JP3574224B2 - Solvent coating device for image formation - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to an image forming solvent coating apparatus in which an image forming solvent is filled in a dish member, the image recording material passes through the dish member, and the image forming solvent is applied to the image recording material.
[0002]
Problems to be solved by the prior art and the invention
The following is known as an image recording device. That is, the photosensitive material (image recording material) is subjected to image exposure, and after the exposure, water (transfer aid) as a solvent for image formation is applied to the photosensitive material in order to improve the heat development transfer efficiency. The photosensitive material coated with the image forming solvent is superimposed on the image receiving material (image recording material) and wound around the outer circumference of the heating drum, and heat development transfer is performed.
[0003]
The image forming solvent is filled in the dish member, and a guide member is provided opposite the dish member. The photosensitive material is guided by the guide member, passes through the opposed distance between the plate member and the guide member into the image forming solvent, and the image forming solvent is applied to the image recording material during the passage. A squeeze roller is provided downstream of the plate member in the image recording material passage direction. The image recording material to which the image forming solvent has been applied is nipped by a squeeze roller and conveyed to the outside of the dish member. At this time, excess image forming solvent is wiped off.
[0004]
The dish member has two drain ports, an overflow drain port for filling a predetermined amount of the image forming solvent into the dish member, and a forced drain port for emptying the dish member. Is provided. The image forming solvent is supplied to the plate member from a bottle by a water supply pump, and the image forming solvent drained from the two drain ports is returned to the same bottle. Each drain port and the bottle mouth of the bottle are individually connected by a tube, a drain port for forced drainage, an electromagnetic valve is provided in the middle of the tube connecting the bottle mouth of the bottle, It is possible to empty the inside of the dish member as needed.
[0005]
By the way, when attaching and detaching the plate member, it is necessary to pull out the tube from both drain ports and fit it into both drain ports. This is a cumbersome task. In addition, withdrawal and fitting of both tubes into both drain holes are performed in the direction of removal of the plate member, which is easily visible, while the bottle is placed in the direction of attachment of the plate member so as not to hinder the removal of the plate member. Be located. Therefore, both the drain port of the plate member and the bottle port of the bottle are far apart, the length of the tube connecting them increases, and the maintenance work of the piping becomes troublesome.
[0006]
In addition, during the attaching / detaching operation of the plate member, the guide member remains in the storage portion and is separated from the plate member, but the squeeze roller follows the plate member. Accordingly, maintenance and inspection of the plate member becomes complicated because the squeeze roller follows the plate member.
[0007]
SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a forming solvent applying apparatus which facilitates attachment and detachment of a plate member, simplifies piping, and reduces maintenance work of piping.
[0008]
Another object of the present invention is to provide an image forming solvent application device which facilitates maintenance and inspection work of a plate member.
[0009]
[Means for Solving the Problems]
The image forming solvent coating apparatus according to the present invention according to claim 1,
Image formation in which the image forming solvent supplied from the bottle containing the image forming solvent is filled in the dish member, the image recording material passes through the dish member, and the image forming solvent is applied to the image recording material. Solvent application equipment
An accommodating portion in which the dish member is accommodated,
Attaching / detaching means for attaching / detaching the dish member to / from the accommodation portion,
Two drain ports provided on the plate member, the first drain port for overflow and the second drain port for forced drainage;
A receiving member provided with two receiving ports connected to both drain ports when the dish member is mounted on the storage section side, and receiving the image forming solvent discharged from both the drain ports to the bottle.When,
It is characterized by having.
[0010]
According to a second aspect of the present invention, there is provided an image forming solvent coating apparatus according to the first aspect,
The receiving member,
The two receptacles, which are a first receptacle corresponding to the first drain port and a second receptacle corresponding to the second drain port, and one end is a first receptacle. A first drainage path connected thereto, a second drainage path having one end connected to the second receiving port and intervening a valve in the middle, the first drainage path, and a second drainage A merging port that merges the path with the other end and communicates with the bottle;
It is characterized by having.
[0011]
According to a third aspect of the present invention, in the image forming solvent application apparatus according to the second aspect,
The bottle mouth of the bottle is brought close to the junction.
[0012]
According to a fourth aspect of the present invention, there is provided the image forming solvent coating apparatus according to the first aspect of the invention.
A guide member that is provided to face the dish member on the housing portion side, the facing interval is a passage of the image recording material, guides the image recording material, and when the dish member is removed, a guide member remaining on the housing portion side,
A squeeze roller provided on the guide member, for nipping and conveying the image recording material coated with the image forming solvent outside the dish member,
It is characterized by having.
According to a fifth aspect of the present invention, there is provided an image forming solvent coating apparatus according to the first to fourth aspects.
A rail that is provided in the storage unit and guides the plate member toward the storage unit so that the two drain ports of the plate member are inserted and connected to the two receiving ports of the storage unit;
A guide projection provided on the plate member and removably fitted to the rail;
It is characterized by having.
[0013]
[Action]
According to the above configuration, when the dish member is attached to the storage section, both the drain ports are respectively connected to both the receiving ports of the receiving member.AutomaticallyConnected. The image forming solvent is filled in the dish member, but in order to keep the filling amount constant, an excess of the image forming solvent overflows, passes through the first drain port, and passes through the receiving member. In the case of maintenance and inspection described later, the image forming solvent in the dish member is forcibly sent to the bottle through the second drain port through the receiving member.
[0014]
In the case of maintenance and inspection of the plate member, the plate member is removed from the storage portion. Along with this, the two drain ports are separated from the two receiving ports of the receiving member.
[0015]
Therefore, every time the dish member is attached / detached, the work of extracting and fitting the two drain ports of the tube becomes unnecessary, and the attachment / detachment of the dish member is facilitated. Further, it is not necessary to visually check the connection between the two drain ports and the receiving port, and the connection is sufficient on the insertion direction side of the plate member, and both the drain ports and the bottle located on the same side are brought close to each other, and the piping is connected. The piping is simplified, for example, the length is shortened, and the maintenance and inspection work of the piping is reduced.
[0016]
In the receiving member according to the second aspect, the drainage that overflows is sent to the bottle from the junction through the first drainage path. The forced drainage is sent to the bottle from the junction through the second drainage path by opening the valve. According to this configuration, the piping is omitted, and the maintenance and inspection work of the piping is further facilitated.
[0017]
As described in claim 3, by bringing the bottle mouth of the bottle close to the merging port, a separate pipe is not required between both the drain port and the bottle, and the maintenance work of the pipe is unnecessary as long as it is provided. It becomes.
[0018]
The image recording material is guided by the guide member, passes through the inside of the dish member, is pinched by the squeeze roller, is conveyed to the outside of the dish member, and the excess image forming solvent is wiped off. .
[0019]
The guide member remains on the housing portion side together with the squeeze roller, and is separated from the dish member when the dish member is attached or detached. Since the squeeze roller does not follow the attachment / detachment operation of the plate member, maintenance and inspection of the plate member becomes easy.
As set forth in claim 5, the guide convex portion of the dish member is fitted on the rail and guided to slide along the rail, whereby the dish member is detachable from the accommodation portion. At this time, since the dish member is guided toward the housing portion so that the two liquid outlets are inserted and connected to the two receptacles, it is unnecessary to visually check the connection between the liquid outlet and the receptacle. In addition, maintenance and inspection of the plate member are facilitated.
[0020]
【Example】
Hereinafter, an embodiment of an image forming solvent application apparatus according to the present invention will be described with reference to FIGS.
[0021]
As shown in FIG. 1, the image recording apparatus 10 includes a box-shaped machine base 12, and includes a photosensitive material magazine 14 in the machine base 12. In the photosensitive material magazine 14, a photosensitive material 16 is wound and stored in a roll shape. The photosensitive material 16 comprises a support having thereon a photosensitive silver halide, a binder, a dye-providing substance, and a reducing agent. The photosensitive material 16 is wound into the photosensitive material magazine 14 such that the photosensitive (exposure) surface faces upward when the photosensitive material 16 is located at an exposure section 18 described later.
[0022]
The width direction of the photosensitive material 16 is, for example, 135 mm.
Although not shown in detail, the photosensitive material magazine 14 includes a body having a length corresponding to the width dimension of the photosensitive material 16 and a pair of end walls fixed to both ends of the body. It is configured in a shape. The photosensitive material magazine 14 is arranged to be inclined when viewed from the width direction of the photosensitive material so that the peripheral surface is inclined both in the vertical plane and the horizontal plane. The photosensitive material outlet 20 for pulling out the photosensitive material 16 from the photosensitive material magazine 14 is formed at the uppermost corner of the four corners when the photosensitive material magazine 14 is inclined when viewed from the photosensitive material width direction. Is done.
[0023]
In the vicinity of the photosensitive material magazine 14 outside the photosensitive material outlet 20, a nip roller 22 as an extraction roller is disposed. The nip roller 22 is driven to rotate, and the photosensitive material 16 is pulled out a predetermined length obliquely upward through the photosensitive material outlet 20.
[0024]
The speed at which the photosensitive material 16 is pulled out and conveyed by the nip roller 22 is, for example, 35 mm / sec.
[0025]
A cutter 24 is disposed on the photosensitive material drawing direction side of the nip roller 22. The cutter 24 can cut the photosensitive material 16 pulled out by the nip roller 22 into a predetermined length. As the cutter 24, for example, a cutter provided with a fixed blade and a rotary blade, which cuts the photosensitive material 16 by moving the rotary blade perpendicularly to the transport direction by a wire or the like and engaging with the fixed blade is possible. After the cutting operation of the cutter 24, the nip roller 22 rotates in the reverse direction, and the photosensitive material 16 is rewound by the nip roller 22 to such an extent that the tip of the photosensitive material 16 is slightly nipped. The cutting operation of the cutter 24 and the unwinding operation of the photosensitive material by the nip roller 22 are performed independently by a drive system different from the photosensitive material unwinding operation of the nip roller 22.
[0026]
Subsequent to the cutter 24, transport rollers 26 and 28 and a guide plate 30 are arranged, and the transport rollers 26 and 28 are driven to rotate so that the photosensitive material 16 cut to a predetermined length is positioned above the photosensitive material magazine 14. To the exposure unit 18 to be exposed.
[0027]
The speed at which the photosensitive material 16 is transported by the transport rollers 26 and 28 is, for example, 50 mm / sec.
[0028]
The exposure section 18 is located between the transport rollers 32 and 34, and the area between the transport rollers 32 and 34 is defined as an exposure section (exposure point) 18, and the photosensitive material 16 passes horizontally between the transport rollers 32 and 34.
[0029]
The speed at which the photosensitive material 16 is transported by the transport rollers 32 and 34 is, for example, 50 mm / sec.
[0030]
A mounting table 36 for mounting the original G is provided on the upper surface of the machine base 12, and a rectangular hole is formed in the mounting table 36, and a transparent glass plate 38 is fitted into the hole. The mounting table 36 has a rotation axis along the side on the back side of the machine base 12 (the front side of the machine base 12 (that is, the front side of the image recording apparatus 10 is indicated by an arrow B in FIG. 8)). A holding cover 40 that can be opened and closed on the transparent glass plate 38 is attached. An exposure device 42 is provided between the transparent glass plate 38 and the exposure unit 18. The exposure device 42 includes a lamp unit 44, a mirror unit 46, a filter unit 48, a mirror unit 50, and a sixth reflection mirror 52 in order toward the exposure unit 18. The lamp unit 44 includes a rod-shaped halogen lamp 54 and a first mirror 56 as light sources, the mirror unit 46 includes a second mirror 58 and a third mirror 60, and the mirror unit 50 includes a fourth mirror 62 and a fifth mirror. 64. The filter unit 48 includes three (C, M, and Y) color adjustment filters 66, a lens 68, and an aperture mechanism 70, and is provided between the third mirror 60 of the mirror unit 46 and the fourth mirror 62 of the mirror unit 50. Are located in
[0031]
Exposure is performed as follows. That is, when the lamp unit 44 and the mirror unit 60 move along the document G, and the photosensitive material 16 passes through the exposure unit 18 in a timely manner, light is transmitted from the halogen lamp 54 to the document G on the mounting table 36. The first mirror 56 of the lamp unit 44, the second mirror 58 and the third mirror 60 of the mirror unit 46, the filter unit 48, the fourth mirror 62 of the mirror unit 50, and the Scanning exposure is performed on the photosensitive surface of the photosensitive material 16 through an optical path sequentially formed by the fifth mirror 64 and the sixth mirror 52.
[0032]
When the exposure is performed with the magnification changed from the same magnification, the filter unit 48 and the mirror unit 50 move according to the magnification.
[0033]
Further, the filter unit 48 performs image formation and color correction of the reflected light from the original G (the third mirror of the mirror unit).
[0034]
A switchback unit 72 is connected to the exposure unit 18. The photosensitive material 16 that has been scanned and passed through the exposure unit 18 is once sent to the switchback unit 72. After the completion of the scanning exposure, the transport rollers 32 and 34 are reversed, and the photosensitive material 16 passes through the exposure unit 18 again. A switching point 74 is provided below the transport rollers 32 and 34, and by switching the switching point 74, the photosensitive material 16 is sent to the water application section 76 without returning to the photosensitive material magazine 14 side.
[0035]
The water application unit 76 is located between the exposure unit 18 and the photosensitive material magazine 14 and includes an application plate 78. The coating tray 78 is filled with water as a solvent for image formation. A guide plate 80 is attached above the application tray 78. A supply roller 82 is provided on the upstream side of the water application section 76 in the photosensitive material transport direction, and a pair of quiz rollers 84 is arranged on the downstream side of the photosensitive material transport direction. The photosensitive material 16 is fed into the coating plate 78 by the supply roller 82 and passes between the guide plate 80 and the coating plate 78. During this passage, water is applied to the photosensitive material 16. The photosensitive material 16 to which water has been applied is nipped and conveyed by a squeeze roller 84, and excess water is removed from the applied water and discharged to the outside of the application tray 78. According to the image forming solvent, the thermal development transfer efficiency is improved in the subsequent thermal development transfer.
[0036]
On the other hand, a receiving material magazine 88 is arranged next to the photosensitive material magazine 14. In the receiving material magazine 88, an image receiving material 90 is wound and stored in a roll shape. The width dimension of the image receiving material 90 is smaller than the photosensitive material 16 (for example, 127 mm). A dye fixing material having a mordant is applied to the image forming surface of the image receiving material 90. The image receiving material 90 is wound into the material receiving magazine 88 such that the image forming surface is a surface facing the photosensitive material 16 side when the photosensitive material 16 is overlapped with the photosensitive material 16 described later.
[0037]
Similarly to the light-sensitive material magazine 14, the receiving material magazine 88 is also formed in a quadrangular rectangular tube shape, is inclined obliquely when viewed from the width direction of the image receiving material 90, and has an image receiving material outlet 92 at the uppermost corner. Prepare. As in the case of the photosensitive material 16, the image receiving material 90 is drawn through the image receiving material outlet 92 by a predetermined length by the nip roller 94 and cut by the cutter 96. However, the cut length of the image receiving material 90 is shorter than the cut length of the photosensitive material 16.
[0038]
Subsequent to the cutter 96, transport rollers 98, 100 and a guide plate 102 are arranged, and the transport rollers 98, 100 are driven to rotate, so that the image receiving material 90 cut to a predetermined length is positioned above the material receiving magazine 88. Is transferred to the thermal development transfer unit 104.
[0039]
The thermal development transfer unit 104 includes a heating drum 106 and an endless pressure contact belt 108, and also includes a bonding roller 110.
[0040]
The heating drum 106 includes a halogen lamp 108 therein. The halogen lamp 108 heats the outer peripheral surface of the heating drum 106.
[0041]
The heating drum 106 is a thin aluminum pipe, the outer peripheral surface is coated with fluorine, the inner peripheral surface is black heat-resistant painted, the thickness is 3 mm, the outer diameter is 130 mm, and the effective width in the axial direction is 158 mm. Some things are possible.
[0042]
The endless pressure contact belt 108 extends in a substantially half-circumferential region (approximately a half region on the upper side) of the heating drum 106, and is formed on the outer periphery of the heating drum 106 so as to be in pressure contact with the heating drum 106 in a substantially half-circumferential region. It is wound in an inscribed state around four winding rollers 112 arranged at predetermined intervals. The winding roller 112 is driven to rotate and the endless pressure contact belt 108 travels, whereby the rotation is transmitted to the heating drum 106 pressed by the endless pressure contact belt 108.
[0043]
The peripheral speed of the heating drum 106 can be, for example, 35 mm / sec. The endless pressure contact belt 108 can be formed by covering a woven fabric material with rubber, and have a width dimension of 224 mm. Further, a rubber roller can be used as the winding roller 112.
[0044]
The winding roller 112 can be made of stainless steel. The bonding roller 110 is positioned corresponding to the water application unit 76, is pressed against the outer periphery of the heating drum 106, and is driven to rotate.
[0045]
The photosensitive material 16 discharged from the coating plate 78 is sent between the bonding roller 110 and the heating drum 106, and the image receiving material 90 is sent between the heating drum 106 and the photosensitive material 16. According to the running of the endless pressure contact belt 108, the rotation of the heating drum 106 following it (the direction of the arrow A), and the rotation of the bonding roller 112, the photosensitive material 16 is set to the outside and the image receiving material 90 is set to the inside, and both are set. The heating drum 106 is sequentially superimposed and wound around the outer periphery of the heating drum 106. That is, the photosensitive material 16 and the image receiving material 90 are conveyed while being sandwiched between the heating drum 106 and the endless pressure contact belt 108, and the photosensitive material 16 and the image receiving material 90 are brought into close contact with each other and the image receiving material 90 is heated. The drum 106 is in close contact with the outer periphery. In a state where all the portions of the photosensitive material 16 and the image receiving material 90 are wound around the heating drum 106, the photosensitive material 16 and the image receiving material 90 are spread over the extended area of the endless pressure contact belt 108 (over substantially half the circumference of the heating drum). T) located. In this state, the heating drum 106 stops, and in the stopped state, the photosensitive material 16 and the image receiving material 90 are heated. Thereby, the movable dye of the photosensitive material 16 is released, and at the same time, the dye is transferred to the dye fixing layer of the image receiving material 90, and an image is obtained on the image receiving material 90. That is, thermal development transfer is performed.
[0046]
When the photosensitive material 16 and the image receiving material 90 are fed between the laminating roller 110 and the heating drum 106, the image receiving material 90 is moved between the heating drum 106 and the photosensitive material 16 at a timing where the photosensitive material 16 is advanced by a predetermined length. Sent in. As described above, the width of the image receiving material 90 and the length in the longitudinal direction thereof are smaller than those of the photosensitive material 16, and the photosensitive material 16 and the image receiving material 90 are superposed around the photosensitive material 16. The portion is in a state of protruding from the peripheral portion of the image receiving material 90 on all four sides. The protruding peripheral portion of the photosensitive material 16 is in close contact with the outer periphery of the heating drum 106.
[0047]
Note that the conveying speed of the photosensitive material 16 and the image receiving material 90 by the squeeze roller 84 and the conveying roller 100 is slightly (for example, about 2%) slower than the conveying speed of the photosensitive material 16 and the image receiving material 90 by the bonding roller 110. It is set as follows. Thus, the back tension acts on the photosensitive material 16 and the image receiving material 90 when the photosensitive material 16 and the image receiving material 90 are sent to the laminating roller 110.
[0048]
A guide roller 124 is provided on the heating drum rotation direction side of the endless pressure contact belt 108, and the guide roller 124 is pressed against the outer periphery of the heating drum 106 and is driven to rotate. The photosensitive material 16 and the image receiving material 90 are nipped and conveyed between the heating drum 106 and the guide roller 124 with the rotation of the heating drum 106 after the heat development transfer.
[0049]
The guide roller 124 can be a rubber roller made of silicon rubber. A photosensitive material peeling claw 126 is provided on the guide roller 124 on the heating drum rotation direction side. The light-sensitive material peeling claw 126 has a claw shaft 128 parallel to the axial direction of the heating drum 106, and rotates around the axis of the claw shaft 128 so as to be able to freely contact and separate from the outer periphery of the heating drum 106.
[0050]
Before the preceding leading end of the photosensitive material 16 that moves with the rotation of the heating drum 106 reaches a position corresponding to the photosensitive material peeling claw 126, the photosensitive material peeling claw 126 contacts the outer periphery of the heating drum 106, and The peeling claw 126 is engaged with the preceding leading end of the photosensitive material 16, and the preceding portion is peeled from the heating drum 106. Before the image receiving material 90 reaches the photosensitive material peeling claw 126, the photosensitive material peeling claw 126 is separated from the outer periphery of the heating drum 106. The photosensitive material 16 is peeled from the image receiving material 90, and the image receiving material 90 moving with the rotation of the heating drum 106 can pass between the photosensitive material peeling claw 126 and the outer periphery of the heating drum 106.
[0051]
When the photosensitive material peeling claw 126 separates from the outer periphery of the heating drum 106, the photosensitive material 16 is sandwiched between the guide roller 124 and the pinch roller 136, and the photosensitive material 16 is bent around the guide roller 124 to form an image receiving material. The sheet is transported so as to positively separate from the sheet 90.
[0052]
Following the guide roller 124 and the pinch roller 136, a guide plate 142, a photosensitive material discharge roller 144, a backup roller 146, and a guide roller 148 are arranged. The photosensitive material discharge roller 144 is a pair of so-called corrugation rollers that mesh with each other, and the backup roller 146 is in contact with one photosensitive material discharge roller 144. The photosensitive material discharge roller 144 is driven to rotate, and the peeled photosensitive material 16 is accumulated in the waste photosensitive material storage box 150.
[0053]
Note that the rotational peripheral speed of the photosensitive material discharge roller 144 is set to be 1 to 3% faster than the rotational peripheral speed of the heating drum 106, whereby the photosensitive material 16 is loosened and adhered to the guide plate 142. Is prevented.
[0054]
A peeling roller 152 and a receiving material peeling claw 154 are sequentially arranged on the heating drum rotation direction side of the photosensitive material peeling claw 126. The peeling roller 152 is pressed against the outer periphery of the heating drum 106 and is driven to rotate. A comb-shaped roller 151 is provided between the photosensitive material peeling claw 126 and the peeling roller 152 so as to face the outer periphery of the heating drum 106.
[0055]
The peeling roller 152 is a rubber roller made of silicon rubber.
The receiving material peeling claw 154 includes a claw shaft 156 parallel to the axis of the heating drum 106, and is rotatable around the axis of the claw shaft 156 so as to be able to contact and separate from the outer periphery of the heating drum 106. Before the image receiving material 90 that moves according to the rotation of the heating drum 106 reaches the position corresponding to the receiving material peeling claw 154, the receiving material peeling claw 154 contacts the outer periphery of the heating drum 106, and the receiving material peeling claw 154 is moved. The image receiving material 90 is separated from the heating drum 106 by engaging with the leading end of the image receiving material 90. The image receiving material 90 is conveyed while being bent around the peeling roller 152.
[0056]
After the peeling roller 152 and the peeling claw 154, guide plates 164 and 166, receiving material discharge rollers 167, 168 and 170, and guide rollers 172 and 174 are arranged. The image receiving material 90 peeled from the outer periphery is guided and conveyed. The receiving material discharge rollers 167, 168, and 170 are driven to rotate, and the image receiving material 90 peeled from the outer periphery of the heating drum 106 is discharged to the tray 176.
[0057]
The winding roller 112, the laminating roller 110, the photosensitive material discharging roller 144, the guide roller 124, the peeling roller 152, the squeeze roller 84, and the receiving material discharging rollers 167, 168, and 170 share a common drum motor (not shown). ).
[0058]
The timing at which the photosensitive material peeling claw 126 contacts and separates from the outer periphery of the heating drum 106 and the timing at which the receiving material peeling claw 154 contacts and separates from the outer periphery of the heating drum 106 are determined by, for example, This is made possible by a cam mechanism using a cam portion 114 provided to rotate integrally.
[0059]
Here, the image forming solvent coating apparatus including the water coating section 76 will be described in detail.
As shown in FIG. 3, a rail 200 is provided below the application dish (dish member) 78. The rail 200 extends along the width direction of the photosensitive material 16 from the accommodating portion 202 accommodating the coating plate 78 toward the front side of the machine base 12, and is formed in a concave shape when viewed from the longitudinal direction. A pair of rails 200 are provided apart from each other, and a pair of guide projections 204 are provided on the lower surface of the bottom of the application plate 78 corresponding to each rail. The guide projection 204 fits into the recess of the rail 200 and is guided so as to slide along the longitudinal direction of the rail 200, whereby the application plate 78 can be detachably attached to the accommodation portion 202. By opening the front door 206 (shown in FIG. 8) on the front side of the machine base 12, the coating plate 78 can be removed and mounted. The application tray 78 is provided with a grip 79 on the detaching side for attaching and detaching operations.
[0060]
The top surface of the bottom of the coating plate 78 is formed in an arc shape having a low center when viewed along the photosensitive material transport direction (the direction of arrow C), and the bottom top surface of the coating plate 78 formed in the arc shape is shown in FIG. As shown in FIG. 4, a plurality of rows of ribs 77 are formed. The rib 77 is inclined with respect to the transport direction of the photosensitive material 16. Thereby, the frictional resistance when the photosensitive material 16 passes is reduced, and it is possible to prevent a predetermined position of the photosensitive material 16 from being damaged.
[0061]
The guide plate 80 is attached to a pair of support plates 208 and 210 facing each other in the width direction of the photosensitive material 16 so as to be sandwiched therebetween, and the guide plate 80 and the support plates 208 and 210 constitute a guide member. The lower edges of the support plates 208 and 210 and the bottom surface of the guide plate 80 are formed in an arc shape corresponding to the bottom upper surface of the coating plate 78.
[0062]
As shown in FIG. 6, the central portion of the guide plate 80 in the photosensitive material transport direction is thickened, and two parallel hollow passages extending between the support plates 208 and 210 are provided in the thickened thickness. 212 is formed. A pair of openings 214 and 216 are opened in the support plate 210 on the front side of the machine base 12 corresponding to each one end of the two hollow paths 212. A recess 214 is formed in the support plate 208 on the back side of the machine base 12 so as to correspond to each other end of the hollow path 212.
[0063]
In a state where the guide plate 80 is attached so as to be sandwiched between the support plates 208 and 210, the guide plate is attached to the arc-shaped convex portions 218 formed on the support plates 208 and 210 via the long seal member 220. The lower end of the hollow passage is placed on one end of the hollow passage 212 (see FIG. 7). An elongated ring-shaped seal member 224 is interposed between the first and second concave portions 214. One end of each of the two hollow passages 212 communicates with each of the mouths 214 and 216, and each of the other ends thereof communicates with each other in the recess 214. The U-shape extends from one mouth 214 to the other mouth 216. Is formed. An L-shaped socket 226 is fitted into one of the mouth portions 214, the socket 226 is opened upward, and the other mouth portion 216 is opened in the same direction, so that it can communicate with the inside of the application plate 78.
[0064]
Roller shafts 228 of the supply rollers 82 pass through ends of the support plates 208 and 210 on the upstream side in the photosensitive material transport direction. The roller shaft 228 is supported on the machine base 12 side. Thus, the guide member is rotatable around the roller shaft 228, and the guide plate 80 is moved close to and away from the upper surface of the bottom of the application plate 78. The squeeze roller 84 is supported around the upstream ends of the support plates 208 and 210 in the photosensitive material transport direction, and is axially supported.
[0065]
When the guide plate 80 is in proximity to the coating plate 78, a gap through which the photosensitive material 16 passes is formed between the guide plate 80 and the coating plate 78.
[0066]
In a state where the guide plate 80 rotated in the direction of the arrow E (see FIG. 4) from the close state to the coating plate 78, the entire guide member including the guide plate 80 is separated from the coating plate 78, and the coating plate 78 is separated. Can be attached and detached.
[0067]
As shown in FIG. 2, a water supply pump (supply pump) 230 and a water filter (filter) 232 are provided above the water application unit 76, and a bottle 234 is provided below the water application unit 76. . The bottle 234 is used for water supply (for providing an image forming solvent), the inlet 236 of the water supply pump 230 is connected to the inside of the bottle 234, the outlet 238 of the water supply pump 230 is connected to the filter 232, and the filter 232 and the guide member are connected. The socket 226 is connected. The water in bottle 234 is pumped out by water supply pump 230. The sent water is purified through the water filter 232, and the purified water passes through the hollow path 212 of the guide plate 80 in a U-shape.Mouth 216From the application tray 78. In FIG. 2, the water system is indicated by a dotted line for both the water supply system and the drainage system. In each of the drawings, the direction in which water flows is indicated by an arrow D.
[0068]
As shown in FIGS. 2 and 4, one end of a second drainage port (second drainage port) 238 is provided in a roller groove 236 into which the lower roller of the squeeze roller 84 enters. Is formed, and one end of a first drainage port (first drainage port) 242 is connected to an overflow groove 240 around the application tray 78.
[0069]
The other ends of the two drain ports 238 and 242 are disposed apart from each other along the photosensitive material transport direction, and are opened toward the mounting direction of the coating plate 78 (the back side of the machine base 12 and the side opposite to the arrow B). I have. A receiving case (receiving member) 244 is provided on the housing portion 202 side corresponding to both the drain ports 238 and 242. The receiving case 244 has a rectangular box shape elongated in the photosensitive material transport direction, and has a first receiving port 248 corresponding to the first drain port 242 and a second receiving port corresponding to the second drain port 238. A mouth 246. The two receiving ports 246 and 248 are opened while the two drain ports 238 and 242 protrude toward the removing direction of the application tray 78.
[0070]
When the application tray 78 moves from the removal position to the mounting position in the direction opposite to the arrow B, the first drain port 242 and the second drain port 238 are moved into the first port 248 and the second port 246. Each is inserted and connected. When the application plate 78 moves from the mounting position to the removal position in the direction of arrow B, the first drain port 242 and the second drain port 238 are pulled out of the first receiving port 248 and the second receiving port 246, respectively. Connection is released.
[0071]
As shown in FIG. 5, a seal member 262 is provided in the second receiving port 246, and liquid sealing with the second drain port 238 is achieved. As will be described later, since the second drain port 238 is a drain port for forced drainage, corresponding liquid tightness is necessary, but the first drain port 242 is a drain port for overflow. Because there isSecond drain 238Is not necessary, andFirst socket 248It is not necessary to provide such a sealing member inside.
[0072]
As shown in FIG. 2, two drainage paths of a first drainage path (first drainage path) 250 and a second drainage path (second drainage path) 252 are provided in the receiving case 244. Is formed, and one end of the first drainage path 250 isFirst socket 248And the other end of the second drain passage 252Second socket 246The two drain passages 250 and 252 are joined at the other end, and a junction 254 is formed there. The junction 254 is opened downward, and is located immediately above the bottle opening 256 of the bottle 234. An electromagnetic valve (valve) 258 is provided in the middle of the second drain passage 252. For example, when the electromagnetic valve 258 is turned on, the second drain passage 252 is opened, and when the electromagnetic valve 258 is turned off, the second drain passage 252 is opened. Drain passage 252 is shielded.
[0073]
With respect to the water supplied into the application dish 78, the excess water overflows into the overflow groove 240, and the filling amount of water in the application dish 78 is kept constant. The overflowed water returns from the first drain port 242 to the bottle 234 via the first drain path 250. In addition, when forcible drainage is performed for maintenance and inspection of the coating tray 78, the electromagnetic valve 258 is opened, and water in the coating tray 78 flows from the second drain port 238 to the second drain path 252. Return to bottle 234.
[0074]
As shown in FIGS. 2 and 3, a heater 260 such as a ceramic heater is mounted on the upper surface of the thickened portion of the guide plate 80. A pair of heaters 260 are provided so as to face each other while being spaced apart in the width direction of the photosensitive material, and a temperature detection sensor 262 is attached between the heaters 260. The heater 260 can heat the guide plate 80 to heat the water passing through the hollow path 212 and also heat the water in the application dish 78. The temperature detection sensor 262 detects the temperature of a portion near the hollow path 212 of the guide plate 80. The heater 260 is controlled based on the temperature detected by the temperature detection sensor 262, and can control the temperature of the water in the application dish 78 (for example, 40 ° ± 2 ° C.).
[0075]
According to the above configuration, when the application tray 78 is mounted on the storage section 202, the two drain ports 238 and 242 are connected to the two receiving ports 246 and 248 of the receiving case 244, respectively. The coating tray 78 is filled with water, but in order to keep the filling amount constant, excess water is overflowed, passes through the first drain port 242, and enters the bottle 234 via the receiving case 244. In the case of maintenance and inspection described below, the water in the application tray 78 passes through the second drain port 238 and is forcibly sent to the bottle 234 via the receiving case 244.
[0076]
In the case of maintenance and inspection of the coating plate 78, the coating plate 78 is removed from the housing 202. Along with this, both drain ports 238, 242 are separated from both receiving ports 246, 248 of receiving case 244.
[0077]
Therefore, every time the application plate 78 is attached or detached, it is not necessary to perform operations such as extraction and fitting of the tube to both drain ports, and attachment and detachment of the application plate 78 are facilitated. Further, it is not necessary to visually check the connection between the two drain ports 238, 242 and the receiving ports 246, 248, and the connection is sufficient on the insertion direction side of the coating plate 78, and is located on the same side as the two drain ports 238, 242. The pipe is simplified, for example, because the pipe 234 is in close proximity to the bottle 234 and the length of the pipe can be shortened.
[0078]
In addition, in the receiving case 244, the drainage overflowing is sent from the junction 254 to the bottle 234 via the first drainage channel 250. The forced drainage is performed through the second drainage channel 252 by opening the electromagnetic valve 258,Junction 254From the bottle 234. Thereby, the piping is omitted, and the maintenance and inspection work of the piping is further facilitated.
[0079]
Further, by bringing the bottle mouth 256 of the bottle 234 close to the merging port 252, no separate piping is required between both the drain outlets 238, 242 and the bottle 234, and the maintenance and inspection work of the piping is unnecessary as long as it is provided. It becomes.
[0080]
Further, the guide member composed of the guide plate 80 and the support plates 208 and 210 remains on the side of the accommodating portion 202 together with the squeeze roller 84, and is separated from the application plate 78 when the application plate 78 is attached or detached. Since the squeeze roller 84 does not follow the operation of attaching and detaching the application tray 78, maintenance and inspection of the application tray 78 are facilitated.
[0081]
【The invention's effect】
As described above, in the image forming solvent application apparatus according to the first to third aspects of the present invention, the plate member can be easily attached and detached, the piping can be simplified, and the maintenance and inspection work of the piping can be reduced. .
[0082]
In the image forming solvent coating apparatus according to the fourth aspect of the present invention, in addition to the above, the maintenance and inspection work of the plate member can be facilitated.
[Brief description of the drawings]
FIG. 1 is a schematic configuration diagram showing an image recording apparatus to which an embodiment of an image forming solvent application apparatus of the present invention is applied.
FIG. 2 is a diagram showing a water supply system and a drainage system of the image forming solvent coating apparatus of the present embodiment.
FIG. 3 is a perspective view illustrating an image forming solvent coating apparatus according to the present exemplary embodiment.
FIG. 4 is a view corresponding to FIG. 3, showing the operation of attaching and detaching the plate member.
FIG. 5 is a view showing a connection relationship between a plate member and a receiving member, viewed along a mounting / removing direction of the plate member.
FIG. 6 is an exploded perspective view showing a guide member.
FIG. 7 is a view of the guide member viewed from the axial direction of the squeeze roller.
FIG. 8 is a perspective view illustrating an appearance of the image recording apparatus.
[Explanation of symbols]
16 Photosensitive materials (image recording materials)
78 Coating dish (dish member)
80 Guide plate (guide member)
84 squeeze roller
90 Image receiving material (image recording material)
202 accommodation
234 bottles
238 Second drain port (second drain port)
242 First drain port (first drain port)
244 Receiving case (receiving member)
246 First socket
248 Second socket
250 First drainage path
252 Second drainage path
254 junction
256 bottle mouth
258 Electromagnetic valve (valve)
208, 210 Support plate (guide member)

Claims (5)

Image formation in which the image forming solvent supplied from the bottle containing the image forming solvent is filled in the dish member, the image recording material passes through the dish member, and the image forming solvent is applied to the image recording material. In the solvent application device for
An accommodating portion in which the dish member is accommodated,
Attaching / detaching means for attaching / detaching the dish member to / from the accommodation portion,
Two drain ports provided on the plate member, the first drain port for overflow and the second drain port for forced drainage;
A receiving member that has two receiving ports connected to the two drain ports when the dish member is mounted on the storage unit side, and sends an image forming solvent drained from the two drain ports to the bottle ;
A solvent application device for image formation, comprising: The receiving member,
The two receptacles, which are a first receptacle corresponding to the first drain port and a second receptacle corresponding to the second drain port, and one end is a first receptacle. A first drainage path connected thereto, a second drainage path having one end connected to the second receiving port and intervening a valve in the middle, the first drainage path, and a second drainage A merging port that merges the path with the other end and communicates with the bottle;
The image forming solvent coating apparatus according to claim 1, further comprising: 3. The image forming solvent coating apparatus according to claim 2, wherein a bottle mouth of the bottle is close to the merging port. A guide member that is provided to face the dish member on the housing portion side, the facing interval is a passage of the image recording material, guides the image recording material, and when the dish member is removed, a guide member remaining on the housing portion side,
A squeeze roller provided on the guide member, for nipping and conveying the image recording material coated with the image forming solvent outside the dish member,
The image forming solvent coating apparatus according to claim 1, further comprising: The two drain ports of the dish member provided in the storage section are connected to the two drain ports of the storage section. A rail that guides the dish member toward the storage portion so as to be inserted and connected to the receiving port of
  A guide projection provided on the plate member and removably fitted to the rail;
The image forming solvent coating apparatus according to claim 1, further comprising:

Images