JP2000103552A - Roll sheet unit and electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a roll sheet unit capable of easily fitting a sheet different in width with a simple constitution, and an electronic equipment having the roll sheet unit. SOLUTION: A roll sheet unit 14 comprises a core 25 wound with a tack sheet 13, and a first holder member 34 and a second holder member 35 arranged on both side end parts in the width direction of the core 25. A first core side recessed part 57, a second core side recessed part 58, and a third core side recessed part 59 are provided on both side end parts of the core 25 in the width direction, and a first holder side projecting part 42 is provided on a first inner projecting part 39 of the first holder member 34, and a second holder side projecting part 49 and a third holder side projecting part 55 are provided on a second inner projecting part 48 of the second holder member 35 so that the fitting position to the core 25 of different width is respectively different.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roll sheet unit and an electronic apparatus, and more particularly, to a roll used in an electronic apparatus for cutting a conveyed sheet and / or forming an image such as a character. The present invention relates to a sheet unit and an electronic device including the roll sheet unit.

[0002]

2. Description of the Related Art Conventionally, as one type of electronic equipment, a cutting device for cutting a tack sheet or the like in which a release sheet is bonded to an adhesive sheet into a predetermined shape has been known. This type of cutting apparatus includes, for example, a roll sheet unit that supports a sheet wound around a core, a transport roller that pulls out the sheet from the roll sheet unit, and transports the sheet. And a cutting mechanism for cutting the sheet to be cut. The cutting mechanism usually includes a cutter for cutting the sheet, and a carriage for reciprocating the cutter in a direction (the width direction of the sheet) substantially perpendicular to the sheet conveying direction. The sheet can be cut into a predetermined shape by rotation and reciprocal movement of the sheet in the width direction of the carriage.

In such a cutting apparatus, the roll sheet unit includes, for example, a core made of a resin around which the sheet is wound, and two cores made of a resin and arranged at both ends in the width direction of the core. Some roll sheet units include a roll holder. In such a roll sheet unit, the two roll holders are brought into contact with both ends of the core, respectively, and are connected to each other in a cylindrical hole of the core. The roll core is supported so as to sandwich the core.

[0004]

However, in such a roll sheet unit, in order to mount sheets having different widths, a roll core corresponding to the width of the sheet and a width (length) of the roll core are required. It is necessary to prepare a corresponding roll holder. In other words, each time the width of the sheet is different, it is necessary to produce a roll sheet unit corresponding to the width, which causes a problem that the cost is increased.

In order to solve such a problem, for example, a flange abutting on a side end of a core is provided on a roll holder so as to be slidable in the width direction of the sheet, and the sheet is wound. A configuration in which a core having a sheet of different width wound thereon is supported by one type of roll holder by sliding and moving the flange of the core to a side end of the core. However, when the roll holder is mounted on the core, it takes time and effort to slide the flange, and the configuration of the roll holder becomes complicated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to provide a roll sheet unit capable of easily mounting sheets having different widths with a simple configuration, and a roll sheet unit for the roll sheet unit. An electronic device provided with a seat unit is provided.

[0007]

In order to achieve the above object, at least one of conveying means for conveying a sheet, cutting means for cutting a sheet, and image forming means for forming an image on a sheet is provided. And a roll sheet unit that supports the sheet in a wound state. The roll sheet unit supports a core around which the roll sheet is wound and the core. A roll holder for the roll core, the roll holder comprises a first holder member and a second holder member respectively disposed at both ends in the width direction of the core,
At least one side end in the width direction of the core is provided with a core-side fitting portion that fits into at least one of the first holder member and the second holder member, and the first holder At least one of the member and the second holder member is provided with a holder-side fitting portion that fits into the core-side fitting portion, and the core-side fitting portion and the holder-side fitting portion Is characterized in that the fitting positions are different from each other with respect to the cores having different widths.

According to such a configuration, the core-side fitting portion provided at at least one side end in the width direction of the core, and the holder provided at at least one of the first holder member and the second holder member. The side fitting portions are fitted to the winding cores having different widths so that the fitting positions are different from each other.

The invention described in claim 2 is the first invention.
Wherein the holder-side fitting portion is formed as a protrusion toward the core-side fitting portion, and the core-side fitting portion is formed as a concave portion that receives the protrusion. It is characterized by having.

According to such a configuration, when the roll holder is mounted on the cores having different widths, the projections as the holder-side fitting portions are fitted into the concave portions as the core-side fitting portions.

The invention described in claim 3 is the same as the claim 2
In the invention described in (1), at least one step is formed in the protrusion, and each step is configured to abut on the core having a different width. .

According to such a configuration, when the roll holder is mounted on the cores having different widths, each step formed on the projection comes into contact with the cores having different widths. .

The invention described in claim 4 is the first invention.
In the invention described in any one of the first to third aspects, the core-side fitting portion is provided at one side end portion in the width direction of the core, and the holder-side fitting portion is provided on the first side. It is provided on one of the holder member and the second holder member.

According to such a configuration, the core-side fitting portion provided at one side end in the width direction of the core is provided on only one of the first holder member and the second holder member. Since the roll core is fitted with the holder-side fitting portion, the core on which the roll holder is mounted, regardless of the width of the core, the side end of the core on which the core-side fitting portion is not provided. But,
It comes into contact with either the first holder member or the second holder member without the holder-side fitting portion at the same position at all times.

The invention described in claim 5 is the first invention.
In the invention described in any one of (1) to (3), the core-side fitting portion is provided at both ends in the width direction of the core, and the holder-side fitting portion includes the first holder member and the first holder member. It is characterized in that it is provided on both of the second holder members.

According to such a configuration, the core-side fitting portions provided at both end portions in the width direction of the core are different from the holder-side fitting portions provided on both the first holder member and the second holder member. Since the cores are fitted, the core to which the roll holder is attached is always fixed at a fixed position between the first holder member and the second holder member regardless of the width of the core.
For example, it can be arranged at the center between the first holder member and the second holder member.

The invention described in claim 6 is the same as the claim 5
The shape of the holder-side fitting portion provided on the first holder member and the shape of the holder-side fitting portion provided on the second holder member are different from each other, and the width of the winding core is The shape of each of the core-side fitting portions provided at both ends in the direction is different from each other so that the shapes can be fitted into the respective holder-side fitting portions. .

According to such a configuration, the shapes of the holder-side fitting portions provided on the first holder member and the second holder member are different from each other, and each winding provided on both ends in the width direction of the winding core is provided. Since the shapes of the core side fitting portions are different from each other so as to be able to fit into the respective holder side fitting portions, at both end portions of the core,
Only one of the first holder member and the second holder member can be attached to one side end.

According to a seventh aspect of the invention, there is provided an electronic apparatus including the roll sheet unit according to any one of the first to sixth aspects.

According to such a configuration, the electronic apparatus is provided with the roll sheet unit in which the winding cores having different widths are easily mounted.

[0021]

FIG. 1 is a plan view showing a main part of a cutting printer 11 as one embodiment of an electronic apparatus according to the present invention. FIG. 2 is a sectional side view of a main part of the cutting printer 11 shown in FIG. FIG.

1 and 2, the cutting printer 11 supports a tack sheet 13 as a sheet wound in a frame 12 having frame side walls 9 and 10 provided on both right and left sides. Roll sheet unit 14, a transport mechanism 15 as transport means capable of transporting the tack sheet 13 in both forward and reverse directions, and a cutting mechanism as cutting means for cutting the tack sheet 13 transported by the transport mechanism 15. Part 1
6 and an image forming mechanism 17 which is disposed upstream of the cutting mechanism 16 when the tack sheet 13 is transported in the forward direction and serves as an image forming means for forming a predetermined image on the tack sheet 13. Is provided.

The roll sheet unit 14 includes a core 25 around which the tack sheet 13 is wound, which will be described in detail later,
A roll holder 33 for supporting the core 25 is detachably attached to one end of the frame 12. The tack sheet 13 wound around the core 25 is composed of two layers: an adhesive sheet having a printable front surface and an adhesive applied to the back surface, and a release paper bonded to the back surface of the adhesive sheet. Have been.

As shown in FIG. 2, the transport mechanism 15 is a platen roller 2 which is a component of the image forming mechanism 17.
0 and a first transport roller 18 and a second transport roller 19 that are disposed on both sides of a cutter unit 27, which is a component of the cutting mechanism 16 in the transport direction of the tack sheet 13. ing. The platen roller 20 is rotated so as to convey the tack sheet 13 in the forward and reverse directions via the first gear train 22 by the forward / reverse drive of a first drive motor 21 disposed in the frame 12. Further, the first transport roller 18 and the second
The transport roller 19 causes the second gear train 24 (only appearing in FIG. 2) to be driven by the forward / reverse drive of a second drive motor 23 (shown only in FIG. 2) disposed in the frame 12. The tack sheet 13 is rotated to convey the tack sheet 13 in the forward and reverse directions. The forward / reverse drive of the first drive motor 21 is also configured to be transmitted to a gear 56 of a first holder member 38 to be described later via the first gear train 22. Only when the illustrated planetary gears convey the tack sheet 13 in the reverse direction,
The winding core 25 is rotated in the direction in which the tack sheet 13 is wound by meshing with the gear 56.

The cutting mechanism 16 includes a cutting bet 26 for receiving the tack sheet 13, and a cutter unit 27 opposed to the cutting bet 26 with the tack sheet 13 interposed therebetween.
And a carriage 28 to which the cutter unit 27 is detachably attached.

The cutter unit 27 has a cutter 29 at the lower end thereof for cutting the tack sheet 13. The cutter 29 is entirely cut by the lifting mechanism (not shown) in the cutter unit 27 together with the adhesive sheet to release the release paper. It is selectively supported at a cutting position and a half-cut position where only the adhesive sheet is cut.

The carriage 28 is connected to one end of an endless timing belt 72 which is stretched over a pair of pulleys 30 and 31 disposed outside the frame side walls 9 and 10 of the frame 12, and is connected to a pair of endless timing belts 72. One of the pulleys 30 and 31 is a third pulley (not shown).
Driven by a drive motor. As a result, the carriage 28 is reciprocated in a direction substantially perpendicular to the transport direction of the tack sheet 13 (the sheet width direction). Further, the carriage 28 has a solenoid (not shown) whose end on the side where the cutter unit 27 is mounted is connected to the end on the side where the timing belt 72 is connected to the guide shaft 36 (appears only in FIG. 2). The lower end of the cutter unit 27 is placed on the upper surface of the cutting bed 26 by the urging force of a spring (not shown) when the solenoid is in the ON state (excited state). When the solenoid is in the off state (non-excited state), the end of the carriage 28 on the side where the cutter unit 27 is mounted is swung upward by the operation of the solenoid. The cutter unit 27 is operated so that the lower end side is separated from the upper surface of the cutting bed 26.

The image forming mechanism 17 has a line-type thermal head 32 as a print head having a length substantially equal to the width of the tack sheet 13 and faces the thermal head 32 with the tack sheet 13 interposed therebetween. And a platen roller 20 to be used. Note that a sensor unit 68 described later is provided on the side of the roll sheet unit 14.

Next, the operation of the thus-configured cutting printer 11 will be described. When a power source (not shown) is turned on and a CPU (not shown) receives an operation start command, the first drive motor 21 and the second drive motor 23 are driven to rotate forward, and the platen roller 20, the first transport roller 18, and the second transport roller 19 is rotated so as to convey the tack sheet 13 in the forward direction. As a result, the tack sheet 13 enters the image forming mechanism 17, that is, between the thermal head 32 and the platen roller 20. A predetermined image such as a character is formed on the entered tack sheet 13 by driving the heating elements of the thermal head 32. Then, the tack sheet 13 on which the predetermined image is formed is then conveyed to the cutting mechanism 16.

The tack sheet 13 conveyed to the cutting mechanism 16 is, for example, half-cut so as to surround a portion where a predetermined image is formed, and then cut in the width direction of the tack sheet 13. That is, at the time of the half cut, the solenoid is turned on at the start position of the half cut while the cutter 29 is supported at the half cut position by the lifting mechanism (not shown),
As a result, the cutter unit 27 is attached to the tack sheet 13.
Contacted. Then, the first drive motor 21 and the second
By driving the drive motor 23 in the forward rotation direction and the reverse rotation direction, and by transporting the tack sheet 13 in the forward direction and the reverse direction, only the adhesive sheet is cut along the transport direction. Along with the cutting, the third drive motor is driven to rotate forward and backward, and the carriage 28 is reciprocated in the width direction of the tack sheet 13, so that only the adhesive sheet is cut along the width direction. First drive motor 2
A predetermined image on the tack sheet 13 is formed by simultaneously and relatively performing the forward rotation drive and the reverse rotation drive of the first and second drive motors 23 and the forward rotation drive and the reverse rotation drive of the third drive motor. The part that was
It is half-cut into an arbitrary shape such as a rectangular shape or an elliptical shape.

Next, at the time of full cutting, the cutter 29
Is turned on in a state where it is supported at all cutting positions by an elevating mechanism (not shown), the cutter unit 27 abuts on the tack sheet 13, and then the carriage 28 is driven by the third drive motor to move the tack sheet 13.
The tack sheet 13 is entirely cut along the width direction.

The roll sheet unit 14 shown in FIG. 3 to FIG. 21 is attached to the cutting device 11 of the present embodiment thus configured. FIG.
4 to 6 are a left side view, a front view, and a right side view of the first holder member, showing a partial cross section showing the configuration of the roll sheet unit 14, and FIGS.
FIG. 5 is a left side view, a front view, and a right side view of the second holder member. FIGS. 10 to 15 are a left side view and a front sectional view, respectively, showing cores 25 having different widths.
6 to 21 are a front sectional view and a front view showing a state where the roll holders are respectively mounted on the cores 25 having different widths.

As shown in FIG. 3, the roll sheet unit 14 includes a core 25 on which the tack sheet 13 is wound in a roll, and a roll holder 33 on which the core 25 is supported.

The winding core 25 is formed of resin and has a cylindrical shape having a width (length) substantially equal to the width of the tack sheet 13 as shown in FIGS. Therefore, for the tack sheets 13 having different widths, the cores 25 having substantially the same width (length) as the width of the tack sheet 13 are individually prepared. 10 to 15, the core 25 corresponds to the width of the tack sheet 13, for example, the core 2 shown in FIGS. 10 and 11.
The width of the core 25 shown in FIGS. 12 and 13 is shorter than the width of FIG. 5, and the width of the core 25 shown in FIGS. 14 and 15 is shorter than the width of the core 25 shown in FIGS. It is configured.

Further, a first holder side projection 42 and a second holder side projection 49, which will be described later, are inserted into both end portions in the width direction of the core 25 as a core side fitting portion. 1
A core side recess 57 and a second core side recess 58 are formed. The first core side recess 57 and the second core side recess 5
8 is a position facing each other at both ends of the core 25,
The inner surface of the core 25 is formed by recessing the inner peripheral surface of the core 25 so as to form a rectangular shape in a plan view toward the inside of the core 25, and the width of the tack sheet 13 is reduced as shown in FIGS. Correspondingly, the opening width (the length in the circumferential direction of the winding core 25) is formed to be different. further,
The opening width is also different between the first core-side recess 57 and the second core-side recess 58. More specifically, as shown in FIGS. 11, 13 and 15, as the core 25 becomes shorter, the first core side recess 57
In addition, the opening width of the first core-side recess 57 is made smaller than the opening width of the second core-side recess 58 in each core 25. Are also formed short.

Further, a position different from the position where the first core-side concave portion 57 and the second core-side concave portion 58 are formed at both end portions of the core 25 is provided as another core-side fitting portion. Third
A plurality of core side recesses 59 are formed for each side end.
In the present embodiment, the third core-side concave portion 59 is directed toward the inside of the core 25 so as to receive a third holder-side protrusion 55 provided on the second holder member 35 described later. It is formed so that the inner peripheral surface of the core 25 is depressed, and is formed at a predetermined interval in the circumferential direction of the core 25.

The roll holder 33 is made of resin, and has a first holder member 34 and a second holder member 35 arranged at both end portions of the core 25, respectively.

As shown in FIGS. 4, 5 and 6, the first holder member 34 has a substantially disc-shaped first flange portion 37,
The first flange portion 37 protrudes outward in the width direction of the core 25, is concentric with the first flange portion 37, and
A cylindrical first outer protrusion 38 having a diameter smaller than that of the flange 37, and a state in which the first protrusion 37 protrudes inward in the width direction of the core 25 from the first flange 37 and is inserted into a cylindrical hole of the core 25. And a cylindrical first inner protruding portion 39 abutting on the inner peripheral surface of the cylindrical hole. First outer protrusion 38
A support shaft 60 formed concentrically with the first outer protrusion 38 is provided so as to protrude outward in the width direction of the winding core 25, and is provided on the outer periphery of the first outer protrusion 38. Is
A gear 56 is formed over the entire circumference, and the gear 5
6 is configured to mesh with the planetary gears of the first gear train 22 as described above.

The first inner protruding portion 39 is provided on the first flange 3
7, and has a smaller diameter than the first flange portion 37 and a larger diameter than the first outer protrusion portion 38, and has a holder side formed as a ridge on its outer peripheral surface. A first holder-side protrusion 42 as a fitting portion is provided. The first holder-side projection 42 is formed with a plurality of steps such that the space between both side walls is gradually reduced toward the inside of the core 25. More specifically, the first holder-side protrusion 42 faces inward of the winding core 25 on the support plate 37 side of the inner protrusion 39 and is formed in parallel with a predetermined interval therebetween. One side wall 43
a, and a first front wall 44a formed by being bent in a substantially right angle direction so as to face inward from the first side walls 43a,
Second side walls 43 formed by bending the first front wall 44a in a direction substantially perpendicular to the inner side of the core 25 again.
b, and a second front wall 44b formed by being bent in a substantially right angle direction so as to face inward from the second side walls 43b,
Third side walls 43 formed by bending substantially perpendicularly from the second front wall 44b so as to face the inside of the core 25 again.
c, and a third front wall 44c formed by bending the third side walls 43c in a substantially right angle direction so as to face inward from each other. Then, these side walls 43a, 4a
3b and 43c and each front wall 44a, 44b and 44c
And a plurality of steps 45a and 45b (in FIG. 5,
The first front wall 44a and the second side walls 43b form a first step 45a, and the second front wall 44b and the third side walls 43c form a second step 45b. ) Is formed. Also, at the tip of the inner protruding portion 39,
A female joint portion 41 having an engaging portion 40 is formed. As shown in FIG. 6, a plurality of radially extending ribs 61 are provided between the inner protruding portion 39 and the female joint portion 41.

As shown in FIGS. 7, 8, and 9, the second holder member 35 includes a substantially disk-shaped second flange portion 46,
The second flange portion 46 protrudes outward in the width direction of the core 25, is concentric with the second flange portion 46, and
A second outer projecting portion 47 having a smaller diameter than the flange portion 46; and a second outer projecting portion 47 projecting inward from the second flange portion 46 in the width direction of the core 25 and inserted into the cylindrical hole of the core 25. It is constituted by a cylindrical second inner protruding portion 48 which is in contact with the inner peripheral surface of the hole.

The second inner protruding portion 48 is formed on the second flange portion 4.
6 and a diameter smaller than the second flange portion 46, and slightly smaller than the second outer protrusion 47, and a holder formed as a ridge on the outer peripheral surface thereof. A second holder side projection 49 is provided as a side fitting portion. The second holder-side protrusion 49 is formed with a plurality of steps that gradually reduce the distance between both side walls toward the inside of the core 25. More specifically, the second holder-side protrusion 49 is formed with a second inner protrusion 48.
On the side of the second flange portion 46, a fourth side wall 50a formed in parallel to the core 25 at a predetermined interval and facing inward of the core 25, and faces inward from the fourth side wall 50a. Formed in a direction substantially perpendicular to the
A front wall 51a, a fifth side wall 50b formed by being bent substantially perpendicularly from the fourth front wall 51a toward the inside of the winding core 25 again, and inward from the fifth side wall 50b. Fifth, formed by bending in a substantially right angle direction so as to face
A front wall 51b, a sixth side wall 50c formed by bending in a substantially right-angle direction from the fifth front wall 51b again toward the inside of the core 25, and inward from the sixth side wall 50c. The sixth is formed by bending in a substantially right angle direction to face
It is composed of a front wall 51c. Each of these side walls 50a, 50b and 50c and each of the front walls 51a, 51b
And 51c and a plurality of steps 52a and 52b (FIG. 8).
In the above, a third step portion 52a is formed by the fourth front wall 51a and the fifth side walls 50b, and a fourth step portion 52b is formed by the fifth front wall 51b and the sixth side walls 50c. ) Is formed. Further, the shape of the second holder-side protrusion 49 is formed so as to be different from the shape of the first holder-side protrusion 42, and more specifically, each side wall 50 a of the second holder-side protrusion 49. , 50b and 50c, the side walls 43a of the first holder-side protrusion 42,
It is formed to be longer than the length between 43b and 43c. Also, at the tip of the second inner protruding portion 48,
A male joint 54 having an engaging claw 53 that engages with the engaging portion 40 formed at the tip of the first inner protrusion 39 is formed. In addition, on the outer peripheral surface of the second inner protruding portion 48, a plurality of the plurality of third receivable portions 59 received in the third core reentrum 59 of the core 25 are located at positions different from the positions where the second holder-side protruding portions 49 are formed. The three holder-side protrusions 55 are provided at predetermined intervals in the circumferential direction.

Then, as shown in FIG. 3, a tack sheet 1 is placed between the first holder member 34 and the second holder member 35.
With the core 25 around which 3 is wound sandwiched,
The first inner projecting portion 39 of the first holder member 34 is inserted into the cylindrical hole of the core 25, and the second inner projecting portion 48 of the second holder member 35 is inserted into the cylindrical hole of the core 25. The engaging claw 53 of the male joint portion 54 and the engaging portion 40 of the female joint portion 41 are connected in the cylindrical hole. by this,
As shown in FIGS. 16 and 17, the first holder member 34 and the second holder
The holder member 35 is connected to the first holder member 34, and the first inner protrusion 39 of the first holder member 34 and the second holder member 35
The roll holder 33 is mounted on the core 25 by contacting the inner protruding portions 48 with the inner peripheral surface of the core 25. In this assembly, the plurality of third holder-side protrusions 55 provided on the second holder member 35 are inserted into the third core-side concave portions 59 of the core 25. Thereby, the movement and relative rotation of the winding core 25 in the width direction with respect to the roll holder 33 are regulated, and as a result, the roll holder 3
3 and the winding core 25 are configured to rotate.

In such mounting, the first core-side recess 57, the second core-side recess 58, and the third core-side recess 59 provided in the core 25 correspond to the width of the tack sheet 13. Each of the cores 25 having a different width fits into the first holder-side protrusion 42, the second holder-side protrusion 49, and the third holder-side protrusion 55 corresponding to the respective width. It is supported by the roll holder 33 in such a state.

For example, as shown in FIG. 10 and FIG. 11, the width of the core 25,
The second core side recessed portion 58 is formed to have a length substantially corresponding to the length between the first side walls 43 a of the holder-side protrusion 42, and the width of the second core-side concave portion 58 is set to the fourth length of the second holder-side protrusion 49. Both side walls 50a
The first holder member 34 and the second holder member 3 are attached to the core 25 having a length substantially corresponding to the length between the first holder member 34 and the second holder member 3.
When the first holder 5 is mounted, the first holder-side protrusion 42 is provided in the first core-side recess 57 and along the first side walls 43a of the first holder-side protrusion 42, as shown in FIGS. And the second holder-side protrusion 49 is inserted into the second core-side recess 58 and the fourth side walls 50 a of the second holder-side protrusion 49.
Along the third holder side protrusion 55
It will be in the state where it fits in the core side recess 59.

The width of the core 25 as shown in FIGS. 12 and 13, ie, the first core side concave portion 57, is substantially equal to the length between the second side walls 43b of the first holder side projection 42. And the second core recess 5
8 has a width substantially equal to the length between the fifth side walls 50b of the second holder-side protrusion 49.
5, when the first holder member 34 and the second holder member 35 are mounted, as shown in FIG. 18 and FIG.
The first holder-side protrusion 42 is received in the first core-side recess 57 along the second side walls 43b of the first holder-side protrusion 42 and is brought into contact with the first front wall 44a. A state in which the holder-side protrusion 49 is received in the second core-side recess 58 along the fifth side walls 50b of the second holder-side protrusion 49 and abuts on the fourth front wall 51a, ie, Core 25
Are brought into contact with the first step 45a of the first holder member 34 and the third step 52a of the second holder 35. Further, the third holder-side protrusion 55 is fitted into the third core-side recess 59.

Further, the width of the core 25 as shown in FIGS. 14 and 15, ie, the width of the first core side concave portion 57 is substantially equal to the length between the third side walls 43c of the first holder side projection 42. And the width of the second core recess 58 is substantially equal to the length between the sixth side walls 50c of the second holder-side protrusion 49. A first holder member 34 and a second holder member 35
20 and 21, the first holder-side protrusion 42 is provided in the first core-side recess 57 and along the third side walls 43c of the first holder-side protrusion 42, as shown in FIGS. While being received and abutting on the second front wall 44b, the second holder-side protrusion 49 is received in the second core-side recess 58 along the sixth side walls 50c of the second holder-side protrusion 49. In this state, the two ends of the core 25 are in contact with the fifth front wall 51b.
And the fourth holder 52b of the second holder member 35. In addition, the third holder side protrusion 55
It will be in the state where it fits in the core side recess 59.

The roll sheet unit 14 thus configured is detachably mounted in the frame 12 as follows. That is, a support hole 67 for rotatably receiving the support shaft 60 of the first holder member 34 is formed in the frame side wall 10, while a second outer protrusion of the second holder member 35 is formed on the frame side wall 9 side. A unit support member 71 for rotatably receiving the portion 47 is provided. The support shaft 60 is inserted into the support hole 67.
Are inserted, and the second outer protrusion 47 is received by the unit support member 71, so that the roll sheet unit 14 is rotatably mounted in the frame 12.

In the roll sheet unit 14 of the present embodiment configured as described above, the first core-side concave portion 57 and the second core-side concave portion 58 provided on the core 25 correspond to the cores 25 having different widths. The first holder-side protrusion 42 and the second holder-side protrusion 49 provided on the roll holder 33 correspond to the respective forms (opening widths). Therefore, the roll holders 33 are fitted to the winding cores 25 having different widths so that the roll holders 33 have different fitting positions. Therefore, even when the roll holders 33 are mounted on the cores 25 having different widths, a plurality of types of cores 25 having different widths can be supported by one type of roll holder 33. Therefore, each time the width of the tack sheet 13 is different,
It is not necessary to manufacture each roll sheet unit 14 corresponding to the width, and the roll holder 33 is provided with a flange portion (for example, the first flange portion 37 or the second flange portion 46) which abuts against the side end of the core 25. ) Does not need to have a complicated configuration such that it can be slidably moved in the width direction of the tack sheet 13, and the tack sheets 13 having different widths can be easily attached to the roll sheet unit 14 with a simple configuration. be able to.

In this fitting, the core-side fitting portion is formed as a first core-side recess 57, a second core-side recess 58, and a third core-side recess 59. The side fitting portions are formed as the first holder-side protrusion 42, the second holder-side protrusion 49, and the third holder-side protrusion 55, and are formed by these protrusions and the concave portions. 25
The roll holder 33 is easily and reliably mounted on the main body.

The first holder-side protrusion 42 has a first step 45a and a second step 45b, and the second holder-side protrusion 4b.
9, a third step portion 52a and a fourth step portion 52b are formed, and these step portions are configured to abut against the winding cores 25 having different widths. Roll holder 33 for cores 25 having different widths
Can be mounted easily while the roll holder 33 can be reliably positioned by each step.

In the roll sheet unit 14 shown in FIGS. 3 to 21, a first core side recess 57 and a second core side recess 58 are provided at both ends in the width direction of the core 25, respectively. Since the first holder member 34 is formed with the first holder-side protrusion 42 and the second holder member 35 is formed with the second holder-side protrusion 49, Regardless of the width of the core 25, between the first holder member 34 and the second holder member 35,
The core 25 can always be arranged at a fixed position.
That is, in the embodiments shown in FIGS. 18 and 19 and the embodiments shown in FIGS. 20 and 21, the core 25 is arranged at the center between the first holder member 34 and the second holder member 35. . By arranging the core 25 in the center between the first holder member 34 and the second holder member 35 as described above, the skew of the tack sheet 13 sent out from the roll sheet unit 14 is reduced, and the tack sheet 13 The transfer accuracy can be improved.

Further, in the roll sheet unit 14, the shape of the first holder-side protrusion 42 provided on the first holder member 34 and the shape of the second holder-side protrusion 49 provided on the second holder member 35 (both side walls) are provided. And the shape (opening width) of the first core-side concave portion 57 and the second core-side concave portion 58 provided in the core 25 is corresponding to each other. Is different. Therefore, the core 2
5, only one of the first holder member 34 or the second holder member 35 can be attached to one of the side ends without fail, so that the first holder member 34 and the second The two holder members 35 can be prevented from being erroneously mounted in the opposite direction, and damage or malfunction of the device can be avoided.

Therefore, the cutting printer 11 having such a roll sheet unit 14 can easily attach the tack sheets 13 having different widths, thereby reducing the cost and improving the operability of the apparatus. Can be.

In this embodiment, the first holder member 3
The first holder-side protrusion 42 and the second holder-side protrusion 49 provided on each of the fourth holder member 35 and the second holder member 35
A plurality of steps are formed so that the distance between both side walls is gradually reduced toward the inside of 5, and the shape is left-right symmetrical. A left-right asymmetric shape in which a plurality of steps are formed may be used.

In this embodiment, the first holder-side projection 42 and the second holder-side projection 49 are connected to the first holder member 3.
Although only one is provided for each of the fourth and second holder members 35, a plurality may be provided. At this time, by changing the interval and the number of the plurality of first holder side members 42 and the plurality of the second holder side projections 49, the core 25
Therefore, it is possible to prevent the first holder member 34 and the second holder member 35 from being attached by mistake.

FIGS. 22 to 40 are for explaining a roll sheet unit 14 of another embodiment different from the roll sheet unit 14 of the above embodiment. FIG. 22 is an exploded front view showing a configuration of a roll sheet unit 14 of another embodiment, including a partial cross section, and FIG.
3 to 25 are a left side view, a front view, and a right side view of the first holder member 34 shown in FIG. 22, and FIGS. 26 to 28 are left side views of the second holder member 35 shown in FIG. It is a front view and a right side view. FIGS. 29 to 34 are a left side view and a front sectional view, respectively, showing the cores 25 having different widths to which the first holder member 34 and the second holder member 35 shown in FIGS. 23 to 28 are attached. 35 to 40 are a front sectional view and a front view showing a state where the roll holders 33 are mounted on the cores 25 having different widths shown in FIGS. 29 to 34, respectively. In FIGS. 22 to 40, the same members as those of the roll sheet unit 14 of the above-described embodiment are denoted by the same reference numerals.

The roll sheet unit 14 of the embodiment shown in FIGS. 22 to 40 is different from the roll sheet unit 14 of the embodiment described above in that the core 25 has no second core side recess 58 formed therein. Correspondingly, the second holder member 35 does not have the second holder-side protrusion 49 formed thereon, and the winding core 25 has a second winding member as shown in FIGS. 29 to 34. Instead of the core-side recess 58, two core-side windows 63 and 64 having a rectangular shape in plan view and extending in the circumferential direction are formed in parallel at a predetermined interval, and the second holder member 35 As shown in FIGS. 22 and 27, the second inner projection 47 is formed in substantially the same shape and arrangement as the core-side windows 63 and 64 instead of the second holder-side projection 49. One holder side window 65 In which preliminary 66 is formed. Note that a plurality of windows 63, 64, 65, and 66 may be formed in the circumferential direction.

When the roll sheet unit 14 is configured in this manner, as shown in FIGS. 35 to 40, when the roll holder 33 is mounted on the core 25,
First core side recess 57 provided only on one side of core 25
And the first holder-side protrusion 42 provided only on the first holder member 34 are fitted. On the other hand, the side end of the core 25 on which the first core-side concave portion 57 is not provided is the core. Irrespective of the width of 25, the second holder member 35 is always in contact with the second flange portion 46. Therefore, for example, when an optical sensor 62 described later for detecting information such as the type of the tack sheet 13 is provided so as to swing in the cylindrical hole of the winding core 25 so as to be able to advance and retreat, the roll sheet unit 14 By arranging the optical sensor 62 on the side where the first core side concave portion 57 is not provided, the swing range of the optical sensor 62 can be shortened, or the tack sheet 13 pulled out from the roll sheet unit 14 can be
In the case where a guide member for guiding the tack sheet 13 in the width direction is provided, the guide member is fixed on the side of the roll sheet unit 14 where the first core recess 57 is not provided. For example, the device configuration can be simplified.

Further, the relationship between the roll sheet unit 14 and the optical sensor 62 will be described in detail with reference to FIG. In FIG. 41, the optical sensor 62 is for detecting a bit pattern formed on the back surface of the tack sheet 13. The bit pattern is provided with information such as the type of the tack sheet 13, that is, the sheet width, thickness, and material. The sensor 62 detects the information and determines the sheet. The reciprocating range of the carriage 28 is set according to the width, the amount of protrusion of the cutter 29 is set according to the thickness of the tack sheet 13, or the thermal head is set according to the type and material of the tack sheet 13. 3
The driving condition of the second heating element is set, that is, the condition of the apparatus according to the type of the tack sheet 13 used at that time is set.

In FIG. 41, the optical sensor 62 is attached to a sensor unit 68 disposed on the side of the roll sheet unit 14 in the frame 12. The sensor unit 68 includes a swing arm 69 bent in a V shape and a swing shaft 70 for swingably supporting a base end of the swing arm 69. The optical sensors 62 are provided as a pair at the tip of the. The swing arm 69 is pivoted about the swing shaft 70 and the optical sensor 62 is connected to the holder side windows 65 and 6.
41 and a detection position inserted into the cylindrical hole of the core 25 so as to face a bit pattern formed on the back surface of the tack sheet 13 via the core side windows 63 and 64 (in FIG. And a retracted position (represented by a solid line in FIG. 41), which retracts from the inside of the cylindrical hole of the winding core 25 and is located along one of the frame side walls 9.
And can be swung.

The sensor unit 6 shown in FIG.
If the roll sheet unit 14 shown in FIGS. 35 to 40 is attached to the cutting printer 11 having the
Core-side windows 63 and 64 formed on the second holder member 35 and holder-side windows 65 and 66 provided on the second holder member 35
Is always constant and the second flange 46
Will be placed near the Therefore, as long as the swing arm 69 is always swung within a fixed short swing range,
Since the bit pattern can be detected by the optical sensor 62, the configuration of the device can be simplified.

The present invention is also applicable to a device provided with only one of the image forming mechanism 17 and the cutting mechanism 16, for example, a printer or a cutting device.

[0063]

As described above, according to the first aspect of the present invention, the core side fitting portion provided on the core and at least one of the first holder member and the second holder member are provided. Since the fitting position with the holder-side fitting portion is different from each other with respect to the winding cores having different widths, even when the roll holder is mounted on the winding cores having different widths, one type of roll is required. A plurality of types of winding cores having different widths can be supported by the holder. Therefore, it is not necessary to prepare a roll sheet unit corresponding to the width of the sheet every time the width of the sheet is different. Further, the flange which abuts on the side end of the core in the roll holder is slid in the width direction of the sheet. Sheets having different widths can be easily mounted on the roll sheet unit with a simple configuration without requiring a complicated configuration as possible.

According to the second aspect of the present invention, the fitting portion on the holder side is formed as a projection, and the fitting portion on the core side is formed as a concave portion. Thus, the roll holder can be easily and reliably mounted on the cores having different widths.

According to the third aspect of the present invention, when the roll holder is mounted on the cores having different widths, each step formed on the projecting portion corresponds to each of the cores having different widths. Since the roll holders are in contact with each other, the roll holder can be easily mounted even if the cores having different widths can be reliably positioned by each step.

According to the fourth aspect of the present invention, regardless of the width of the core, the core on which the roll holder is mounted is the side of the core on which the core side fitting portion is not provided. The end is
It comes into contact with either the first holder member or the second holder member without the holder-side fitting portion at the same position at all times. Therefore, for example, when a sensor for detecting information such as the type of the sheet is provided so as to swing back and forth in the cylindrical hole of the core, the core-side fitting portion of the roll sheet unit and the holder are provided. By arranging the sensor on the side where the side fitting part is not fitted,
If the swing range of the sensor can be shortened, or if a guide member for guiding the sheet pulled out from the roll sheet unit along the width direction of the sheet is provided, the guide member may be rolled. The device configuration can be simplified, for example, the seat unit can be fixed on the side where the core-side fitting part and the holder-side fitting part are not fitted.

According to the invention set forth in claim 5, according to claim 1,
In the invention described in any one of (3) to (3), regardless of the width of the core,
It can always be arranged at a fixed position between the first holder member and the second holder member. Therefore, even if the cores have different widths, for example,
By arranging the sheet at the center between the holder member and the second holder member, the skew of the sheet sent from the roll sheet unit can be reduced, and the sheet conveyance accuracy can be improved.

According to the sixth aspect of the present invention, only one of the first holder member and the second holder member can be attached to one end of both ends of the core. It is possible to prevent the first holder member and the second holder member from being erroneously attached to the core, and to avoid damage or malfunction of the device.

According to the seventh aspect of the present invention, since the electronic apparatus can be provided with the roll sheet unit in which the winding cores having different widths are easily mounted, the cost can be reduced and the apparatus can be reduced. Operability can be improved.

[Brief description of the drawings]

FIG. 1 is a main part plan view of a cutting printer as one embodiment of an electronic apparatus of the present invention.

FIG. 2 is a sectional side view of a main part of the cutting printer shown in FIG.

FIG. 3 is an exploded front view showing a configuration of a roll sheet unit of the cutting printer shown in FIG. 1, including a partial cross section.

FIG. 4 is a left side view of the first holder member shown in FIG. 3;

FIG. 5 is a front view of the first holder member shown in FIG. 3;

FIG. 6 is a right side view of the first holder member shown in FIG.

FIG. 7 is a left side view of the second holder member shown in FIG.

FIG. 8 is a front view of a second holder member shown in FIG. 3;

9 is a right side view of the second holder member shown in FIG.

FIG. 10 is a left side view of a core mounted on the roll holder shown in FIG. 3;

FIG. 11 is a front sectional view of the core shown in FIG. 10;

FIG. 12 is a left side view of a winding core having a shorter width than the winding core shown in FIG. 10;

FIG. 13 is a front sectional view of the core shown in FIG. 12;

FIG. 14 is a left side view of a winding core having a shorter width than the winding core shown in FIG. 12;

FIG. 15 is a front sectional view of the core shown in FIG. 14;

FIG. 16 is a front sectional view of the roll sheet unit showing a state where the roll holder is mounted on the core shown in FIG. 11;

FIG. 17 is a front view of the roll sheet unit shown in FIG.

FIG. 18 is a front sectional view of the roll sheet unit showing a state where the roll holder is mounted on the core shown in FIG. 13;

19 is a front view of the roll sheet unit shown in FIG.

20 is a front sectional view of the roll sheet unit showing a state where the roll holder is mounted on the core shown in FIG.

21 is a front view of the roll sheet unit shown in FIG.

22 is an exploded front view showing a configuration of a roll sheet unit different from the roll sheet unit shown in FIG. 3, including a partial cross section.

FIG. 23 is a left side view of the first holder member shown in FIG. 22.

24 is a front view of the first holder member shown in FIG.

FIG. 25 is a right side view of the first holder member shown in FIG. 22.

FIG. 26 is a left side view of the second holder member shown in FIG. 22.

FIG. 27 is a front view of the second holder member shown in FIG. 22.

FIG. 28 is a right side view of the second holder member shown in FIG. 22.

FIG. 29 is a left side view of a core mounted on the roll holder shown in FIG. 22.

30 is a front sectional view of the core shown in FIG. 29.

FIG. 31 is a left side view of the core having a width smaller than that of the core shown in FIG. 29;

FIG. 32 is a front sectional view of the core shown in FIG. 31;

FIG. 33 is a left side view of a winding core having a shorter width than the winding core shown in FIG. 31.

FIG. 34 is a front sectional view of the core shown in FIG. 33;

FIG. 35 is a front sectional view of the roll sheet unit showing a state where the roll holder is mounted on the core shown in FIG. 30;

FIG. 36 is a front view of the roll sheet unit shown in FIG. 35.

FIG. 37 is a front sectional view of the roll sheet unit showing a state where the roll holder is mounted on the core shown in FIG. 32;

FIG. 38 is a front view of the roll sheet unit shown in FIG. 37.

39 is a front sectional view of the roll sheet unit showing a state where the roll holder is mounted on the core shown in FIG. 34.

FIG. 40 is a front view of the roll sheet unit shown in FIG. 39.

FIG. 41 is a plan view of a main part in a cutting printer in which a roll sheet unit and a sensor unit are arranged.

[Explanation of symbols]

 11 Cutting Printer 13 Tack Sheet 14 Roll Sheet Unit 15 Transport Mechanism 16 Cutting Mechanism 17 Image Forming Mechanism 25 Core 33 Roll Holder 34 First Holder Member 35 Second Holder Member 42 First Holder Side Protrusion 45a Step 45b Step 49 Second holder-side protrusion 52a Step 52b Step 52c Step 55 Third holder-side protrusion 57 First core-side recess 58 Second core-side recess 59 Third core-side recess

Claims (7)

[Claims] 1. An electronic apparatus comprising a conveying unit for conveying a sheet, and at least one of a cutting unit for cutting the sheet and an image forming unit for forming an image on the sheet, and winding the sheet. A roll sheet unit supporting the roll sheet in a turned state, the roll sheet unit including a core on which a roll sheet is wound, and a roll holder for supporting the core; A first holder member and a second holder member respectively disposed at both end portions in the width direction of the core, and the first holder is provided on at least one side end portion in the width direction of the core. A core-side fitting portion that fits into at least one of the member and the second holder member is provided, and a small number of the first holder member and the second holder member are provided. At least one is provided with a holder-side fitting portion that fits into the core-side fitting portion. The core-side fitting portion and the holder-side fitting portion are different in width from each other. A roll sheet unit characterized in that the fitting positions are different from each other with respect to the core. 2. The holder-side fitting portion is formed as a protrusion toward the core-side fitting portion, and the core-side fitting portion is formed as a concave portion that receives the protrusion. The roll sheet unit according to claim 1, wherein: 3. The method according to claim 1, wherein at least one step is formed on the protrusion, and each step comes into contact with the core having a different width. The roll sheet unit according to claim 2. 4. The core-side fitting portion is provided at one side end in the width direction of the core, and the holder-side fitting portion is provided with the first holder member or the second holder member. The roll sheet unit according to any one of claims 1 to 3, wherein the roll sheet unit is provided on any one of the holder members. 5. The core-side fitting portion is provided at both end portions in the width direction of the core, and the holder-side fitting portion is formed of the first holder member and the second holder member. The roll sheet unit according to claim 1, wherein the roll sheet unit is provided on both sides. 6. The shape of the holder-side fitting portion provided on the first holder member and the shape of the holder-side fitting portion provided on the second holder member are different from each other, and the width direction of the core is different. The shape of each of the core-side fitting portions provided on both side end portions of each of the two is different from each other in shape so that they can fit into the respective holder-side fitting portions. The roll sheet unit according to claim 5. 7. An electronic apparatus comprising the roll sheet unit according to claim 1.