JPS59190879A - Color recorder - Google Patents

Abstract

PURPOSE:To enable to record with high resolution by a compact construction, by a method wherein a one-sheet amount of a rolled paper incorporated in a drum is drawn out, the thus drawn-out paper is fitted around the surface of the drum, and color recording is conducted by a recording head while rotating the drum by a number of times corresponding to the number of primary colors. CONSTITUTION:The rolled paper 4 maintained in a rolled condition by a pressure spring 11 is incorporated in the drum 8, the leading end of the paper is fixed by a fixing part 20 for drawing out the paper, the drum 8 is rotated by one rotation to draw out the paper by a one-sheet amount, the paper is fixed by a paper presser 9 by using a fitting/detaching part 19, and is fitted to the surface of the drum 8 covered by a heat-resistant elastic material layer 10. Then, recording in each color is conducted by a thermal head 1 through a color ink film 3 while rotating the drum 8 by a number of times corresponding to the number of the primary colors used. After recorder is completed for all of the colors, a cutter-feeding part 18 is operated, the paper presser 9 is opened, and the paper is discharged through a discharging port 21. Accordingly, the size of the recorder is reduced, accuracy in recording can be secured by only the accuracy in rotating the drum, and an image with high resolution can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION In the present invention, a roll paper is built into a drum, and the paper is rotated completely while being mounted on the surface of the drum, and passed through the recording section as many times as necessary for color recording. The present invention relates to a color recording device that performs.

Conventional color recording apparatuses that perform color recording include those that use roll paper and those that use cut paper. When using the above-mentioned roll paper, there are two methods: keeping the roll paper continuous and reciprocating the recording section the required number of times, and cutting the roll paper into pieces the size of one sheet and winding them around a drum and rotating them the necessary number of times. A method of recording by passing through a recording section has been used. These conventional examples are shown in FIGS. 1 and 2. Furthermore, when using cut paper, two methods have been used: wrapping it around a drum and reciprocating it.

In Fig. 1, 1 is a line-shaped thermal head;
2 is a substrate on which the thermal head has a shaped bottom. Reference numeral 3 denotes a color ink film, in which inks of necessary primary colors such as Y (9 colors of yellow, M (magenta), 0 (cyan), etc.) are sequentially formed in an area the size of one film. 4
5 is roll paper used for recording, and 5 is a platen roller that presses the paper against the thermal head. 6 is a roller that supports the roll paper, and 7 is a cutter. The recording head of the roll paper 4 needs to be moved back and forth for each valley color corresponding to the primary colors. The disadvantages of this method are that the paper is repeatedly moved back and forth, which requires a large amount of equipment space, and that color misalignment is likely to occur if the paper is repeatedly overlaid. Another problem is that it is difficult to run the roll paper stably.

FIG. 2 shows a method in which color printing is performed by cutting a roll of paper in advance into one-sized pieces and winding them around a drum. 8 is a drum, and 9 is a mounting section for mounting the paper 4 on the drum. For the attachment part, a rod-shaped magnet with a drum made of iron or the like is sufficient.

The disadvantage of this method is that it requires a drum for loading paper and a roll paper setting section for holding the roll paper, and both require a large capacity k.

The present invention overcomes the above-mentioned drawbacks and provides a color recording arm that is compact in size, highly accurate, and capable of high-speed color recording.

The present invention will be explained in detail according to FIG.

FIG. 3 is a cross-sectional view of the basic components of the invention when the recording section is formed by thermal transfer. An elastic body 1 made of heat-resistant rubber or the like is placed on the outer surface of the drum 8 made of metal or plastic.
0 is formed by adhesion or the like. -1: A part of the cylindrical surface of the drum was cut off. The cutting section is a take-out port for taking out the paper from inside the drum onto the drum surface, and a support roller 12 for supporting the rolled paper at the time of take-out is set at the take-out port. One roll of roll paper is set in the drum 8, the end is passed between the support rollers 120 at the drawer opening, and a size the size of one sheet is pulled out and mounted on the surface of the drum 8. The surface of the drum 80 is covered with an elastic layer 1 that presses the entire paper against the recording head and prevents it from sagging, and also ensures side heating when a thermal head is used.
0 is formed.

The end of the roll paper f' pulled out in a size larger than one sheet is pressed onto the drum by a paper presser 9.

A roll paper presser spring 11 is provided inside the drum to prevent the roll paper 4 from losing its rolled state.The roll paper presser spring presses the roll paper with a light load, and when the roll paper is pulled out. The load is not a problem. When all the paper is set in this way, by rotating the drum, the paper attached to the surface of the drum also rotates.
The internal roll paper also rotates with it inside. When recording is performed using a thermal transfer method, the ink side of the color ink film is placed on the paper, and the recording is performed by heating the color ink film dot by dot using a line-shaped thermal head. A color ink film is formed in a size the size of one sheet of paper for each primary color, and for example, Y, M, and 0 colors are repeatedly formed on a roll film. When recording in color, the starting position of the first color is aligned between the color ink film and the paper, the drum is rotated once, and when moving to the next color, the head is released upward to align the starting position of the paper. Aligning the starting position of the next color on the color ink film, the head is lowered down and rotated once while performing thermal transfer. A similar operation is performed for the third color. Once the desired color has been transferred, use the cutter to cut the edge of one sheet while holding the paper with the paper holding part of the cutter, and rotate the drum while releasing the paper holding part 9 at one end. One sheet of paper 5 for recording
− is discharged from the discharge port and rusts. The present invention has the same configuration even when the recording section is formed by other methods such as inkjet.
Only the drum and its rotation device are required to move the paper, which greatly saves space, and also allows for extremely high precision recording because the shift in paper movement is determined by the rotational accuracy of the drum.

FIG. 4 is a perspective cutaway view of the main part of the present invention. Reference numeral 13 denotes a feed roller for feeding the color ink film used in thermal transfer without wrinkles.

FIG. 5 is an overall basic configuration diagram of an example of the present invention. 21
19 is the paper ejection port, and 19 is the paper drawer stop.
9 is the paper holder installation and removal part, and 18
is the cutter feeding section. 1.4 and 15 are cams for raising and lowering the recording head, and 16 is a spring for lifting the recording head. Reference numeral 17 is a load weight for applying a constant load when the recording head is a thermal head, and this is a board provided with driving and control circuits. 2
3 is an outer mold frame 6-. When changing the color to be recorded, when the cam section is rotated and the press on the recording head is released, the recording head is lifted by the spring 16 and the color ink film 3 is moved between it and the paper 4 mounted on the drum 8. Once there is enough space to move the film, the film can be moved to the next required color, and the drum side can also be moved to the recording start position. The drum on which the paper 4 is mounted and the color ink film move in synchronization with each recording of one line, and one line's worth of recording is performed one after another. The rotational movement of the drum etc. is precisely controlled using a step motor etc. When recording is performed using an inkjet or the like, the ink ejection timing and the drum rotation timing are synchronized.

FIG. 6 is a sectional view of the main parts when the present invention is constructed using an inkjet. '! Inkjet heads 5, 26, and 27 eject ink corresponding to the primary colors, which correspond to Y, M, and 0 colors.

As described above, when performing color recording using the present invention, it is possible to provide a color recording device that can be configured much more compactly than conventional systems and is sufficiently large enough to be used as an output terminal for a personal computer or the like. . Furthermore, since the paper is fixed to the drum, the recording accuracy can be guaranteed by the rotational accuracy of the drum, making it possible to support very high resolution recording.

As mentioned above, the present invention is extremely superior as a color recording device, and has great cultural and industrial value.

[Brief explanation of drawings]

FIGS. 1 and 2 are basic configuration diagrams of a conventional color recording apparatus. FIG. 3 is a sectional view of the basic components of one example of the invention, FIG. 4 is a perspective cutaway view, and FIG.
11. This is an overall configuration diagram of an example, and FIG. 6 is a cross-sectional view of main components of an example of the present invention. Thermal head 21. Head board 31. Color ink film 4. Roll paper 5. Platen 7. . Cutter 8. Drum 9°, paper holder 11. Roll paper support spring (20, drawer opening support roller and above) Applicant Daini Seikosha Co., Ltd. Agent Patent Attorney Mogami 9-41

Claims (1)

[Claims] 0-AJfE Draw out a sheet of roll paper from the drawer opening of the drum, place it on the drum surface, and rotate the drum the number of times corresponding to the number of primary colors to be used. A color recording device that rotates paper and performs color recording on the paper using a recording unit that uses a recording head such as an inkjet or thermal head.