JPS6312537A - Sheets feeding device - Google Patents

Abstract

PURPOSE:To increase the degree of freedom of a device body for its layout by arranging so that a cassette receiver unit equipped with a cassette holding means and a sheet feeding means can be drawn out from either of the side openings of a cassette receiving passage. CONSTITUTION:A cassette receiver unit 20 holding a feeder cassette 9 on one side is movable along a cassette receiving passage 10, and is so constructed that it can be drawn out to outside of the device body 1. Therefore, eventual sheet clog position of the cassette receiver unit 20 or places for maintenance and inspection operations are exposed to outside the device body 1. Also the cassette receiver unit 20 can be exposed to outside the device body 1 on its both sides. Therefore, either of the device body sides 1 can be selected freely when the drawout space for the cassette receiver unit 20 is to be secured as a space for sheet removal in the event of sheet clogging or a space for maintenance and inspection of the sheet feed and transport system.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a sheet feeding device for paper, etc. used in a sheet processing device such as a copying machine or a printer, and in particular, the present invention relates to a sheet feeding device for paper, etc., used in a sheet processing device such as a copying machine or a printer. The present invention relates to an improvement of a sheet feeding device in which a feeding cassette containing sheets is inserted and mounted.

[Prior Art] To explain a conventional sheet feeding device using a sheet feeding device of a copying machine as a sheet processing device as an example, for example, a cassette receiving portion is provided on one side of the machine body, and the paper is fed to the cassette receiving portion. There is a device in which the feeding cassettes 1 to 1 are inserted and mounted, and sheets of paper stored in the feeding cassette are fed to a transfer section inside the machine.

``Invention solves problems'', but problems 1)
, this J, U(r) If there is a paper jam in the paper feeder?! Til Sera 1~
l After avoiding In2, the paper must be removed inside the machine. If it is not /r, the paper removal work is not only troublesome, but also the paper feeding system When performing maintenance j1,
Unfortunately, maintenance and inspection work may lead to a disappointing situation.

In order to overcome these se and I, conventionally,
A feeding cassette is attached to the storage area of the machine from curry 1 to cassette for feeding, and the entire feeding group from which paper is fed from curry 1 to curry 1 can be pulled out.^6. 111 Paper feeding system When a paper jam occurs in the feeding section, or during maintenance inspection 11 Work 11.1, pull out the feeding section body from the storage area in each drawer 11 and remove the paper outside the machine.) 111 Paper feeding system Is there something wrong with the maintenance and inspection? (Jikko Sho 57)
-11956)).

However, in the paper feeder N of this scale, the drawing direction of the entire paper feeding group is uniquely determined, so when installing the machine, it is necessary to perform paper removal work or maintenance on a specific side of the machine. It is necessary to secure the drawer space of the above-mentioned feeding section as an inspection work space, and the
This creates a problem in that the degree of freedom in the layout of the aircraft is restricted.

[Means for Solving the L Problem] This invention was made by paying attention to the above problem, and is based on a type in which a feeding cassette is attached to one side of the aircraft, and the layout of the aircraft is To provide a sheet feeding device capable of easily performing removal work of sheets 1 to 1 when a sheet is jammed and maintenance and inspection work of a sea mill feeding system while increasing the degree of freedom in sheets 1 to 1.

In other words, the present invention is configured such that a feeding cassette is inserted into one side of the machine body in the sheet 1~processing device, and the sheets in this feeding cassette are fed to the processing section in the machine body. In the sea 1~feeding device, a cassette l":"8: IJ oil passage setting (J, In this cassette I~ receiving path, there is a cassette holder rg in which the feeding cullet 1~ is held, and a cassette holder rg for holding the feeding cullet 1~, and a cassette holder rg that directs the sea 1~ in the feeding cullet to the sea 1~ feeding device which leads to the processing section. IJ sending guide 1~Sender 1'Q
/J' aQ 'r, jInstall the cassette receiving unit, and place the 1st input set i~receiving ()Z1 knit in the 4-arranged cassette receiving unit. The cassette holder 1 is supported movably along the cullet holder path so that the cassette holder 1 can be pulled out.

In this way, the scope of application of this invention is +, l, double''; Targeting general equipment, and in addition, 7F is installed on the aircraft in advance.
)+'J'b is not limited to
536''; Of course, 6) (6) published in '3 is better.

Further, the cassette receiving unit may be provided with a cassette holding means for the target or plural feeding cassettes and the sheet feeding means described above, and other functional means may be provided with the cassette receiving unit. It may be installed on the cassette holder (as long as it does not impair the movement of the cassette holder) or on the passage side.
There is no problem with j.

In this case, the end position of the sheet guide shed of the first sheet feeding means may be appropriately set at any location on the sheet transport shuttle leading to the target processing section.

Furthermore, the range of the cassette receiving unit that can be pulled out of the UNITSU machine has been appropriately selected from the viewpoint of being able to deal with sheet jamming accidents and also being able to carry out maintenance and inspection work on the Seamill feeding system. There is no problem.

In this case, if the cassette holder (Aspect 1 to prevent the cassette unit from falling off) is damaged when the cassette 1 to holder (two units are pulled out), the position regulating means for regulating the drawer position of the cassette holder (two units) should be moved. Install the cassette receiving unit from the aircraft!
However, from the perspective of further improving the maintenance and inspection workability of the sheet feeding system, it is necessary to completely remove the entire unit from the aircraft body depending on the required TJq.
Take off your clothes! 14? [Function] As mentioned above, according to the technical means, the cassette receiving unit which holds the feeding cassette on one side is arranged along the cassette receiving path. -) is movable, and the above-mentioned power supply receiver () is configured so that it can be pulled out of the machine, so the parts where the sheet gets jammed in the receiver unit and the maintenance/inspection work area can be removed from the machine. will be exposed.

In addition, since the above-mentioned sheets are exposed outside the machine on both sides of the machine, there is no need to remove the work space or When securing a drawer space for the cullet receiver 1/1 knit as a maintenance/inspection work space for the sheet feeding system, it becomes possible to arbitrarily select any side of the machine body.

[Embodiment] Hereinafter, an embodiment in which a sheet 1 feeding device according to the present invention is applied to a sheet feeding device of a copying machine as a sheet processing device will be described in detail.

In the embodiment shown in FIG. 1, a body 1 of a copying machine includes an exposure device 2, a photosensitive drum 3, a developing device 4, a transfer device 5, a fixing device 6, and a storage frame 1 that stores these accessories.
a, and a support frame 1b that supports this storage frame 1a.
A paper feeding device equipped with a negative feeding cassette 7 is provided on one side of the storage frame 1a, while a paper feeding device (to which the present invention is applied) is provided on the supporting frame 1b. Sheet feeding device) A is designated as the installation number.

In this embodiment, the sheet feeding device ff1A has, as shown in FIGS. 1 to 3, a cassette 1 to a receiving passage 10 that open at corresponding positions on both sides of the support frame 1b.
A force receiving unit 20 is installed in this cassette receiving passage 10, and a cassette receiving unit i~
One side of the cassette 20 is used as a cassette receiving part, into which a pair of feeding cassettes 9 containing sheets are inserted.

Above) j set receiver ('''' Leek 1 to 20 has feeding cassette 9 held on one side) Jt? The cassera 1 to holding-r stages are provided with a feeding cassette 1.
A recess 22 is provided in which the cassette 9 is received, and the feeding cassette 9 is held in position within the recess 22 by the side positioning member 23 and the holding portion +424-C'.

In addition, in the four parts 22, there are provided pressurizing plates 1 to 25 for pushing up the paper in the feeding cassette 9, and pressure plates 1 to 25 are provided in the upper part of the feeding cassette 9 of the saw unit 20. , 1 paper feeding means (sheet feeding means) 27 is disposed, and a feeding cassette 9 is provided.
The paper inside is pressure plate t2! The paper feed roller 27 is brought into pressure contact with a predetermined contact pressure through the paper feed roller 27. Then, the paper that has been sent out from the feeding cassette 9 and has been rotated by 270 rotations of the paper feed 11 to the receiving unit 20 is transferred to the guide 30 of the storage frame 1a. A sheet feeder 29 is provided as a sheet feeder (sheet feeder), and the guide 30 moves the sheet from the chute 29 to the transfer section between the photosensitive drum 3 and the transfer device 5. (Processing part) J: Turns out to be a sea urchin. Further, for example, a feeding cassette 9
If the cassette 9 accommodates large-sized paper, the two sheets corresponding to the feeding cassette 9 are provided with a transport roller 31 and a binge roller 32 for smoothly transporting the paper.

Incidentally, in FIG. 2, reference numeral 33 is a detection device for detecting the presence or absence of paper in the feeding cassette 9.

Further, in this embodiment, a kite rail 11 is installed on the bottom wall of the above-mentioned Noj Sera 1 to receiving passage 10 as a supporting means by extending in the length direction thereof,
Uke()] Attach the guide rail 1 above to the bottom wall of Ninira 1 to 0.
1 is formed with a guide recess 35 that is slidably fitted thereinto, and the cassette receiving unit 20 is supported so as to be movable along the cassette receiving t-1 passage 10. A pair of strikers are provided on the bottom wall of the passage 10 of the cassette receiver 1.
12.13 are provided protrudingly, and on the bottom walls of the cassera 1 to the receiving unit 20 corresponding to these strikers 12.13, there are provided strikers 12.13 that engage and disengage from the strikers 12.13.
0 = With the "1" handles 3G and 37 held in Mu LJ, and the 1" handles 36 and 37 locked in the 7 levers 12.13, the cassera 1 to receiver IJ ff1 to 20 are When the paper is sent to the guide 30, the handles 36 and 37 are operated to release the locking state with the C striker 12.13.
(The unit 20 moves 1q) toward the side where the state has been released.
-) '(There is also a cassette holder (not shown) on the bottom wall of the passage 10. is protruded, and when both people are engaged, Kare 1 ~ Receiving Conit 2
The withdrawal range of 0 is restricted. Konomi 161uJ lgo, 13i-rtJ, cassette holder 1]
Approximately the area of 1 unit 20 is set as a joint I and a support frame 11 on both sides of the J passage 10 + an outside filtration J.

Furthermore, the drive train of paper feed 11--no 27)? For example, there is a small part b in the mechanism shown in Fig. 4. This is storage frame 1
Is there a drive 1 on the a side? ■1. 1. -J, this drive 1″
When the 4f transmission gear 51 is engaged with the support frame 1+1 side, a force of 1 is applied to Jt! Tsu 1 ~ Uke (Jl
- On the side of the unit 20, there are provided = 11 - side gears 52 which mesh with the transmission gear 51 when the cassette receiving unit 20 is set at a predetermined position. 1-57 to the clutch 58, and this clutch 5
The paper feed roller 27 is rotated at an appropriate timing in response to the interruption of the number 8. The conveyance roller 31 is configured to transmit the drive of the knit side gear 52 through the chain 53 and the gear sprocket 59.

Therefore, according to this embodiment, the feeding cassette l-9 is attached to the cassette receiving unit 20 while the cassette receiving unit 20 is held at a predetermined position in the cassette receiving path 10. Then, the paper in the feeding cassette 9 is sent out from the feeding cassette 9 as the paper feeding roller 27 rotates, and is guided by the guide 30 through the chute 29 and then supplied to the transfer section.

Nowadays, if it is difficult to secure sufficient space in the drawing direction of the feeding cassette 9 due to the installation space of the machine, a paper jam accident may occur in the above-mentioned sections 1 to 29. If so, the operator
Shown in Figures and Figure 5 - 1J: Sea urchin, cassette holder (1I111 removed feeding cassette 9 from Noni 1nit 20)
For example, after operating the lock handle 36 to release the locked state from the lock handle 3 [) to the Leica 12, move 20 to the arrow a to -1 mark l - receiver 1] 1 Move #JI 7' Pull it out in the J direction and remove the paper at the stopped position as shown in Figure 1. In this case, the force txyl-receiver (from the J passage 10 to the cullet receiver j'J Units 1-20 will not drop out unnecessarily,
The 20 sheets 29 are placed on one side of the passage 10 - C☆ Holding frame 1b
It is set to be exposed to the outside. For this reason, the seal l-1
Removal of the paper in the ~29 section can be easily performed outside the machine.In addition, when performing maintenance and inspection work on the paper feeding system, the same procedures as described above should be carried out. I: If you operate the cassette receptacle 1-7F+ (outside the body/drawer), perform the above maintenance inspection 1'1 [, 1tl (*
'A, c・Easy to do (qru).

-1:1 - Also, considering the installation space of aircraft 1, the above cassette receiver 1
In cases where it is difficult to pull out one unit 20 in the direction of arrow a, when a paper jam occurs in the paper feed section 29 or when performing maintenance and inspection of the paper feeding system, the operator or worker should refer to Figs. As shown in FIG. 6, after removing the feeding cassette 9 from the cassette receiver unit 20, and then operating the other lock handle 37 to release the locked state between the lock handle 37 and the striker 13, The cassette receiver (unit 20) may be pulled out in the direction of arrow A, which is opposite to the direction of arrow a, and paper removal work and maintenance and inspection of the paper feeding system may be performed at the stopped position.

[Effects of the Invention] As explained above, according to the sheet feeding device according to the present invention, in a type in which the feeding cassettes 1 to 1 are mounted on one side of the machine body, the feeding cassette is held. The cassette receiving unit itself, through which the sheets in the feeding cassette are fed and guided, is exposed to the outside of the machine, so it is possible to remove sheets in the event of a sheet jam, and to perform maintenance and inspection of the sheet feeding system. In this case, since the work can be carried out directly outside the machine, it is easier to remove sheets 1 to 1 when a sheet is jammed and to perform maintenance and inspection of the sheet feeding system.

Further, according to the present invention, since the drawer space for the cullet receiver (noconite) can be selected on either side of the machine body as a work space for sheet removal or a work space for maintenance and inspection of the feeding system to sea 1, it is possible to The number of free traces on the layout can be greatly increased.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram showing the approximate dimensions of an embodiment in which the feeding device according to the present invention is applied to a sheet processing device H, and Fig. 2 is a medium-sized Enlarged view of section, 3rd
The figure is a cross-sectional view taken along the line III--III in Figure 2, Figure 4 is a view of the main part of the UA from IVh direction in Figure 3, and Figures 5 and 6 are paper feeders of the paper feeder according to the embodiment. FIG. 4 is an explanatory diagram showing a process of maintenance and inspection work in the case of a jam or a paper feeding system. [Symbol μ) Bright] (A>...Paper feeding device (between Sea 1 and feeding device) (1)...
・Body (3)...Photosensitive drum (5)...Transfer device (9)...Feeding cassette (10)...Cassette receiver () passage (11)...Guide rail (supporting means) )(20)・・
- Cassette receiving unit (22)... Four parts (cassette holding means) (23)... Side positioning member (cullet holding means) (24)... Pressing member (cassette holding means) (21)... Paper feed roller (sheet feeding means)
(29)... Sheet feeding means (30)
...Guide (Sheet Transport System Benji) Patent Applicant: Fuji Xerox Co., Ltd. Attorney Tomohiro Nakamura (2 others)

Claims (1)

[Claims] A feeding cassette (9) is inserted into one side of the body (1) of the sheet processing device, and the sheets in this feeding cassette (9) are processed in the body (1). In the sheet feeding device configured to feed the sheets to the parts (3, 5), from one side opening of the machine body (1) into which the feeding cassette (9) is inserted to the other side of the machine body (1) corresponding thereto. A penetrating cassette receiving passage (10) is provided, and in this cassette receiving passage (10), cassette holding means (22, 23, 24) for holding the feeding cassette (9) and feeding cassette (9) are provided. ) is provided with a cassette receiving unit (20) provided with sheet feeding means (27, 29) for guiding the sheets in the sheet transport path (30) leading to the processing section (3, 5), and Cassette receiving unit (
The cassette receiving unit (20) is movably supported along the cassette receiving passage (10) so that the cassette receiving passage (10) can be pulled out from either side of both openings of the cassette receiving passage (10). A sheet feeding device characterized in that a support means (11) is provided within a cassette receiving passage (10).