JPH0784324A - Image forming device - Google Patents

Abstract

PURPOSE:To provide an image forming device capable of performing only the heat developing and transfer of photosensitive material with an image already recorded as occasion calls so as to improve the generality of use. CONSTITUTION:A full mode key and a section mode key are provided on a control panel. The full mode key is to set the mode of executing a series of action from scanning and exposure to heat developing and transfer, and normally, this full mode key is operated to copy a document image positioned on a transparent glass plate. The section mode key is to set the mode of executing only heat developing and transfer in the case of charging a magazine 206 stored with photosensitive material 202 already photographed by a large-sized camera 200 or the like. In this case, an exposure device is not put in action.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scanning exposure unit for scanning and exposing a document image to form an image directly on the photosensitive surface of a photosensitive material, and to develop and transfer the photosensitive material on which the image is formed onto an image receiving material. And an image forming unit that creates a copied image according to the present invention.

[0002]

2. Description of the Related Art An image recording apparatus is known which performs an image recording process using two kinds of image recording materials, for example, a photosensitive material and an image receiving material.

The light-sensitive material and the image-receiving material are respectively wound and stored in a magazine in a light-shielding state, and they are successively drawn out and used each time an image recording process is performed. Further, the image recording apparatus is provided with a water application section for applying the image forming solvent to the photosensitive material after the exposure, and further, a heating drum and an endless end which is pressed against the outer periphery of the heating drum and rotates together with the heating drum. A heat development transfer section composed of a pressure contact belt is arranged.

Further, in this type of image recording apparatus, a placing table for placing an original is provided on the upper surface of the apparatus. This placing table is made of a transparent glass plate, and a pressing cover to be stacked on the transparent glass plate is provided. It is arranged.

The presser cover is openable and closable. After the document is placed on the transparent glass plate with the presser cover open, the presser cover is closed. This allows the document to be held at a predetermined position.

The photosensitive material cut out by a predetermined size from the magazine and cut is conveyed while being nipped and conveyed by a conveying roller, and an original image placed on the transparent glass plate is exposed by an optical system, and an image is formed in a water application section. After being coated with water as a working solvent, it is sent to the heat development transfer section. On the other hand, like the photosensitive material, the image receiving material is pulled out from the magazine by a predetermined size and cut, and is fed to the heat development transfer section in synchronization with the photosensitive material by the conveying roller. In the heat-development transfer section, the light-sensitive material coated with water is superposed with the image-receiving material, and in this state, the light-sensitive material is closely wound around the outer periphery of the heating drum. Further, both materials are sandwiched and conveyed between the heating drum and the endless pressure contact belt so that the photosensitive material is thermally developed and an image is transferred to the image receiving material, and a predetermined image is formed (recorded) on the image receiving material. is there.

[0007]

However, if the above series of operations is uniquely performed, for example, an image taken by a camera at another place cannot be directly copied,
The function as a copying machine cannot be fully exerted.

In consideration of the above facts, the present invention can provide an image forming apparatus capable of improving versatility by performing only thermal development transfer on a photosensitive material on which an image has already been recorded, if necessary. Is the purpose.

[0009]

According to a first aspect of the present invention, a scanning exposure section for scanning and exposing an original image on a photosensitive surface of a photosensitive material and a scanning exposed photosensitive material and an image receiving material are superposed on each other. An image forming apparatus comprising: an image forming unit for creating a copied image by developing and transferring, a full mode in which both the scanning exposure unit and the image forming unit are operated; When the exposed photosensitive material is loaded, it has a selection means for selecting any one of the section modes in which only the image formation is executed without performing the scanning exposure as needed.

According to a second aspect of the present invention, the selection means includes a sensor for automatically detecting the type of the photosensitive material loaded in the photosensitive material loading section or the type of the magazine containing the photosensitive material, and the sensor. And a mode discriminating means for discriminating either the full mode or the section mode based on the detection result.

[0011]

According to the first aspect of the present invention, when copying an original image, the full mode is selected, and the original image is scanned and exposed, and then developed and transferred to obtain a copied image. You can

On the other hand, for example, when an image taken by a camera or the like is formed by the image forming apparatus of the present invention, the photosensitive material on which the image is exposed (formed) is loaded in the photosensitive material loading section. In the image forming apparatus of the present invention, the scanning exposure unit and the image forming unit can be separately controlled, and the operator prohibits the execution of the scanning exposure unit and selects the section mode in which only the image forming unit is executed.

Thus, when a photosensitive material which has already been exposed at another place is loaded, only the development transfer is performed and an image can be formed, and the versatility of the image forming function can be enhanced.

According to the second aspect of the invention, the type of the photosensitive material loaded in the photosensitive material loading section or the type of the magazine containing the photosensitive material is automatically detected by the sensor. The mode to be executed is selected based on the detection result. That is, if the photosensitive material or magazine is instructed in advance, it is not necessary to select the mode each time.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a schematic overall configuration diagram of an image recording apparatus 10 according to the present invention. Further, FIG. 2 shows an external view of the image recording apparatus 10.

The image recording apparatus 10 is formed in a box shape as a whole, and a front door 13 and a side door 15 are attached to the machine base 12. Machine base 1 by opening each door
The inside of 2 can be exposed.

Further, on the upper surface of the machine base 12 of the image recording apparatus 10, a mounting table 12A for mounting the document 42 is provided, and the mounting table 12A is provided with a rectangular hole and a transparent glass plate. 45 is attached, and on the transparent glass plate 45, a holding cover 12B that can be opened / closed with the side on the back side of the device as an axis is attached. An operation panel 44 is arranged on the upper surface of the machine base 12.

The original is placed on the transparent glass plate 45 with the image facing downward, and the pressing cover 12B is superposed on the original, whereby the setting of the original is completed.

As shown in FIG. 1, a photosensitive material magazine 14 is arranged in the machine base 12 of the image recording apparatus 10, and a photosensitive material 16 is wound and stored in a roll shape. The photosensitive material 16 is wound so that the photosensitive (exposure) surface faces the lower side of the apparatus.

A nipping roller 18 and a cutter 20 are arranged in the vicinity of the photosensitive material take-out port of the photosensitive material magazine 14, and the photosensitive material 16 can be cut out after being pulled out from the photosensitive material magazine 14 by a predetermined length.

By the way, the photosensitive material magazine 14 shown in FIG. 1 is a magazine for winding unexposed photosensitive material in layers, and in this embodiment, separately from the photosensitive material magazine 14, shown in FIG. As described above, the short sheet-shaped photosensitive material 202 already photographed by the large camera 200 is transferred to the drum 20.
A magazine 206 which is wound around 4 and accommodated therein can be loaded into the apparatus 10. In this case, the operation of the cutter 20 becomes unnecessary.

A plurality of conveying rollers 19, 21, 23, 24, 26 and a guide plate 27 are arranged on the side of the cutter 20, and the photosensitive material 16 cut to a predetermined length is sent to the exposure section 22. Can be transported.

The exposing section 22 is located between the carrying rollers 23 and 24, and the photosensitive material 16 passes through between the carrying rollers as an exposing section (exposure point).

Above the exposed portion 22 and the transparent glass plate 4
An exposure device 38 is provided in the space below 5.
The exposure device 38 is provided with a halogen lamp 38A, a lens unit 38B, a mirror unit 38C, and a filter and a diaphragm (not shown). The exposure device 38 scans and exposes the document image positioned on the transparent glass plate 45, and guides the light to the exposure unit 22.

The scanning exposure operation by the exposure device 38 is
When the magazine 206 containing the already-photographed photosensitive material 202 is loaded, the scanning exposure control is not executed as necessary according to the operator's instruction. It has become.

A switchback unit 4 is provided on the side of the exposure unit 22.
0 is provided, and a water application section 62 is provided below the exposure section 22. The photosensitive material 16 that has risen to the side of the photosensitive material magazine 14 and has been exposed in the exposure unit 22 is provided below the exposure unit 22 by the reverse rotation of the transport roller 26 after being fed into the switchback unit 40 once. It is configured to be fed to the water coating section 62 via the above-mentioned transport path.

A plurality of pipes are connected to the water application section 62 so that water can be supplied.

On the side of the water coating section 62, the heat development transfer section 10 is provided.
4 is arranged so that the photosensitive material 16 coated with water is fed.

On the other hand, the machine base 12 on the side of the photosensitive material magazine 14
An image receiving material 106 is provided in the image receiving material 1
08 is rolled up and stored. A dye fixing material having a mordant is applied to the image forming surface of the image receiving material 108, and the image forming surface is wound toward the upper side of the apparatus.

The receiving material magazine 106 is the sensitive material magazine 14
Similarly to the above, it is composed of a body portion and a pair of side frame portions fixed to both end portions of the body portion, and the front side of the machine base 12 (the front side of the plane of FIG. 1; that is, the width of the rolled image receiving material 108). direction)
It is possible to withdraw to.

A nip roller 110 is arranged in the vicinity of the image receiving material take-out port of the material receiving magazine 106, and the image receiving material 108 can be pulled out from the material receiving magazine 106 and the nip can be released. A cutter 112 is arranged beside the nip roller 110.

On the side of the cutter 112, the photosensitive material magazine 1
An image receiving material transporting section 180 is provided at the side of 4. The image receiving material transport unit 180 includes a transport roller 186,
190, 114 and a guide plate 182 are arranged, and the image receiving material 108 cut into a predetermined length can be conveyed to the heat development transfer section 104.

The photosensitive material 16 conveyed to the heat development transfer section 104 is sent between the bonding roller 120 and the heating drum 116, and the image receiving material 108 is the photosensitive material 1.
In synchronism with the conveyance of 6, the photosensitive material 16 is fed between the laminating roller 120 and the heating drum 116 in a state of being preceded by a predetermined length so as to be superposed.

Inside the heating drum 116, a pair of halogen lamps 132A and 132B are arranged so that the surface of the heating drum 116 can be heated.

The endless pressure contact belt 118 is wound around five winding rollers 134, 135, 136, 138 and 140, and the endless outer side between the winding rollers 134 and 140 is heated. It is pressed against the outer periphery of the drum 116.

A bending guide roller 142 is provided below the heating drum 116 on the downstream side of the endless pressure contact belt 118 in the material supply direction.
Are arranged. A peeling claw 154 is rotatably supported by a shaft below the heating drum 116 on the downstream side of the bending guide roller 142 in the material supply direction.

The photosensitive material 16 peeled by the peeling claw 154 is wound around the bending guide roller 142 and accumulated in the waste photosensitive material storage box 178.

A peeling roller 174 and a peeling claw 176 are arranged in the vicinity of the heating drum 116 on the side of the bending guide roller 142. Peeling roller 174 and peeling claw 176
A receiving material guide 170 is arranged below the receiving material discharge rollers 172, 173, and 175.
The peeling roller 174 and the peeling claw 176 can guide and convey the image receiving material 108 peeled from the heating drum 116.

The image receiving material 108 peeled from the outer periphery of the heating drum 116 by the peeling claw 176 is received by the material receiving guide 170.
In addition, the material receiving rollers 172, 173, and 175 convey the sheet and discharge it to the tray 177.

As shown in FIG. 2, a full mode key 44A and a section mode key 4 are provided on the operation panel 44.
4B is provided.

The full mode key 44A is a mode for executing a series of operations from the above-mentioned scanning exposure to heat development transfer. Normally, the full mode key 44A is operated and the transparent glass plate 45 of the mounting table 12A described above is operated. The document image positioned above is adapted to be copied.

On the other hand, the section mode key 44B is used for the magazine 206 containing the already-photographed photosensitive material 202.
Is a mode in which only thermal development transfer is executed when is loaded. In this case, the operation of the exposure device 38 is not executed. The operation of the cutter 20 is also canceled.

Next, the operation of this embodiment will be described. First, the case where the full mode key 44A is operated on the operation panel 44 will be described. That is, the transparent glass plate 45
In this mode, the document positioned above is copied.

After closing the presser cover 12B, the operation panel 4
The magnification, the number of sheets to be processed, etc. are designated by the operation of 4, and when a start instruction is given, the image processing is started.

That is, with the photosensitive material magazine 14 set, the nip roller 18 is operated and the photosensitive material 16
Are pulled out by the nickel roller 18. Photosensitive material 1
When 6 is pulled out by a predetermined length, the cutter 20 operates and the photosensitive material 16 is cut into a predetermined length.

After the operation of the cutter 20, the photosensitive material 16 is
The sheet is inverted and conveyed to the exposure section 22 with its photosensitive (exposure) surface facing upward. At the same time when the photosensitive material 16 is conveyed, the exposure device 38 operates to scan and expose the photosensitive material 16 located in the exposure section 22.

After the exposure is started, after the exposed photosensitive material 16 is once fed to the switchback section 40,
It is sent to the water application section 62 by the reverse rotation of the carrying roller 26.

In the water application section 62, water is applied to the photosensitive material 16, and the squeeze roller 68 removes excess water and passes through the water application section 62.

The photosensitive material 16 coated with water as an image forming solvent in the water coating section 62 is squeezed roller 6.
It is sent to the heat developing and transferring section 104 by 8.

On the other hand, when the scanning exposure of the photosensitive material 16 is started, the image receiving material 108 is also pulled out from the receiving material magazine 106 by the nip roller 110 and conveyed. When the image receiving material 108 is pulled out by a predetermined length, the cutter 112 operates and the image receiving material 108 is cut into a predetermined length.

After the operation of the cutter 112, the guide plate 182
While being guided by the conveying rollers 190, 186, 1
The sheet is conveyed by 14, and enters a standby state immediately before the heat development transfer section 104.

In the heat development transfer section 104, when it is detected that the photosensitive material 16 has been fed between the outer periphery of the heating drum 116 and the laminating roller 120 by the squeeze roller 68, the conveyance of the image receiving material 108 is restarted. The heating drum 11 is fed to the laminating roller 120 as well.
6 is activated.

In this case, the guide plate 122 is arranged between the laminating roller 120 and the squeeze roller 68 of the water application section 62, and the photosensitive material 16 sent from the squeeze roller 68 is surely attached. Be guided to.

The photosensitive material 16 and the image receiving material 108 superposed by the laminating roller 120 remain in the superposed state, and the heating drum 116 and the endless pressure contact belt 11 are kept.
It is sandwiched between the heating drum 116 and the heating drum 116, and approximately 2/3 of the circumference (between the winding roller 134 and the winding roller 140).
Be transported to. As a result, the photosensitive material 16 and the image receiving material 108 are heated to release the movable dye, and at the same time, the dye is transferred to the dye fixing layer of the image receiving material 108 to obtain an image.

After that, when the photosensitive material 16 and the image receiving material 108 are nipped and conveyed and reach the lower portion of the heating drum 116, the peeling claw 154 is moved by the cam 130 and the image receiving material 1
08, the peeling claw 154 engages with the leading end of the photosensitive material 16 that is conveyed by a predetermined length, and peels the leading end of the photosensitive material 16 from the outer periphery of the heating drum 116. Further, the pinch roller 157 presses the photosensitive material 16 by the returning movement of the peeling claw 154, whereby the photosensitive material 16 is wound around the bending guide roller 142 while being pressed by the pinch roller 157, and is moved downward to be discarded photosensitive material. It is accumulated in the storage box 178.

On the other hand, the heating drum 1 is separated from the photosensitive material 16.
The image receiving material 108 that moves while being in close contact with 16.
Is sent to the peeling roller 174 and peeled.

The image receiving material 108 peeled off from the outer periphery of the heating drum 116 by the peeling claw 176 is further wound around the peeling roller 174 and moved downward, and guided by the material receiving guide 170 while receiving the material receiving rollers 172, 1.
It is conveyed by 73, 175 and discharged to the tray 177.

Next, a case will be described in which the photosensitive material 202 photographed by the large-sized camera 200 is directly subjected to thermal development transfer by this apparatus to form a copied image. In this case, first, the section mode key 4 on the operation panel 44
4B is operated.

The photosensitive material 202 drawn from the large-sized camera 200 is loaded into the apparatus 10 while being wound around the drum 204 in the magazine 206.

The operation panel 44 is operated to specify the magnification, the number of sheets to be processed, etc., and when a start instruction is given, the nip roller 18 is operated and the photosensitive material 202 is moved to the nip roller 1.
Pulled out by 8. Since the photosensitive material 202 is in the form of a short sheet, the cutter 20 does not operate, and the photosensitive material 202 is entirely withdrawn and inverted to expose (exposure) it.
The sheet is conveyed to the exposure unit 22 with its surface facing upward. Here, since the photosensitive material 202 has already been photographed and exposed, the scanning exposure by the exposure unit 22 is not executed. Therefore, the photosensitive material 202 remains as it is in the switchback section 40.
After being fed to the water application section 62, it is fed to the water application section 62 by the reverse rotation of the transport roller 26.

The process after the water application unit 62 is the same as the control in the full mode, and therefore the description thereof is omitted.

As described above, according to the present embodiment, not only is the image copied from the original document, but the large-sized camera 200 is already installed at another place.
An image can be formed by loading the photosensitive material 202 photographed by the above method and performing thermal development transfer, so that a highly versatile apparatus can be obtained.

In this embodiment, the unexposed photosensitive material 1
6 is controlled in full mode, and the exposed and exposed photosensitive material 202 is controlled in section mode.
The magazine 206 containing the exposed and exposed photosensitive material 202 is loaded into the apparatus 10, and the transparent glass plate 45
It is also possible to position the document on top and control in full mode. For example, a light-sensitive material 202 on which a landscape is photographed
It is possible to form an image by using a document on which characters such as the shooting location and the shooting date are recorded, and exposing the characters on the already exposed photosensitive material 202.

Further, in the present embodiment, the selection between the full mode and the section mode is performed by the key operation on the operation panel 44. However, as shown in FIGS. Notches 208, 2 in material magazines 14, 206
10, the notch 208, 210 when the device is loaded.
May be detected by the sensor 212 attached to the apparatus 10 and the mode may be automatically switched. Further, as shown in FIG. 4C, a specific mark 214 is provided only on the photosensitive material 202 when the control in the section mode is required.
May be added, and the control may be performed in the section mode only when this is detected by the sensor 216 attached to the apparatus 10.

[0065]

As described above, the image forming apparatus according to the present invention is capable of performing only thermal development transfer on a photosensitive material on which an image has already been recorded, if necessary, and can improve versatility. Has excellent effect.

[Brief description of drawings]

FIG. 1 is a schematic overall configuration diagram of an image recording apparatus according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the outer appearance of the image recording apparatus of this embodiment.

FIG. 3 is a schematic view showing a flow of a photosensitive material exposed outside the apparatus.

4A and 4B are perspective views when a notch for mode discrimination is provided in a magazine, and FIG. 4C is a perspective view of a photosensitive material with a mark for executing a section mode. is there.

[Explanation of symbols]

 10 image recording device 12A mounting table 14, 206 photosensitive material magazine 16 photosensitive material (unexposed) 44A full mode key 44B section mode key 202 photosensitive material (exposed)

Claims (2)

[Claims] 1. A scanning exposure unit that scans and exposes a document image on a photosensitive surface of a photosensitive material, and an image forming unit that creates a copy image by superposing and developing the photosensitive material and the image receiving material that have been scanning exposed. And a full mode in which the scanning exposure unit and the image forming unit are operated together, and a case where a photosensitive material having an image already exposed is loaded in the photosensitive material loading unit. An image forming apparatus having a selecting unit that selects any one of the section modes for executing only the image formation without performing the scanning exposure according to the above. 2. A sensor for automatically detecting a type of a photosensitive material loaded in a photosensitive material loading section or a type of a magazine containing the photosensitive material, and a full mode based on a detection result of the sensor. 2. The image forming apparatus according to claim 1, further comprising: a mode determining unit that determines which one of the section mode and the section mode.