JP2002211834A - Processing device of recording material and image recording device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress production of burr and falling off material pieces during cutting of a recording material. SOLUTION: This processing device 1 for cutting the recording material 5 having a recording layer 5b on one side and a base layer 5a on the other side, is provided with a cutter unit 4 composed of a fixed blade 2 and a movable blade 3. The fixed blade 2 is applied to the base layer side of the recording material 5 and the movable blade 3 is applied to the recording layer side of the recording material 5. The recording material 5 is cut between the movable blade 3 and the fixed blade 2. In this image recording device 30 provided with the processing device 1 of the recording material, an image receiving sheet 10 provided with an ink image receiving layer on one side of a supporting body is cut and fed to a drum 30, the image receiving sheet 10 is held with a surface having the ink image receiving layer at a front surface side thereof, a donner sheet 11 is superposed on the image receiving sheet 10 so that the surface having an ink layer of the donner sheet 11 is opposite to the surface having the ink image receiving layer of the image receiving sheet 10, beam is irradiated to the donner sheet 11 on the drum 30, and ink from a donner sheet 11 is transferred to the image receiving sheet 10 to record an image.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording material processing apparatus for producing a color proof by a fusion type thermal transfer system. More specifically, with a cutter unit composed of a fixed blade and a movable blade from the original roll to a predetermined shipping size, the generation of irregular burrs on the cut surface during cutting is suppressed, and stable production quality is provided. The present invention relates to an improved recording material processing apparatus capable of performing color proofing and an image recording apparatus for producing a color proof.

[0002]

2. Description of the Related Art In a processing apparatus for cutting and winding a recording material into a predetermined shipping size, or an image recording apparatus for recording an image by cutting a roll-shaped recording material into a predetermined sheet length by the processing apparatus, There is a type in which a recording material is cut by a combination of a movable blade and a fixed blade, each of which has a cylindrical shape or a disk shape that is rotatably installed at both ends thereof and that can be repeatedly operated.

[0003]

When a recording material is cut by such a cutter unit including a fixed blade and a movable blade, burrs are generated, and a material piece generated by the burrs generated at the time of cutting is dropped. However, the dropped pieces of material (0.1 mm or more) contaminate the detection unit and the transport mechanism of the processing apparatus and the image recording apparatus, causing a transport failure, and further, the pieces of material that have fallen off the cut surface adhere to the material surface. By doing so, it is caught during winding and causes a failure in the next process, and when exposed by an image recording device, it acts as a contamination inside the machine and a foreign matter that blocks exposure light, causing pinhole-shaped image defects, resulting in exposure quality May be reduced.

The present invention has been made in view of the above circumstances, and provides a recording material processing apparatus and an image recording apparatus capable of suppressing generation of burrs and pieces of dropped material generated when cutting the recording material. It is an object.

[0005]

Means for Solving the Problems In order to solve the above problems and achieve the object, the present invention has the following constitution.

According to a first aspect of the present invention, there is provided a recording material processing apparatus for cutting a recording material having a recording layer on one side and a base layer on the other side, comprising a cutter unit comprising a fixed blade and a movable blade, The fixed blade is applied to the base layer side of the recording material, the movable blade is applied to the recording layer side of the recording material, and the recording material is cut between the movable blade and the fixed blade. Processing equipment for recording materials. ].

According to the first aspect of the present invention, the fixed blade is applied to the base layer side of the recording material, and the movable blade is applied to the recording layer side of the recording material to cut, so that the cut end is clean. Burrs are generated on the recording layer side which is cut and is hard to cut as compared with the base layer, so that the material pieces are prevented from dropping, and failures and troubles in the next step can be prevented.

According to a second aspect of the present invention, the movable blade has a taper on a side of the cutting edge not in contact with the fixed blade, and the cutting edge angle is 5 ° to 80 °. 1
2. The recording material processing apparatus according to claim 1. ].

According to the second aspect of the present invention, the movable blade has an edge angle of 5 ° to 80 °, has good sharpness, and has a long life and improved durability.

According to a third aspect of the present invention, there is provided the recording material according to the first or second aspect, wherein the movable blade has a two-stage taper on a side of the blade edge not in contact with the fixed blade. Processing equipment. ].

According to the third aspect of the present invention, the movable blade has a plurality of tapers at the cutting edge, and the sharpness is improved by setting the first cutting edge angle, and the cutting edge angle is further increased. The recording material to be cut moves in the direction in which it floats, but it can be prevented from moving by pressing the second cutting edge angle, and the close contact with the fixed blade is improved and the cut end is clean. Become.

According to a fourth aspect of the present invention, there is provided a method as set forth in any one of the first to third aspects, wherein the movable blade is curved so that a blade edge is directed to a fixed blade side. Processing equipment for recording materials. ].

According to the fourth aspect of the present invention, the movable blade is curved so that the blade edge is directed to the fixed blade side, and suppresses movement of the recording material to be cut in the floating direction at the time of cutting. This improves the close contact with the fixed blade and cleans the cut end.

According to a fifth aspect of the present invention, there is provided a method according to the first aspect, wherein the cutting depth of the movable blade is set to a range of the thickness of the recording material × 1.5 μm with respect to the thickness of the recording material of 75 μm. An apparatus for processing a recording material according to any one of claims 1 to 4. ].

According to the fifth aspect of the present invention, the cutting depth of the movable blade is set to a value of 75 μm for the thickness of the recording material.
When the thickness is within the range of the thickness of the recording material × 1.5 μm, the sharpness is good, the life is long, and the durability is improved.

The invention according to claim 6 is characterized in that the overlapping amount of the fixed blade and the movable blade at the time of cutting is in a range of 1.0 to 10 times the thickness of the recording material. The recording material processing apparatus according to any one of claims 1 to 4, wherein the recording material is processed. ].

According to the sixth aspect of the present invention, the amount of overlap between the fixed blade and the movable blade at the time of cutting is in the range of 1.0 to 10 times the thickness of the recording material, and the sharpness is good. ,
Moreover, the life is long and the durability is improved.

According to a seventh aspect of the present invention, there is provided an image forming apparatus comprising the steps of: "cutting an image receiving sheet provided on one surface side of a support and feeding it to a drum; After holding the donor sheet, the donor sheet is overlaid so that the surface having the ink layer and the surface of the image receiving sheet having the image receiving layer face each other, and the donor sheet on the drum is irradiated with a beam. An image recording apparatus for recording an image by transferring ink from the donor sheet to the image receiving sheet, comprising the recording material processing apparatus according to claim 1. ].

According to the seventh aspect of the invention, the processing apparatus suppresses the generation of burrs and pieces of dropped material generated when the recording material is cut, and when the exposure is performed in the next step, the burrs and pieces of dropped material are contaminated in the machine. And preventing the exposure light from acting as a foreign matter, eliminating pinhole-shaped image defects, and improving the exposure quality.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a recording material processing apparatus and an image recording apparatus according to the present invention will be described below with reference to the drawings, but the present invention is not limited to these embodiments.

FIG. 1 is a block diagram of a recording material processing apparatus, and FIG.
FIG. 3 is a diagram showing a layer structure of a recording material.

A recording material processing apparatus 1 according to this embodiment.
Is provided with a cutter unit 4 composed of a fixed blade 2 and a movable blade 3, and cuts the recording material 5. As shown in FIG. 2, the recording material 5 has a recording layer 5b laminated on a base layer 5a, and has the recording layer 5b on one side and the base layer 5a on the other.

The fixed blade 2 is applied to the base layer 5a side of the recording material 5, the movable blade 3 is applied to the recording layer 5b side of the recording material 5, the movable blade 3 is moved, and the movable blade 3 and the fixed blade 2 are connected. The recording material 5 is cut in between.

By cutting the recording material 5 between the movable blade 3 and the fixed blade 2 in this manner, the cut end is cut cleanly, and the recording layer 5b is softer and harder to cut than the base layer 5a. Burrs are generated and the material pieces are prevented from dropping, and failures and troubles in the next process can be prevented.

The movable blade 3 is formed in a disk shape, has a taper 3a on the side of the blade not in contact with the fixed blade 2, and has a blade angle θ1 of 5 ° to 80 °. Edge angle θ of movable blade 3
In No. 1, the sharpness is good when the size is small, but the life is short, and when the size is large, the sharpness is poor.

FIG. 3 is a configuration diagram of another embodiment of a recording material processing apparatus. The movable blade 3 of this embodiment has two-stage tapered portions 3b and 3c on the side of the blade edge not in contact with the fixed blade 2. The movable blade 3 sets the first-stage blade edge angle θ2 (3
0 ° to 40 °), the sharpness is improved, but the movable blade 3
Rises, the recording material 5 to be cut at the time of cutting moves in a floating direction. For this reason, the adhesion to the fixed blade 2 is weakened, and the cut end of the recording material 5 is not clean. The movable blade 3 is prevented from moving, and the movable blade 3 is in good contact with the fixed blade 2 so that the cut end is clean.

FIG. 4 is a configuration diagram of another embodiment of a recording material processing apparatus. The movable blade 3 of this embodiment has two-stage tapers 3d and 3e on the side of the blade edge not in contact with the fixed blade 2, and is curved so that the blade edge faces the fixed blade side. For this reason, the close contact between the cutting edge of the movable blade 3 and the fixed blade 2 is improved, and the cut end becomes clean.

In the above-described embodiment, the depth of cut of the movable blade 3 is set so that the recording material 5 has a thickness of 75 μm.
By setting the thickness to the range of 1.5 μm, the sharpness is good, the life is long, and the durability is improved.

As shown in FIG. 5, the overlap amount L1 between the fixed blade 2 and the movable blade 3 at the time of cutting is determined by the recording material 5
Is in the range of 1.0 to 10 times the thickness of
Moreover, the life is long and the durability is improved.

Next, an embodiment of an image recording apparatus provided with the processing device 1 is shown in FIGS. FIG. 6 is a schematic configuration diagram of the image recording apparatus.

The image recording device 30 is provided with a cutter unit 4 that constitutes the processing device 1, cuts a recording material 5 of a material roll into a predetermined length, and feeds the recording material 5 to a platen 32. The platen 32 winds the recording material 5 around the exposure drum 33. A high-precision image is recorded on the recording material 5 with the exposure head 34 while being wound around the exposure drum 33.

The processing device 1 provided in the image recording device 30 is configured as shown in FIGS.
7 is a perspective view of the processing apparatus as viewed from the movable blade side, and FIG. 8 is a perspective view of the processing apparatus as viewed from the fixed blade side.

In the cutter unit 4 of the processing apparatus 1, a pair of pulleys 111 and 112 are provided on a support 110, and a movable blade 3 is provided on a timing belt 113 stretched over the pair of pulleys 111 and 112. . Movable blade 3
Moves reciprocally along the fixed blade 2 by forward and reverse rotation of the pulleys 111 and 112, and cuts the recording material 5.

The recording material 5 is, for example, an image receiving sheet and a donor sheet. In the image recording apparatus 30, after the ink receiving layer cuts the image receiving sheet provided on one surface side of the support and supplies it to the drum, after holding the image receiving sheet such that the surface having the ink image receiving layer is on the front surface side The donor sheet is overlaid so that the surface having the ink layer and the surface having the image receiving layer of the image receiving sheet face each other, and the donor sheet on the drum is irradiated with a beam, and the ink from the donor sheet is transferred to the image receiving sheet. And record the image.

The processing device 1 cuts the recording material of the image receiving sheet or the donor sheet, suppresses the generation of burrs and pieces of dropped material generated at the time of cutting, and when the bottom exposure is performed in the next step, the burrs and pieces of dropped material are in the machine. It prevents contamination and acts as a foreign substance that blocks exposure light, eliminates pinhole-shaped image defects, and improves exposure quality.

Next, the image receiving sheet 10 and the donor sheet 1
1 will be described in detail.

As shown in FIG. 9, for example, the image receiving sheet 10 is formed by laminating a back coat layer 10b on one side of a support 10a and laminating a cushion layer 10c and an image receiving layer 10d on the other side.

The donor sheet 11 is, for example, as shown in FIG.
As shown in FIG. 5, a back coat layer 11b is laminated on one side of a support 11a, and a cushion layer 11c, a light-to-heat conversion layer 11d, and an ink layer 11e are laminated on the other side. Dyes and pigments are added as colorants to the ink layer 11e. In particular, when used for color proofing, pigments and dyes having the same color as the ordinary colors required there, that is, yellow, magenta, cyan, and black, are required, but other metal powders, white pigments, fluorescent pigments, etc. Is also used.

The support for the donor sheet may be any as long as it has good dimensional stability and can withstand heat during image formation. Specifically, JP-A-63-193886, page 2, lower left column, 12 to 18 The films or sheets described in the rows can be used. When an image is formed by irradiating a laser beam from the donor sheet side, the support of the donor sheet is preferably transparent.

The preferred thickness of the donor sheet support is
50 to 200 μm is preferred.

Next, the image receiving sheet will be described. The image receiving sheet receives the ink layer peeled imagewise from the donor sheet to form an image. Usually, the image receiving sheet has a support and an image receiving layer, and may be formed of only the support. Since the image receiving sheet transfers the ink layer melted by the heat generated by the irradiation of the light beam, it is desirable that the image receiving sheet has appropriate heat resistance and excellent dimensional stability so that an image can be formed properly.

The image receiving layer formed on the surface of the support comprises a binder, various additives which are added as required, and a mat material. In some cases, it is formed only with a binder. The thickness of the image receiving layer is usually 1 to 100 μm.

As the support of the image receiving sheet, those similar to those described for the donor sheet can be used, but the thickness is preferably 50 to 200 μm. In addition, an image receiving layer, an undercoat layer, a back coat layer, an antistatic layer, and the like can be provided as necessary.

[0044]

As described above, according to the first aspect of the present invention, the fixed blade is applied to the base layer side of the recording material, and the movable blade is applied to the recording layer side of the recording material to perform cutting. The edges are cut cleanly, burrs are generated on the recording layer side which is soft and difficult to cut as compared with the base layer, and the material pieces can be prevented from dropping, thereby preventing failure or trouble in the next step.

According to the second aspect of the present invention, the movable blade has an edge angle of 5 ° to 80 °, so that the sharpness is good, the life is long, and the durability is improved.

According to the third aspect of the present invention, the movable blade has a plurality of tapered edges, and the sharpness is improved by increasing the angle of the first edge, and the cutting is further enhanced by increasing the angle of the edge. Although the recording material moves in the direction in which it floats, it can be prevented from moving by providing the second cutting edge angle, so that the close contact with the fixed blade is improved and the cut end becomes clean.

According to the fourth aspect of the present invention, the movable blade is curved so that the blade edge is directed to the fixed blade side, and suppresses movement of the recording material to be cut in cutting in a floating direction. And the cut end becomes clean.

According to the fifth aspect of the invention, the cutting depth of the movable blade is set to the range of the thickness of the recording material × 1.5 μm with respect to the thickness of the recording material of 75 μm, so that the sharpness is improved and the sharpness is improved. Long life and improved durability.

According to the sixth aspect of the present invention, the amount of overlap between the fixed blade and the movable blade at the time of cutting is in the range of 1.0 to 10 times the thickness of the recording material, the sharpness is good, and the life is long. But the durability is improved.

According to the seventh aspect of the present invention, the processing device suppresses the generation of burrs and pieces of dropped material generated when the recording material is cut, and when the bottom exposure is performed in the next step, the burrs and pieces of dropped material may be contaminated in the machine or exposed. This prevents exposure to foreign substances that block light, eliminates pinhole-shaped image defects, and improves exposure quality.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a recording material processing apparatus.

FIG. 2 is a diagram showing a layer structure of a recording material.

FIG. 3 is a configuration diagram of another embodiment of a recording material processing apparatus.

FIG. 4 is a configuration diagram of another embodiment of a recording material processing apparatus.

FIG. 5 is a configuration diagram of another embodiment of a recording material processing apparatus.

FIG. 6 is a schematic configuration diagram of an image recording apparatus.

FIG. 7 is a perspective view of the processing apparatus as viewed from a movable blade side.

FIG. 8 is a perspective view of the processing apparatus as viewed from a fixed blade side.

FIG. 9 is a diagram illustrating a layer configuration of an image receiving sheet.

FIG. 10 is a diagram showing a layer configuration of a donor sheet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Processing apparatus 2 Fixed blade 3 Movable blade 5 Recording material 5a Base layer 5b Recording layer 10 Image receiving sheet 11 Donor sheet 30 Image recording device 33 Exposure drum 34 Exposure head

Claims (7)

[Claims] 1. A recording material processing apparatus for cutting a recording material having a recording layer on one side and a base layer on the other side, comprising: a cutter unit comprising a fixed blade and a movable blade; An apparatus for processing a recording material, wherein the movable blade is applied to the recording layer side of the recording material, and the recording material is cut between the movable blade and the fixed blade. 2. The recording material processing apparatus according to claim 1, wherein the movable blade has a taper on a side of the blade that is not in contact with the fixed blade, and the blade edge has an angle of 5 ° to 80 °. apparatus. 3. The recording material processing apparatus according to claim 1, wherein the movable blade has a two-stage taper on a side of the blade edge not in contact with the fixed blade. 4. The recording material processing apparatus according to claim 1, wherein the movable blade is curved so that a blade edge is directed to a fixed blade side. 5. The recording medium according to claim 1, wherein the depth of cut of the movable blade is set to a range of thickness of recording material × 1.5 μm with respect to thickness of recording material of 75 μm. The recording material processing apparatus according to claim 1. 6. An apparatus according to claim 1, wherein an amount of overlap between said fixed blade and said movable blade at the time of cutting is in a range of 1.0 to 10 times the thickness of the recording material. The recording material processing apparatus according to any one of the above items. 7. An image-receiving sheet provided with an ink-image-receiving layer on one surface of a support is cut and supplied to a drum, and then the image-receiving sheet is held such that the surface having the ink-image-receiving layer is on the front side. The donor sheet is overlapped so that the surface having the ink layer and the surface having the ink image receiving layer of the image receiving sheet face each other, and the donor sheet on the drum is irradiated with a beam, and the ink from the donor sheet is irradiated. An image recording apparatus for recording an image by transferring an image to the image receiving sheet, comprising: the apparatus for processing a recording material according to claim 1.