shown in Fig. 2 A, original copy 2 is directly discharged from exit slot 18, or move on to one and will transfer path 11 sealing and make original copy 2 import the second place of rotary paths 12, shown in Fig. 2 B, allow original copy 2 in rotary path 12, produce the action of turn-over, and then enter handover path 11 by scanning area 111, import again at last and transfer path 11, discharge from exit slot 18.On using, guidance set 14 can be the magnetic valve of a tool shown in Fig. 2 A, Fig. 2 B, be provided with a guide plate 141 (as the rigidity lamellar body) in magnetic valve, utilize the effect of the excitatory or demagnetization of magnetic valve Inside coil (not shown), allow guide plate 141 on first and second position, do the variation of transposition.

Aforesaid first and second guide card 15,16 (as having flexible mylar film etc.) is the fork-join place that is arranged on simultaneously between the path, the guiding effect of original copy 2 directions of advance is provided, can be divided into first guide card 15 and second guide card 16 shown in 2D figure shown in Fig. 2 C in the present embodiment, the original copy 2 that enters rotary path 12 can be led back and the path by scanning area 111 again, and allow once more the original copy 2 by scanning area 111 import and export path 13, discharge from exit slot 18 more at last.

In Fig. 3,4, pointed out the schematic diagram that carries out list/duplex scanning action for automatic paper conveying apparatus of the present utility model; At first see also single-sweep action shown in Figure 3, and cooperate graphic being described as follows:

Suppose that the user controls automatic paper conveying apparatus 1 by software or machinery panel and carries out single-sweep when action, guidance set 14 can remain on the primary importance, driving first roller 321 by motor 31 immediately will place original copy 2 feed-ins on the feeding box 171 to transfer in the path 11, when original copy 2 arrives the fork-join place that transfers path 11 and derivation path 13 by the 3rd roller 323, original copy 2 can be pushed first guide card 15 open, pass through scanning area 111 then along the path, allow bare engine module 4 this face that original copy 2 is faced scanning area 111 can be carried out scanning motion, subsequently promptly by guidance set 14, take out of outside the exit slot 18 in transferring path 11 by second roller 322, allow original copy 2 arrive in the paper output box 181.

Next consults Fig. 4, if the user controls automatic paper conveying apparatus 1 by software or machinery panel to carry out the duplex scanning action, guidance set 14 can move on the second place, allow original copy 2 by directly carrying out in the rotary path 12 after the scanning area 111, respectively by the 4th, five, six rollers 324,325,326 movement original copys 2, and allow after original copy 2 revolution and second guide card 16 to be pushed open and import to transfer and go back in the path 11, this moment is before importing handover path 11, original copy 2 can be by an inductor 121 that is arranged on the rotary path 12, make inductor 121 can provide a signal immediately to guidance set 14, allow guidance set 14 retract on the primary importance, original copy 2 can be returned be directed to transfer in the path 11 and move in the opposite direction, again by scanning area 111, allow bare engine module 4 capture the image of original copy 2 another sides, original copy 2 is promptly again again via the guiding of first guide card 15 afterwards, entering derives in the path 13, the last exit slot 18 of transferring path 11 that is routed to is again sent, and arrives in the paper output box 181.

By above-mentioned explanation as can be known, the utlity model has the effect of the following stated:

(1) structure simplify-the utility model only adopt one the cover optical facilities and one the cover driving mechanism, add and shared many rollers, on whole cost and construction cost, reduced many.

(2) motor life and circuit reduction, the motor in this design need only folk prescription in advancing to rotation, do not have forward and backward, the life-span of motor also can improve thus, and on circuit design, also can be simply many.

Above said content only is the preferred embodiment in the utility model, is not the practical range that is used for limiting this creation; Be that the equalization that Fan Yiben creation claim is done changes and modification, be all the utility model claim and contain.

Claims

1. automatic paper conveying apparatus comprises the scanning area and the paper feed mechanism of a paper inlet, an exit slot, the path of presenting original copy to be scanned, scan-image, and combines with a bare engine module, it is characterized in that:

Described path is made up of handover path, rotary path, derivation path, described handover path is a passage that connects described paper inlet and described exit slot and the described scanning area of process, described rotary path is the passage that a guiding original copy returns described handover path, and described derivation path is the passage that and described handover path connected and connected described exit slot;

Described paper feed mechanism comprises:

One guidance set is arranged on the fork-join place of described handover path and described rotary path, can and original copy be imported between the second place of described rotary path in the primary importance that original copy is directly discharged from described exit slot and move;

First guide card is arranged on the fork-join place that described rotary path imports described handover path;

Second guide card, be arranged on described handover path with the fork-join place in described derivation path.

2. automatic paper conveying apparatus as claimed in claim 1 is characterized in that described paper inlet is provided with a feeding box.

3. automatic paper conveying apparatus as claimed in claim 1 is characterized in that described exit slot is provided with a paper output box.

4. automatic paper conveying apparatus as claimed in claim 1 is characterized in that described handover path, rotary path and derivation path are level and smooth passage.

5. automatic paper conveying apparatus as claimed in claim 1 is characterized in that described paper feed mechanism includes a plurality of drives along described handover path and the setting of described rotary path both sides.

6. automatic paper conveying apparatus as claimed in claim 5 is characterized in that described train is by motor transmission rotary power.

7. automatic paper conveying apparatus as claimed in claim 1 is characterized in that described guidance set is a magnetic valve.

8. automatic paper conveying apparatus as claimed in claim 7 is characterized in that described magnetic valve is provided with a guide plate, the excitatory or demagnetization of the described magnetic valve Inside coil of described guide plate act on the variation of doing transposition on first and second position.

9. automatic paper conveying apparatus as claimed in claim 8 is characterized in that described guide plate is a rigidity lamellar body.

10. the described automatic paper conveying apparatus of claim 1 is characterized in that described first, second guide card is one to have flexible mylar film.