JPH0474678A - Thermal transfer printer and film take-up reel - Google Patents

Abstract

PURPOSE:To obtain printed matters with a plurality of colors by an appropriate amount by mounting a supply reel with an untransferred thermal transfer film wound thereon, a take-up reel with a transferred thermal transfer film wound thereon having a rotating axis in parallel to the rotating axis of the supply reel, and a thermal head extending in parallel to the rotating axis of the supply reel. CONSTITUTION:A manuscript is read by a manuscript reader 32 and once stored in a memory. Read image signals are amplified and outputted to a second thermal head 54. At this time, thermal transfer paper is inserted to a second platen roller 51 from a thermal transfer paper mount 46 through a paper supply roller 47 and paper feed rollers 48, 49. The thermal transfer paper is pressed down against the platen by the second thermal head 54 through a thermal transfer film 67 supplied from the supply roller. In this manner, the image on the manuscript is thermal transfer-printed on the thermal transfer paper. The thermal transfer-printed paper is discharged on a stacker mount 52. The thermal transfer film 67 used for the thermal transfer is taken up on a take-up reel 62. In this manner, a multicolor image can be thermal transfer-printed by an appropriate amount.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention brings a thermal head into pressure contact with printing paper through a thermal transfer film, and selectively heats the thermal head to remove ink on the thermal transfer film. Regarding the thermal transfer printing device that transfers onto the printing paper and the take-up reel that can be used in this thermal transfer printing device, in particular, it is capable of thermal transfer printing of multicolored calligraphy images at the same time by using thermal transfer films of multiple colors in parallel.

(b) Conventional technology A thermal head is located between a supply reel and a take-up reel, and the supply reel, thermal head, and take-up reel are provided in a single frame and swing relative to the main body of the device. The applicant has already applied for a thermal transfer printing device that can be installed freely (see Japanese Patent Application No. 1-176360).
.

Further, as a thermal transfer color copying device, "Palette J (EC-tO)" manufactured by Fuji Xerox Co., Ltd. exists.

Furthermore, the present applicant has already applied for a rotary copying machine that is equipped with a plurality of ink storage chambers, each ink storage chamber is supplied with printing ink of a different color, and is capable of printing in multiple colors at the same time. (See Japanese Patent Application No. 111246/1983).

A thermal transfer film has been proposed that is colored in multiple colors in the direction of the image.

(c) Problems to be Solved by the Invention In the conventional technology described above, the supply reel, thermal head, take-up reel, etc. are compactly housed, but the supply reel and take-up reel are arranged in a single unit. Because the thermal transfer film was wound, it was not possible to thermally transfer multiple color calligraphy images at the same time.

In addition, when using a single heat transfer film colored in multiple colors, the color and width etc. are fixed.
It cannot be changed freely.

On the other hand, although a thermal transfer color copying apparatus can perform complete color transfer printing of multiple colors at the same time, it has a complicated structure and is extremely expensive.

Additionally, rotary copying machines are not suitable for low volume printing.

The present invention has been made in view of the problems of the conventional technology, and although it is not possible to print in full color, it is inexpensive, the color arrangement, width, hue, etc. can be changed freely to a certain extent, and it is possible to print in multiple colors. This meets the need for a thermal transfer printing device that can produce just the right amount of printed matter.

(d) Means for Solving the Problems The first main invention is to bring a thermal head into pressure contact with printing paper via a thermal transfer film, and selectively heat the thermal head to transfer the ink on the thermal transfer film to the thermal transfer film. In a thermal transfer printing device that transfers onto printing paper,
a supply reel around which an untransferred thermal transfer film is wound; a take-up reel having a rotation axis parallel to the rotation axis of the supply reel and around which a transferred thermal transfer film is wound; and a rotation axis of the supply reel. The supply reel is equipped with a thermal head extending in parallel directions, the supply reel is wound with a plurality of divided thermal transfer films along its rotation axis, and the take-up reel is equipped with a thermal transfer film that is divided into a plurality of pieces. The apparatus is characterized in that a separating means is provided for separating the parts along the axis of rotation thereof.

The second main invention is a film take-up reel that is divided into a plurality of sections along the direction of the axis of rotation, in which a film take-up tube of a predetermined size extends along the direction of the axis of rotation. A plurality of film winding tubes are provided, and between each film winding tube,
This is characterized in that a connecting member is fitted with a flange extending in the centrifugal direction from the rotation axis.

The third main invention is a film take-up reel that is divided into a plurality of sections along the direction of the axis of rotation, in which a film take-up tube of a predetermined size is arranged in the same direction as the direction of the axis of rotation. A plurality of film winding tubes are fitted onto a shaft member extending in the direction, and a collar body is interposed between each of the film winding tubes, the collar body having an opening through which the shaft member is inserted. It is.

(e) Effect In the first main invention, a thermal transfer film divided into a plurality of parts is wound around the supply reel along its rotational axis, and each thermal transfer film is wound around the take-up reel along its rotational axis. Since a separating means for separating the thermal transfer films is provided, it is possible to heat a plurality of thermal transfer films at the same time.

Therefore, if a plurality of thermal transfer films are each colored in a different color, it becomes possible to thermally transfer print images of a plurality of colors at the same time.

In the second main invention, a plurality of film winding tubes of a predetermined size are provided along the extending direction of the rotational axis, and a plurality of film winding tubes are provided between the film winding tubes in the centrifugal direction from the rotational axis (C,). Since the extending flange is provided, each thermal transfer film after transfer is divided by the flange, and is reliably separated without mutual interference and wound up for each custom color.

In the third major invention, a film winding tube of predetermined dimensions is provided.
A plurality of them are fitted onto a shaft member extending in the same direction as the axis of rotation, and a collar body is interposed between each of the film winding tubes, so each thermal transfer film after transfer is attached to the shaft member that extends in the same direction as the rotation axis. They are separated by body, are reliably separated without interfering with each other, and are wound up for each color.

(f) Embodiment The drawings all show a composite printing apparatus equipped with an embodiment of the present invention, in which FIG. 1 is an overall configuration diagram, FIG. 2 is an external perspective view, and FIGS. 3 and 4 are respectively 5 and 6 are schematic diagrams of swing frames in different embodiments, FIG. 7 is a perspective view of the therma head, and FIG. 8 is a vertical sectional view of the take-up reel. FIG. 9 is a perspective view of the connecting member;
Fig. 10 is a perspective view of a film take-up tube, Fig. 11 is a longitudinal cross-sectional view of a second embodiment of the take-up reel, Fig. 12 is a perspective view of a flange, and Fig. 13 is a plan view of a thermal transfer printed matter. It is a diagram.

First, the structure and operation of the entire apparatus will be explained based on FIGS. 1 to 7.

In FIG. 1, reference numeral 1 denotes a main body of the apparatus, into which a support shaft 2 is inserted in a horizontal direction approximately at the center thereof, and a plate cylinder 3 is rotatably mounted on the support shaft 2.

A heat-sensitive stencil paper 5 wound into a roll is mounted on a reel 4 at the upper left of the apparatus main body 1 . This heat-sensitive stencil paper 5 is a well-known one in which a heat-sensitive film and a porous thin film are laminated.

A tension roller 6 is provided on the downstream side of the reel 4 along the moving direction of the heat-sensitive stencil paper 5, and further downstream of the tension roller 6, a desired calligraphy image is formed on the heat-sensitive stencil paper 5. The support shaft 2 for forming a hole
A thermal roots door extending in the same direction as the thermal head 7 is provided, and a platen roller 8 is pressed against the thermal head 7 from below.

On the downstream side of the thermal head 7, a cutter device @10 having a rotary blade 9 is provided for cutting the rolled heat-sensitive stencil paper 5 into a predetermined size (for example, a size slightly longer than B4 size). On the downstream side of the cutter device 10, there is provided a pair of paper transport rollers 11, 12 which are pressed against each other.

On the downstream side of the pair of paper transfer rollers 11.12, a damper 13 is provided which brings the downstream edge of the heat-sensitive stencil paper 5 to the lower part of a clamper 13 which is swingably mounted on the non-printing area of the plate cylinder 3. A base paper supply roller 14 is pressed onto a guide plate 15 for this purpose.

A paper feed table 17 is provided at the lower right of the apparatus main body 1 and is swingably held by a holding shaft 16 at its protruding end.
In the example, the portion facing the free end of the paper feed table 17 includes:
An arc-shaped side wall 18 is formed to correspond to the swing locus of the free end of the paper feed tray 17. Reference numeral 30 denotes side guide plates that guide both sides of the unprinted printing paper stacked on the paper feed table 17.

On the upper part of the arc-shaped side wall 18, the unprinted printing paper stacked on the paper feed table 17 is separated one by one.
Paper feeding roller 1 for feeding toward the bottom of the plate cylinder 3
9 is provided, and on the downstream side of the paper feeding roller 19,
A pair of registration rollers 20 and 21 are pressed against each other in order to once stop the printing paper fed by the paper feeding roller 19 and then feed it again at the appropriate timing.

Further, on the downstream side of the pair of registration rollers 20 and 21, the printing paper fed by the pair of registration rollers 2021 is placed in the lower part of the plate cylinder 3 in the printing area of the plate cylinder 3 (the roll of the thermal stencil paper 5). A pressure roller 22 is provided for contacting the contact area. The pressure roller 22 is
It is configured to be able to move toward and away from the plate cylinder 3 so as to be in pressure contact only with the printing area of the plate cylinder 3.

On the downstream side of the pressure roller 22, a paper discharge tray 23 for stacking and holding printed sheets is swingably mounted on a support shaft 24 fixed to the main body 1 of the apparatus. A side guide plate 24 and an end guide plate 25 are attached to the paper discharge tray 23 so as to be able to be closed inwardly, respectively, for regulating the three outer sides thereof.

Note that the end guide plate 25 is configured to be horizontally expandable and contractible and foldable when in use. Therefore, when the apparatus is not in use, the paper discharge tray 23 can be folded into the apparatus main body 1 as shown by the chain line.

Above the paper feed roller 19 and paper feed table 17,
A pair of plate discharge rollers 2 for peeling off the thermal stencil paper 5 that is no longer needed after printing a predetermined number of sheets from the plate cylinder 3 and storing it.
6.27 and a plate discharge box 28 are provided. Of the plate discharge roller pair 2627, the movable roller 26 is attached to the free end of the swing lever 29, and the movable roller 26 begins to peel off the downstream edge of the thermal stencil paper 5 from the plate cylinder 3. It is configured so that it is pressed against the plate cylinder 3 at this time, and is pressed against the fixed roller 27 after the peeling starts. Therefore, after the peeling is started, the heat-sensitive stencil paper 5 is compressed by the pair of plate discharge rollers 26 and 27 and sequentially stored in the plate discharge box 28.

The master discharge box 28 is configured to be able to be pulled out horizontally from the apparatus main body 1, and when the master discharge box 28 is full of used thermal stencil paper 5, the master discharge box 28 is removed from the apparatus main body 1. By pulling it out horizontally, the used heat-sensitive stencil paper 5 can be easily disposed of.

A document reading device 31 is provided above the plate discharge box 28 for reading a document image formed on the bottom surface of a document (not shown).

The document reading device 31 includes a contact type image sensor 3.
2, and a transmission type 7 for detecting the edge of the document is provided on the upstream side (left side) of the image sensor 32'.
Oto coupler 33.34, and this 7 Oto coupler 33.3
Further upstream of 4, a pair of document feeding rollers 35 and 36 are arranged in pressure contact with each other.

Furthermore, registration rollers 37 are provided upstream of the document feed roller pair 35 and 36 for correcting the inclination of the printing paper in the traveling direction, and further upstream of the registration rollers 37 are provided for handling the document. A pair of registration rollers 38 and 39 are arranged in pressure contact with each other. The registration roller pair 38
．． A top cover 40 of the apparatus main body 1 is located upstream of the main body 39, and a recess 41 is formed in the upper surface of the top cover 40. A document is placed in a recess 41 on the top surface of the top cover 40, the document image of which has not yet been read.

On the downstream side (right side) of the image sensor 32, a pair of document discharge rollers 42.43 that are pressed against each other is provided. A document discharge tray 44 from which subsequent documents are discharged is detachably attached.

The originals fed from the recess 41 on the top surface of the top cover 40 are first handled one by one by the pair of registration rollers 38 and 39, and then the inclination is corrected by the driven registration roller 37, and the document is moved to the right. The document is further conveyed to the document feed roller pair 35 and 36, and is then pinched and fed to the right.

The downstream edge thereof is the photocoupler 34.34.
When a predetermined time has elapsed, the image sensor 32 starts a document reading operation, and a predetermined time elapses after the upstream edge of the document is detected by the photo coupler 34, 34, and the document is detected by the image sensor 32. The document reading operation is controlled to end when the document is completely moved to the right from the top of 32.

Note that the document image signal of the document is configured to be amplified and output to the thermal head 7, and at the same time as the document image signal is read by the image sensor 32, the document image signal is amplified and outputted to the thermal head 7. A stencil sheet 5 is made.

Therefore, during plate making, both the original document and the thermal stencil paper 5 move in the same direction (to the right).

A thermal transfer printing device 45, which is the main part of the present invention, is provided above the document reading device 31.

A paper feed cassette 46 in which thermal transfer paper (plain paper) for thermal transfer printing is loaded and stored is removably attached to the right end of the thermal transfer printing device 45 on the device main body side.

A paper supply roller 47 is provided on the downstream side of the paper feed cassette 46 and separates the paper sheets one by one.

Further downstream (left side) of the paper supply roller 47, paper feed rollers 48, 49 are arranged in pressure contact with each other, and immediately downstream of the paper feed roller 48, 49 there is a reflective type roller for detecting thermal transfer paper. A photosensor 50 is provided.

Further downstream of the photosensor 50, a second platen roller 51 is rotatably provided, and on the downstream side of the second platen roller 51 is a mounting table on which thermal transfer paper that has undergone thermal transfer printing is placed. 69 is mounted so as to be able to swing upward using its base end as a fulcrum.

Note that the mounting table 69 may be configured to be able to swing in the horizontal direction.

A swinging frame 53 is swingably mounted on a support shaft 52 at the top of the document reading device 31, and the swinging frame 53 is in a closed first position with respect to the main body 1 of the device. , and is configured to be able to selectively assume a second posture that is open from the device main body.

A second thermal head 54 is mounted on the swing frame 53.
A channel-shaped suspension member 56 on which is suspended is fixedly provided in a cantilevered manner. In the recess of the suspension member 56, the second thermal head 54, a pressing lever 57 whose one end edge is fixed to the torque shaft 70, and a balance shaft 71 (FIG. 7) are located.

Holding brackets 55 for holding the second thermal head 54 are provided at both ends of the second thermal head 54.
are fixed with screws 58, respectively. Further, a balance beam 72 is fixed between the free ends of the pair of holding brackets 55 with screws 73, and a balance beam 72, which is attached to the suspension member 56, is attached to the center of the balance beam 72. The fulcrum pin 75 (see Figures 3 and 4)
An insertion hole 76 into which it is swingably inserted is bored.

The linear heat generating portion formed in the second thermal head 54 swings (slightly moves) while being balanced in the vertical direction with respect to the swing frame 53 and the suspension member 56 using the balance fulcrum pin 75 as a fulcrum. It is configured to obtain.

The pressing lever 57 is connected to the second thermal head 54.
A torque shaft 70 is used for pressing the second platen roller 51 toward the second platen roller 51, and is biased to rotate counterclockwise by a spring (not shown) attached to the side surface of the swing frame 53. Its proximal end is fixed to. The free end of the pressing lever 57 is connected to the balance shaft 7.
1 is fitted with a cylindrical urethane rubber collar 7
7, the second thermal head 54 is pressed toward the second platen roller 51 side.

In this way, when the swing frame 53 takes the first attitude as shown in FIG. 51.

A positioning member 59 shown by a chain line in FIG. 3 is fixed to the device main body 1, and the positioning member 59 includes
A first positioning pin 60 is formed to protrude from the outer end surface of the holding bracket 55, and a second positioning pin 61 (also used as a film guide bar) is formed to protrude from the outer end surface of the film cartridge 68. and recesses (not labeled) into which they are inserted are respectively cut out. The second thermal head 54 and the film cartridge 68 are positioned in the apparatus main body 1 by fitting both the positioning pins 60 and 61 into the recesses.

Note that only the suspension member 56 is fixed to the swing frame 53, and the film guide bars 6166 are arranged in parallel to the film cartridges 68, respectively.

A take-up reel 62 is mounted on the swing frame 53 above the second thermal head 54, and a supply reel 63 is mounted on the right side thereof. The supply reel 6
3 is fitted onto a rotating shaft 64 that is rotatably attached to a film cartridge 68, and the take-up reel 62 is attached to a rotating shaft 65 to which rotational force is applied via a friction clutch (not shown).
is installed on. The take-up reel 62 is configured so that a rotational force having a circumferential speed slightly higher than the circumferential speed of the second platen roller 51 is applied.

Note that the details of the take-up reel 62 will be further described later.

The four film guide bars 61.66 are arranged in the film cartridge 68 as described above, and the thermal transfer film 67 supplied from the supply reel 63 passes through the film guide bars 61.66 and the second thermal head. 54 and then wound onto the take-up reel 62. As is clear from FIGS. 3 and 4, the thermal transfer film 67 is wound around both reels 62 and 63 in the same direction.

Further, as described above, both the reels 62, 63 and the film guide bar 61, 66 are connected to the film cartridge 68 (
5 and 6), and when replacing the thermal transfer film 67, the swing frame 53 is rotated to take the second posture (see FIG. 4), and when the thermal transfer film 67 is replaced, ,
The film cartridge 68 is inserted into the second thermal head 54.
It can be inserted and removed in the extending direction (horizontal direction) (see Fig. 5).

When the swing frame 53 assumes the second attitude, the second thermal head 54 and the second platen roller 51 are separated, and the paper feed path is opened in a so-called clamshell shape. Like the thermal head 7, the second thermal head 54 is connected to the image sensor 32 and external input equipment.

Therefore, in order to obtain a large number of printed sheets, heat-sensitive stencil paper 5 is used.
When performing normal stencil printing using the stencil printer, the document to be printed is placed rightward from the recess 41 on the top surface of the top cover 40, and then the pair of document supply rollers 3 of the document reading device 31 are placed.
When the document is inserted toward 8.39, the document is moved to the right one by one, and the document image is read by the image sensor 32, and the read document image signal is output to the thermal head 7 as described above. Ru. Then, in accordance with the document image signal, the document image is made into a thermal stencil sheet 5 by the thermal head 7 .

Then, the stencil-made thermal stencil paper 5 is wound around the printing cylinder 3, and normal stencil printing is performed on the printing paper using printing ink.

Next, the operation when performing thermal transfer printing to obtain a small number of printed matter will be explained. As in the case of stencil printing described above, the document is read by the document reading device 32 and temporarily stored in the memory, and the read document image signal is amplified and output to the second thermal head 54.

At this time, the thermal transfer paper is inserted between the thermal transfer paper tray 46 and the second platen roller 51 by the paper supply roller 47 and the paper feed rollers 48 and 49. Then, the thermal transfer paper is pressed against the second thermal head 54 via the thermal transfer film 67 supplied from the supply roller, so that the written image of the original is thermally transferred and printed on the thermal transfer paper.

The thermal transfer paper after thermal transfer printing is discharged onto the mounting table 52, and the thermal transfer film 67 after thermal transfer is wound onto the take-up reel 62.

Note that it is also possible to directly print the output of a word processor or personal computer without using the image sensor 32.

Although not shown, a selection switch is provided that allows you to select three types of printing modes. By operating this selection switch, you can select a stencil printing mode that performs only normal stencil printing, and a thermal transfer mode that performs only thermal transfer printing. The printer is configured to be able to select either a print mode or a multi-print mode in which stencil printing and thermal transfer printing are performed simultaneously.

The apparatus main body 1 is equipped with a well-known print number setting means for setting the number of print sheets, and if the number of print sheets set by this print number setting means is less than 10 sheets, for example, the number of print sheets is automatically set. When the thermal transfer printing mode is selected and the set number of prints is 10 or more, the stencil printing mode may be automatically selected.

The device main body 1 has a built-in image processing interface 101 having functions such as trimming, masking, enlargement, reduction, and background patterning, and the image processing interface 101 is electrically connected to the image sensor 32. . In addition, inside the rear cover of the device main body 1, there is a CPU 1
03, various memories 104, fonts 105 are built-in,
These are electrically connected to the image processing interface 101 and also to external devices such as a word processor 106 and a personal computer 107.

The document image signal read by the image sensor 32 is output from a signal processing means included in the image sensor 32, and is processed by the CPU or temporarily stored in the memory 104. After that, the data is input to the word processor 106 or personal computer 107.

Therefore, the calligraphy image read by the image sensor 32 is subjected to stencil printing or thermal transfer printing in the main body 1 of the apparatus, and is also reproduced and displayed on the display means by the word processor 106 or the personal computer 107. Note that in this case, the font 105 is not used.Next, the structure of the take-up reel 62, which is the main part of the present invention, will be explained.

In FIGS. 8 to 1O, a film take-up tube 78 of a predetermined size (the one in the center is long and the ones on the left and right are short) is shown along the direction of its rotational axis. A plurality of connecting members 80 are provided in series in the horizontal direction, and a connecting member 80 having a disc-shaped flange 79 extending in the centrifugal direction from the rotation axis is fitted between each of the film winding tubes 78. ing.

A protrusion 81 that extends in a direction perpendicular to the plane of the flange body 79 (horizontal direction) and that can be fitted into the film winding tube 78 is formed on both sides of the flange body 79, and a base of the flange body 81 A key portion 82 is formed in the key portion 82 . Key grooves 83 into which the key portions 82 can be inserted are formed at both ends of the film winding tube 78. Note that the key portion 82
It is assumed that the key grooves 83 and 83 are formed in mutually corresponding parts.

The left and right film winding tubes 78 have a notch 8 at their free end.
4 is cut and the free end thereof is configured to be expandable and contractible in the diametrical direction. A plurality of ribs 86 are formed at the base of the reel holding member 85 and extend in the same direction as the direction in which the film take-up tube 78 extends.

The rib 86 serves as a spline for transmitting rotational force to the flange body 79 at the end. The rotational force applied to the rotating shaft 65 is transmitted to the left end flange 79 by the rib 86, and further transmitted to the left end film winding tube 78 by the key portion 82 and the keyway.

The reel holding member 85 is held by the film cartridge 68 via a ball bearing 87, and is connected to the rotating shaft 65 via a friction clutch.

In this embodiment, a narrow untransferred thermal transfer film 67 is attached to the center of the supply reel 63, and the transferred thermal transfer film 67 is attached to the film winding tube 78 at the center of the winding wheel 62. Although the thermal transfer film 67 is configured to be wound up, narrower thermal transfer films 67 having different colorations may be wound around the left and right film winding tubes 78.

Next, a second embodiment of the take-up reel 62 will be described with reference to FIGS. 11 and 12.

Four film winding tubes 78 of the same size are fitted in series on a shaft member 88 extending in the same direction as the axis of rotation thereof, and between each of the film winding tubes 78, Part 8
A disc-shaped collar body 90 with an opening 89 through which the 8 is inserted.
is interposed.

An engaging protrusion 91 extending perpendicularly to the plane of the collar body 90 is formed in the vicinity of the opening 89 and can be engaged with the end of the film winding tube 78. An engagement recess (also used as the keyway 83 in the above embodiment) is formed.

Then, the supply reel 63 is filled with, for example, a red color from the left end.
Narrow untransferred thermal transfer films 67 colored in blue, red, and black are sequentially mounted, and each thermal transfer film 67 after transfer is wound onto the take-up reel 62 in the same manner as the supply reel 63. It is composed of

In this way, it is possible to obtain a thermal transfer printed matter having the colors shown in FIG. 13, for example.

(g) Effects of the invention In the first major invention, it is possible to heat multiple thermal transfer films at the same time, so if the multiple thermal transfer films are each colored in a different color, multiple colors can be applied at the same time. It becomes possible to thermal transfer print an appropriate amount of calligraphy images.

Furthermore, since the structure is simple, it is possible to reduce the size and cost.

In the second and third main inventions, since a flange is provided between the film winding tubes, each thermal transfer film after transfer is separated by the flange and is reliably separated without mutual interference. The paper is then rolled up for each color.

Furthermore, each of the inventions has the advantage that the arrangement, width, hue, etc. of colors can be changed freely to some extent.

[Brief explanation of the drawing]

The drawings all show a composite printing apparatus equipped with an embodiment of the present invention, in which Fig. 1 is an overall configuration diagram, Fig. 2 is an external perspective view, and Figs. 3 and 4 are main parts of different embodiments. An enlarged front view, FIGS. 5 and 6 are schematic diagrams of different swing frames, FIG. 7 is a perspective view of the therma head, FIG. 8 is a longitudinal sectional view of the take-up reel, and FIG. 9 is a connection. A perspective view of the member;
Fig. 10 is a perspective view of a film take-up tube, Fig. 11 is a longitudinal sectional view of a second embodiment of the take-up reel, Fig. 12 is a perspective view of the flange body, and Fig. 13 is a plan view of the thermal transfer printed matter. be. DESCRIPTION OF SYMBOLS 1... Apparatus body, 3... Plate cylinder, 5... Heat-sensitive stencil paper, 51... Second platen roller, 53... Swing frame, 54... Second thermal head, 62...
- Winding reel, 63... Supply reel, 67... Thermal transfer film 68... Film cartridge, 78...
Film winding tube, 79... Flange body, 80... Connection member, 81... Convex portion, 82... Key portion, 83... Key groove, 84... Notch, 85...・Reel holding member, 86
...Rib, 87...Ball bearing, 88...
Shaft member, 89...opening, 90...flange body, 91...
Engagement protrusion. Patent applicant: Seiki Kogyo Co., Ltd. Mine 51 False 6 Diagram #13 (2)

Claims (1)

[Scope of Claims] 1. A thermal transfer printing device in which a thermal head is brought into pressure contact with a printing paper via a thermal transfer film, and ink on the thermal transfer film is transferred onto the printing paper by selectively heating the thermal head. , a supply reel around which an untransferred thermal transfer film is wound; a take-up reel having a rotation axis parallel to the rotation axis of the supply reel and around which a transferred thermal transfer film is wound; and a rotation axis of the supply reel. a thermal transfer head extending in a direction parallel to the supply reel, a thermal transfer film divided into a plurality of parts is wound on the supply reel along the rotation axis direction, and each thermal transfer film is wound on the take-up reel. A thermal transfer printing device, characterized in that it is provided with separating means for separating along its rotational axis. 2. The thermal transfer printing apparatus according to claim 1, wherein the supply reel, the thermal head, and the take-up reel are mounted on a single frame. 3. The thermal transfer printing device according to claim 1 or 2, wherein the supply reel is equipped with a thermal transfer film having inks of different colors attached along the direction in which the supply reel extends. 4. A rotation drive means is connected to the take-up reel, a platen roller is pressed into contact with the thermal head via a thermal transfer film, and the take-up reel is applied with a rotational force having a larger circumferential speed than the platen roller. The thermal transfer printing device according to any one of claims 1 to 3. 5. In a film take-up reel that is divided into a plurality of sections along the direction of the rotation axis, a plurality of film take-up tubes of a predetermined size are provided along the direction of the rotation axis; A take-up reel characterized in that a connecting member having a flange extending in a centrifugal direction from a rotation axis is fitted between each film take-up tube. 6. The take-up reel according to claim 5, wherein a convex portion is formed on both surfaces of the collar body so as to extend in a direction perpendicular to the plane of the collar body and can be fitted into the film take-up tube. 7. A key part is formed on the connecting member, and a key part is formed on the film winding tube.
The take-up reel according to claim 5 or 6, wherein a keyway into which the key portion can be inserted is formed. 8. In a film take-up reel that is divided into a plurality of sections along the direction in which the axis of rotation extends, a film take-up tube of a predetermined size is attached to an axis that extends in the same direction as the direction in which the axis of rotation extends. 1. A take-up reel characterized in that a plurality of film take-up tubes are fitted onto a member, and a flange body having an opening through which the shaft member is inserted is interposed between each of the film take-up tubes. 9. An engaging protrusion extending in a direction perpendicular to the plane of the collar body is protrudingly formed in the vicinity of the opening, and an engaging recess capable of engaging with the engaging protrusion is provided at the end of the film winding tube. A take-up reel is formed. 10. The take-up reel according to any one of claims 5 to 9, wherein a rotation transmission means is removably attached to one end via a friction clutch.