JP3662653B2 - Single wafer equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a technical field of a sheet-fed apparatus in which a sheet material is taken out from a sheet material container and supplied to a conveying unit in an apparatus using a sheet material such as a thermal printer, a printing apparatus, and a radiation image information reading apparatus. Belongs.
[0002]
[Prior art]
Image recording (hereinafter also referred to as thermal image recording) using a thermal recording film (hereinafter referred to as a thermal film) formed by forming a thermal recording layer using a film as a support is used for recording an ultrasonic diagnostic image. Yes.
In addition, since such a thermal image recording has advantages such as no need for a wet development process and easy handling, in recent years, not only a small image recording such as an ultrasonic diagnosis but also an MRI. In applications where large and high-quality images are required such as diagnosis and X-ray diagnosis, use for image recording for medical diagnosis is also being studied.
[0003]
As is well known, in thermal image recording, a thermal head having a glaze in which heating recording points (recording dots) for recording an image by heating the thermal recording layer of the thermal film are arranged in one direction is used to heat the glaze. While slightly pressing the film (heat-sensitive recording layer), while moving both in a direction perpendicular to the direction of arrangement of the recording dots, each of the glaze recording dots is heated in accordance with the recorded image. The heat-sensitive recording layer is heated to record an image.
[0004]
In an image recording apparatus and an image reading apparatus that handle sheet materials, including a thermal image recording apparatus that performs such thermal image recording, a plurality of sheet materials that are normally used for recording or reading are stacked and called a magazine. Housed in the body and loaded into the device together with the magazine, or stacked and loaded at a predetermined position in the device, and when used, only one sheet, that is, one sheet is taken out, and image recording and image reading are performed. It is supplied to the internal transport means.
A sheet feeding device that takes out one sheet material from a magazine or the like and supplies it to a conveying means such as a conveying roller is generally a conveying roller that comes into contact with the sheet material and discharges with a frictional force. A device that opens and closes the lid of the magazine for each sheet of sheet material, such as when it is necessary to keep the sheet material moist like a film or when the sheet material needs to be shielded from light, In the case where the sheet material is easily damaged by the above, a single wafer apparatus using a suction cup is preferably used.
[0005]
In a single wafer device using a suction cup, the suction cup is usually fixed to a bracket, etc., the bracket is lowered, the suction cup is brought into contact with the sheet material, the sheet material is adsorbed and held by the suction cup, and then the bracket is raised. Thus, the sheet material is discharged from the magazine or the like and conveyed to the conveying means. When the sheet material is held by the conveying means, the suction by the suction cup is released and the sheet material is supplied to the conveying means.
However, in a single wafer apparatus using such a suction cup, the sheet material to be fed and the sheet material to be fed next (or later) are in close contact, and a plurality of sheet materials are taken out and supplied. In other words, so-called multiple sheets may occur, which causes jamming.
[0006]
As described above, normally, a plurality of sheet materials are loaded in the apparatus in a stacked state. However, in a single wafer apparatus using a sucker, naturally, the sucker is the lowest sheet material in a magazine or the like. It is also necessary to be able to adsorb, and the bracket is configured so that it can be lowered accordingly.
Therefore, in a state where a large number of sheet materials are stacked on a magazine or the like, the sucker presses the sheet material at the time of suction, and a plurality of sheets are brought into close contact with each other. In addition, a conveyance nip roller for supplying the taken sheet material to the conveyance means is often fixed to the bracket to which the suction cup is fixed, and the pressing of the sheet material by the nip roller is also a cause of a plurality of sheets. Become.
In addition, in order to achieve quick sheet feeding, the lowering speed of the bracket may be increased. In particular, when the lowering speed of the bracket is fast, the adhesion between the sheet materials becomes strong, and multiple sheets are separated. In many cases.
[0007]
[Problems to be solved by the invention]
An object of the present invention is to solve the problems of the prior art described above, and is a single wafer device using a suction cup, and even when the lowering speed of a bracket holding the suction cup is high, the sheet material is closely attached It is an object of the present invention to provide a single-wafer device that can suitably prevent a plurality of single-wafers caused by the above, and that can reliably and promptly supply a sheet material.
[0008]
[Means for Solving the Problems]
  In order to achieve the object, the present invention takes out one sheet material accommodated in the accommodating portion,FirstA sheet-fed device to be supplied to a conveying means,
  A second transport means disposed between the housing portion and the first transport means;
  A nip roller for nipping and conveying the sheet material together with the second conveying means;
  An adsorbing means for adsorbing and holding the sheet material accommodated in the accommodating portion and opening the sheet material sandwiched between the second conveying means and the nip roller;
  A bracket for holding the nip roller and the suction means movably up and down;
  Moving means for moving the bracket between the accommodating portion and the second conveying means;A single wafer apparatus is provided.
[0009]
  In the single wafer apparatus of the present invention,It is preferable to have an elevating means for elevating the bracket.
  Further, the suction means descends to the housing portion as the bracket is lowered at the position of the housing portion, sucks and holds the sheet material, and holds the sheet material in the state of holding the sheet material. It is preferable that the sheet material is lifted from the storage portion as it rises, and one sheet of the sheet material stored in the storage portion is taken out.
  Further, the nip roller descends as the bracket descends at a position facing the second conveying means, and sandwiches and conveys the sheet material held by the suction means together with the second conveying means. Is preferred.
  Moreover, it is preferable that a load weight for applying a load to the sheet material sandwiched between the nip roller and the second conveying unit is fixed to the nip roller.
  The bracket preferably holds one of the nip rollers and the two suction units that sandwich the nip rollers in a direction perpendicular to the sheet material conveyance direction.
  Further, the lowest position of the nip roller toward the sheet material side is set to be lower than the lowest position of the suction means toward the sheet material side,Further, when the bracket moves to the housing portion to move up and down together with the nip roller and hold the sheet material by the suction means, the housing portionLoading section where is loadedIt is preferable to have a stopper that prevents the nip roller from coming into contact with the sheet material in the accommodating portion by abutting against the abutting member disposed on the housing.
  The abutting member is a wall of a housing of a housing portion in which a sheet material is accommodated and loaded in the loading portion, and the stopper abuts on an upper end portion of the wall of the housing, thereby It is preferable to prevent the nip roller from coming into contact with the sheet material in the accommodating portion.
[0010]
Furthermore, in the single wafer apparatus according to the present invention, a weight that is movably moved up and down by the bracket at a position on the sheet material held by the suction means, and a position of the weight are detected. Thus, it is preferable to have detecting means for detecting that a plurality of sheet materials have been fed.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a single wafer apparatus according to the present invention will be described in detail based on a preferred embodiment shown in the accompanying drawings.
[0012]
FIG. 1 shows a schematic diagram of an example of a thermal image recording apparatus using the single wafer apparatus of the present invention.
A thermal image recording apparatus 1 (hereinafter referred to as a recording apparatus 1) shown in FIG. 1 records a thermal image on a thermal recording film (hereinafter referred to as a thermal film A) which is a cut sheet having a predetermined size such as B4 size. Thermal image recording is performed on the thermal film A by the loading unit 2 in which the magazine 12 containing the thermal film A is loaded, the single-wafer transport unit 3 using the single-wafer device 10 of the present invention, and the thermal head 14. The recording unit 4 and the discharge unit 5 are configured to be performed.
[0013]
The heat-sensitive film A is formed by forming a heat-sensitive recording layer on one surface of a transparent film such as a transparent polyethylene terephthalate film as a support.
Such a heat-sensitive film A is usually a laminated body (bundle) of a predetermined unit such as 100 sheets, and is packaged by a bag or a belt. In the illustrated example, the heat-sensitive recording layer remains as a bundle of predetermined units. Are stored in the magazine 12 of the recording apparatus 1 with the bottom surface taken out from the magazine 12 one by one by the sheet-fed device of the present invention and used for thermal image recording.
[0014]
The magazine 12 is a housing having a lid 16 that can be freely opened and closed. The magazine 12 is accommodated in the loading section 2 of the recording apparatus 1 as described above.
The loading unit 2 includes an insertion port 20 formed in the housing 18 of the recording apparatus 1, a guide plate 22, guide rolls 24 and 24, and a stop member 26, and the magazine 12 has the lid 16 side first. The recording apparatus 1 is inserted into the recording apparatus 1 through the insertion port 20, and is guided to the stop plate 26 while being guided by the guide plate 22 and the guide roll 24, so that the recording apparatus 1 is loaded at a predetermined position.
[0015]
  The sheet conveyance unit 3 takes out the thermal film A from the magazine 12 loaded in the loading unit 2 and conveys it to the recording unit 4. The sheet unit 28 and the book constituting the sheet apparatus 10 according to the present invention. Of the single wafer device 10 of the inventionSingle waferSingle wafer conveying roller 30 as a conveying means,It has a conveying means 32, a conveying guide 34, and a regulating roller pair 36 positioned at the exit of the conveying guide 34.
[0016]
FIG. 2 shows a schematic diagram of the single wafer portion 28.
2A is a front view as viewed from the downstream side in the transport direction, FIG. 2B is a plan view, and FIG. 2C is a sectional view taken along line cc of FIG.
[0017]
The single wafer portion 28 includes a main body bracket 38, a suction cup 40, a nip roller 42, and a detection weight 44 that are held by the main body bracket 38 so as to be movable up and down.
The main body bracket 38 extends in a direction (hereinafter referred to as a width direction) orthogonal to the transport direction of the heat-sensitive film A (the direction of arrow a in the figure), and is bent at the upper end in the direction opposite to the transport direction. The support portion 38a is a member having a substantially c-shaped cross section in which a lower support portion 38b is formed at the lower end and is formed one step higher and bent in the same direction as the upper support portion 38a. The suction cup 40, the nip roller 42, and the detection weight 44 are held by the upper support portion 38a and the lower support portion 38b.
[0018]
  The main body bracket 38 is engaged with a moving means (not shown), and as shown in FIGS. 3 and 4,The body bracket 38 isAn opening when the lid 16 of the magazine 12 is opened;Single waferTransporterStep (It moves between the sheet transport rollers 30) and moves up and down. In the single wafer apparatus 10, by this movement, the thermal film A adsorbed by the suction cup 40 is taken out from the magazine 12 and supplied to the conveying means 32 (conveying roller 46 and nip roller 48).
  For moving and lifting means of the body bracket 38,There are no particular limitations, and various known drive means such as a rack and pinion, a means using a timing belt and a pulley, a means using a cam, a means using a link mechanism, a lifting means using an air cylinder, etc., a combination of them as appropriate, etc. Is available. Further, the movement of the main body bracket 38 and the opening and closing of the lid 16 of the magazine 12 may be performed by one drive system. Furthermore, when lowering the suction cup 40 to adsorb the heat sensitive film A, the main body bracket 38 is moved at a high speed until the distance between the two reaches a certain level, and then moved at a low speed so that the heat sensitive film A adheres. It may be configured to prevent the above in a more suitable manner and to enable quick sheet feeding.
[0019]
A nip roller 42 is held at the center in the width direction of the main body bracket 38 (upper support portion 38a and lower support portion 38b).
The nip roller 42 is rotatably supported by a substantially c-shaped roller bracket 50 that opens downward. Two sliding shafts 52 are fixed to the upper surface of the roller bracket 50 so as to extend upward, and both the sliding shafts 52 are fixed to the upper support portion 38 a and the lower support portion 38 b of the main body bracket 38. The bearing 38c is pivotally supported so as to be movable up and down (sliding) and is held by the main body bracket 38 so as to be movable up and down.
[0020]
At the upper end of the sliding shafts 52, 52, when the thermal film A is supplied to the conveying means 32, a load weight 54 for making the thermal film A sandwiched between the sheet conveying roller 30 and the nip roller 42 more suitable. Is fixed. The load weight 54 also serves as a stopper that prevents the sliding shaft 52 of the nip roller 42 from falling downward and the nip roller 42 from dropping more than necessary.
Therefore, the lowermost position of the nip roller 42 defined by the load weight 54 is set lower than the lowermost position of the suction cup 40, and the load weight 54 has a weight at which the thermal film A adsorbed on the suction cup 40 does not fall. There is a need to.
[0021]
In the single wafer apparatus 10 of the present invention, since the nip roller 42 is held by the main body bracket 38 so as to be movable up and down, when the main body bracket 38 is lowered in order to adsorb the heat sensitive film A in the magazine 12 by the suction cup 40. If the nip roller 42 is placed on the thermal film A, the nip roller 42 will not be lowered any further even if the main body bracket 38 is further lowered, and the thermal film A will be pressed more than the weight of the nip roller 42 or the like. There is no.
[0022]
Further, in the illustrated single wafer apparatus 10, as a preferred mode, the member 50 a is fixed to the downstream surface of the roller bracket 50 in the transport direction, and two stoppers 56 are fixed to protrude in the transport direction.
The stopper 56 is placed on the upper end (upper end of the downstream wall) of the magazine 12 when the heat sensitive film A in the magazine 12 is sucked by the suction cup 40, and stops further lowering of the nip roller 42. is there. By having this stopper 56, the nip roller 42 is not placed on the thermal film A when it is taken out from the magazine 12, and the thermal film A is not pressed by the weight of the load weight 54, etc. This can also prevent a plurality of single wafers.
There is no particular limitation on the shape and size of the stopper 56, and it is only necessary that the lowering of the nip roller 42 can be stopped by contacting at least one member existing in the loading unit 2 when the heat-sensitive film A is adsorbed by the suction cup 40. . Alternatively, the movement of the main body bracket 38 may be controlled in consideration of this.
[0023]
Two suction cups 40, 40 are held on the main body bracket 38 of the sheet portion 28 so as to be movable up and down with a nip roller 42 sandwiched in the width direction.
The suction cup 40 adsorbs and holds the thermal film A by suction. Similar to the nip roller 42 (roller bracket 50), two sliding shafts 58 are fixed to the upper surface of the suction cup 40 so as to extend upward. A bearing 38c fixed to the support portion 38a and the lower support portion 38b is pivotally supported so as to be vertically movable, and is held by the main body bracket 38 so as to be vertically movable.
A disk 58a having a diameter larger than that of the through hole of the bearing 38c is fixed to the upper end of the sliding shaft 58. The sliding shaft 58 of the suction cup 40 falls downward, and the suction cup 40 is lowered more than necessary. To prevent that.
If necessary, a biasing member that biases the suction cup 40 downward, such as a spring arranged by inserting the slide shaft 58, is provided, and the suction of the heat sensitive film A by the suction cup 40 is easier and more reliable. It is good.
[0024]
A suction hose 40a is connected to the suction cup 40 (not shown in FIGS. 3 and 4 for the sake of clarity).
Through holes 38d, 38d... Sufficiently large with respect to the hose 40a are formed in the upper support portions 38a and the lower support portions 38b of the main body bracket 38, and the corresponding through holes 38d are connected to each other. The pipe 38e is disposed, and the hose 40a passes from the suction cup 40 through the upper part of the main body bracket 38 and is connected to the suction machine.
Therefore, the hose 40a can also move up and down following the up and down movement of the suction cup 40.
[0025]
As mentioned above, in the conventional single wafer device, the suction cup is fixed to the bracket.During adsorptionA sucker or the like presses the heat-sensitive film A and adheres to it, causing a plurality of sheets. On the other hand, in the single wafer apparatus 10 of the present invention, the suction cup 40 is held by the main body bracket 38 so as to be movable up and down, so that the main body bracket 38 is attached in order to adsorb the thermal film A in the magazine 12 with the suction cup 40. Since the suction cup 40 placed on the thermal film A does not further drop even when the main body bracket 38 is further lowered, the suction cup 40 does not press the thermal film A more than necessary. Film A is not adhered.
Therefore, the single wafer apparatus of the present invention10As described above, since the pressure of the thermal film A by the nip roller 42 is small (not shown in the drawing), the thermal film A has good separability.BodyEven when the lowering speed of the bracket 38 is high, the thermal film A can be prevented from being closely adhered, and a sheet of the thermal film A can be obtained in which a plurality of sheets are greatly reduced. A single wafer can be realized.
[0026]
As a preferred mode, the single-wafer device 10 shown in the drawing has a detection weight 44 that is held by the main body bracket 38 so as to be movable up and down, on the outer side in the width direction of the suction cup 40. The detection weight 44 is for detecting the surface of the thermal film A when adsorbing the thermal film A and detecting a plurality of single sheets, and is located on the inner side of both ends in the width direction of the thermal film A. Placed in.
Similar to the suction cup 40 and the like, a sliding shaft 60 is fixed to the upper surface of the detection weight 44 so as to extend upward. The sliding shaft 60 passes through a through hole formed in the lower support portion 38b of the main body bracket 38, and is supported by a bearing 62 disposed on the upper surface of the upper support portion 38a so as to be movable up and down. A stop member that is locked to the bearing 62 and prevents the detection weight 44 from dropping is fixed to the upper portion of the sliding shaft 60. The lowermost part of the detection weight 44 defined by the stop member is set lower than the suction cup 40.
Further, in the single wafer apparatus 10, a sensor 64 for detecting the upper end of the sliding shaft 60 on the left side in the drawings of FIGS. 2 (a) and 2 (b) is fixed.
[0027]
As described above, the detection weight 44 is disposed so as to be located inside the both ends in the width direction of the heat sensitive film A, and the lowermost part thereof is lower than the suction cup 40.
Therefore, when the main body bracket 38 is lowered to suck the heat sensitive film A by the suction cup 40, the lower end of the detection weight 44 is placed on the heat sensitive film A before the suction cup 40, and the sensor 64 is Since the upper end of the sliding shaft 60 moves, the upper surface of the thermal film A laminated in the magazine 12 can be detected by detecting this.
[0028]
Further, when the heat sensitive film A is adsorbed by the suction cup 40 and then the main body bracket 38 is moved to lift the heat sensitive film A, the detection weight 44 is placed on the heat sensitive film A.
Here, although the thermal film A is bent and slightly hung down due to its own weight and the weight of the detection weight 44, the height of the detection weight 44 placed on the thermal film A, that is, the upper end of the sliding shaft 60. The position is almost constant due to the elasticity of the surface direction of the thermal film A, that is, the strength of the waist. However, when a plurality of heat-sensitive films A are adsorbed, the heat-sensitive film A adsorbed by the suction cup 40 becomes the same as the waist, and the position of the upper end of the sliding shaft 60 is normal. It becomes higher than the case where one piece of sheet is cut.
Therefore, by detecting the position of the upper end of the sliding shaft 60 when the thermal film A is lifted by the sensor 64, a plurality of sheets can be detected.
When a plurality of sheets are generated, for example, the adsorption of the thermal film A is once released and returned to the original position in the magazine 12 so as to be slightly dropped, and the sheets are again processed. Alternatively, the recording apparatus 1 may display a jamming signal or the like.
[0029]
The method for detecting the upper end of the sliding shaft 60 by the sensor 64 is not particularly limited, and various known detection methods such as an optical method and a mechanical method can be used.
Further, instead of the detection weight 44, a plurality of sheets may be detected by urging the sliding shaft with a spring or the like. However, it is preferable to use the detection weight 44 in terms of detection stability and the like.
[0030]
  Of the single wafer apparatus 10 of the present inventionSingle waferConveying means 32 for conveying a sheet of thermal film A from the guide 34 to the regulating roller pair 36 as well as having a single sheet conveying roller 30 as a conveying means.Part withAre a single-wafer carrying roller 30, a pulley 66a coaxial with the single-wafer carrying roller 30, a carrying roller 46, a pulley 66b coaxial with the carrying roller 46, and a pulley 66 connected to a rotational drive source.cThe endless belt 67 stretched around the three pulleys and the nip roller 48 pressed against the conveying roller 46 are configured.
  In the single wafer apparatus of the present invention, the conveyance of the heat sensitive film A (sheet material) is not limited to that by a pair of nip rollers, but may be a belt conveyor and a nip roller abutted on the belt conveyor.
[0031]
Hereinafter, with reference to FIG. 3 and FIG. 4, the sheet | seat and conveyance of the thermal film A by the sheet | seat conveyance part 3 using the sheet | seat apparatus 10 of this invention are demonstrated.
When the recording apparatus 1 is instructed to start recording, the lid body 16 is opened by an unillustrated opening / closing mechanism, and the bracket 38 (the sheet 28) is lowered as shown in FIG. Is inserted into the magazine 12. As described above, the detection weight 44 is first placed on the upper surface of the thermal film A by the lowering of the bracket 38, and the upper surface is detected. As a result, the suction by the suction cup 40 is started and the bracket 38 is further lowered. The suction cup 40 is placed on the upper surface of the thermal film A and adsorbs the thermal film A.
When the bracket 38 is lowered to attract the heat-sensitive film A, the stopper 56 is placed on the wall of the magazine 12, so that the nip roller 42 is not lowered any more and is not placed on the heat-sensitive film A. It is as follows.
[0032]
A pressure gauge is installed in the suction machine to which the hose 40a is connected. When the suction force by the suction cup 40 reaches a predetermined pressure, it is determined that the suction / holding of the thermal film A by the suction cup 40 has been completed, and FIG. As shown in b), the bracket 38 rises and lifts the thermal film A.
At this time, the nip roller 42 and the detection weight 44 are placed on the thermal film A. In addition, as described above, the sensor 64 detects the upper end of the sliding shaft 60 of the detection weight 44, so that a plurality of sheets are detected. In this state, suction by the suction cup 40 is released, and the thermal film A is dropped, and then suction is performed again.
[0033]
  When the thermal film A is lifted and it is confirmed that a plurality of sheets are not cut,4As shown, the bracket 38 moves to the upper part of the sheet conveying roller 30 and descends, and the thermal film A is sandwiched between the nip roller 42 and the sheet conveying roller 30.
  When the heat-sensitive film A is sandwiched between the nip roller 42 and the sheet transport roller 30, the suction by the suction cup 40 is released, and the sheet transport roller 30 and the nip roller 42 rotated by the driving force transmitted to the endless belt 48, The heat-sensitive film A is conveyed, further supplied to the conveying roller 46 and the nip roller 48, nipped and conveyed, conveyed to the conveying guide 34, and conveyed to the regulating roller pair 36 while being guided by this. The lid 16 is closed by the opening / closing means when the thermal film A to be recorded is completely discharged from the magazine 12.
[0034]
The distance from the conveying means 32 to the regulating roller pair 36 defined by the conveying guide 34 is set slightly shorter than the length in the conveying direction of the thermal film A, and the leading edge of the thermal film A is moved by the conveying means 32. Although the control roller pair 36 is reached, the control roller pair 36 is initially stopped, and the leading edge of the thermal film A stops here.
When the leading edge of the thermal film A reaches the regulation roller pair 36, the temperature of the thermal head 14 is confirmed. If the temperature of the thermal head 14 is a predetermined temperature, the regulation film pair 36 starts to convey the thermal film A. Then, the thermal film A is conveyed to the recording unit 4.
[0035]
The recording unit 4 includes a thermal head 14, a platen roller 68, a cleaning roller pair 70, a guide 72, a cooling fan 74 that cools the thermal head 14, and a guide 76.
[0036]
The thermal head 14 performs thermal image recording with a recording (pixel) density of about 300 dpi, for example, capable of image recording up to a maximum B4 size, and has one recording dot for performing thermal recording on the thermal film A. It has a thermal head main body formed with glazes arranged in a direction (perpendicular to the paper surface in FIG. 1), and a heat sink fixed to the thermal head main body. The thermal head 14 is supported by a support member 78 that is rotatable about a fulcrum 78a in the direction of arrow b and in the reverse direction.
The platen roller 68 rotates at a predetermined image recording speed while holding the thermal film A at a predetermined position, and conveys the thermal film A in a direction perpendicular to the extending direction of the glaze.
The cleaning roller pair 70 is a roller pair composed of an adhesive rubber roller that comes into contact with the heat-sensitive recording layer (the upper surface in the recording unit 4) to remove dust and the like, and a normal roller.
[0037]
Before the thermal film A is conveyed, the support member 78 is rotated upward (in the direction opposite to the arrow b direction), and the thermal head 14 (glaze) and the platen roller 68 are not in contact with each other.
When the conveyance by the regulating roller pair 36 is started, the thermal film A is then sandwiched between the cleaning roller pair 70 to clean the thermal recording layer and further conveyed while being guided by the guide 72. When the leading edge of the thermal film A is conveyed to the recording start position (position corresponding to the glaze), the support member 78 rotates in the direction of arrow b, so that the thermal film A is moved between the glaze of the thermal head 14 and the platen roller 68. The thermal film A is conveyed by the platen roller 68 (and the regulating roller pair 36 and the conveying roller pair 80) while being held in a predetermined position by the platen roller 68. With this conveyance, the thermal image recording is performed on the thermal film A by heating the recording dots of the glaze according to the recording image.
[0038]
The thermal film A for which thermal image recording has been completed is conveyed to the platen roller 68 and the conveyance roller pair 80 while being guided by the guide 76, and is ejected to the tray 82 of the ejection unit 5. The tray 82 protrudes to the outside of the recording apparatus 1 through a discharge port 84 formed in the housing 18, and the thermal film A on which an image is recorded is discharged to the outside through the discharge port 84 and taken out.
[0039]
Although the single wafer apparatus of the present invention has been described in detail above, the present invention is not limited to the above examples, and various improvements and modifications may be made without departing from the scope of the present invention. It is.
Also, the sheet material is not limited to the heat-sensitive film shown in the figure, and various sheet materials such as silver salt photographic light-sensitive materials, electrophotographic light-sensitive materials, various originals such as pictures and photographs, storage phosphor sheets, and printing original plates. Is available.
[0040]
【The invention's effect】
As described above in detail, according to the single wafer apparatus of the present invention, even when the lowering speed of the bracket holding the suction cup is high, a plurality of single wafers due to the close contact of the sheet material is preferably prevented. Thus, a single wafer apparatus capable of stably and promptly supplying a sheet material can be realized.
[Brief description of the drawings]
FIG. 1 is a conceptual diagram of an example of a thermal image recording apparatus using a single wafer apparatus of the present invention.
2A and 2B are schematic views showing a single-wafer portion of the single-wafer device shown in FIG. 1, wherein FIG. 2A is a front view, FIG. 2B is a plan view, and FIG. Are shown respectively.
FIGS. 3A and 3B are schematic views showing the operation of the single wafer apparatus of the present invention. FIGS.
FIG. 4 is a schematic view showing the operation of the single wafer apparatus of the present invention.
[Explanation of symbols]
1 (Thermal image) recording device
2 Loading section
3 single wafer transfer section
4 Recording section
5 discharge section
10 single wafer equipment
12 Magazine
14 Thermal head
16 Lid
18 Housing
20 insertion slot
22 Information board
24 Guide roll
26 Stopping member
28 sheets
30 single wafer transfer roller
32 Conveying means
34 Transport Guide
36 Regulated Roller Pair
38 Body bracket
38c, 62 Bearing
40 sucker
42, 48 Nip rollers
46 Conveying roller
50 Nip roller bracket
52, 58, 60 Slide shaft
54 Weight for load
56 Stopper
64 sensors
66a, 66b, 66c Pulley
68 Platen roller
70 Vibration absorbing roller pair
72,76 guides
74 Cooling fan
78 Support members
80 Conveying roller pair
82 trays
84 Discharge port
A Thermal (recording) film

Claims (9)

A single-wafer device that takes out one sheet material accommodated in the accommodating portion and supplies the sheet material to the first conveying means,
A second transport means disposed between the housing portion and the first transport means;
A nip roller for nipping and conveying the sheet material together with the second conveying means;
An adsorbing means for adsorbing and holding the sheet material accommodated in the accommodating portion and opening the sheet material sandwiched between the second conveying means and the nip roller;
A bracket for holding the nip roller and the suction means movably up and down;
A single wafer apparatus comprising: a moving unit configured to move the bracket between the housing portion and the second transport unit . The single wafer apparatus according to claim 1, wherein
A single-wafer apparatus comprising elevating means for elevating and lowering the bracket. The single wafer apparatus according to claim 1 or 2,
The adsorbing means descends to the accommodating portion as the bracket is lowered at the position of the accommodating portion, adsorbs and holds the sheet material, and lifts the bracket while holding the sheet material. At the same time, the sheet material ascends from the accommodation portion and takes out one sheet of the sheet material accommodated in the accommodation portion. The single wafer apparatus according to any one of claims 1 to 3,
The nip roller descends as the bracket descends at a position facing the second conveying means, and sandwiches and conveys the sheet material held by the suction means together with the second conveying means. Single wafer device featuring. The single wafer apparatus according to any one of claims 1 to 4,
A sheet-fed apparatus, wherein a load weight for applying a load to the sheet material sandwiched between the nip roller and the second conveying unit is fixed to the nip roller. The single wafer apparatus according to any one of claims 1 to 5,
The bracket holds the one nip roller and the two suction units that sandwich the nip roller in a direction orthogonal to the sheet material conveyance direction. The single wafer apparatus according to any one of claims 1 to 6 ,
The lowest position of the nip roller on the sheet material side is set to be lower than the lowest position of the suction means on the sheet material side,
Further, when the bracket moves to the housing portion to move up and down together with the nip roller and hold the sheet material by the suction means, it abuts against a contact member disposed in the loading portion in which the housing portion is loaded. Thus , a sheet-fed apparatus having a stopper for preventing the nip roller from contacting the sheet material in the accommodating portion. The single wafer apparatus according to claim 7,
The abutting member is a wall of a housing of a storage unit in which a sheet material is stored and loaded in the loading unit,
The single-wafer device according to claim 1, wherein the stopper is in contact with an upper end portion of the wall of the housing to prevent the nip roller from contacting a sheet material in the housing portion. The single-wafer device according to any one of claims 1 to 8 , further comprising a weight that is held by the bracket so as to be movable up and down at a position on the sheet material held by the suction means, by detecting the position of the weight, sheet apparatus characterized by having a detecting means for detecting that the sheet material is a plurality sheet-fed.

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