JPS608488B2 - Automatic original intermittent feeding method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a table of a copying machine for automatically feeding originals to the so-called exposure surface, and particularly relates to a method of intermittently conveying the originals to the exposure surface. .

Recently, due to the increase in copying work, an automatic document feeder has been proposed that feeds a sheet-like original to the exposed surface and then feeds the exposed surface of the original after copying is completed (after exposure is completed).
It has been implemented.

This eliminates the need for manual work such as opening and closing the document cover that covers the exposed surface and replacing the document on the exposed surface, which greatly contributes to reducing the operator's labor and improving copying efficiency. On the other hand, if only a portion of the entire printed matter differs in content, such as with direct mail, the different portions of the printed material are copied in white, and the different contents are written in handwriting etc. in that portion. For example, address, name, etc. are recorded.

In order to solve this problem, we cut out different parts of the printed material, that is, the first manuscript, and made the second manuscript, which has multiple copy areas in which addresses, names, etc. are written, at the same time by cutting out different parts of the printed matter, that is, the first manuscript, and making them correspond to the cutouts. There is one that allows copies to be overlapped. In this case, although it is possible to save the trouble of manually writing the address, name, etc. each time, it is necessary to re-align the second document containing the address, name, etc. every time copying is completed, which is extremely troublesome. there were. That is, opening and closing the document cover, rearranging and replacing the second document every time copying is completed reduces copying efficiency. In view of the above problems, the present invention attempts to improve copying efficiency by utilizing the features of the automatic document feeder as is by using the automatic document feeder described above to intermittently transport a second document. It is.

Moreover, the present invention aims to improve copying efficiency with a simple configuration. The present invention will be described in detail below with reference to the drawings.

FIG. 1 is a cross-sectional view showing the configuration of an automatic document feeder provided at the top of the copying machine of the present invention, FIG. 2 is a plan view showing the drive mechanism, and FIG. 3 is an example of the document detector according to the present invention. The cross-sectional view, FIG. 4, shows the first and second
FIG. In the figure, 1 is the copying machine main body, 2 is an exposure surface made of a transparent glass plate provided on the copying machine main body, and an exposure lamp is provided at the bottom to illuminate the original set on the exposure surface. .

Further, 3 is an automatic document feeder provided opposite to the exposure surface 2, and 4 is a tray for receiving the document sent out by the automatic document feeder. The automatic document feeder 3 has a document holding table 5 that holds the document, and a document holding table 5 that transfers the document to the exposure surface 2.
It is comprised of a conveying mechanism 6 that feeds the document on the exposure surface 2 and also feeds out the document on the exposure surface 2. As shown in FIG. 1, the internal structure of the automatic document feeder includes a document guide roller 8 rotatably provided on a frame within a casing via a shaft 7.
Document guide plates 9, 10, and 11 are provided opposite the circumferential surface of the roller 8.

The document guide plates 9 and 10, which will be described later, are attached to the document holding table 5 side, and the document guide plate 11 is fixed to the main body of the feeding device. Further, auxiliary rollers 2 and 13 are provided opposite to the document guide roller 8, and the roller 12 is rotatably provided on the document holding table side, and the roller 13 is rotatably provided on the feeder main body side. A conveyor belt 1 faces the exit portion of the document guide roller 8 and the document guide plate 11 and is used to convey the guided document to the exposure surface 2.
4 is provided.

This conveyor belt 14 is positioned facing the entire surface of the exposure surface 2, is stretched between a driving roller 5 and a driven roller 16, and is appropriately tensioned by a tension roller 17. Further, a document feed roller 8 is provided opposite the entrance portion of the document guide plates 9 and 10. The document feed roller 8 is rotatably attached to a frame at the tip of the document holding table 5, and is rotated in a direction to feed the document toward the guide roller. A separation roller 19 is provided opposite the document feed roller 18 to prevent two documents from being fed. This separation roller 19 is different from the document feed roller 8 described above, and is a reversing roller that is rotationally driven in the direction of returning the document, and is rotatably attached to the frame of the document holding table 5. The frame for rotatably holding the upper rollers 18 and 19 is shown as a reference numeral 20 in FIG. It is rotatably held on the ear 7 of 8. Therefore, the document guide plates 9 and 10, the auxiliary roller 12, etc. described earlier are attached to this frame. Further, in FIG. 1, reference numeral 21 is a detector which is arranged at the entrance of the document guide plates 9 and 10 via a mounting member (not shown) fixed to the frame 2, and which detects the document being sent in. , 22 is a regulating plate provided on the document holding table so as to be slidable in the width direction of the document and regulates both side edges of the document; 23 is a motor that is a drive source for conveying the document;
Reference numerals 24 and 25 denote electromagnetic clutches for driving and controlling drive rollers, guide rollers, etc., and 26 a detector for detecting the document sent onto the exposure surface, which moves the leading edge of the document to a specified position on the exposure surface 2. It is fixed to the main body of the feeding device at that position.

The detectors 21 and 26 are microswitches or sensors. It is a detection means such as an optical detection element consisting of a light receiving element, and other detection means may be used. Figure 3 shows the above detector 2.
FIG. 6 is a sectional view showing an example of No. 6;

The detector 26 has a light emitting element 26- and a light receiving element 26-2 embedded integrally in a holding portion 26-3. A reflecting plate 26-4 is provided on the back surface of the exposure surface 2, facing the detector 26'. The light emitting element 26 and the light receiving element 26
12, the light from the light emitting element 5 passes through the exposure surface to the reflection plate 26-4.
The light receiving element 26-2 is embedded in the holding member 26-3 so that the light receiving element 26-2 receives reflected light from the light. Therefore, if the original is conveyed between the detector 26 and the reflecting plate 26-4, even if the light from the light emitting element 26- is absorbed, scattered, or reflected by the original, the optical noise of the reflected light will be reduced. Since the document is shifted, the light is not received by the light receiving element 26-2, and the presence or absence of the document is detected.
In addition, the reflective plate 26-4 provided on the back side of the transparent glass plate
Since it is located on the exposure surface, it is moved from the exposure surface and placed in the waiting position during the exposure period so as not to prevent the light from the exposure lamp 43 from being irradiated onto the document during exposure in the copying process. A moving mechanism may be provided to allow this. However, most of the copying machines have a part where the image is not formed due to the mechanism of the copying machine, and in such a copying machine, the reflection plate 4 is fixed to the part of the glass plate 2 corresponding to the part where the image is not formed. I won't do it to you. Furthermore, if the detector 26 is provided movably, it can be set at any position on the exposure surface 2 of the transported document. In this case, naturally the reflector 26
-4 and face the detector 26. Next, the drive mechanism of the motor 23 will be explained with reference to FIG. As shown in the figure, a gear 28 is fixed to a rotating shaft 27 to which the rotational force from the motor 23 is transmitted, and a gear 29 that meshes with this gear 28 transmits the rotational force of the fixed shaft 3 motor. ing. The shafts 27 and 30 are connected to shafts 31 and 32 via electromagnetic clutches 24 and 25. That is, the rotational force of the shafts 27 and 30 is transmitted to the shafts 31 and 32 by the action of the electromagnetic clutches 24 and 25.
A pulley 33 is fixed to the tip of the shaft 31, and the shaft 32
A gear 34 is fixed to the tip. Above pulley 3
3 is connected to the shaft 36 of the drive roller 15 shown in FIG.
A drive belt 38 is stretched between the pulley 37 and the pulley 37 fixed to the drive belt 38 . Note that the roller 39 in FIG. 1 is the drive belt 38.
This is a tension roller. On the other hand, the gear 34 is rotatably provided on the shaft 7 of the document guide roller 8 and meshes with the gear 40 .

The four gears are integrally connected to a gear 41 on the same track, and this gear 41 is connected to a rotation shaft 42 of the separation loaf 19.
It meshes with gear 43 which is fixed to. Therefore, the separation roller 19 is rotated in the opposite direction to the document feeding direction of the document guide roller 8. Although not shown in FIG. 2, the document feed roller 18 provided above the separation roller 19 is
The gear fixed to this shaft is the gear 4 of the separation roller 19.
3 through a gear (not shown) that meshes with the separation roller 19, and is driven to rotate in the opposite direction to the separation roller 19 in the document feeding direction. Although not shown in the figure, the document holding table 5 of the present invention
is movably provided so as to be positioned in a horizontal position and an inclined position.

That is, the frame 20 is rotatably held on the axis of the document guide roller 8, and locking means are provided on the frame 20 and the frame on the main body side to position the document holding table 5 in a horizontal position or an inclined position. be. If the document is in the horizontal position, manually feed the document into the main body of the feeder; if the document is in the inclined position,
Automatically feeds originals in sequence. In the structure described above, when a document is inserted, for example, manually, the document is moved to the document feed roller 1 by the action of each electromagnetic clutch 24, 25.
8. The document is transported to the exposure surface 2 by the document guide roller 8 and the transport belt 14.

When the leading edge of the document is detected by the detector 26, the operation of the electromagnetic clutch 24 is stopped by this detection signal, and the document is stopped at a prescribed position where the detector 26 is located and set on the exposure surface 2. When the next document is fed in by the document feeding inner roller 8, the detector 21 detects it, and the operation of the electromagnetic clutch 25 is stopped by the signal, and the next document is placed in a standby state at that position. Become. In the above-mentioned state, when the copying (or exposure) of the original on the exposure surface is completed, the original is ejected onto the tray 4 by the drive of the conveyor belt 14, and if there is a waiting original, etc., it is transferred to the exposure surface 2. transported.
In the automatic document feeder described above, the present invention performs intermittent feeding of the document.

In FIG. 4, reference numeral 50G is a first document in which the desired content of a direct mail or the like is clearly specified, and the shaded area 51 is an open square window for copying different content. That is, copying is performed by associating the open square window 51 with the copy area 61 in which many addresses, names, etc. of the second original 60 are written. The first original 50' is held on the exposure surface 2 and fixed by the conveyor belt 14 so as not to move. However, when the first original 50 is not needed, the exposed surface 2
more can be removed. Further, one end edge of the first original 50, that is, a portion 52 facing the detector 26 is a transparent member or a cutout, and is used to detect the second original being sent. On the other hand, the second original 60' is also provided with a notch 62 at its leading end in order to divide the copying area 61 so as to face the transparent portion 52 of the first original.

This notch 62 is provided so that the copy area 61 and the open square window 51 face each other. The transparent portion 52 of the first original 50 described above is fixed to the exposure surface 2 while facing the detector 26 (reflector).

When the side edge of the second original 60 is regulated by the regulating plate 22 and inserted, the second original 61 is transferred to the original feeding roller 18.
, is sent to the exposure surface by the document guide roller 8 and the conveyor belt 14. When the detector 26 detects the leading edge of the second document 60, the signal causes the electromagnetic clutch 24 to
Due to the stoppage of the operation, the second document 60 is transferred by the conveyor belt 16.
transport is stopped. Therefore, the copy area 61 of the second original 60 is located in the opening window of the first original 50, and copying is performed in this state. After copying is completed, the signal activates electromagnetic clutch 2.
4 to start conveying the second document 60. This conveyance causes the notch 62 of the second document 60 to be placed on the detector 2.
6' If detected, the signal causes the electromagnetic clutch 24 to stop working. In other words, after copying is complete, the second original 6
0 is conveyed, and when the notch 62 is detected by the detector 26, the opening □ window 51 and the next copy area 61 are stopped facing each other, and intermittent driving is performed. Here, in the present invention, when the Sekiguchi window 51 of the first document 50 is located at the top, intermittent feeding can be performed using, for example, the detector 26 that detects the leading edge.

However, if an open □ window is provided in the center or lower part of the first document 50 and the writing area of the second document is made to face this closed window, a transparent portion 52 is provided in the closed window and this portion Another detector may be provided oppositely. That is, by using this detector to detect the leading edge, notch 62, etc. of the second document 60, the writing area 61 can be successively faced to the Sekiguchi window intermittently. Note that if the detector 26 itself is provided movably, there is no need to provide the other detectors described above, and it may be fixed at a desired position each time. As described above, according to the automatic document feeding system of the present invention, for the Sekiguchi window formed on the first document,
In order to make each copying area of the second original manuscript face each other, a missing part and a notch part are formed in each original document in correspondence with a detector that detects the transported original document and controls the stoppage of the original transport means, By using the automatic document feed mechanism itself, it is possible to intermittently feed the copy area of the first document that is being transported so as to face the aperture window of the first document, and to transfer the second document to the first document. This is particularly effective in systems such as overlapping and copying each time, and can improve copying efficiency.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional view showing an example of an automatic document feeder according to the present invention, FIG. 2 is a plan view showing a part of the drive mechanism of FIG. 1, and FIG. 3 is an example of a detector according to the present invention. cross section,
FIG. 4 is a perspective view showing the first and second documents in intermittent feeding according to the present invention. DESCRIPTION OF SYMBOLS 1... Copying machine body, 2... Exposure surface, 3... Automatic document feeder, 8... Document guide roller, 14... Conveyance belt, 18... Document feed roller, 21... Detection vessel, 2
3... Motor, 24, 25... Electromagnetic clutch, 26...
・Detector, 26-. ... Light emitting element, 26-2... Light receiving element, 26-4... Reflection plate, 50... First original, 51.
...Open window, 52...Transparent part, 60...Second original, 6
1... Copy area, 62... Notch. Traditional 1 figure * 2 large figures 3 figures 4 figures

Claims (1)

[Claims] 1. In order to position the copied original at a fixed position on the exposure surface, a detector is provided for detecting the original transported by the transport means to the fixed position on the exposure surface, and the detection signal from the detector causes the transport means to be activated. In automatic document feeding in a control system, a first document is positioned on the exposure surface and has an aperture window formed in a portion thereof for copying another document facing the first document.
A second document having a large number of copy areas to be copied corresponding to the aperture windows of the document is conveyed by the conveyance means, and
In order to make the copy area of the second document face the aperture window of the first document, a missing part is formed in the original document corresponding to the detector, and each copy area is formed in the second document. A cutout corresponding to the missing part of the first document is formed in each of the copy areas to face the opening window of the first document, and
The detector intermittently controls the conveying means by detecting the notch part of the original document through the missing part of the first original document, and the conveying means is intermittently controlled so that each copying area of the second document is transferred to the first original document. Automatic intermittent feeding method that positions documents in the opening window.