JPS5952829B2 - Copy machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention has a sorting device (sorter) that distributes duplicated copies and aligns the pages, and a sorting tray that allows the copies to be sorted for each series of copies. Regarding copying machines.

Furthermore, the present invention relates to a copying machine equipped with an automatic sheet document feeding device that allows sheet documents to be automatically passed one by one through an exposure section and copied. In order to improve the efficiency of copying work using a copying machine, it is necessary to streamline the document organization, which accounts for a large portion of copying work, such as replacing originals and aligning the pages of copied copies.

An automatic document feeding device has been devised to automatically replace documents. In addition to a document table on which thick documents are placed, a slit exposure section for exposing sheet documents is provided, and this section is equipped with automatic sheet feeding.
”5 In addition to this method, a method has also been devised in which sheet originals are automatically fed onto the document table on which thick originals are placed. However, when designing the original pressure bonding plate, special techniques are required to transfer and hold the original sheet on the glass surface, which is technically difficult. Moreover, the copying speed is the same as when copying ordinary thick originals, and the handling of the original is only convenient.Furthermore, the pressure bonding plate obstructs the copying work of thick originals. The former method (1) requires a slit (exposure optical path) for sheet original exposure to be provided in the copying machine body, and there are often some difficulties in designing the main body. Since it is only necessary to pass the document through the exposure slit, this type of automatic document feeder can be designed very easily.

Therefore, the reliability is high and the cost is low. Also, compared to the latter method, there is no need for a portion corresponding to the backward movement process of the optical system for slit exposure, and the corresponding time is saved, and the covey speed is increased to approximately twice that of the latter method. Furthermore, in this method, since the thick original document mounting table and the sheet original automatic feeding device are completely independent, it is also possible to insert a sheet original copy into the middle of copying a thick original document. However, since each original passes through the device once, only one copy can be obtained, so if several copies are required, the original must be reloaded the same number of times as the number of copies. be. Most of the small-sized copying machines used in ordinary offices use the former method (1) because they are rarely required to make a large number of copies.

The present invention has an automatic sheet document feeding device of this type. A device (sorter) has been devised to organize copies (page alignment).

This is a method that sorts copies of the same manuscript one by one onto several shelves, and when the required number of copies of each manuscript is made, at the end of copying (or one copy with page alignment is sorted on each shelf). Small and simple devices have also been devised for this device.
These automatic document feeders and sorters are also required for small copying machines in ordinary offices, but there are some contradictions in meeting these requirements, which will be explained below using the drawings. To go.

FIG. 1 shows a cross section of a copying machine according to an embodiment of the present invention.

The original on the original table 1 is scanned in a slit shape by reciprocating scanning mirrors 3 and 4, and the image thereof is formed on a drum 11 i. When copying a sheet original, the rightmost sheet original automatic feeder 2 is used. When original 0 is loaded on the original feeding table 6 and a start button (not shown) is pressed, the scanning mirror moves to the right end (positions 3' and 4') and is held there. At the same time, the switching mirror is also held at the 5' position,
The original image of the sheet original passing through the exposure section 7 is projected onto the drum. Next, the sheet originals are automatically separated one by one by a separation roller 27 and sent out, and further fed by a series of feeding rollers to the exposure section 7.
The document is exposed to light and discharged onto the document tray 8. The copying machine of this embodiment has two paper feed force sets 12 and 13.
The selected transfer paper is fed toward the photosensitive drum 11, and the image on the drum is transferred to the transfer paper at the transfer section 14. Thereafter, it is separated from the drum and discharged onto the copy tray 9. A simple sorter 16 is arranged at the upper left end of the machine body, and when the conveyor belt 15 is in the lowered position as shown in the figure, copies are further conveyed to the sorter 16 and further It is discharged from the discharge port 18 onto a large number of sorting shelves 17. Initially, all the sorting shelves 17 are pulled up one level, and the locking levers 19,
20 and the levers 21 and 22 that control it, the copies are dropped one step at a time from the lower shelf. The copy will be ejected into the wide open space between the fallen shelf and the still locked shelf, and will be received by the fallen shelf. In FIG. 1, a belt pulley 35 and an auxiliary pulley 36 at the end of a belt 15 that receives and conveys copies discharged from a copy outlet 34 are attached to an arm 37. (It is designed to be able to rotate around a shaft 39 fixed to the frame 38 of the lie sorter.

This arm 37 has a long slot 40, and a pin 4 of a rotating arm 42 fixed to the output shaft of a motor 41 with a reducer.
3 is on this list. This motor 41 rotates the rotary arm 42 by half a rotation in response to a signal similar to the switching of the sorting tray, and therefore can raise the arm 37 to the position shown by the two-dot chain line. Auxiliary pulley 36
This prevents the bell opening 5 from becoming too slack when the belt 15 is raised.

In this way, the copy is transferred into the sorter by the conveyor belt 15 or directly received on the tray 9. At this point, you must pay attention to the order of the manuscript, copying, and front and back sides.

That is, in the automatic sheet document feeding device, the sheet documents are placed face down and copies are made one by one starting from the topmost document (the last page). Correspondingly, the copies are ejected from the copying machine with the last copy facing up, so that if the copies are received in the tray 9 as is, the order will match the order of the originals. When ejecting to the shelf 17 of the sorter 16 (in this case, it is assumed that the series of copies are all stored on one shelf), they are stacked face down, so the order is correct. We must be careful not to do the opposite. On the other hand, when copying using the document tray, the natural operation is to copy from the first page, so in this case (in this case, if the document is received in tray 9, the order will be reversed, and it will be placed on the shelf 17 of the sorter. Acceptance brings order.

In a copying machine equipped with such an automatic sheet document feeding device, it is not possible to simply replace the copy tray with a sorter.

The present invention focuses on the role of the tray in such cases, and will be further explained with reference to FIGS. 1, 2, 3, and 4. In FIGS. 2, 3, and 4, the sorter is shown with the sorter removed for illustrative purposes.

A support arm 23 for supporting the copy tray 9 is fixed to the main body of the copying machine, and a receiving portion 24 having a hole for receiving the tray is provided at the tip of the support arm 23. There are also two protrusions 25 on the main body of the machine for receiving the tray. On the lower surface of the tray 9, there is a protrusion 26 corresponding to the receiving part 24, which fits into the hole of the receiving part 24. Further, the two protrusions 25 support the tray 9 from below. There is a notch 27 at the end of the tray 9 on the machine body side, into which a displacement pin 28 for displacing the tray is fitted. The displacement pin 28 is guided along the guide groove. The displacement pin 28 is connected by a connecting rod 29 to an arm 31t fixed to the output shaft of a motor 30 with a reducer. The motor 30 is started by the switching signal,
It is stopped when the arm 31 pushes the position detection switch 32 or 33.

In this way, the tray 9 swings between two positions with its protrusion 26 as the center of rotation.

FIG. 2 shows the tray and its stacked state of copies immediately after a series of copies have been completed in a case where the tray is configured to receive copies.

As can be understood from Figure 1, this tray is tilted so that the copying machine main body side is lower, so the ejected copies slide back on the tray surface and move back to the abutment area at the rear end of the tray. It stops when it hits 9,,92. FIG. 3 shows the tray and the stacked state of the copies immediately after the next copying is completed after the position switching is performed. At this time, since the tray is rotating, the rear end of the copy is stacked against the abutting portions 93 and 94, which are different from those during the first copy. In this way, each series of copies can be clearly distinguished. Although this sorting tray can be used alone as a substitute for a sorter,
If this is combined with an automatic sheet document feeder and a sorter, even greater features will emerge. In other words, when using the automatic sheet document feeder as described above, if the sorting tray is moved in response to a signal that there are no more documents on the sheet document feeder, the required number of copies will be made one by one. Since the documents are stacked on the sorting tray in the same order as the originals, it is easy to perform post-work such as stapling. Moreover, this sorting tray can also be linked to prevent overflow of the sorter, which is likely to occur when a small sorter as in this embodiment is equipped. In this case, the remainder of the copies that have been page-aligned in the sorter will be stacked differently on the sorting tray for each identical copy. You will have to manually align the pages in this part, but it is easy to do because the pages are separated. As described above, in the present invention, a copying machine equipped with an automatic sheet document feeder and a sorter is further provided with a sorting tray.The copying machine uses the copying machine main body as the center, copies made using the document mounting table are sorted, and copies made by a single sheet are sorted. The tray can be equipped with a variety of system-like functions, such as a separation tray when using an automatic sheet document feeder, and a separation tray that also receives the residue that overflows the sorter. You can greatly improve your business.

[Brief explanation of drawings]

FIG. 1 is a sectional view of an embodiment of the copying machine of the present invention, FIG.
FIG. 3 is a perspective view showing the tray portion when the copy tray receives copies, and FIG. 4 is a plan view showing the swinging mechanism of the copy tray. 2 is a sheet document automatic feeder, 9 is a copy tray,
15 is a conveyor belt, 16 is a sorter, 17 is a sorting shelf, 18 is a discharge port, 19 and 20 are locking levers, 21 and 22
is a control lever, 23 is a support arm, 24 is a receiving part, 25,
26 is a projection, 27 is a notch, 28 is a displacement pin, and 29 is a connecting rod.

Claims (1)

[Scope of Claims] 1. A sorter that receives copy sheets discharged outside the machine and sorts them leaf by leaf into a plurality of sorting shelves, and a sorter tray that is displaced into two positions and receives copy sheets at each position. , means for alternately displacing the sorting tray to two positions, and the copying machine is configured to separate copy sheets overflowing from sorting into the sorter with the sorting tray. 2. A document placing table capable of placing even thick originals, a sheet document placing table on which sheet originals are placed, and a feeding means that automatically separates and sends out the sheet documents on the sheet document placing table one by one; an exposure unit for exposing a sheet original fed by the feeding means to slit exposure; a means for transporting the sheet original; a sorter for receiving copy sheets discharged outside the machine and sorting them sheet by sheet into a plurality of sorting shelves; a sorting tray that receives copy sheets at each of the two positions, means for alternately displacing the sorting tray between the two positions, and a copy processing means for copying an original image; A copy sheet with a copy of the original image on the document mounting table is received in the sorter, and a copy sheet with a copy of the original image passed through the exposure section is received in the sorting tray for sorting. A copying machine characterized by: 3. Claims characterized by comprising means for switching the copy sheet conveyance path between the sorter and the sorting tray, so that copy sheets that overflow the sorter are automatically received in the sorting tray. Copying machine according to paragraph 2.