JPS62232654A - Heat developing and transfer device - Google Patents

Abstract

PURPOSE:To obtain a heat developing and transfer device which has been constituted compactly, by supplying and superposing a heat developing sensitized material onto a an image receiving material which has been wound to the outside periphery of a rotary drum, executing a heat development and a heat transfer, peeling off the heat developing sensitized material from the image receiving material, and thereafter, drying the image receiving material in a state that it has been wound to the outside periphery of the rotary drum. CONSTITUTION:A heat developing photosensitive material 16 which has been taken out of a magazine 14 is wound to an exposure drum 20, exposed to its emulsion surface by an exposure head 22, and thereafter, fed to a water applying part 34. The sensitized material 16 to which water has been applied by the water applying part 34 is fed to a rotary drum 26 and its exposed surface is superposed on an image transfer surface of image receiving paper 32. The sensitized material 16 and the image receiving paper 32 are heated by a heater 27, therefore, a heat development is executed under existence of water, and simultaneously, a dye image which has been formed is brought to a heat transfer to the emulsion surface of the image receiving paper 32. At the time of the transfer work is ended, the rotary drum 26 rotates again, and by an action of a peeling arm5, the sensitized material 16 of an external layers is peeled off and fed to a tray 37. In this state, a drier 40 operates, and the image receiving paper 32 which has been wound to the outside periphery of the rotary drum 26 is dried.

Description

Detailed Description of the Invention [Technical Field of the Invention] The present invention involves applying an image forming solvent to a heat-developable photosensitive material or an image-receiving material 1 on which an image has been recorded, and then superimposing the two and heating them. The present invention relates to a thermal development transfer device that performs development and thermal transfer to obtain an image on an image receiving material O1.

[Technical background of the invention and its problems]

As an image recording device for obtaining a color image using a heat-developable photosensitive material No. 1, as shown in JP-A-59-75247, an image is exposed to light on the heat-developable photosensitive material and then subjected to a heat development process.
There is known a method in which a heat-developable photosensitive material after heat development and an image-receiving paper are superimposed and thermal transfer is performed to obtain an image on the image-receiving paper.

To improve transfer efficiency, this image-receiving paper is coated with a transfer aid (i.e., an image-forming solvent) such as water before being superimposed with the photothermographic material, and heat transfer is performed. i/(I W(l) is produced from the heat-developable photosensitive material.
jΔ11 The image-receiving paper after being separated is not completely dry and is in a wet state, so if it is handled as it is, it may adhere if it accumulates, or it may have fingerprints or dirt on it when it is picked up and looked at. Problems such as becoming easier to use may occur.

In the image recording apparatus disclosed in Japanese Patent Application Laid-Open No. 59-75247, no consideration was given to such problems.

[Purpose of the invention]

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a heat development transfer device having a function of drying an image receiving material after being peeled off from a heat development photosensitive material and having a compact structure as a whole. With the goal.

[Summary and operation of the invention]

The thermal development transfer device according to the first invention of the present application includes a rotating drum that holds an image-receiving material wound around its outer periphery, an image-receiving material supply means that supplies the image-receiving material to the outer periphery of the rotating drum, and After applying an image-forming solvent to the photosensitive material,
a heat-developable photosensitive material supply means for supplying the photothermographic material onto the image-receiving material wound around the outer periphery of the rotating drum; A heating means for heating and a first 'tJI f! which is provided close to the outer periphery of the rotating drum and is used to peel off the photothermographic material after thermal development and thermal transfer from the image receiving material t'l. 1 means, a drying means for drying the image receiving material on the outer periphery E of the rotating drum from which the photothermographic material has been peeled, and a drying means provided close to the outer periphery of the rotating 1 ram, after the drying is performed. and a second peeling means for peeling the image receiving material from the rotating drum.

Further, the thermal development transfer device according to the second invention of the present application includes a rotating drum that holds an image-receiving material 1 wound around its outer periphery, and a rotating drum that holds the image-receiving material in a state where it is wound around its outer periphery. an image-receiving material chaff supply means for supplying the image-receiving material to the outer periphery of the rotary drum; a heat-developable photosensitive material supply means for supplying the heat-developable photosensitive material on the image-receiving material wound around the outer periphery of the rotary drum; A heating means for heating the image-receiving material and the photothermographic material wound in an overlapping manner; and a heating means provided close to the outer periphery of the rotary drum, which receives the photothermographic material after thermal development and thermal transfer. From Material O.L!
, the first to release +1! a drying means for drying the image receiving material on the outer periphery of the rotating drum, on which the photothermographic material has been near, 11, and Ql; The second step is to peel off the image-receiving material from the rotating drum. ,
There are 4 means.

Therefore, the photosensitive material and the image-receiving material are tightly wound onto the drum and heated by the heating means, whereby both the development of the photosensitive material and the transfer of the image from the photosensitive material to the image-receiving material take place on the drum. ing. This transfer is carried out extremely reliably by applying an image-forming solvent to the photosensitive material or image-receiving material in advance.

Since the image-receiving material after the image transfer is dried on the drum and then taken out, there is no problem when holding it and looking at it.

The image-forming solvent applied in the present invention is, for example, disclosed in Patent No. 1!3n 1986-168゜411, filed by the present applicant.
The application can be carried out using the application member shown in the above issue, and the application member includes a sponge made of a material that is water-absorbing and capable of retaining even a small amount of image forming solvent such as water.
Porous materials such as foam, felt, brushes, etc. can be used. Further, as other image forming solvent coating means, there is a coating method using a coating roller as shown in Japanese Patent Laid-Open No. 75247/1983 filed by the present applicant, and a coating method using a coating roller as disclosed in Japanese Patent Application Laid-Open No. 1983-75247 filed by the present applicant.
158.547, which sprays the image forming solvent in the form of a mist, or Utility Model Publication No. 189.75/1986
It is possible to use an endless belt shown in No. 2 in which a part of the endless belt is provided with a solvent application part.

Further, as the heat-developable photosensitive material and image-receiving material in the present invention, for example, U.S. Pat. No. 137, JP 59-154.445
No., JP-A-59-165.054, JP-A-59-18
No. 0,548, JP 59-218.443, JP 60-120.356, JP 59-209.563
No., Patent Application No. 1983-79.709, Special Application No. 1983-169
．． The heat-developable light-sensitive materials (thermally developable light-sensitive elements) and image-receiving materials (dye-fixing elements) described in Japanese Patent Application No. 585, Japanese Patent Application No. Sho Go-244.873, etc. can be used.

In addition, the image forming solvent in the present invention is a solvent required for image forming, such as water, a low boiling point organic solvent (alcohol, ketones, amide complex, etc.), or a surfactant added to these solvents. , a development accelerator, a development stopper, and other various additives can be used.

[Embodiments of the invention]

FIG. 1 shows an image recording apparatus 10 incorporating a thermal development transfer device of the present invention.

In this image recording apparatus 10, a magazine 14 is mounted on a machine stand 12 and stores a photothermographic material 16. This photosensitive material 16 is pulled out from the magazine 14 and cutter 18
After being cut to the required length, it is wrapped around the outer periphery of the exposure drum 20 installed in the machine stand 12 (in the direction of arrow B), and after being exposed by the exposure head 22, the exposure drum 20 is reversed (in the direction of arrow B). The water application part 34 is peeled off with the scraper 24.
It is configured such that it is sent to the outer periphery of the rotating drum 26 through the.

Further, the image-receiving paper 32 stored in layers in the cassette 30 is sent to the rotating drum 26 by the conveyance roller 33, but the image-receiving paper 32 is delivered to the rotating drum 26 before the photosensitive material 16.
It is arranged inside the photosensitive material 16 and wound around the rotating drum 26. A heater 27 is built into the rotating drum 26, and the image on the photosensitive material 16 is thermally transferred to the image receiving paper 32. The heater 27 may be placed outside the rotating drum 26.

Also, a peeling arm 35.3G is provided on the outer periphery of the rotating drum 26.
are arranged, and the release arm 35 separates the photosensitive material 16 onto a tray 37, and the 2II release arm 36 separates and sends out the image receiving paper 3°2 onto a take-out tray 38.

A dryer 40 is disposed between the peeling arms 35 and 36 in correspondence with the outer periphery of the rotating drum 26, and after the photosensitive material 16 has been peeled off from the outer periphery of the rotating drum 20, it sends hot air to the image receiving paper 32 to dry the image receiving paper 32. The image receiving paper 32 can be dried while being wound around the rotating drum 26.

The water application section 34 will be described in detail with reference to FIGS. 2 to 4.

In the water application section 34, a pair of conveyance rollers 44, 46 that sandwich the photosensitive material 16 being conveyed are arranged close to the exposure section, and a pair of conveyance rollers 48. 50 are arranged to sandwich and convey the photosensitive material 1G. These rollers are configured to send the photosensitive material 16 to the overlapping roller 28 by receiving the driving force of a motor (not shown). Further, a guide plate 51 is provided between these first general feed rollers, corresponding to the back surface (anti-exposure surface side) of the photosensitive material 16 being transported.

As shown in FIG. 4, a bracket 52 is hung between the conveying rollers 44 and 48 in close proximity to the image transfer surface of the image receiving paper 32 being conveyed. A rotary shaft 58 is supported on the bracket 52 by a pair of bearings 54 and 56. A rotating arm 60 is fixed to this rotating shaft 58. The rotary arm 60 is formed of a plate material, has both ends bent at right angles, extends parallel to each other, and is fixed to the rotary shaft 58 at this extended portion.

The end of the rotating shaft 58 protruding from the bearing 56 is connected to a motor 64 via a joint 62, and receives the rotational force of the motor 64 to move the rotating arm 60 between the state shown in FIG. 2 and the state shown in FIG. It is possible to rotate between the two.

A clip 68 to which one end of the side wall of the tank 66 is fixed is fitted into the center of the rotating arm 60, so that the tank 66 can be attached to the rotating arm 60. A handle 70 is provided at the top, and when an operator grasps the handle 70 and lifts it upward from the state shown in FIGS. 2 and 4, the clip 68 comes off from the rotating arm 60 and the tank 66 can be taken out. Therefore, the clip 68 is preferably made of a temporary spring material.

As shown in FIG. 2, water 72, which is an image forming solvent, is injected into the tank 66, and the water is applied to the surface of the photosensitive material Fl G through the porous felt 74. There is. T! 11, one end of the felt 74 is inserted into the tank 66, and the distal end protruding from the tank 66, that is, the applied part contacts the photosensitive material 1G, so that the felt 74 is exposed to the photosensitive material 16 in the state shown in FIGS. 2 and 4. This is the application position where the impregnated water can be applied to the middle part of the surface. Further, in the state shown in FIG. 3, since the felt 74 is separated from the photosensitive material 16, water application is not performed, and this is the retracted position, and the felt 74 is in a state separated from the water in the tank 66.

Note that in order to accurately stop the tank 6G at the application position shown in FIG. 2 and the retreat position shown in FIG. Bye.

The shaded area shown in FIG. 4 indicates the application water 76 applied by the felt 74. The width W of the coating water 76 can be arbitrarily adjusted by adjusting the width of the felt 74. In addition to this, the felt 74 may be brought into contact with the surface of the photosensitive material 16 through a plate-shaped mask that covers the portions of the photosensitive material 16 that do not need to be coated with water. In order not to adversely affect the coating water 76, the conveying roller 48 has a small diameter section 48A in the middle, and is configured to clamp only the widthwise ends of the photosensitive material 16.

A guide rod 78 whose axis is vertical at the water application position shown in FIG. 2 is installed in the tank 66, along which the float 80 can move. A magnet 82 is attached to a part of the float 80, and the float 80 and the float 80 follow changes in the liquid level of the water 72 in the tank 66.

A magnetic sensor 88 fixed to the rotary arm 60 via a mounting plate 86 corresponding to the magnet 82 detects when the magnet 82 reaches a predetermined height at the water application position shown in FIG. An alarm device (not shown) or the like can notify a shortage of water 72 in the container. In this case, the working port can supply a required amount of water into the tank 66 or replace the tank 66 with another tank 6G.

In addition, in order to detect the liquid level in the tank 6G, various sensors can be applied, and the tank 66 may be made transparent so that the liquid level can be visually observed from the outside.

In the retracted position shown in FIG. 3, the tank 66 is rotated clockwise from the application position and the felt 74 is positioned higher, so the liquid level of the water 72 has not reached the felt 74, and in this retracted position This makes it possible to reduce the risk of water 72 passing through felt 74 and evaporating to the outside.

Next, the operation of this embodiment will be explained.

Image-receiving paper 32 sent out from cassette 30 by conveyance roller 33 is wound around the outer periphery of rotary drum 26 by rotation of rotary tram 26, with its image transfer surface facing outside. On the other hand, the photothermographic material 16 taken out from the magazine 14 is wound around the exposure drum 20, and the exposure head 2
After the emulsion surface is exposed in step 2, it is sent to a water coating section 34.

In the water coating section 34, the mokuro 4 rotates in synchronization with the conveyance of the photosensitive material 16, and the tank 66 is set at the coating position as shown in FIG. The motor 64 is rotated again after the necessary amount of water has been applied according to the progress of the photosensitive material 16, and the tank 6 is filled with water.
6 to the retracted position shown in FIG.

Thereby, as shown in FIG. 4, the coating length along the longitudinal direction of the photosensitive material I6 can be arbitrarily controlled. Moreover, since the width dimension W of the coating water 76 is controlled by the width dimension of the felt 74, the coating water 76 can be applied only to the necessary image transfer area. Since the application water 76 after application passes through the small diameter portion 48A of the transport roller 48, the application water 76 after application is not adversely affected by the transport roller 48.

The photosensitive material 16 coated with water in the water coating section 34 is sent to the rotating drum 26 so that its exposed surface is overlapped with the image transfer surface of the image receiving paper 32 .

The superimposed photosensitive material 16 and image receiving paper 32 are heated by a heater 2.
7, the formed dye image is thermally developed in the presence of water and transferred to the emulsion surface of the paper 32 by heat. In this transfer state, the required amount has already been transferred to the photosensitive material 16. Since the amount of water is properly applied, extremely good transfer work is performed.

When the transfer work is completed, the rotating drum 26 rotates again.
By the operation of the AII M-arm 35, the outer layer of photosensitive material 16 is peeled off and sent to the tray 37. Dryer 40 here
is operated, and after the image receiving paper 32 still wound around the outer periphery of the rotating drum 2G is dried, it is taken out to the takeout tray 38 by the peeling arm 36.

Since this image-receiving paper 32 has already been dried, it will not become sticky even if you pick it up.

In the above embodiment, a configuration was shown in which water is applied to the photosensitive material 16 before being supplied to the rotating drum 26.
The image receiving paper 32 may be coated with water before being supplied to the image receiving paper 6.

〔Effect of the invention〕

As explained above, the heat development transfer device according to the present invention supplies a heat development photosensitive material onto an image receiving material wound around the outer periphery of a rotating drum, superimposes it, performs heat development and thermal transfer, and converts the heat development photosensitive material into After being separated from the image-receiving material, the image-receiving material is dried by the drying means while being wrapped around the outer periphery of the rotating drum, so the compact structure can handle everything from supplying the photothermographic material and image-receiving material to drying the image-receiving material. It has the excellent effect of being able to achieve the following.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing an embodiment of the thermal development transfer device according to the present invention, FIG. 2 is an enlarged view showing the application position of the water application section, and FIG.
The figure is an operation diagram showing the retracted position, and FIG. 4 is a perspective view of the water applicator in the application position. 10...6 Image recording device, 16... Photosensitive material, 26... Rotating drum, 32... Receiving paper, 34... Water coating section, 35.36...? Separate arm, 40...Dryer.

Claims (2)

[Claims] (1) A rotating drum that holds an image-receiving material wound around its outer periphery, an image-receiving material supplying means that supplies the image-receiving material to the outer periphery of the rotating drum, and an image-receiving material supplying means that supplies the image-receiving material to the outer periphery of the rotating drum, and after applying an image-forming solvent to the photothermographic material. , a heat-developable photosensitive material supply means for supplying the photothermographic material onto the image-receiving material wound around the outer periphery of the rotating drum; and an image-receiving material and the photothermographic material that are overlapped and wound around the outer periphery of the rotating drum. a first peeling means provided close to the outer periphery of the rotating drum for peeling off the photothermographic material from the image-receiving material after thermal development and thermal transfer; a drying means for drying the image receiving material on the outer periphery of the rotating drum from which the developing photosensitive material has been peeled; and a drying means provided close to the outer periphery of the rotating drum to peel the image receiving material after the drying from the rotating drum. A thermal development transfer device comprising: a second peeling means for peeling. (2) A rotating drum that holds the image-receiving material wrapped around its outer periphery, and after applying an image-forming solvent to the image-receiving material,
an image-receiving material supply means for supplying the image-receiving material onto the outer periphery of the rotating drum; a heat-developable photosensitive material supply means for supplying the heat-developable photosensitive material onto the image-receiving material wound around the outer periphery of the rotating drum; a heating means for heating the image-receiving material and the photothermographic material wrapped around the outer periphery of the rotary drum; a first peeling means for peeling the image-receiving material from the image-receiving material; a drying means for drying the image-receiving material on the outer periphery of the rotating drum from which the photothermographic material has been peeled; , a second peeling means for peeling off the dried image-receiving material from the rotating drum.