JPH07107228A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To prevent jamming from occurring completely by arranging a plate member whose upper terminal is formed at the same height as that of a fixed blade in the neighborhood of the fixed blade, and preventing the rear terminal of roll paper cut in page unit from intruding to the moving area of a movable blade to be moved to cut the next page. CONSTITUTION:Roll type recording paper 1 is held rotatably freely, and also, a line thermal head 3 is mounted so as to be confronted with the coloring plane of the roll paper 2 delivered from the roll type recording paper 1. Also, an openable/closable platen roller 5 fixed on an armor cover 4 located on the recording line of the line thermal head 3 is arranged. The plate member 9 is installed by fixing perpendicularly to a side bracket 7 neighboring to the movable blade 8 and on the ejection side of the roll paper 2 at the same height as that of the fixed blade 6. In this way, it is possible to prevent the rear terminal of the roll paper 2 cut by each page from intruding to the moving area of the movable blade 8 moved so as to cut the next page and to suppress the jamming.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile machine, and more particularly to a facsimile machine having a recording mechanism with a paper cutter for automatically cutting roll-shaped recording paper.

[0002]

2. Description of the Related Art In a recording system mechanism of a conventional facsimile apparatus, a roll-shaped recording paper 21 is rotatably held as shown in FIG. 3, and recording of a roll paper 22 fed from the roll-shaped recording paper 21 is performed. Line thermal head 2
3 has the color development surface of the roll paper 22 facing the recording line, and the printing roller 5 is rotatably driven inside the outer cover 24 in a state of being pressed against the recording line of the line thermal head 23. The roll paper 22 is clamped between the platen roller 25 and discharged after recording. It also has a paper cutter 27 that cuts the ejected roll paper 22 page by page.
The paper cutter 27 moves and cuts the roll paper 22 by the scissors function of these two groups by the traveling movement of the fixed blade 6 and the disk-shaped moving blade 8 rotatably attached to the case 29.

[0003]

In the recording system mechanism of the conventional facsimile apparatus, the trailing edge of the roll paper cut in page units contacts a disk-shaped moving blade that moves to cut the next page. There is a problem that it is inevitable to cause jamming.

Further, the paper cutter has a problem that the plate-shaped fixed blade is exposed when the outer cover is opened, and the hand of the operator is injured.

Further, since there is no guide member for regulating the direction of the roll paper on the discharge side of the paper cutter, it is inevitable that the plate-shaped fixed blade cannot be cut without coming into contact with the cutting edge. It was

Further, it is unavoidable that the roll paper discharged by the rotation of the platen roller when the roll-shaped recording paper is set and the outer cover is closed enters the moving space of the moving blade to cause jamming. There was a problem.

The object of the present invention is to solve the above-mentioned problems,
Avoiding jamming by connecting the trailing edge of the roll paper that is cut in each page to the disc-shaped moving blade, and eliminating the exposure of the plate-shaped fixed blade when the outer cover is opened, eliminating the danger. , Eliminating the possibility that the roll paper cannot be cut without coming into contact with the blade edge of the plate-shaped fixed blade, and the roll paper discharged by the rotation of the platen roll enters the moving space of the disk-shaped moving blade, causing jamming. It is to provide a facsimile device that does not do.

[0008]

SUMMARY OF THE INVENTION An apparatus of the present invention is a facsimile apparatus equipped with a paper cutter that cuts recording paper that has not been printed, and a line thermal head that prints on rolled recording paper, and the thermal head. A recording unit having a platen roller for pressing and conveying the roll paper fed from the roll recording paper between the two; a rectangular fixed plate-shaped fixed blade positioned on the roll paper discharge side of the recording unit And a paper cup having a disk-shaped moving blade that moves while contacting a blade edge provided on one side of the fixed rectangle in the longitudinal direction of the fixed blade to cut the roll paper; And a long rectangular plate-shaped member that is vertically disposed so as to be adjacent to each other without hindering and not exceeding the same height as the fixed blade.

Further, the facsimile apparatus of the present invention has an outer cover for covering the rolled recording paper, the recording portion, the paper cutter, and a fulcrum shaft located on the discharge side of the fixed blade and parallel to the fixed blade. However, the disclosure of the exterior cover has a structure including an individual fixed blade covering member that rotates about the fulcrum shaft in conjunction with opening and closing of the exterior cover and covers the fixed blade.

Further, in the facsimile apparatus of the present invention, the movement direction of the recording paper is regulated in the moving space of the movable blade formed on the discharge side of the paper cutter and formed by the outer cover above the roll-shaped recording paper. The guide member is disposed on the exterior cover, and the position where it comes into contact with the roll-shaped recording paper does not exceed the same plane as the fixed blade.

Further, in the facsimile apparatus of the present invention, when the roll-shaped recording paper is mounted and the outer cover is closed, a predetermined amount of the roll paper is drawn into the apparatus by the rotation of the platen roller and then discharged. It has a configuration having a control function for suppressing the occurrence of slack of the roll paper in the moving space of the moving blade.

Further, in the facsimile apparatus of the present invention, if the extrinsic disturbance including power interruption during the movement of the movable blade disappears,
It has a configuration with a control function of immediately moving to the initial position.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present description will be described with reference to the drawings. FIG. 1 is a perspective view of an embodiment of the present invention, showing a state in which an exterior cover is opened. In FIG. 1, the roll-shaped recording paper 1 is rotatably held, and a line thermal head 3 is attached so as to face the coloring surface of the roll paper 2 fed from the roll-shaped recording paper 1. Further, a platen roller fixed to an outer cover 4 which is located on the recording line of the line thermal head 3 and which can be opened and closed is provided. The platen roller 5 is capable of both normal rotation and reverse rotation by a motor, a gear, etc. not shown. In the closed state of the outer cover 4, the roll paper 2 is held between the line thermal head 3 and the platen roller 5, and the roll paper 2 can be drawn into the apparatus and discharged. The paper cutter 12 is configured to include the fixed blade 6 and the movable blade 8, and the fixed blade 6 is attached to the side bracket 7.

A plate-like member 9 is vertically fixed to the side bracket 7 adjacent to the movable blade 8 and at the discharge side of the roll paper 2 and at the same height as the fixed blade 6. By providing such a plate-like member 9, it is possible to prevent the trailing edge of the roll paper 2 cut in page units from entering the moving area of the moving blade 8 that moves to cut the next page. Jamming was suppressed to zero.

The fixed blade covering member 10 for safely covering the cutting edge portion of the fixed blade 6 is attached to the side bracket 7 by providing a rotation fulcrum, and the portion A of the outer cover 4 draws the fixed arrow 6 along a trajectory of a dotted arrow. It has a structure that can be rotated by pressing and pressing the arm portion B of the fixed blade covering member 10 that is safely covered. Further, when the exterior cover 4 is in the open state, the fixed blade 6 is covered by the elastic force of the elastic body 11 utilizing the coil spring to ensure safety.

The fixed blade covering member 10 is provided with a substantially rectangular hinge B on the side where it is attached to the side bracket 7, and the elastic body 11 has one end on the side bracket 7 and the other end on the fixed blade covering member 10. Is fixed to the rotating shaft of. When the outer cover 4 is in the open state as shown in FIG. 1, the fixed blade covering member 10 is held vertically, and when the outer cover 4 is in the closed state, the A portion resists the elastic force of the elastic body 11 and moves the B portion. When the outer cover 4 is pushed down and opened, the fixed blade covering member 10 is restored to the open vertical posture by the elastic force of the elastic body 11.

FIG. 2 is a sectional view taken along line CC of FIG. The guide member 13 that regulates the direction of the ejected roll paper 2 is configured integrally with the exterior cover 4, and the portion contacting the roll paper 2 is located on the same plane as or below the fixed blade 6 so that the roll paper 2 is always fixed. The structure is in contact with the blade 6.

When the roll-shaped recording paper 1 is set and the outer cover 4 is closed, the roll paper 2 sags in the moving space D of the moving blade 8 so that the slack in the moving space D is removed during the discharging operation. In the embodiment, the control is performed so that the roll paper 2 of about 30 mm is pulled into the inside of the apparatus and is discharged. In addition, when the movable blade 8 reciprocates, if it becomes impossible to move due to power interruption during movement, etc., it is possible to easily cope with trouble as control to move to the initial position immediately when power is supplied. did.

[0019]

As described above, according to the present invention, the rear end of the roll paper cut in page units by arranging a plate member whose upper end is at the same height as the fixed blade in the vicinity of the fixed blade is the next page. This has the effect of preventing jamming due to this by preventing it from entering the moving area of the moving blade that moves to cut the.

Further, by disposing a fixed blade covering member that covers the fixed blade when the outer cover is opened, the operator can be protected from the fixed blade exposed by opening and closing the outer cover, and safety can be ensured. Has the effect that can.

Further, by disposing the guide member for regulating the direction of the ejected roll paper, there is an effect that the constant contact between the roll paper and the fixed blade is stably ensured, and the roll paper can always be cut.

Further, when the roll-shaped recording paper is set and the outer cover is closed, the roll blade fed out from the roll-shaped recording paper is controlled to be drawn into the apparatus by a certain amount and then discharged, whereby the moving blade moves. It has the effect of eliminating jamming by eliminating the bending that occurs in the space.

Further, even if the movable blade becomes immovable due to a power failure or the like during movement, by taking control so that it can be moved to the initial state immediately after recovery, it is possible to easily deal with trouble. .

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a sectional view taken along line CC of FIG.

FIG. 3 is a sectional view showing a recording system mechanism of a conventional facsimile apparatus.

[Explanation of symbols]

 1 Roll Recording Paper 2 Roll Paper 3 Line Thermal Head 4 Exterior Cover 5 Platen Roller 6 Fixed Blade 7 Side Bracket 8 Moving Blade 9 Plate Material Member 10 Fixed Blade Covering Member 11 Elastic Body 12 Paper Cutter 13 Guide Member

Front page continuation (72) Inventor Akira Hanajima 5-7-1, Shiba, Minato-ku, Tokyo Inside NEC Corporation (72) Inventor Masayuki Suto 4-2 Shimomata, Kakegawa, Shizuoka Shizuoka NEC Corporation (72) Inventor Takeharu Kirikoshi 3-20-4 Nishi-Shimbashi, Minato-ku, Tokyo Inside NEC Engineering Co., Ltd.

Claims (5)

[Claims] 1. A facsimile apparatus equipped with a paper cutter for cutting unprinted recording paper, comprising: a line thermal head for printing on the recording paper; A recording unit having a platen roller for pressing and transporting the rolled roll paper; an oblong rectangular plate-shaped fixed blade positioned on the roll paper discharge side of the recording unit; and a long rectangular length of the fixed blade. A paper cutter having a disc-shaped moving blade that moves while contacting a cutting edge provided on one side of the direction to cut the roll paper; A long rectangular plate-shaped member vertically arranged so as not to exceed the same height as the fixed blade; 2. The exterior cover having the roll-shaped recording paper, the recording unit and the paper cutter, and an exterior cover that is located on the discharge side of the fixed blade and is parallel to the fixed blade. 2. The facsimile apparatus according to claim 1, further comprising: a fixed blade covering member that rotates about the fulcrum shaft in conjunction with opening and closing of the cover and covers the fixed blade when the exterior cover is opened. 3. A guide member for restricting a moving direction of the recording paper in a moving space of the moving blade formed on the discharge side of the paper cutter and formed by the outer cover above the roll-shaped recording paper. 2. A facsimile apparatus according to claim 1, wherein the facsimile machine is arranged on a cover and is set so that a portion in contact with the rolled recording paper does not exceed the same plane as the fixed blade. 4. When the roll-shaped recording paper is mounted and the outer cover is closed, a predetermined amount of the roll paper is drawn into the inside of the apparatus by the rotation of the platen roller and then discharged to move the moving space of the movable blade. 2. The facsimile apparatus according to claim 1, further comprising a control function for suppressing the occurrence of slack of the roll paper in the above. 5. When the movable blade becomes immovable due to an extrinsic disturbance including power interruption during movement, it has a control function of immediately moving to the initial position if the extrinsic disturbance disappears. The facsimile apparatus according to claim 1, which is characterized in that.