JPH0358315B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a recording device, and more particularly to a thermal transfer type recording device.

[Prior Art] A thermal transfer type recording device is a device that performs thermal transfer while transporting an ink sheet and recording paper between a recording section between a thermal head and a platen roller.
Used in facsimile devices, etc.

Conventionally, the ink sheet 1 to be superimposed on the recording paper has been used in the form of a roll wound around a winding core 2 as shown in FIG.

Therefore, when using such an ink sheet, a travel path for the ink sheet and recording paper as shown in FIG. 2 is required.

That is, the ink sheet 1 unwound from the roll is guided between the thermal head 3 and the platen roller 4 via the tension roller 6, further passed through the tension roller 7, and wound onto the take-up shaft 8.

On the other hand, the recording paper 5 is placed under the ink sheet 1 by the thermal head 3 and the platen roller 4.
guided between.

In this manner, recording by thermal transfer is performed while the ink sheet and recording paper are conveyed while being sandwiched between the thermal head 3 and the platen roller 4.

If such a structure is adopted, the user of the apparatus will have to wrap the ink sheet 1 wound into a roll as shown in FIG. 2, making the installation of the ink sheet extremely complicated.

In addition, if a jam occurs on the recording paper, the ink sheet becomes an obstacle to remove the jam, so the ink sheet must be removed and the ink sheet must be removed, which requires a reverse operation compared to when it is installed, which increases the time required to remove the jam. I once put it away.

Furthermore, when replacing the recording paper, the ink sheet must be removed, resulting in an extremely complicated operation.

[Purpose] The present invention has been made to solve the above-mentioned problems, and the ink sheet mounting section and recording It is an object of the present invention to provide a thermal transfer recording device in which both a sheet mounting portion and a sheet mounting portion can be exposed and work efficiency in exchanging ink sheets or recording sheets is greatly improved.

[Embodiment] In the embodiment described below, a recording means is provided on the side of the document table cover that can be opened and closed with respect to the main body of the apparatus, and a cassette containing an ink sheet is provided in a detachable manner. The recording apparatus includes a platen roller in contact with the recording means, a recording paper, and a recording paper conveyance system.

Hereinafter, the present invention will be explained in detail based on embodiments shown in the drawings. FIG. 3 and subsequent figures illustrate one embodiment of the present invention, and FIGS. 3 and 4 show the structure of an ink cassette.

The ink cassette 9 is integrally formed from synthetic resin or the like, and has bulges 9a having an arcuate cross section at both left and right ends.
9b is formed.

Cutouts 9c and 9d are formed at the lower ends of the inner side walls of these bulges 9a and 9b.

There are also bulges 9a and 9b on the substrate side of the cassette 9.
A relatively large opening 9e is formed between them.

Spindles 10 are rotatably supported at both longitudinal ends of one of the bulges 9a, and the winding core 2 is held by these spindles 10,10.

Further, spindles 10 are rotatably supported at both longitudinal ends of the other bulging portion 9b, and a winding shaft 11 is held between them.
Then, the ink sheet 1 wound into a roll is led out from the notch 9c of the bulge 9a and is guided to the winding shaft 11.
is wrapped around.

Next, an example of a recording apparatus equipped with an ink cassette having the above structure will be described.

5 and 6 show a recording device exemplified as a facsimile device, and in each figure, the same parts as in FIGS. 1 to 4 are denoted by the same reference numerals, and the explanation thereof will be omitted.

The recording paper 5 is housed in a roll in a recording paper holder 23 provided within the casing of the apparatus. The recording paper 5 guided from here comes into contact with the upper side of the platen roller 4, and the two guide plates 20, 2
0, between the pair of paper ejection rollers 22, 22, and between the cutters 21, 21, and is ejected to the outside of the apparatus.

The cassette 9 is detachably attached to an upper base 13, which forms a part of the apparatus, via an unillustrated attachment means. The upper base 13 is fixed to the inside of the document table cover 17, and the document table cover 17 is attached to the shaft 19 together with the upper base 13.
It can be opened and closed freely around the center as shown in FIG.

A thermal head 3 is arranged on the upper base 13 side in a state where it is fixed to a head holder 16. The thermal head 3 has one end rotatably attached to the upper base 13 by a shaft 29 via arms 16a at both ends of the head holder 16.

The lower limit of the free end of the thermal head 3 is regulated by a stopper (not shown).

A head press alarm 14 is rotatably attached to the upper surface of the free end side of the head holder 16 via a shaft 14a, and a spring 15 is connected between the head press arm 14 and a fixed part of the device.
is being strung up.

Therefore, the head press arm 14 is given a rotational force in the counterclockwise direction in FIG. 5, and the thermal head 3 is given a pressing force in the direction in which it contacts the platen roller 4.

When the cassette 9 is installed on the upper base 13 side, the ink sheet 1 is guided between the thermal head 3 and the platen roller 4, and is overlapped on top of the recording paper 5, as shown in FIG. The ink sheet 1 is bent into a mountain shape with the contact portion as the apex, and the ink sheet 1 is set with the slack taken up.

This setting operation is performed by the user lifting the thermal head 3 via the head holder 16.

Note that a paper guide 16b is guided in a curved manner below the thermal head 3.

Incidentally, the document table cover 17 is provided with a document width guide 18 that is movable according to the width of the document.

The original placed on the original platen cover 17 is transferred to a feed section 32 and a separation section 3 that constitute an automatic document feeder.
3, the documents are separated one by one, sandwiched between a pair of document transport rollers 34, 34, and then stored on a document tray 27 by a pair of discharge rollers 35, 35.

On the other hand, the sent document is irradiated by the light source 28,
The reflected light passes through the mirrors 31 and 31 to the lens 2.
5 and forms an image on the reading element 26.

Note that the reference numeral 24 indicates a power supply device.

When the apparatus starts with the above structure, the take-up shaft 11, the platen roller 4, the paper ejecting roller pair 22, etc. are put into a drive standby state by a drive system (not shown), and reading of the document is started.

Then, the thermal head 3 is driven in accordance with the read signal, and recording is performed on the recording paper 5 via the ink sheet 1 by thermal transfer.

The ink sheet 1 and recording paper 5 on which recording has been completed are separated by the separating section 30 at one end of the guide plate 20.
The ink sheet 1 is wound up on a winding shaft 11, the recording paper 5 passes between guide plates 20, 20, is ejected by a pair of paper ejection rollers 22, 22, and is cut by cutters 21, 21 after all recording is completed. Ru.

On the other hand, when replacing recording paper or cassettes, move the upper base 13 to the original platen cover 1 as shown in FIG.
7 and rotated counterclockwise about the shaft 19.

Then, the cassette 9 also separates from the platen roller 4 side, and the recording paper 5 and ink sheet 1 are separated from each other by a large distance.

In this state, the cassette 9 or the recording paper 5 may be replaced or the jam removed.

According to this embodiment, when the document table cover and the platen side of the main body of the apparatus are moved relative to each other, not only the ink sheet mounting section and the recording sheet mounting section are exposed, but also at least the recording sheet mounting section is exposed to the platen. The recording sheet conveyance path can also be opened.

Since the present embodiment is constructed as described above, the ink sheet can be replaced with the entire cassette, and there is no need to pass around the roll-shaped ink sheet as in the conventional case, making it extremely easy to install the ink sheet.

Further, the cassette can be separated from the platen roller together with the document table cover, and replacement work and jam removal can be performed in this state, making it extremely convenient to use.

[Effect] According to the present invention, both the ink sheet mounting portion and the recording sheet mounting portion can be exposed by one operation of relatively moving the first main body and the second main body, for example. A remarkable effect is obtained in that the efficiency of exchanging ink sheets or recording sheets is greatly improved. Moreover, according to the present invention, as long as the main body is relatively moved, the recording sheet conveying path from the recording sheet mounting section to the platen is also opened. There is no need to take the trouble to wrap the recording sheet between the platen and the roller that contacts the platen within the space, and the efficiency of the recording sheet mounting operation can be greatly improved.

[Brief explanation of drawings]

Figures 1 and 2 are for explaining the conventional structure. Figure 1 is a perspective view of the ink sheet, Figure 2 is an explanatory diagram showing the arrangement of the ink sheet and recording paper, and Figure 3 is an explanatory diagram showing the arrangement of the ink sheet and recording paper.
The following figures are for explaining one embodiment of the present invention.
Figure A is a partially cutaway plan view of the cassette, Figure 3B is a vertical side view of the cassette, Figure 4 is a perspective view of the cassette, Figure 5 is a vertical side view of the cassette installed in the recording device, and Figure 6 is a vertical side view of the cassette. The figure is a longitudinal sectional side view of the apparatus with the document table cover open. 1... Ink sheet, 3... Thermal head,
4...Platen roller, 5...Recording paper, 9...Cassette, 11...Take-up shaft, 16...Head holder, 17... Original table cover.

Claims (1)

[Claims] 1. A thermal transfer recording device that records on a recording sheet using an ink sheet, comprising: a first main body and a second main body that are relatively movable; and the ink provided on the first main body. an ink sheet mounting section for removably mounting the sheet; a recording sheet mounting section provided on the second main body for removably mounting the recording sheet; and a platen; When the first main body and the second main body are moved relative to each other, the ink sheet mounting portion and the recording sheet mounting portion are exposed, and at least the recording sheet conveyance path from the recording sheet mounting portion to the platen is exposed. A thermal transfer recording device characterized in that it is opened. 2. The thermal transfer recording device according to claim 1, wherein the first main body and the second main body are rotatable about a rotation axis. 3. The thermal transfer recording apparatus according to claim 1, wherein the first main body is provided with a cassette containing the ink sheet. 4. The thermal transfer recording device according to claim 1, wherein the first main body is provided with a thermal head. 5. The first main body is provided with a thermal head, and during recording, the head enters into a cassette containing the ink sheet and acts on the ink sheet. The thermal transfer recording device described in . 6. The thermal transfer recording apparatus according to claim 1, wherein the second main body is provided with a cutting means for cutting the recording sheet. 7. The thermal transfer recording apparatus according to claim 1, wherein the second main body is provided with an original reading means for reading an original. 8. The thermal transfer recording apparatus according to claim 1, wherein the recording sheet is installed by being dropped into the recording sheet mounting section. 9. The thermal transfer recording device according to claim 1, wherein the thermal transfer recording device is a facsimile device.