KR100318740B1 - Apparatus for adjusting document of facsimile - Google Patents

Abstract

The present invention relates to a document alignment device of a facsimile, wherein a reduction gear is engaged with a drive gear of a drive motor, first and second swing gears are engaged with a reduction gear, and a control unit selects a second swing gear to a pickup roller for a predetermined time. While driving the power while the predetermined time elapses, the driving motor is controlled to transmit power to the white roller through the first swing gear.

According to the present invention configured as described above, if the start command is applied after setting the original, positive polarity is applied to the drive motor by the controller for a predetermined time, and the reduction gear is rotated by receiving the rotational force from the drive gear, and the second swing gear is The pickup roller is rotated. At the same time, the first swing gear is spaced apart from the white roller so that the white roller remains stationary. Since the white roller is stopped, the document being picked up cannot be transferred to the reading module side, and the tilting is compensated by the rotational force of the pickup roller. Subsequently, when a predetermined time elapses, a negative polarity is applied to the driving motor so that the second swing gear is spaced apart from the pickup roller, and the first swing gear transmits power to the white roller, and the original is transferred by the white roller.

Thereby, even if the document is inclined, the image quality can be maintained because it is aligned before being transferred to the reading module.

Description

Facsimile aligner {APPARATUS FOR ADJUSTING DOCUMENT OF FACSIMILE}

The present invention relates to a facsimile manuscript aligning apparatus, and more particularly, to a facsimile manuscript aligning apparatus capable of compensating for the inclination of the original before being transferred to the reading module.

In general, a facsimile, which is an example of an image forming apparatus, is largely divided into a scanning unit and a printing unit, and as shown in FIG. 1, the scanning unit contacts the pickup roller 1, which feeds an original, and the pickup roller 1 at a predetermined pressure. Friction pad (2) for separating originals into sheets, a reading module (3) for reading the original data, and a white roller for supporting and reading the data clearly so that the original is in close contact with the reading module (3). (4) and a discharge roller 5 for discharging the finished document to the outside of the apparatus.

Briefly describing the driving of the scanning unit, the remaining components except for the read module 3 is in the form of a roller, and receives the driving force of the driving motor (not shown) through the gear train.

When operation of the device is started and power is applied to the drive motor, the drive gear 6 is rotated, and the rotational force is transmitted to the primary reduction gear 7 and the secondary reduction gear 8, and the secondary reduction gear 8 Rotational force is transmitted to the white roller gear 4a and the idle gear 9 to drive the white roller 4 and the pickup roller 1, respectively. And, although not shown in the drawings, the rotational force of the drive motor is transmitted to the discharge roller through the gear train to drive the discharge roller.

After loading the document on the platen through this driving device, select the receiving number, and when the connection is completed and the start command is applied, the pickup roller 1 picks up the original sheet by friction with the friction pad 2, The original passes between the reading module 3 and the white roller 4, and the reading module 3 reads the data of the original. The white roller 4 transfers the document to the discharge roller 5 side, and the discharge roller 5 discharges the original to the outside of the machine.

However, in the fax according to the prior art, carelessness of the user during conveyance of the document, shaking of the pickup roller 1, deviation of the parallelism between the pickup roller 1 and the white roller 4, and frictional force between the document guide, etc. For this reason, the inclination is generated, and the document is conveyed to the read module 3 side in an inclined state, and then, while the inclination is increased by the frictional force between the read module 3 and the white roller 4.

The read module 4 reads the inclined data and transmits the read data to the receiving side through the transmitter, and the printing unit of the receiving side prints the received data in the inclined state. That is, there is a problem that the inclination of the receiving data occurs due to the inclination of the transmission original.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a document alignment apparatus of a facsimile which can prevent image defects on the receiving side by compensating for the inclination of the document before being transferred to the reading module. .

1 is a schematic diagram showing the mechanism of a typical facsimile;

Figure 2 is a block diagram showing an embodiment according to the present invention.

3 is a block diagram showing another embodiment according to the present invention.

<Description of the symbols used in the main parts of the drawing>

1: pickup roller 4: white roller

6: Drive Gear 10: Reduction Gear

20,30: Swing gear

Facsimile manuscript device of the present invention for achieving the above object, the drive means for selectively transmitting power to the pickup roller or the white roller, and a control unit for controlling the drive means such that the white roller is stopped for a predetermined time during pickup It is characterized in that the original to be picked up, including the alignment by the white roller of the stationary state.

The drive means includes a drive motor as a drive source, and a power transmission member for transmitting a driving force of the drive motor to the pickup roller or the white roller, wherein the power transmission member is engaged with the drive gear of the drive motor and is connected to the drive gear. It is preferable that the first swing gear transmits power to one side while revolving along the driving gear according to the rotational direction.

And a second swing gear that is engaged with the drive gear and transfers power to the pickup roller when the swing gear is connected to the white roller in cooperation with the first swing gear to simultaneously drive the pickup roller and the white roller. It is preferable.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

2 is a configuration diagram of an embodiment according to the present invention, Figure 3 is a configuration diagram of another embodiment of the embodiment according to the present invention, and for the convenience of description, the same reference numerals are assigned to the same constituent members as the prior art.

As shown in FIG. 2, one embodiment of the manuscript alignment device of the present invention includes a drive motor (not shown) and a second stage in which the first gear 11 is engaged with the drive gear 6 of the driving motor. The white roller gear 4a or the pickup roller gear meshes with the reduction gear 10 and the second gear portion 12 of the reduction gear 10 and revolves along the second gear portion 12 of the reduction gear 10. And first and second swing gears 20 and 30 selectively engaged with (1a), and a control unit for controlling the white roller 4 to be temporarily stopped by changing the rotational direction of the driving motor according to the position of the original. do.

The first and second swing gears 20 and 30 are connected through the connecting arm 21.

Referring to the operating state of the embodiment according to the present invention configured as described above are as follows.

After setting the original on the platen, the receiving side dial is selected, and when connected to the receiving side and pressing the start button, the control unit rotates the driving gear 6 clockwise by giving positive polarity to the driving motor.

The reduction gear 10 is rotated counterclockwise by the drive gear 6, and the first and second swing gears 20 and 30 are rotated in two stages of the reduction gear 10 by the rotation of the reduction gear 10. The second swing gear 30 is engaged with the pickup roller gear 1a while revolving along the gear unit 12 so that the pickup roller 1 rotates in the pickup direction of the original. At this time, the first swing gear 20 Is spaced apart from the white roller gear 4a so that the white roller 4 stops.

The originals are picked up by the pickup roller 1 and the white roller 4 is at the same time stationary. At the same time, the originals are no longer transported and aligned by the friction force between the white roller 4 and the read module (not shown). That is, while the original is transferred in an inclined state, the part in contact with the white roller 3 in the stationary state is pushed, and at the same time, the original is aligned while the remaining part is transferred.

The control unit imparts positive polarity to the driving motor for a predetermined time, and when the predetermined time elapses, the control unit applies the negative polarity to the driving motor to rotate the drive gear 6 counterclockwise.

The reduction gear 10 is rotated in the clockwise direction by the drive gear 6, and the first and second swing gears 20 and 30 are the second gear of the reduction gear 10 by the rotation of the reduction gear 10. Revolving along the portion 12, the second swing gear 30 is spaced apart from the pickup roller gear 1a like a virtual ship, and the first swing gear 20 is engaged with the white roller gear 4a like a virtual ship. The white roller 4 is driven.

By driving the white roller 4, the original passes between the reading module and the white roller 4.

Hereinafter, another embodiment according to the present invention will be described with reference to FIG. 3.

As shown in FIG. 3, a drive motor (not shown), a drive gear 6 rotated using the drive motor as a drive source, and a second gear reduction gear in which the first gear 11 is engaged with the drive gear 6. 10 and a first swing gear 40 which is engaged with the second gear 12 of the reduction gear 10 and selectively transmits power to the pickup roller gear 1a or the white roller gear 4a. do.

The pickup roller gear 1a and the white roller gear 4a are engaged with the first and second idle gears 1b and 4b for transmitting the power of the first swing gear 40.

And, according to another embodiment of the present invention, the alignment method of the original is the same as the above-described embodiment, and another embodiment according to the present invention is a pickup roller 1 together with the white roller 4 after the originals are aligned. It is characterized in that for driving to prevent the misfeeds.

To this end, the second swing gear 50 is engaged with the second gear 12 of the reduction gear 10, and the third idler gear 1c is engaged with the pickup roller gear 1a, and the third idler gear ( 1c) is engaged with the fourth idler gear 1d receiving the rotational force from the second swing gear 50.

The first and second swing gears 40 and 50 are symmetrically disposed about the second gear 12 of the reduction gear 10 and connected to the connection arm 41.

In addition, the control unit (not shown) controls the rotational direction of the driving motor so that the first swing gear 40 is engaged with the second idle gear 1b when picking up, and the first swing gear 40 and The second swing gear 50 is engaged with the first idle gear 4b and the fourth idle gear 1d, respectively, to drive the white roller 4 and the pickup roller 1 simultaneously.

Referring to the operating state of another embodiment of the present invention having such a configuration as follows.

When the start button is selected when the original is set and the start button is selected, a negative polarity is applied to the drive motor to rotate the drive gear 6 counterclockwise, and the reduction gear 10 rotates clockwise. .

As the first and second swing gears 40 and 50 revolve along the second gear part 12 of the reduction gear 10 by the rotation of the reduction gear 10, the first swing gear 40 is the second children. While being engaged with the gear 1b, only the pick-up roller 1 is driven while being spaced apart from the first idle gear 4b, and the white roller 4 is kept in a stopped state. At this time, the second swing gear 50 is spaced apart from the fourth idle gear 1d so that the pickup roller 1 is normally driven.

The originals are picked up by the pickup roller 1 and the white roller 4 is at the same time stationary. At the same time, the originals are no longer transported and aligned by the friction force between the white roller 4 and the read module (not shown). That is, while the original is transferred in an inclined state, the part in contact with the white roller 3 in the stationary state is pushed, and at the same time, the original is aligned while the remaining part is transferred.

The control unit imparts a negative polarity to the drive motor for a predetermined time, and when a predetermined time elapses, the control unit applies the positive polarity to the drive motor to rotate the drive gear 6 clockwise.

The reduction gear 10 is rotated counterclockwise by the drive gear 6, and the first and second swing gears 40 and 50 are rotated in two stages of the reduction gear 10 by the rotation of the reduction gear 10. The first swing gear 40 revolves along the gear part 12 and is spaced apart from the second idler gear 1b, and then meshes with the first idler gear 4b on the side of the white roller 4 so as to be engaged with the white roller 4. Is driven.

At the same time, the second swing gear 50 revolves and is engaged with the fourth idler gear 1d, and this rotational force is applied to the pickup roller gear 1a via the fourth idler gear 1d and the third idler gear 1c. The pickup roller 1 is rotated. That is, the pickup roller 1 is driven regardless of the position of the document, and receives power from the first swing gear 40 when picking up, and receives power from the second swing gear 50 when transferring.

The document passes between the read module (not shown) and the white roller 4 by the rotational force of the white roller 4 and the pickup roller 1.

This operation is repeatedly performed to align and transfer the originals.

Therefore, even if the document is picked up in an inclined state, the inclination is compensated before being transferred to the reading module, so that the data is inclined at the receiving side and is not printed as in the prior art.

As described above, according to the manuscript aligning apparatus of the present invention, since the data of the manuscript are aligned and printed, there is a remarkable effect such as maintaining image quality and improving product reliability.

Claims (2)

Drive motor, A first swing gear meshed with a drive gear of the drive motor and selectively transmitting driving force of the drive motor to either one of a pickup roller and a white roller while revolving along the drive gear in accordance with a rotational direction of the drive gear; And a control unit for controlling the first swing gear so that the white roller is stopped for a predetermined time during pickup, so that the original to be picked up is aligned by the white roller in a stationary state. The pickup roller of claim 1, further comprising a second swing gear meshed with the driving gear and configured to transfer power to the pickup roller when the swing gear is connected to the white roller in cooperation with the first swing gear. And a document aligning device of a facsimile machine, characterized in that the white roller is driven simultaneously.