JPH04127165A - Puching rubbish collecting container for image forming device - Google Patents

Abstract

PURPOSE:To prevent housed punching-rubbish of a sheet from coming out of a container carelessly by providing a housing part housing punch-rubbish and a discharging part of the puch-rubbish. CONSTITUTION:The collecting container 70 is provided with a punch-rubbish storage part 71, the housing part 7, and the discharging part 73. Punch-rubbish generated at the formation of punching holes is collected into the punch-rubbish sotrage part 71 from the punch-rubbish housing opening 72a of the housing part 72. In discharging punch-rubbish collected in the storage part 71, the puch- rubbish in the storage part 71 is discharged from a punch-rubbish discharging opening 73a arranged at one end of the storage part 71. The punch-rubbish collecting opening 72a is arranged corresponding to a punching mechanism, and provided on a part of the upper part the punch-rubbish storage part 71. Thus, when the storage part 71 is horizontally held at the time of carrying the punch-rubbish in the storage part 71 does not come out of the storage part 71. Thus, workability in at the time of discharging the punch-rubbish is en hanced.

Description

Detailed Description of the Invention [Industrial Field of Application] The present invention relates to a waste collecting container for an image forming apparatus, and particularly to a waste collecting container for collecting paper cutting waste generated when punching holes are formed by a punching mechanism that forms punch holes in paper. The present invention relates to a waste collection container for an image forming apparatus.

[Conventional technology]

For example, image forming apparatuses (for example, copying machines) are already known that are equipped with a punching mechanism for forming file punch holes on paper after an image has been formed.

This punching mechanism is mainly composed of punches that can be raised and lowered and are arranged above and below the paper conveyance path, respectively, and a punch. Furthermore, a collection bottle is arranged below the punching mechanism to collect paper scraps generated when punching holes are formed by the punching mechanism. The punching mechanism and the collection bottle constitute one unit, and the entire unit can be taken out of the image forming apparatus by rotation.

When discharging paper scraps collected into the collection bottle, the unit is rotated to move the unit to the outside of the main body of the apparatus. Then, the collection bottle is taken out from the unit, and the scraps inside the collection bottle are discharged.

[Problem to be solved by the invention]

In the conventional collection bottle, an opening for collecting paper scraps is formed in the entire upper part of the bottle. For this reason, when the unit containing the collection bottle is rotated to the outside of the device and the collection bottle is placed in a horizontal position as described above, the scraps inside the bottle may spill out from the opening at the top of the bottle. .

Furthermore, since an opening is formed on the entire top surface, the collection bottle itself is weak in strength.

SUMMARY OF THE INVENTION An object of the present invention is to provide a waste collection container that has high workability when discharging waste and has high strength as a whole.

[Means to solve the problem]

The punched waste collection container for an image forming apparatus according to the present invention is a punched waste collection container for collecting punched waste of paper generated when punch holes are formed by a punching mechanism that forms punch holes in a sheet of paper after image formation. This collection container includes a scrap storage section, a storage section, and a discharge section.

The accommodating portion has an opening for accommodating punched scraps arranged in an upper part of the punched scrap storage portion in correspondence with the punching mechanism. The discharge section has an opening for accommodating scraps disposed at one end of the scrap storage section.

[Effect]

In the punched waste collection container for an image forming apparatus according to the present invention, paper scraps generated when punching holes are formed by the punching mechanism are collected into the punched waste storage section from the punched waste storage opening of the storage section. Further, when discharging the scraps collected in the storage section, the scraps inside the storage section are discharged from the opening for housing scraps arranged at one end of the storage section.

In this case, the opening for accommodating scraps is arranged corresponding to the punching mechanism, and is provided in a part of the upper part of the scraps storage section. Therefore, when the storage section is placed in a horizontal position when carrying out the cutting waste, the cutting waste in the storage section is unlikely to overflow to the outside of the storage section. In addition, a discharge section having an opening for accommodating scraps is provided at one end of the storage section, and the workability when discharging scraps is high. Moreover, since the opening for storing the scraps is provided in a part of the upper part of the scraps storage part as described above, the strength of the collection container is improved.

〔Example〕

FIG. 1 shows a copying machine employing an embodiment of the present invention.

In FIG. 1, a document table 2 is fixed to the upper surface of the copying machine main body 1, and a document holder 3 is attached to the upper part of the document table 2 so as to be openable and closable. On the right side of the copying machine main body,
Paper feed cassette) 4.5.6 is removably installed.

A paper discharge tray 7 is mounted on the left side of the copying machine main body 1, from which copied sheets are discharged.

Inside the copying machine main body 1, an exposure device 8 for reading a document is provided on the upper side thereof.

This exposure device 8 is composed of a light source, a mirror, and the like. Further, a photosensitive drum 9 on which an electrostatic latent image is formed is arranged in the center of the copying machine main body l. Photosensitive drum 9
Around the charging device 10, the developing device 11, the transfer device 1
2, a paper separation device 13, and a cleaning device 14 are arranged. A paper feed conveyance 1li15 for feeding paper is provided between the paper feed cassettes 4, 5.6 and the image forming section constituted by the photosensitive drum 9 and the like. Also,
Between the image forming section and the paper ejection tray 7, there are, in order from the image forming section side, a paper ejection transport path 16, a fixing device 17, and a printing device 18.
and a punching device 19 are arranged.

Further, below the fixing device 17, a reversing device 20 for reversing the front and back of the paper is provided.

Next, details of the printing device 18 and punching device 19 will be explained.

In FIG. 2, a discharge roller 25 is disposed at the exit portion of the fixing device 17 on the right side of the figure. This discharge roller 2
A detection switch 27 and a conveyance roller 28 are provided in the paper conveyance path 26 at the rear (left side in the figure) of the paper conveyor 5 . A switching type 29 is provided in the paper conveying path 26 behind the conveying roller 28.
is provided. The switching type 29 transfers the paper to the ejection roller 2.
Paper discharge shape 1 leading to the 1 side! (A two-dot chain line pattern 1) and a paper refeeding state (solid line state) in which the paper is guided to the paper refeeding path 30 side can be taken.

A printing device 18 and a punching device 19 are provided on a path along which the paper is guided from the conveyance roller 28 to the discharge roller 21 .

The printing device 18 is used to further print predetermined additional information at a predetermined position on the paper onto which the image has been fixed by the fixing device 17. The printing device 18 mainly includes a casing 35, an ink ribbon cassette 36 that is detachably held in the casing 35, and a thermal head 38 that can come into contact with the ink ribbon 37 of the ink ribbon cassette 36.

At both ends of the casing 35 in the left-right direction (direction perpendicular to the plane of the paper in FIG. 2), triangular flange portions 39 that protrude downward are provided, respectively. A pin 40 is inserted through the lower part of the flange portion 39, and the flange portion 39 is rotatable around this pin 40. Elongated holes 41 are formed in the upper part of each flange portion 39 at opposing positions.

As shown in FIG. 4, a support rod 42 extending perpendicular to the plane of the paper is inserted into each elongated hole 41. As shown in FIG.

Further, a claw member 49 that is rotatable in the vertical direction is provided within the copying machine main body l. This claw member 49 is always urged upward by a biasing mechanism (not shown), and the support rod 42 can be locked in the locking portion 49a at the printing position shown by the solid line in FIG.

In FIG. 2, the ink ribbon cassette 36 includes an ink ribbon 37, a take-up reel 44 around which the ink ribbon 37 is wound, and a delivery reel 45. The ink ribbon 37 and each reel 44, 45 are housed within the body 43. Body 43 and casing 3
Openings 43a and 35a are formed in the center of the bottom wall of 5, respectively. The thermal head 38 passes through these openings 43a and 35a and reaches the lower platen roller 46.
It can come into contact with the top.

The drive mechanism 50 of the thermal head 38 mainly includes a cam 51.
, a leaf spring 52 that can come into contact with the cam 51, and a return spring 5 that lifts the thermal head upward.
It is composed of 3. A rotary shaft 55 is eccentrically mounted in a long hole formed in the cam 51 via a coil spring 54 .

The rotation shaft 55 is connected to a rotation drive mechanism (not shown). On the other hand, the casing 35 of the printing device 18 is rotatably provided with a support shaft 56 extending in a direction perpendicular to the plane of the paper in FIG. A base portion of a plate 57 to which a thermal head 3 is fixed is fixed to this support shaft 56. Furthermore, one end of the leaf spring 52 is fixed to the support shaft 56 .

The punching device 19 includes a punch 61 supported so as to be movable in the vertical direction within a guide member 60.

The punch 61 is always urged upward by a coil spring 61a mounted within the guide member 60. A cam 62 for driving the punch 61 up and down is arranged above the punch 61. The rotation shaft 63 of the cam 62 is connected to a rotation drive mechanism (not shown). In addition, a plurality of punches 61 (
For example, 2 pieces) are placed. A guide lower plate 64 for guiding the paper is arranged below the punch 61. The guide plate 64 has a die hole 65 in a portion facing the punch 61, into which the punch 61 is inserted.

A collection bottle 70 is disposed below the die hole 65 for collecting scraps extracted from the paper by the punch 61 and the die hole 65.

As shown in FIG. 3, the collection bottle 70 has a storage section (main body) 71 for storing scraps. Storage section 71
There are a plurality of openings (five in the figure) in the upper part of the storage section 71 for storing paper scraps that are dropped into the storage section 71 from above. An opening 72 having 2a is provided. open lower 2
The formation locations a correspond to the mounting positions of each punch 61 and die hole 65, respectively. This collection bottle 70 is
It is designed to accommodate two types of punch intervals. Here, the second and fourth openings from the end? 2a is used with a 2-hole type punch (this example), and 1, 3 and 5 are used from the end.
The second open lower 2a is used in a three-hole type punch.

Further, at the end of the storage section 71, a discharge section 73 having a discharge lower part 3a for discharging the scraps stored in the storage section 71 is provided. In addition, these open lower 2a
.

73a is formed into a cylindrical shape extending slightly upward in order to increase strength.

In this case, the open lower part 2a for storing scraps is in the storage part 71.
Since it is provided in a part of the upper part, the strength of the storage section 71 as a whole is improved. Furthermore, when the collection bottle 70 is placed in a horizontal position during maintenance (FIG. 4), the paper scraps collected in the storage section 71 are prevented from overflowing to the outside, improving workability during maintenance. . Furthermore, since the open lower discharge portion 3a is formed at the end of the storage portion 71, the workability when discharging the scraps in the storage portion 71 is improved.

As shown in FIG. 2, the punching device 19, the collection bottle 70, and the discharge roller 21 constitute one unit 75. The unit 75 is rotatable around a shaft 76 provided at its lower part.

The lower end of the abutment plate 77 is attached to the lower part of the unit 75. The contact portion 77a at the upper end of the contact plate 77 is in contact with the flange portion 39 of the casing 35. Further, the center portion 77b of the contact plate 77 is formed along the lower side wall of the collection bottle 72. As a result, the collection bottle 70
is positioned.

During maintenance, for example, when replacing the ink ribbon 37 in the ink ribbon cassette 36 or discharging paper scraps from the collection bottle 70, first rotate the unit 75 around the support shaft 76, and then rotate the unit 75 as shown in FIG. Pull out the unit 75 to the outside of the copying machine main body 1 as shown. At this time, the collection bottle 70 in the unit 75 is placed on its side as shown in the figure. However, as described above, since the opening 72 at the top of the collection bottle 70 is only partially formed with the open lower lower part 2a, paper scraps may overflow from the opening 72 to the outside in this state of lying sideways. Emissions are prevented.

Next, the operator takes out the collection bottle 70 from the unit 75. Then, the scraps inside the collection bottle 70 are discharged from the discharge opening 73 of the collection bottle 70. In this case,
Since the discharge opening 73 is formed at the end of the collection bottle 70, the waste inside the collection bottle 70 can be easily discharged.

Furthermore, when replacing the ink ribbon cassette 36, as shown in FIG.
(See FIG. 4) to remove the support rod 42 from the claw member 49. Next, the printing unit 18 is rotated around the support shaft 40 via the support rod 42 and moved toward the front side (double-dashed line in FIG. 4). Then, as shown in FIG. Both end portions (only the left end side is shown in FIG. 7) abut against the end surface of the bent portion 80a of the side cover 80 of the copying machine main body. As a result, printing device 1
8 is supported, and the ink ribbon cassette 36 is pulled out as shown in FIG. In this state, work such as replacing the ink ribbon cassette 36 is performed.

After the replacement work is completed, the unit 75 is rotated toward the copying machine main body 1 from the state shown in FIG. At this time, as shown in FIG. The flat plate member 77 moves in conjunction with the movement of the door 5, and its contact portion 77a contacts the flange portion 3 of the casing 35.
Contact with 9. When the unit 75 is further rotated, the contact portion 77a moves on the flange portion 39, and the casing 3
Gradually push up 5. As a result, the printing unit 18 rotates around the pin 40 via the casing 35 and returns to the printing position (8l: dotted chain line position). And long hole 41
The inner support rod 42 automatically engages the pawl member 49.

〔Effect of the invention〕

The punched shoulder circumference storage container for an image forming apparatus according to the present invention includes the above-mentioned storage section for storing punched scraps and the discharge section for discharging punched scraps. Therefore, according to the present invention, it is possible to prevent the scraps of the stored paper from unintentionally overflowing to the outside, improving the workability when discharging the scraps, and improving the overall strength.

[Brief explanation of drawings]

FIG. 1 is a schematic vertical cross-sectional view of a copying machine employing an embodiment of the present invention, FIG. 2 is an enlarged partial view thereof, FIG. 3 is a schematic perspective view of the embodiment, and FIG. FIG. 5 and FIG. 6 are perspective partial views for explaining maintenance work, FIG. 7 is a cross-sectional partial view of FIG. 6, and FIG. 8 is a diagram corresponding to FIG. FIG. 2 is a diagram corresponding to FIG. 2 showing a state in the middle of housing the punching mechanism inside the copying machine main body. 19... Punching mechanism, 61... Punch, 70... Collection bottle, 71... Storage section, 72... Opening section, 72
a... opening, 73... opening, 73a... opening.

Claims (1)

[Claims] (1) A waste collection container for an image forming apparatus for collecting paper waste generated when punching holes are formed by a punching mechanism that forms punch holes in paper, the container comprising a paper waste storage section; and the punching waste storage section. an accommodating section having an opening for accommodating cutting swarf arranged in correspondence with the punching mechanism at an upper part of the hole; and a discharge section having an opening for discharging cutting swarf disposed at one end of the shavings storage section. Waste collection container for forming equipment.