JP2002240231A - Stamp forming apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stamp forming apparatus capable of easily and rapidly making a stamp by which stamping can be used for continuous imprinting and color printing with little breading. SOLUTION: A thermal head 13 and an inkjet printer head 12 are integrally provided on the underside of a carriage 11 opening downward and with an approximately U-shaped cross-section and a mirror image of an impression image is formed on the stamping face part of a stamping material 51 of the stamp 5 by the thermal head 13 through a carriage delivering motor 17, etc., and non-melting parts formed on the stamping face part of the stamping material 51 are coated with color stamp inks of each of colors (yellow, magenta and cyan) by means of an inkjet printer 12 to form the stamp.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stamp forming apparatus for forming a stamp by selectively heating a heating element while relatively moving a thermal head to a printing surface of a printing material formed of a porous resin. By providing the printer head integrally with the thermal head, the stamp ink of any color can be accurately applied to the non-melted portion of the stamp surface while forming the non-transmissive portion of the stamp ink by melting the stamp surface. The present invention relates to a stamp producing apparatus capable of easily and quickly producing a stamp capable of continuous stamping and capable of performing color printing with little bleeding.

[0002]

2. Description of the Related Art There have been proposed various stamp making apparatuses for forming a mirror image of a stamp image on a stamp surface of a stamp material formed of a porous resin via a thermal head. For example,
In the method for manufacturing a porous stamp body described in Japanese Patent Application Laid-Open No. 9-216447, a heat application member of a thermal printer head is relatively in contact with one surface of an open-cell foamed resin sheet material by electronic control means. Production of a porous stamp body in which a non-printed portion is formed by closing the air bubbles by heat melting to form a non-printing portion, and a portion where the heat applying member is not in contact with the one surface is a penetrating printing portion in which the open cells remain. A method is described. This makes it possible to easily form a penetrated printed portion representing characters, figures, and the like on the foamed resin sheet material, that is, to manufacture the porous stamp body in an extremely short time.

[0003]

SUMMARY OF THE INVENTION However, Japanese Patent Application Laid-Open No. Hei 9-2
When a color stamp is prepared using a porous stamp body prepared by the method for manufacturing a porous stamp body described in Japanese Patent No. 16447, an operator must apply stamp ink to a penetrating printing section by hand to make it penetrate. There is a problem that it is very complicated. Further, when stamp ink is applied to and penetrates the penetrated printing portion by a machine, there is a problem that positioning is difficult and application of stamp ink to minute characters and patterns is difficult.

Accordingly, the present invention has been made to solve the above-mentioned problem. By providing an ink jet printer head integrally with a thermal head, a non-transmissive portion of stamp ink is formed on the stamp surface by melting. In addition, a stamp ink of any color can be accurately applied to the non-fused portion of the stamp surface, and a stamp capable of continuous imprinting and capable of color printing with little bleeding can be easily and quickly created. It is an object of the present invention to provide a stamp creation device that can perform the stamp creation.

[0005]

According to a first aspect of the present invention, there is provided a stamp forming apparatus, comprising: a thermal head provided with a plurality of heating elements; and a stamp material formed of a porous resin. In a stamp forming apparatus for forming a stamp on a printing material by selectively driving the heating elements to generate heat while relatively moving in a scanning direction, the thermal head comprises an ink discharging means for discharging a stamp ink on a printing surface of the printing material. And the ink discharge means are provided integrally.

In the stamp forming apparatus according to the first aspect having such a feature, a plurality of heating elements are provided, and the heating elements are relatively moved in a predetermined sub-scanning direction with respect to a printing material formed of a porous resin. In addition, a thermal head for selectively driving the heating elements to generate heat and forming a stamp on a stamp material, and an ink ejection unit for ejecting stamp ink on a stamp surface are provided integrally. Accordingly, the positional relationship between the thermal head and the ink ejection unit is fixed, so that the stamp formed by the thermal head and the ink ejection unit can be easily positioned. In addition, the stamp ink can be applied via the ink discharge means, and the application of the stamp ink to minute characters and patterns can be easily performed.

According to a second aspect of the present invention, there is provided the stamp forming apparatus according to the first aspect, wherein the non-melting portion of the stamp surface portion is driven by an ink discharge means while the heating element is driven to generate heat. It is characterized by applying ink.

According to a second aspect of the present invention, there is provided a stamp forming apparatus as set forth in the first aspect, wherein the heat generating element is driven to generate heat while an ink discharge means is applied to a non-melted portion of the stamp surface. Since the stamp ink is applied through the stamping material, the stamp ink can be applied while forming a stamp on the stamp face of the stamp material, and a stamp that can be continuously stamped can be quickly produced.

According to a third aspect of the present invention, in the stamp forming apparatus according to the first or second aspect, the thermal head is located on a side of the sub-scanning direction with respect to the ink discharging means. It is characterized by being provided.

According to a third aspect of the present invention, the thermal head is provided in the sub-scanning direction with respect to the ink discharge means. Since the stamp ink is provided on the moving direction side, the stamp ink can be accurately applied to the non-melted portion while forming the stamp ink non-transmitting portion on the stamp surface of the stamp material by melting.

According to a fourth aspect of the present invention, in the stamp forming apparatus according to any one of the first to third aspects, the ink discharging means discharges a plurality of colors of stamp ink. Discharging means, wherein the multi-color discharging means has a plurality of discharge ports provided corresponding to each color of the stamp ink, and the discharge ports have one discharge port on the axis in the sub-scanning direction of each heating element. An outlet is provided correspondingly, and the heating element is arranged in the main scanning direction for each of the plurality of colors.

According to a fourth aspect of the present invention, there is provided the stamp forming apparatus as set forth in any one of the first to third aspects, wherein the ink discharge means is configured to print a plurality of colors of stamp ink. It is composed of a plurality of discharge ports provided for each color, and one discharge port is provided for each of the discharge ports on the axis of the heating element in the sub-scanning direction. In addition, the discharge ports are arranged in the main scanning direction of the heating element for each of the plurality of colors. Accordingly, since each ejection port of the ink ejection unit is provided corresponding to one ejection port on the axis of each heating element in the sub-scanning direction, each ejection port can be easily formed. Further, since the discharge ports are arranged in the main scanning direction of the heating element for each of the plurality of colors, discharge control of each color can be easily performed for each pixel. Further, a transparent portion through which the stamp ink permeates can be formed corresponding to each color, and a non-transmissive portion through which the ink does not permeate can be formed between each transmissive portion. Can be applied accurately, and a stamp capable of continuous stamping and capable of performing color printing with little bleeding can be easily and quickly created.

According to a fifth aspect of the present invention, in the stamp forming apparatus according to the fourth aspect, the ejection ports are shifted by one dot pitch in the sub-scanning direction for each of the plurality of colors. It is characterized by being arranged.

According to a fifth aspect of the present invention, there is provided a stamp forming apparatus according to the fourth aspect, wherein the discharge port is provided at one dot pitch in the sub-scanning direction for each of the plurality of colors. Each discharge port can be formed more easily because they are arranged shifted by minutes.

According to a sixth aspect of the present invention, in the stamp forming apparatus according to any one of the first to third aspects, the ink discharging means discharges a plurality of colors of stamp ink. Discharging means, wherein the multicolor discharging means has a plurality of discharge ports provided corresponding to each color of the stamp ink, and the discharge ports are arranged on a substantially center line in the sub-scanning direction between the heating elements. In addition, the discharge ports for each of the plurality of colors are arranged so as to be shifted by one dot pitch in the sub-scanning direction.

In the stamp forming apparatus according to the sixth aspect having such a feature, in the stamp forming apparatus according to any one of the first to third aspects, the ink ejecting means includes a plurality of color stamp inks. A plurality of discharge ports are provided corresponding to the respective colors, and the discharge ports are arranged substantially on the center line in the sub-scanning direction between the respective heating elements. They are displaced by one dot pitch in the scanning direction. This allows
Since the ink can be ejected to each edge of the non-fused portion formed on the stamp face, that is, the transmission portion through which the ink permeates,
It is possible to prevent the ink dots to be applied from being overlapped with each other, to easily and quickly create a stamp capable of performing continuous stamping and capable of performing color printing with little bleeding. In addition, the discharge ports are arranged substantially on the center line in the sub-scanning direction between the heating elements, and the discharge ports of each of the plurality of colors are displaced by one dot pitch in the sub-scanning direction. ,
By moving the thermal head in the sub-scanning direction to create a mirror image of the imprint, it is possible to accurately apply stamp ink of any color to the transparent portion of the imprint surface, and to quickly produce a color stamp. .

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on first and second embodiments of the present invention with reference to the drawings. First, a schematic configuration of a stamp creation device according to the first embodiment will be described with reference to FIGS. Figure 1
1 is a perspective view illustrating a schematic configuration of a stamp creation device according to a first embodiment. FIG. 2 is a cross-sectional view of a main part schematically showing a schematic configuration of the stamp making apparatus according to the first embodiment, and FIG.
2 is a sectional view of a main part, and FIG. 2B is a sectional view of a main part viewed from the front. FIG. 3 is a block diagram illustrating a control circuit unit of the stamp creation device according to the first embodiment.

As shown in FIGS. 1 and 2, a stamp forming apparatus 1 according to a first embodiment includes a substantially box-shaped main body casing 2.
And a cover 4 that can be opened and closed so as to cover an opening 3 formed at a substantially central portion of the main body casing 2. The mounting and replacement of the stamp 5 and the ink cartridge 6 are performed through the opening 3. still,
In FIG. 2, the cover 4 is not shown. In addition, a stamp mounting portion 7 is provided on the bottom surface of the main body 2 opposite to the opening 3, and the stamp 5 is fitted and fixed with the stamp 5 facing upward. The guide shafts 8 and 9 are supported on the left and right side walls of the main body housing 2 on both sides of the upper end of the stamp mounting portion 7 so as to be substantially parallel. The carriage 11 on which the ink cartridge 6 is disposed on the upper side is formed to have a substantially U-shaped cross section that opens downward, and the guide shafts 8 and 9 are slidable at the lower ends. Has been inserted. An ink jet printer head 12 and a head holder 14 provided with a thermal head 13 on the lower surface of the front end portion are provided at substantially the center of the bottom surface of the carriage 11 in the front-rear direction. It is attached so that it may face the stamped surface part of. The head holder 14 is configured to press the stamped surface of the stamp 5 by the urging force of the pressing spring 15. In addition, on the lower surface of the inkjet printer head 12, each color (yellow (Y),
A plurality of ink ejection ports for ejecting magenta (M) and cyan (C) stamp inks are provided corresponding to the entire width of the thermal head 13 (see FIG. 5). The width of the thermal head 13 is formed slightly longer than the width of the stamp 5.

A rack gear 16 is formed along the entire length in the traveling direction of the carriage 11 (in the left-right direction in FIG. 2B) at the upper end edge on the far side of the carriage 11.
On the other hand, a carriage feed motor 17 composed of a stepping motor or the like is attached to a rear side surface portion of the main body housing 2 facing the rack gear 16. Also,
A drive gear 18 meshing with the rack gear 14 is attached to a motor shaft of the carriage feed motor 17. Thus, by controlling the rotation of the carriage feed motor 17, the movement of the carriage 11 in the left-right direction is controlled. A carriage 1 is provided on the right side wall of the main body 2.
A position detection sensor 19 (see FIG. 3) for detecting the position of the origin of No. 1 is provided. The carriage feed motor 17 and the thermal head 1 are provided on the bottom of the main body housing 2 in accordance with a command from an external personal computer 21 or the like.
3. A control circuit section 22 (see FIG. 3) for driving and controlling the ink jet printer head 12 and the like is provided.

As shown in FIG. 3, a personal computer 21 has a CPU 31 for controlling each device,
M32, RAM 33, CG-ROM 34 for printing, CG-ROM 3 for display on the liquid crystal display 35
6, an input interface 38 connected to the keyboard 37, a display drive circuit 39 for displaying characters and symbols input by the keyboard 37 on the liquid crystal display 35, and an input / output interface 40 to which an external device is connected. Are interconnected by a bus 41. On the other hand, the control circuit unit 22 of the stamp making apparatus 1 includes the ejection drive control of the stamp ink of each color of the ink jet printer head 13 and the thermal head 1.
3, a head drive circuit 45 for performing heat drive control of each heating element, a motor drive circuit 46 for performing rotational drive control of the carriage feed motor 17, and a sensor drive circuit 47 for driving the position detection sensor 19 are provided. Are connected to the input / output interface 40, respectively.

In the ROM 32, a program memory 32A storing a control program for controlling the personal computer 21 and the stamp creating apparatus 1 is stored.
A dictionary memory 32B for kanji conversion and the like is provided.

The RAM 33 has an input buffer 33A for storing input data, a print buffer 33B for storing print data, a non-image buffer 33C for storing non-image data formed by the thermal head 13, and various other types. Are provided.

The printing CG-ROM 34 stores a large number of characters or dot pattern data to be printed in association with the code data.
In M36, display dot pattern data of many characters to be printed are stored in association with code data.

Next, the shape of the ink penetrating portion formed on the stamp face of the stamp 5 by the heat generation of the respective heating elements of the thermal head 13 will be described with reference to FIG. FIG. 4 is a partially enlarged perspective view showing an example of the stamp surface formed by the thermal head 13 of the stamp making device 1 according to the first embodiment. As shown in FIG. 4, the stamp material 51 of the stamp 5 is a thin plate of porous resin formed of polyurethane, polyethylene, or the like having fine open cells. Have. When each of the heating elements of the thermal head pressed against the stamped surface of the stamping material 51 is driven for heating for a predetermined time, the pores of the surface portion in contact with the heated and driven heating elements are melted and solidified, and the surface height is increased. A fused portion 52 (spotted portion in FIG. 4) formed of a thin film layer of several μm that does not allow a slightly lower stamp ink to pass through is formed. On the other hand, a non-melting portion 53 having a pore portion through which ink penetrates is formed on a surface portion of the thermal head pressed against the stamping surface portion of the stamping material 51 and in contact with a heating element which is not heated and driven.
At this time, in general, the fused portion of the thermal head is easily melted in the main scanning direction and hardly melted in the sub-scanning direction. Therefore, by making the size in the main scanning direction smaller than that in the sub-scanning direction, the dot pitch in the main scanning direction is reduced. A square fusion zone can be formed. Therefore, the thermal head 13 is attached to the stamp 5
By selectively heating and driving each heating element of the thermal head 13 for a predetermined time while moving the heating element at a predetermined speed in the length direction (X direction in FIG. 4) of the thermal head 13 via the carriage feed motor 17 and the like. In the arrangement direction, that is, stamp 5
In the width direction (Y direction in FIG. 4), the fused portion 52 can be formed in units of the width of the dot pitch of the heating element, and the dots of the heating element in the length direction of the stamp 5 (X direction in FIG. 4). The fusion zone 52 can be formed in units of the length dimension of the pitch.

Next, a color stamp ink is applied to the non-melted portion of the stamp surface via the ink jet printer head 12 while forming a fused portion on the stamp surface of the stamp material 51 of the stamp 5 by the thermal head 13 to form a stamp. An example of the creation will be described with reference to FIGS. FIG. 5 is a diagram schematically illustrating an example of operation control of the thermal head 13 and the ink jet printer head 12 when the color stamp is created by the stamp creating apparatus 1 according to the first embodiment. It is. FIG. 6 shows FIG.
FIG. 5 is a diagram schematically illustrating an example of operation control of the thermal head 13 and the ink jet printer head 12 when the carriage 11 is moved in the traveling direction by one dot pitch, and is a partially enlarged view illustrating a color stamp creation state.
FIG. 7 is a diagram schematically showing an example of the operation control of the thermal head 13 and the ink jet printer head 12 when the carriage 11 of FIG. It is an enlarged view. FIG. 8 shows a thermal head 13 when the carriage 11 of FIG. 7 is moved in the traveling direction by one dot pitch.
FIG. 3 is a diagram schematically illustrating an example of operation control of the ink jet printer head 12, and is a partially enlarged view illustrating a color stamp creation state. FIG. 9 shows the carriage 11 of FIG.
FIG. 7 is a diagram schematically illustrating an example of operation control of the thermal head 13 and the ink jet printer head 12 when moved in a traveling direction by a dot pitch, and is a partially enlarged view illustrating a color stamp creation state.

Here, the positional relationship between the respective heating elements of the thermal head 13 and the respective ink ejection ports of the ink jet printer head 12 will be described with reference to the diagram on the left side of FIG.
As shown at the left end of the left drawing of FIG. 5, the n-th, n + 1-th, n + 2, n + 3, and n + 4th heating elements n, n + 1,
n + 2, n + 3, and n + 4 are shown in a substantially rectangular shape and arranged in a straight line in the vertical direction (main scanning direction). Further, the respective ink ejection ports Yn + 1 and Yn + 4 of the yellow (Y) color stamp ink correspond to the respective heating elements n + 1,
n + 4, and each heating element n, n + 1, n +
The heating elements n + 1 and n + 4 are arranged substantially parallel to the arrangement of n + 3 and n + 4, and are shifted from the respective heating elements n + 1 and n + 4 by one dot pitch to the rear side in the traveling direction (the direction of the arrow 55).
Further, the ink ejection port Mn + 2 of the magenta (M) color stamp ink faces the heating element n + 2, and
1 for each yellow ink ejection port Yn + 1, Yn + 4
They are arranged to be shifted rearward in the traveling direction (direction of arrow 55) by the dot pitch. Further, the ink ejection ports Cn and Cn + 3 of the cyan (C) color stamp ink face the respective heating elements n and n + 3, and are substantially parallel to the arrangement of the heating elements n, n + 1, n + 2, n + 3 and n + 4. And 1 more than the magenta ink ejection port Mn + 2
They are arranged to be shifted rearward in the traveling direction (direction of arrow 55) by the dot pitch.

The arrangement relationship between each heating element of the thermal head 13 and each ink ejection port of the ink jet printer head 12 is as follows. For each heating element, the ink ejection port of each color is yellow (Y), magenta ( M) and cyan (C) are repeated in the color order, and are arranged so as to be substantially parallel to the arrangement direction of the heating elements. In addition, the yellow (Y) ink ejection port is moved in a traveling direction (arrow 55) by one dot pitch from each heating element of the thermal head 13.
Direction). Further, the magenta (M) ink ejection port is arranged to be shifted rearward in the traveling direction (direction of arrow 55) by one dot pitch from the yellow (Y) ink ejection port. Further, the cyan (C) ink ejection port is moved by one dot pitch more than the magenta (M) ink ejection port in the traveling direction (the direction of the arrow 55).
Is shifted behind. The width dimension of the heating element of the thermal head 13 in the main scanning direction and the length dimension in the sub-scanning direction are such that the width dimension and the length dimension of the fused portion 55 formed on the printing material 51 are one dot pitch. It is formed in dimensions. Further, it is desirable that one dot pitch be set to a size substantially equal to the diameter of the ink dot applied to the printing material 51.

Next, the creation of a stamp on the printing material 51 by the thermal head 13 and the ink jet printer head 12 will be described with reference to FIGS. As shown in FIG. 5, each heating element n, n + 1,
After repeating heating drive, heating stop, and movement of the carriage 11 (one dot pitch in the direction of arrow 55) for n + 2, n + 3, and n + 4, each heating element n, n excluding the heating element n + 1
+2, n + 3, and n + 4 are heated (the heating element is
The middle and left ends are represented by black squares, and the elements not heated are represented by white squares. Thus, a melting portion 55 and a non-melting portion 56 corresponding to the heating and driving of each heating element of the printing material 51 are formed.

Subsequently, as shown in FIG.
1 is moved by one dot pitch in the advancing direction (the direction of arrow 55), the heating elements n, n + 1, and n + 4 are heated and driven for a predetermined time, and then the heating is stopped. Black square). Thereby, the stamping material 51
A fused portion 57 is formed at the stamped surface portion that comes into contact with each of the heating elements n, n + 1, n + 4. In addition, a substantially non-melting portion 56 having a side length of 1 dot pitch and a substantially rectangular shape is formed, and a non-melting portion 58 is formed at a stamp surface portion of the stamp material 51 that contacts each of the heating elements n and n + 1. Further, the ink ejection port Yn + 1
In FIG. 6, ink droplets of the yellow (Y) color stamp ink are applied to the non-fused portion 56 a predetermined number of times via a black circle facing the heating element n + 1 (in FIG. 6, a large mesh-shaped circle). mark).

Then, as shown in FIG.
1 is moved in the traveling direction (the direction of the arrow 55) by one dot pitch applied to the printing material 51, and each heating element n, n +
1, n + 3 and n + 4 are heated and driven for a predetermined time (FIG. 7).
The middle and left ends are represented by black squares, respectively), heating element n + 2
Only the heating drive is stopped (in FIG. 7, a white square is shown at the left end). Thereby, each heating element n, n of the printing material 51
A fusion zone 59 is formed at the stamped surface portion that comes into contact with +1, n + 3, and n + 4. The length of one side in the traveling direction (the horizontal direction in FIG. 7) is substantially equal to one dot pitch, and the length of one side in the width direction (the vertical direction in FIG. 7) is substantially equal to twice the one dot pitch. A non-melting portion 60 is formed on the non-melting portion 58 having a rectangular shape and a stamped surface portion which comes into contact with the heating element n + 2.

Next, as shown in FIG.
Is moved in the advancing direction (direction of arrow 55) by one dot pitch applied to the printing material 51, and each of the heating elements n, n +
2, n + 3 and n + 4 are heated and driven for a predetermined time (FIG. 8).
The middle and left ends are represented by black squares, respectively), heating element n + 1
Only the heating drive is stopped (in FIG. 8, a white square is shown at the left end). Thereby, each heating element n, n of the printing material 51
+2, n + 3, and n + 4, a fused portion 61 is formed at the stamped surface portion in contact with n + 4. In addition, a substantially quadrangular non-melting portion 60 substantially equal to one dot pitch is formed, and a non-melting portion 62 is formed on the stamp face of the stamping material 51 that contacts the heating element n + 1. After the molten portion 61 of the stamping material 51 is melted and solidified, the ink droplets of the magenta (M) color stamp ink are passed through the ink discharge ports Mn + 2 (in FIG. 8, the black circles facing the heating element n + 2). 58, one half surface (in FIG. 8,
It is applied a predetermined number of times to the upper half surface (a small spotted circle in FIG. 8).

Subsequently, as shown in FIG.
9 is moved in the advancing direction (the direction of arrow 55) by a dimension substantially equal to one dot pitch applied to the printing material 51, and the heating elements n, n + 1, n + 2, n + 3, and n + 4 are heated and driven for a predetermined time (FIG. 9). , Each represented by a black square at the left end). Thereby, each heating element n, n + 1,
The fused portion 63 is provided on the stamped surface portion that comes into contact with n + 2, n + 3, and n + 4.
Is formed. After the melting portion 63 of the stamping material 51 is melted and solidified, the ink droplet of the yellow (Y) color stamp ink passes through the ink discharge port Yn + 1 (in FIG. 9, the black circle facing the heating element n + 1). It is applied to the portion 62 a predetermined number of times (in FIG. 9, a large mesh-shaped circle). Also,
The ink droplets of the magenta (M) color stamp ink are applied to the non-melted portion 60 a predetermined number of times via the ink discharge ports Mn + 2 (black circles facing the heating element n + 2 in FIG. 9) (FIG. Small spotted circles). Further, the ink droplets of the cyan (C) color stamp ink are applied to the other half surface of the non-melting portion 58 (FIG. 9) through the ink discharge ports Cn + 3 (black circles facing the heating element n + 3 in FIG. 9).
It is applied a predetermined number of times to the middle and lower half surfaces (large black circles in FIG. 9).

As described above in detail, in the stamp making apparatus 1 according to the first embodiment, the thermal head 13 and the ink jet printer head 12 are integrally formed on the lower surface of the carriage 11 having a substantially U-shaped cross section that opens downward. The thermal head 13 forms a mirror image of a printing image on the printing surface of the printing material 51 of the stamp 5 via the carriage feed motor 17 and the like. 12, the color stamp ink of each color (yellow, magenta, cyan) is applied to form a stamp. The arrangement relationship between each heating element of the thermal head 13 and each ink ejection port of the ink jet printer head 12 is such that the ink ejection port of each color is yellow (Y), magenta (M), and cyan for each heating element. They are arranged so as to be substantially parallel to the arrangement direction of the heating elements by repeating the order of the colors of (C). Further, the yellow (Y) ink ejection port is arranged to be shifted rearward in the advancing direction (direction of arrow 55) by one dot pitch applied to the printing material 51 from each heating element of the thermal head 13. In addition, the magenta (M) ink ejection port is moved in the traveling direction (arrow 5) by one dot pitch applied to the printing material 51 more than the yellow (Y) ink ejection port.
(5 directions). Further, the cyan (C) ink ejection port is arranged shifted from the magenta (M) ink ejection port in the advancing direction (direction of arrow 55) by one dot pitch applied to the printing material 51. The width of each heating element of the thermal head 13 in the main scanning direction and the length of the heating element in the sub-scanning direction are formed at one dot pitch applied to the printing material 51.

As a result, the positional relationship between the thermal head 13 and the ink jet printer head 12 is fixed, so that the unfused portion formed on the surface of the printing material 51 by the thermal head 13 and the ink of the ink jet printer head 12 Positioning with the discharge port can be easily performed. In addition, since the color ink can be applied to the surface of the printing material 51 via the inkjet printer head 12, the application of the color stamp ink to minute characters and patterns can be easily performed. In addition, since the color stamp ink is applied to the non-melted portion of the printing surface of the printing material 51 while selectively heating each of the heating elements of the thermal head 13, a color stamp that can be continuously imprinted can be quickly produced. . The thermal head 13
Is provided in the movement direction (the direction of the arrow 55) in the sub-scanning direction with respect to the ink jet printer head 12, so that the non-transmitting portion of the color stamp ink is formed on the printing surface of the printing material 51 by melting. The color stamp ink can be accurately applied to the fusion zone. Further, since each ink ejection port of the ink jet printer head 12 is provided corresponding to one ink ejection port on the axis line in the sub-scanning direction of each heating element, each ink ejection port can be easily formed. . In addition, since the ink ejection ports are arranged in the main scanning direction of the heating element for each of the three colors of yellow, magenta, and cyan, it is possible to easily perform ejection control of each color for each pixel. Further, a transparent portion through which the stamp ink permeates can be formed corresponding to each color, and a non-transmissive portion through which the ink does not permeate can be formed between each transmissive portion. A color stamp ink of a color can be accurately applied, and a color stamp that can be continuously imprinted and that can perform color printing with little bleeding can be easily and quickly created. Further, since the ink ejection ports of the ink jet printer head 12 are arranged so as to be shifted by one dot pitch in the sub-scanning direction for each of the three colors of yellow, magenta, and cyan, each ink ejection port can be formed more easily. can do.

Next, a stamp forming apparatus according to a second embodiment will be described. The stamp creation device according to the second embodiment has substantially the same configuration as the stamp creation device according to the first embodiment. However, the configuration of the ink jet printer head of the stamp making device according to the second embodiment is the same as that of the first embodiment.
This is different from the configuration of the ink jet printer head 12 according to the embodiment. Here, in the printer making apparatus according to the second embodiment, the thermal head 13 forms the fused portion 52 on the stamped portion of the stamping material 51 of the stamp 5 while forming the fused portion 52 on the stamped portion of the stamp 5 through the inkjet printer head. An example of forming a stamp by applying a color stamp ink will be described with reference to FIGS.
FIG. 10 is a diagram schematically illustrating an example of operation control of the thermal head 13 and the ink jet printer head when a color stamp is created by the stamp creating apparatus according to the second embodiment, and is a partially enlarged view illustrating a color stamp creation state. is there. FIG. 11 is a diagram schematically showing an example of operation control of the thermal head 13 and the ink jet printer head when the carriage 11 of FIG. 10 is moved in the advancing direction by one dot pitch in the sub-scanning direction of each heating element. FIG. 4 is a partially enlarged view showing a color stamp creation state.
FIG. 12 is a diagram schematically illustrating an example of operation control of the thermal head 13 and the ink jet printer head when the carriage 11 of FIG. 11 is moved in the advancing direction by one dot pitch in the sub-scanning direction of each heating element. FIG. 4 is a partially enlarged view showing a color stamp creation state. FIG.
12 is a diagram schematically showing an example of operation control of the thermal head 13 and the ink jet printer head when the carriage 11 of FIG. 12 is moved in the advancing direction by one dot pitch in the sub-scanning direction of each heating element. It is the elements on larger scale which show a stamp production state. FIG. 14 shows FIG.
3 is a diagram schematically illustrating an example of operation control of the thermal head 13 and the ink jet printer head when the carriage 11 is moved in the advancing direction by one dot pitch in the sub-scanning direction of each heating element. It is the elements on larger scale which show a state. 10 to 1
4, a stamp creation device 1 according to the first embodiment.
The same reference numerals indicate the same or corresponding parts as those of the printer creating apparatus 1.

First, the schematic structure of the ink jet printer head of the printer making apparatus according to the second embodiment and the positional relationship between each heating element of the thermal head 13 and each ink ejection port of the ink jet printer head are shown on the left side of FIG. Description will be made based on the drawings. As shown at the left end of the left drawing of FIG.
, N + 1, n + 2, n + 3, n + 4, and n + 5 heating elements n, n + 1, n + 2, n +
3, n + 4, and n + 5 are shown in a substantially square shape and arranged in a straight line in the vertical direction (main scanning direction). Also,
The ink ejection port of the color stamp ink of the ink jet printer head 71 is the ink ejection port of each color.
The traveling direction (arrow 55)
Direction), three are arranged in the order of yellow (Y), magenta (M), and cyan (C).
Further, each of the ink ejection ports is a set of the three ink ejection ports, and each of the heating elements n, n + 1, n + 2, n + 3,
It is arranged on the approximate center line in the main scanning direction between n + 4, n + 5, and the like. In other words, each of the three ink ejection ports is arranged to be shifted in the main inspection direction by the one dot pitch.

For example, an ink discharge port Yn of yellow color stamp ink is applied to the printing material 51 more than the heating elements n and n + 1 on a substantially center line in the main scanning direction between the heating elements n and n + 1. It is arranged so as to be shifted by one dot pitch to the rear side in the traveling direction (the direction of the arrow 55). The ink ejection openings Yn for the yellow color stamp ink, the ink ejection openings Mn for the magenta color stamp ink, and the ink ejection openings C for the cyan color stamp ink
The n's are sequentially arranged in the rearward direction in the traveling direction (the direction of the arrow 55) by the one dot pitch.

On the substantially center line in the main scanning direction between the heating elements n + 1 and n + 2, ink ejection ports Yn + 1 for yellow color stamp ink are provided.
It is arranged so as to be shifted behind n + 2 by one dot pitch applied to the printing material 51 in the traveling direction (the direction of the arrow 55). The ink ejection port Yn + 1 of the yellow color stamp ink, the ink ejection port Mn + 1 of the magenta color stamp ink, and the ink ejection port Cn + 1 of the cyan color stamp ink are each in the traveling direction (the direction of arrow 55) by the one dot pitch. It is arranged in order shifted to the rear side.

On a substantially center line in the main scanning direction between the heating elements n + 2 and n + 3, an ink discharge port Yn + 2 for yellow color stamp ink is provided.
It is shifted from n + 3 by one dot pitch applied to the printing material 51 to the rear side in the traveling direction (the direction of the arrow 55). The ink ejection ports Yn + 2 for the yellow color stamp ink, the ink ejection ports Mn + 2 for the magenta color stamp ink, and the ink ejection ports Cn + 2 for the cyan color stamp ink are each in the traveling direction (direction of arrow 55) by the one dot pitch. It is arranged in order shifted to the rear side.

On the substantially center line in the main scanning direction between the heating elements n + 3 and n + 4, ink ejection ports Yn + 3 for yellow color stamp ink are provided.
It is arranged so as to be shifted rearward in the traveling direction (direction of arrow 55) by one dot pitch applied to the printing material 51 from n + 4. The ink ejection ports Yn + 3 of the yellow color stamp ink, the ink ejection ports Mn + 3 of the magenta color stamp ink, and the ink ejection ports Cn + 3 of the cyan color stamp ink are each in the traveling direction (the direction of arrow 55) by the one dot pitch. It is arranged in order shifted to the rear side.

Further, an ink discharge port Yn + 4 of yellow color stamp ink is provided on a substantially center line in the main scanning direction between the heating elements n + 4 and n + 5.
It is arranged to be shifted rearward in the advancing direction (direction of arrow 55) by one dot pitch applied to the printing material 51 from n + 5. The ink ejection ports Yn + 4 of the yellow color stamp ink, the ink ejection ports Mn + 4 of the magenta color stamp ink, and the ink ejection ports Cn + 4 of the cyan color stamp ink are each in the traveling direction (the direction of the arrow 55) by the one dot pitch. It is arranged in order shifted to the rear side.

Thus, the arrangement relationship between each heating element of the thermal head 13 and each ink ejection port of the ink jet printer head 71 is such that yellow (Y) and magenta (Y) are located on the center line between the heating elements in the main scanning direction. M) and cyan (C) ink ejection ports are arranged on a straight line and shifted rearward in the advancing direction (direction of arrow 55) by one dot pitch applied to the printing material 51. Further, the yellow (Y) ink ejection port is arranged to be shifted rearward in the advancing direction (direction of arrow 55) by one dot pitch applied to the printing material 51 from each heating element of the thermal head 13. The width of each heating element in the main scanning direction is the same as that of the printing material 51.
The heating elements are formed at a one-dot pitch, and the length of each heating element in the sub-scanning direction is formed to be slightly larger than the one-dot pitch.

Next, the creation of a stamp on the printing material 51 by the thermal head 13 and the ink jet printer head 71 will be described with reference to FIGS. FIG.
As shown in FIG.
+1, n + 2, n + 3, n + 4, and n + 5 are repeatedly heated, stopped, and moved by the carriage 11 (one dot pitch in the direction of arrow 55), and then the heating elements n, n + 2, n
The heating elements n + 1, n + 4, and n + 5 except for +3 are heated (the heating elements are black squares at the left end in FIG. 10, respectively).
Unheated elements are represented by white squares. Thus, the melting portion 75 corresponding to the heating drive of each heating element of the printing material 51,
76, non-fused parts 77 and 78 are formed. In addition, stamp material 5
After the respective melted portions 75 and 76 are melted and solidified, the ink discharge port C
The ink droplets of the cyan (C) color stamp ink pass through n (in FIG. 10, black circles substantially on the center line in the main scanning direction between the heating elements n and n + 1) at the edge of the non-fused portion 79 ( A predetermined number of times is applied to the lower edge portion in FIG. 10 (in FIG. 10,
Approximately 1/4 circle mark of large mesh pattern).

Subsequently, as shown in FIG. 11, the carriage 11 is moved in the advancing direction (direction of arrow 55) by one dot pitch in the sub-scanning direction of each heating element, and each heating element n + 1, n + 4 of the thermal head 13 is moved. , N + 5 are heated for a predetermined time (in FIG. 11, each left end is represented by a black square), and the heating drive of each of the heating elements n, n + 2, n + 3 is stopped (in FIG. 11, the left end is represented by a white square). ). As a result, each of the fused portions 75 and 76 and each of the non-fused portions 77 and 78 are extended in the traveling direction (the direction of the arrow 55) by one dot pitch in the sub-scanning direction of each heating element. Further, after the respective melting portions 75 and 76 of the printing material 51 are melted and solidified, the respective ink ejection ports Yn, Yn + 1, and Yn + 3 (FIG. 11).
The ink droplets of the yellow (Y) color stamp ink pass through the respective edges of the non-fused portions 77 and 78 (the upper and lower edges in FIG. 11) via the middle and left-hand rows of black circles on the left end side in the drawing. Is applied a predetermined number of times (in FIG. 11, approximately 1 /
4 circles). In addition, the ink droplets of the color stamp ink of magenta (M) are passed through the ink discharge ports Mn (black circles at the upper end of the middle row on the left side of FIG. A predetermined number of times is applied to the lower left corner (FIG. 11).
Medium, approximately 1/4 circle with small spots).

Then, as shown in FIG. 12, the carriage 11 is moved in the advancing direction (the direction of the arrow 55) by one dot pitch in the sub-scanning direction of each heating element, so that each heating element n, n + 1,. n + 2, n + 3,
n + 4 and n + 5 are heated and driven for a predetermined time (in FIG. 12, each left end is represented by a black square). Thereby, the stamping material 51
Heating elements n, n + 1, n + 2, n + 3, n + 4, n
A fused portion 80 is formed at the stamped surface portion that comes into contact with +5. In addition, substantially quadrangular non-melting portions 77 and 78 are formed. After the melting portion 80 of the stamping material 51 is melted and solidified, the ink droplets of the magenta (M) color stamp ink are passed through the ink discharge ports Mn + 2 (third black circle from the top in the middle row on the left in FIG. 12). The central position of the rear edge of the non-fused portion 78 (FIG. 12)
It is applied a predetermined number of times to the middle and right edge center positions (FIG. 12).
Medium, approximately 1/2 circle with small spots).

Next, as shown in FIG.
13 is moved in the advancing direction (the direction of arrow 55) by one dot pitch in the sub-scanning direction of each heating element, and each heating element n, n + 1, n + 4 is heated and driven for a predetermined time (FIG. 13).
Each of the heating elements n +
The heating drive of 2, n + 3 and n + 5 is stopped (FIG. 13
(Indicated by a white square in the middle and left edge.) Thereby, the stamp material 5
The respective fused portions 81 and 82 are formed on the stamped surface portion that comes into contact with the respective heating elements n, n + 1 and n + 4. Each heating element n
+2, n + 3, and n + 5 each non-fused portion 8
3, 84 are formed. In addition, each melting portion 8 of the stamp material 51
13 are melted and solidified, the ink discharge ports Yn + 1 (FIG. 13)
Through the middle and left columns of the left column (the second black circle from the top), the ink droplets of the yellow (Y) color stamp ink form the upper corner of the front edge of the non-fused portion 78 (the upper left corner in FIG. 13). (Approximately ４ of the large mesh pattern in FIG. 13)
Circle).

Subsequently, as shown in FIG. 14, the carriage 11 is moved in the advancing direction (direction of arrow 55) by one dot pitch in the sub-scanning direction of each heating element, so that each heating element n, n + 1 of the thermal head 13 is moved. , N + 4 for a predetermined time (represented by a black square at the left end in FIG. 14), and the heating drive of each of the heating elements n + 2, n + 3, n + 5 is stopped (represented by a white square at the left end in FIG. 14). ). As a result, each of the fusion parts 81 and 82 and each of the non-fusion parts 83 and 84 are extended in the traveling direction (the direction of the arrow 55) by one dot pitch in the sub-scanning direction of each heating element. After the melting portions 81 and 82 of the stamping material 51 are melted and solidified, the yellow (Y) color stamp is passed through the ink discharge ports Yn + 1, Yn + 3, and Yn + 4 (a single row of black circles on the left end of the left drawing in FIG. 14). Ink droplets of the ink are applied a predetermined number of times to the respective edges (upper and lower edges in FIG. 14) of each of the non-fused portions 83 and 84 (in FIG. 14, approximately one large mesh pattern).
/ 4 circle). Further, the ink discharge ports Mn + 3 (in FIG. 14,
The ink drop of the magenta (M) color stamp ink is applied to the lower front corner of the non-fused portion 78 (the lower left corner in FIG. 14) via the fourth black circle from the top in the middle row of the left diagram. It is applied a predetermined number of times (approximately 1/4 of a small spot pattern in FIG. 14).
Circle). Further, the ink droplets of the cyan (C) color stamp ink are supplied to the substantially central portion of the non-molten portion 78 via the ink discharge ports Cn + 2 (third black circle from the top in the right column of the left diagram in FIG. 14). It is applied a predetermined number of times (black circles in FIG. 14).

As described in detail above, in the stamp making apparatus according to the second embodiment, the thermal head 13 and the ink jet printer head 12 are integrally provided on the lower surface of the carriage 11 having a substantially U-shaped cross section that opens downward. And
A mirror image of a printed image is formed on the printing surface of the printing material 51 of the stamp 5 by the carriage feed motor 17 and the like by the thermal head 13, and a non-fused portion formed on the printing surface of the printing material 51 is printed by the inkjet printer 71. (Yellow, magenta, cyan) color stamp ink is applied to form a stamp. The arrangement relationship between each heating element of the thermal head 13 and each ink ejection port of the ink jet printer head 71 is such that yellow (Y), magenta (M), and cyan are located on the center line between the heating elements in the main scanning direction. The ink discharge ports of each color (C) are arranged in a straight line and shifted rearward in the advancing direction (direction of arrow 55) by one dot pitch applied to the printing material 51. Further, the yellow (Y) ink ejection port is arranged to be shifted rearward in the advancing direction (direction of arrow 55) by one dot pitch applied to the printing material 51 from each heating element of the thermal head 13.

As a result, the positional relationship between the thermal head 13 and the ink jet printer head 71 is fixed, so that the unfused portion formed on the surface of the printing material 51 by the thermal head 13 and the ink of the ink jet printer head 71 Positioning with the discharge port can be easily performed. Further, since the color ink can be applied to the surface of the printing material 51 via the ink jet printer head 71, the application of the color stamp ink to minute characters and patterns can be easily performed. In addition, while selectively heating each of the heat generating elements of the thermal head 13, an ink jet printer head 71 is attached to each edge of the non-melted portion formed on the stamp surface of the stamp material 51, that is, the transparent portion through which ink penetrates. Since the ink can be ejected through the stamp, it is possible to easily and quickly create a stamp capable of performing continuous imprinting and performing color printing with little bleeding. Further, since the thermal head 13 is provided on the side of the sub-scanning movement direction (the direction of the arrow 55) with respect to the ink jet printer head 71, the non-transmitting portion of the color stamp ink is melted on the printing surface of the printing material 51 by melting. While forming, the color stamp ink can be accurately applied to the non-fused portion. Furthermore, the ink jet printer 7
In one ink ejection port, ink ejection ports of respective colors of yellow (Y), magenta (M), and cyan (C) are arranged on a straight line, and substantially on the center line in the sub-scanning direction between the heating elements. Since the ink discharge ports of the three colors are arranged with a shift of one dot pitch in the sub-scanning direction, the thermal head 13 is moved in the sub-scanning direction to create a mirror image of the printing image, and the transmission portion of the printing surface is printed. A color stamp ink of an arbitrary color can be applied accurately, and a color stamp can be created quickly.

It should be noted that the present invention is not limited to the first and second embodiments, and various improvements and modifications can be made without departing from the spirit of the present invention.

[0051]

As described in detail above, in the stamp forming apparatus according to the first aspect, a plurality of heating elements are provided,
A thermal head for selectively driving the heating elements to generate a stamp on the printing material while discharging the stamp ink on the printing surface portion while being relatively moved in a predetermined sub-scanning direction with respect to a printing material formed of a porous resin; And an ink ejecting unit for performing the operation. Accordingly, the positional relationship between the thermal head and the ink ejection unit is fixed, so that the stamp formed by the thermal head and the ink ejection unit can be easily positioned. Further, it is possible to provide a stamp making apparatus which can apply stamp ink through ink discharging means and can easily apply stamp ink to minute characters and patterns.

According to a second aspect of the present invention, in the stamp forming apparatus according to the first aspect, the non-melted portion of the stamp surface is driven by an ink discharging means while the heating element is driven to generate heat. To apply ink,
It is possible to provide a stamp making apparatus that can apply stamp ink while forming a stamp on a stamp surface of a stamp material and can quickly make a stamp that can be continuously stamped.

According to a third aspect of the present invention, in the stamp forming apparatus according to the first or second aspect, the thermal head is located on the moving side in the sub-scanning direction with respect to the ink discharging means. Because it is provided,
It is possible to provide a stamp making apparatus capable of accurately applying stamp ink to a non-melted portion while forming a non-transmissive portion of the stamp ink by melting the stamp surface of the stamp material.

According to a fourth aspect of the present invention, in the stamp forming apparatus according to any one of the first to third aspects, the ink discharge means corresponds to each of a plurality of colors of stamp ink. And a plurality of discharge ports, each of which is provided with one discharge port on the axis of the heating element in the sub-scanning direction. In addition, the discharge ports are arranged in the main scanning direction of the heating element for each of the plurality of colors. As a result, since each ejection port of the ink ejection means is provided corresponding to one ejection port on the axis of each heating element in the sub-scanning direction, a stamp forming apparatus capable of easily forming each ejection port is provided. Can be provided. Further, since the discharge ports are arranged in the main scanning direction of the heating element for each of the plurality of colors, it is possible to provide a stamp forming apparatus capable of easily performing discharge control of each color for each pixel. it can. Further, a transparent portion through which the stamp ink permeates can be formed corresponding to each color, and a non-transmissive portion through which the ink does not permeate can be formed between each transmissive portion. It is possible to provide a stamp making apparatus which can apply the stamp ink accurately, and can easily and promptly make a stamp capable of continuous stamping and capable of performing color printing with little bleeding.

In the stamp forming apparatus according to a fifth aspect, in the stamp forming apparatus according to the fourth aspect, the discharge ports are shifted by one dot pitch in the sub-scanning direction for each of the plurality of colors. Since they are arranged, it is possible to provide a stamp making device capable of forming each discharge port more easily.

Further, in the stamp forming apparatus according to claim 6, in the stamp forming apparatus according to any one of claims 1 to 3, the ink discharge means corresponds to each of a plurality of colors of stamp ink. The plurality of ejection ports are provided on a substantially center line of the heating elements in the sub-scanning direction, and the ejection ports of each of the plurality of colors are arranged one by one in the sub-scanning direction. They are arranged shifted by the dot pitch. This makes it possible to discharge ink to the non-melted portion formed on the stamp surface, that is, to each edge of the transmission portion through which ink penetrates, so that a stamp capable of continuous stamping and color printing with little bleeding can be obtained. It is possible to provide a stamp making device that can be made easily and quickly. In addition, the discharge ports are arranged substantially on the center line in the sub-scanning direction between the heating elements, and the discharge ports of each of the plurality of colors are displaced by one dot pitch in the sub-scanning direction. By moving the thermal head in the sub-scanning direction to create a mirror image of the imprint, it is possible to accurately apply stamp ink of any color to the transparent portion of the imprint surface, and to quickly produce a color stamp. It is possible to provide a stamp producing apparatus capable of performing the above.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a schematic configuration of a stamp creation device according to a first embodiment.

FIGS. 2A and 2B are cross-sectional views of main parts schematically showing a schematic configuration of a stamp forming apparatus according to the first embodiment, wherein FIG. 2A is a cross-sectional view of main parts and FIG. is there.

FIG. 3 is a block diagram illustrating a control circuit unit of the stamp creation device according to the first embodiment.

FIG. 4 is a partially enlarged perspective view showing an example of a stamp surface formed by a thermal head of the stamp making device according to the first embodiment.

FIG. 5 is a diagram schematically illustrating an example of operation control of a thermal head and an ink jet printer head when a color stamp is created by the stamp creating apparatus according to the first embodiment;
FIG. 4 is a partially enlarged view showing a color stamp creation state.

FIG. 6 is a diagram schematically illustrating an example of operation control of the thermal head and the ink jet printer head when the carriage of FIG. 5 is moved in a traveling direction by a dimension substantially equal to an ink dot diameter, and illustrates a color stamp creation state. FIG.

FIG. 7 is a diagram schematically illustrating an example of operation control of the thermal head and the ink jet printer head when the carriage of FIG. 6 is moved in a traveling direction by a dimension substantially equal to the ink dot diameter, and illustrates a color stamp creation state. FIG.

FIG. 8 is a diagram schematically illustrating an example of operation control of the thermal head and the ink jet printer head when the carriage of FIG. 7 is moved in a traveling direction by a dimension substantially equal to an ink dot diameter, and illustrates a color stamp creation state. FIG.

9 is a diagram schematically illustrating an example of operation control of the thermal head and the ink jet printer head when the carriage of FIG. 8 is moved in a traveling direction by a dimension substantially equal to an ink dot diameter, and illustrates a color stamp creation state. FIG.

FIG. 10 is a diagram schematically showing an example of operation control of a thermal head and an ink jet printer head when a color stamp is produced by the stamp producing device according to the second embodiment, and is a partially enlarged view showing a color stamp producing state. is there.

11 schematically shows an example of operation control of the thermal head and the ink jet printer head when the carriage of FIG. 10 is moved in the advancing direction by a dimension substantially equal to the length dimension of each heating element in the sub-scanning direction. FIG. 4 is a partially enlarged view showing a color stamp creation state.

12 schematically shows an example of operation control of the thermal head and the ink jet printer head when the carriage of FIG. 11 is moved in the advancing direction by a dimension substantially equal to the length of each heating element in the sub-scanning direction. FIG. 4 is a partially enlarged view showing a color stamp creation state.

FIG. 13 schematically illustrates an example of operation control of the thermal head and the ink jet printer head when the carriage of FIG. 12 is moved in the advancing direction by a dimension substantially equal to the length of each heating element in the sub-scanning direction. FIG. 4 is a partially enlarged view showing a color stamp creation state.

14 schematically shows an example of operation control of the thermal head and the ink jet printer head when the carriage of FIG. 13 is moved in the advancing direction by a dimension substantially equal to the length of each heating element in the sub-scanning direction. FIG. 4 is a partially enlarged view showing a color stamp creation state.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 stamp producing device 2 main body housing 3 opening 4 cover 5 stamp 6 ink cartridge 7 stamp mounting portion 11 carriage 12, 71 ink jet printer head 13 thermal head 17 carriage feed motor 21 personal computer

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takashi Okumura 15-1, Naeshiro-cho, Mizuho-ku, Nagoya-shi Inside Brother Industries, Ltd. (72) Inventor Hiroshi Takami 15-1 Naeshiro-cho, Mizuho-ku, Nagoya-city Brother Industries, Ltd. F term (reference) 2C056 EA30 FA10 FB01 HA22 2C065 AA02 AB01 AD07 AF01 CZ13 2H084 AA13 AE05 BB04 BB09

Claims (6)

[Claims] 1. A printing material comprising: a thermal head provided with a plurality of heating elements; and a printing material formed of a porous resin, relatively moved in a predetermined sub-scanning direction. A stamp forming apparatus for forming a seal on a stamp material, comprising: an ink discharging means for discharging stamp ink on a stamp surface of the stamp material; and wherein the thermal head and the ink discharging means are provided integrally. 2. The stamp making apparatus according to claim 1, wherein a stamp ink is applied to a non-melted portion of the stamp surface portion via an ink discharge unit while the heating element is driven to generate heat. 3. The stamp forming apparatus according to claim 1, wherein the thermal head is provided on a side in a moving direction in a sub-scanning direction with respect to the ink discharge unit. 4. The ink discharge means includes a multi-color discharge means for discharging a plurality of colors of stamp ink, and the multi-color discharge means has a plurality of discharge ports provided for each color of the stamp ink. The discharge ports are provided with one discharge port corresponding to the axis of the heating element in the sub-scanning direction, and are arranged in the main scanning direction of the heating element for each of the plurality of colors. The stamp creation device according to any one of claims 1 to 3, wherein: 5. The stamp forming apparatus according to claim 4, wherein the discharge ports are arranged so as to be shifted by one dot pitch in the sub-scanning direction for each of the plurality of colors. 6. The ink discharge means includes a multi-color discharge means for discharging a plurality of colors of stamp ink, and the multi-color discharge means has a plurality of discharge ports provided corresponding to each color of the stamp ink. The discharge ports are arranged on a substantially center line in the sub-scanning direction between the heating elements, and the discharge ports of each of the plurality of colors are arranged so as to be shifted by one dot pitch in the sub-scanning direction. The stamp creation device according to any one of claims 1 to 3, wherein: