JPS61104876A - Transfer type thermal recorder - Google Patents

Abstract

PURPOSE:To easily exchange ink tapes by detachably providing a cassette body having a supply roll and a winding roll for ink tapes on its upper and lower parts. CONSTITUTION:In a cassette body 1, an ink tape 4 sent out of a supply roll 3 is directed from an upper opening 1A to the front of a front plate 2 and then downwards, and the tape 4 is wound around a winding roll 5 from a lower opening 1B. when setting the cassette body 1, a line-type thermal head is positioned in the recessed space 2A of the front plate 2. In exchanging the ink tape, a thermal head 17 is set on non-recording position, and one positioned on the arrow B side, among paired frames supporting a support shaft 15 and a drive shaft 20, is removed out. The whole of the cassette body 1 is pulled out toward the arrow B side to take only the cassette 1 out of the recorder.

Description

Detailed Description of the Invention Technical Field The present invention relates to a transfer-type thermal recording device that heats an ink film with a thermal head to melt the ink and transfer the ink to recording paper, and particularly relates to an ink film tape in a line-type recording device of this type. This relates to a cassette device.

<Prior art> Recently, the development of compact and low-cost color node copying devices has been active, and one of the main features of this color node copying device is a transfer-type thermal type copying device. This recording device uses a line-type thermal head to heat an ink film tape to melt the ink, transfer it to recording paper (plain paper), and transfer it to yellow (Y).

Colors are recorded by overlapping each screen in the order of magenta (M), cyan (C), etc. (screen sequential method) 0 In other words, ink film tape is a roll of ink film that is sequentially arranged side by side in the order of Y, M, and C. While the tape is advanced in one direction, the recording paper is returned to its previous position each time the color changes, and the colors are sequentially recorded on each screen.

As this type of device, one having the configuration shown in FIG. 3 has been proposed. To explain this FIG. 3, 31 is a drive roller, and the roller 31 is connected to a drive source via a drive pulley 32, and opening rows 33A and 33B provided along both sides of the recording paper 33. protrusion 3 that engages in
1A, 31A... and BIB, 31B... are formed.

The recording paper 33 is fed by a paper feed sprocket 34 interlocked with the drive roller 31 midway through the drive roller 3.
■It is sent upward from the bottom.

35 is a roller on the supply side around which an ink film tape 36 is wound, and the ink film tape 36 pulled out from this roller 35 passes along the lower part of the recording paper 33, passes the position of the drive roller 3I, and then passes the roller 3 on the winding side. wrapped in. This roller 37 on the winding side is connected to a drive motor 38.

Reference numeral 39 denotes a line-type thermal head disposed below the drive roller 3I, and during recording, it is pressed from above the ink film tape 36 to the recording paper 33 on the drive roller 3I, and the ink is applied to the ink film tape 36 as appropriate. is transferred onto the paper 33.

By the way, in such a recording apparatus, in order to set the ink film tape 36, the roll-shaped ink film tape 36 attached to the supply roller 35 is pulled out, passed between the drive roller 31 and the thermal head 39, and wound onto the take-up roller 37. The problem is that the ink film tape 36 is difficult to attach and detach, and is easily wrinkled and damaged.

Purpose> The present invention is designed to enable easy replacement of the ink film tape in the above-mentioned recording apparatus.

<Embodiment> FIG. 1 is a perspective view showing the appearance of an ink tape cassette device included in the apparatus of the present invention, and FIG. 2 is a view showing a state in which the ink tape cassette device is set in a recording device.

First of all, in Fig. 1, ■ is a cassette body which is equipped with a front plate 2 whose top and bottom surfaces are open and which has an inwardly recessed cross-sectional opening. It is a supply roll wrapped with an ink film tape 4 installed at an upper position, and the tape 4 is arranged in units of screens in the order of yellow (Y), magenta (M), cyan (C), and then black (B), etc. has been done.

Reference numeral 5 denotes a take-up roll disposed below the supply roll 3, and like the supply roll 3, both ends of this rotating shaft are rotatably and removably supported on both side walls of the cassette body l. There is. One end of the rotating shaft of the take-up roll 5 is connected to an external drive source, so a connecting mechanism 5A such as a gear is provided so as to protrude from the side wall of the main body 1.

Then, the ink film tape 4 led out from the supply roll 3 is guided forward and downward of the front plate 2 from the upper opening IA, and is wound around the take-up roll 5 from the lower opening IB. The supply roll 3 and take-up roll 5 are taken out from the opening 1A or IB of the main body 1 when replacing the ink film tape 4.

It should be noted that in the space 2A of the recessed portion of the front plate 2, a line-type thermal head is located when the cassette main body 1 is set, as will be described later.

FIG. 2 shows the cassette main body I set in the recording device, and in FIG. 2, 6 is a platen roller connected to a drive source, and 7 is in contact with the circumferential surface of the platen roller 6. This is a feed row 2 provided at the same time. Reference numeral 8 denotes a paper feed ram located slightly below the platen roller 6, and its rotating shaft 8A is connected to a drive source. A paper clamp 10 for locking the leading edge of the recording paper 9 is provided at a predetermined location on the circumferential surface of the paper feed drum 8.

+1 is a guide device for guiding the recording paper 9 between the platen roller 6 and the feed roller rough and ejecting it from that position. It is composed of a V-shaped partition member 11c that separates the inlet side and the discharge side of the tank.

Therefore, the recording paper 9 is inserted from the lower entrance passage 12,
Then, it is fed between the platen roller 6 and the feed roller 7 by the upper and lower guide plates +1A and JIB. and,
The tip of the upper guide plate +1A is bent downward near the upper position of the platen roller 6, and the recording paper 9 fed by the platen roller 6 and feed roller 7 is guided downward, and the above-mentioned paper It is located on the circumferential surface of the feed drum 8.

The leading edge of the recording paper 9 located on the circumferential surface of the paper feed drum 8 is clamped by a paper clamp 10 of the drum 8.

The paper feed drum 8 is driven to rotate in the direction of arrow A during recording, and the recording paper 9 is wound around the circumferential surface of the drum 8 to perform a paper feeding operation.

Further, when a series of recording operations is completed and the recording paper 9 is to be discharged, the recording paper 9 is removed from the drum 8 and the recording paper 9 is removed from the upper discharge port 13 by the reverse rotation of the platen roller 6 and the feed roller 7. It is to be discharged.

By the way, the cassette main body 1 shown in FIG. 2 is a guide device for the recording paper 9! An ink film tape 4 located on the front surface of the main body I opposite to the position 1 is installed close to the platen roller 6.

This cassette body l is shown by a two-dot chain line in FIG.
is constructed, and although this support shaft 15 is not particularly shown,
Both ends are supported between frames provided oppositely on both sides of the space 2A.

A thermal line head 17 is attached to the support shaft 15.
A support angle 16, on which is mounted, is rotatably mounted.

The thermal head 17 is mounted on an angle 16, and when the angle 16 is rotated counterclockwise, the tip of the head 17 is set at a position where the tip of the head 17 is pressed against the surface of the platen roller 6 via the ink film tape 4. Further, when the head I7 is rotated in one direction, the head I7 is set to a position where it is separated from the roller 6. It's done well.

The cam plates 18,18 are attached to a drive shaft 20 at predetermined intervals, and one end of the drive shaft 20 is supported between the frames. Further, one end of this drive shaft 20 is connected to a drive source, and rotates forward and backward based on instructions from the control section of the recording apparatus, and the thermal line head 17 is connected to the platen through the cam plate 18, 18 and the support angle 16. The recording position that presses against the surface of the roller 6 and the platen roller 6
This is for positioning at a non-recording position separated from the recording area.

Next, we will explain how to attach and detach the cassette body I shown in FIG. 2 from the recording device. First, when trying to replace the ink film tape from the cassette state shown in FIG. After that, one of a pair of frames supporting the support shaft 15 and the drive shaft 20, which are provided opposite to each other on both sides of the space 2A of the cassette body L, that is, the frame located on the arrow B side in FIG. Remove.

At this time, the support shaft 15 and the drive shaft 20 are supported in a cantilever manner by the other frame.

Next, the cassette body in the above state! By pulling out the entire cassette in the direction of arrow B, only the cassette main body l shown in FIG. 1 can be taken out from the recording apparatus.

After replacing the ink film tape, the cassette main body 1 is set in the recording apparatus by performing the reverse operation to that described above.

On the other hand, to explain the recording operation of this recording apparatus, first, the recording paper 9 is moved by the guide device 11 to the platen roller 6.
and feed roller 7, and between those rollers 6.
7, the leading edge of the recording paper 9 is positioned on the circumferential surface of the paper feed drum 8 and is locked to the paper clamp IO of the paper feed drum 8. At this time, the recording paper 9 is a continuous paper, and is in a state of being guided by the paper feed drum 8 from the entrance passage 12 side of the guide device II. , at this time, the paper feed drum 8 is set at the initial position.

A recording operation is started in the above state, but prior to this recording operation, the thermal line head 17 is set at the recording position. In this set state, the head 17 is pressed against the platen roller 6 via the ink film tape 4 and the recording paper 9.

In the recording operation, the paper feed drum 8 is rotated in the direction of arrow A, and 91 screens are recorded by the head I7. At this time,
The ink film tape 4 is also fed from the supply roll 3 to the take-up roll 5.

As a result, recording of Y0-(Y) is performed at first, and when the recording of this one screen is completed, the paper feed drum 8 is stopped and the drum 8 is set in a free state.

Thereafter, the thermal line head 7 is placed in the non-recording position, and the platen roller 6 and feed roller 7 are reversed to return the recording paper 9 to its original initial position. At this time, the drum 8 is rotated in the direction opposite to arrow A. When the recording paper 9 returns to the initial position, in order to record the next color again, the platen roller 6 and feed roller 7 are stopped, the thermal line head 17 is set to the recording position, and the paper feed citram 8 is moved in the direction of arrow A. direction.

Such operations are performed sequentially for magenta (→, cyan (C), and furthermore, black (B)) to record the colors in a superimposed manner on a screen-by-screen basis.

When this series of recording is completed, the thermal line head 1
7 is set in the non-recording position, the recording paper is cut at a predetermined position, and the recording paper 9 is removed from the paper feed drum 8, and then the recording paper 9 is moved to the ejection port by the platen roller β and the feed roller 7! It is discharged from 3.

Effects> As described above, the present invention provides a thermal transfer recording device equipped with a line-type head, in which an ink tape supply roll and take-up roll are disposed vertically and rotatably supported between side plates. A cassette body is provided in which the ink tape from the supply roll is pulled out to the outside through a first opening and wound around a take-up roll through a second opening, and the cassette body is moved to a predetermined position of the recording device. The ink tape is detachable and can be easily replaced, making the tape replacement work extremely simple and convenient to handle.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a cassette device for ink film tape included in the apparatus of the present invention, FIG. 2 is a view showing the cassette device of FIG. 1 set in a recording device, and FIG. 3 is a diagram showing a conventional recording device. 0 1: Cassette main body, IA, IB: opening, 2: front plate, 3
: supply roll, 4: ink film tape, 5: take-up roll, 6: platen roller, 7: feed roller, 8: paper feed drum, lO: vapor clamp, ]] guide device,
15: Support shaft, 16: Support angle, 17: Thermal line head, 18: Cam plate, 20: Drive shaft. Agent Patent attorney Aihiko Fuku (and 2 others) 2 V
, Figure 1

Claims (1)

[Scope of Claims] 1. In a recording apparatus that heats an ink tape with a thermal line head, transfers the ink of the ink tape to a recording paper, and sequentially feeds the ink tape and the recording paper to record, the ink tape is supplied. A roll and a take-up roll are arranged vertically and rotatably supported between side plates, and the ink tape from the supply roll is pulled out from the first opening and wound onto the take-up roll from the second opening. The cassette body is rotated so that the ink tape between the first opening and the second opening is located between the thermal line head of the recording device and the platen roller on which the recording paper is loaded. 1. A transfer type thermal recording device, characterized in that the device is detachably installed at a predetermined position of the recording device.