JP2921511B2 - Tape end processing unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape edge processing apparatus for cutting an edge of a tape with a cutting blade to perform edge processing.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Patent Publication No. 47-16105, a device for writing symbols, characters, and the like on a tape is used. Is selected, and the selected characters and the like are printed on a tape, and the characters and the like are described on the tape. And cut the tape to a predetermined length with a cutting blade,
Had to be taken out. The cutting blade used in such an apparatus is generally provided with a linear blade or provided with an arc-shaped blade, and cuts a tape end into a straight line or an arc. Met. Further, as disclosed in Japanese Utility Model Publication No. 1-2423, there has been known a method in which a corner of a card or the like is cut by a substantially semicircular cutting blade to round a corner of the card or the like.

[0003]

However, in such a conventional apparatus, when the tape end is cut in a straight line, the corners of the four corners are easily bent or turned up and easily deformed. For this reason, the tape has risen from the surface to which it is attached, becomes very unsightly, and has not only achieved its original purpose of beautifully organizing it, but also has a serious disadvantage that it comes off from each corner. Also, if the surface to which the tape is to be applied is concave and you intend to attach it to the corner of the depression, the corner of the depression is usually somewhat rounded, and the tape should be attached to the corner. There was a problem that can not be.

Further, when the tape end is cut into an arc shape or a semicircle shape, for example, to reduce the margin at the tape end, as shown in FIG. When the character is a vertical bar or an underlined character, the margin may not be reduced because a part of the character may be cut off. In addition, when the tape is to be attached to the depressed surface, the attachment position is usually determined by aligning the end portion with the attachment position, but if the tape end is arc-shaped or semi-circular, positioning is extremely difficult. There was a problem.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a tape end processing apparatus which cuts a tape end into a shape suitable for attaching a tape and hardly peeling off. It is in.

[0006]

In order to achieve this object, a tape end processing apparatus according to claim 1 is provided with a cutting blade for moving an end of the tape toward the tape surface to cut the tape. And the cutting blade has a linear blade along the width direction of the tape, and the linear blade in the tangential direction from the arc-shaped blade connected to both sides of the linear blade. It has a linear auxiliary blade extending at an obtuse angle , the width of the cutting blade is wider than the tape width, and the width of the portion including the linear blade and the arc-shaped blade is the tape width. It is configured to be the same or narrower.

[0007] In the tape end processing apparatus having the above-described structure, the cutting blade moves toward the tape surface and cuts the end of the tape. At this time, the linear blade portion of the cutting blade cuts the end of the tape linearly along the width direction of the tape, and the arc-shaped blade portion of the cutting blade cuts in an arc shape connected to the straight line.
Then, the auxiliary blade of the cutting blade makes a straight line at an obtuse angle with the straight line cut by the straight blade in the tangential direction of the cut arc.

According to a second aspect of the present invention, the width of a portion of the cutting blade including the straight blade and the arc-shaped blade is equal to the minimum width of the tape. ing.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic configuration diagram of a tape end processing apparatus according to an embodiment of the present invention, and FIG. 2 is a perspective view of a printing apparatus provided with the tape end processing apparatus of the present embodiment. As shown in FIG. 2, in the present embodiment, the end portion 6 of the tape 4 printed by the printing device 1 is provided integrally with the upper surface 2a of the housing 2 of the printing device 1 so as to be easily processed. Have been.

First, the printing device 1 will be briefly described. The upper surface 2a of the housing 2 is provided with a rotatable character selection dial 8, and an annular dial surface 10 is provided.
Indicates alphanumeric characters, symbols, signs, and the like. A function key group 14 for performing various controls of the printing apparatus 1 is provided adjacent to the character selection dial 8. The input characters are displayed on the liquid crystal display 16 and printed on the tape 4. Send it out of the housing 2. The fed-out tape 4 is cut by a cutting mechanism (not shown) into a predetermined length before and after a printing portion with a predetermined margin generated from the configuration of the printing apparatus 1 and the like, as shown in FIG. A tape 4 having a predetermined length is created.

Next, a description will be given of a tape end processing unit 20 for processing the end 6 of the tape 4 printed and cut as described above. The tape end processing device 20 is provided on the upper surface 2a of the housing 2, and as shown in FIG.
Part of the housing 2 also serves as the main body 21 of the tape end processing device 20. The upper surface 2a is depressed according to the width of the tape 4 to form a guide groove 22 that can be inserted with the tape surface 4a of the tape 4 facing upward. As shown in FIG. 1, a stop surface 24 is provided in the guide groove 22, the tip of which abuts when the tape 4 is inserted, and restricts further insertion of the tape 4.

A cutter holder 30 made of polyacetal, nylon or the like is provided in the guide groove 22 so as to straddle the inserted tape 4. As shown in FIG. 3, the cutter holder 30 has locking portions 32 on both sides thereof.
(Only one is shown) is formed, and a claw 34 (only one is shown) is provided at the tip. The cutter holder 30 is detachably attached to the main body 21 by engaging the claws 34 with the main body 21.

Then, the tape 4 is attached to the cutter holder 30.
A tape guide portion 36 is provided to prevent the tape 4 from floating when inserted into the guide groove 22, and to guide the tape 4 properly. Further, an elastic portion 38 that extends toward the stop surface 24 substantially in parallel with the tape 4 to be inserted and is elastically deformable is formed.
A cover portion 40 having a hollow inside is provided at the distal end of 8. Further, two presser feet 42, 44 extend obliquely downward from the cover portion 40 toward the tape surface 4a,
The presser feet 42 and 44 are deflected to press the end 6 of the tape 4 against the guide groove 22.

A part of the cover part 40 is cut out, and a holding part 46 suspended toward the tape surface 4a is formed.
Are formed inside the cover part 40. The holding portion 46 is provided with a pin 48 projecting in a direction parallel to the tape surface 4a. Then, the pin portion 48 is inserted into the engagement hole 52 of the cutting blade 50 so that the cutting blade 50 can swing about the pin portion 48. Also,
The diameter of the pin portion 48 is made smaller than the diameter of the engagement hole 52 by a predetermined amount, and the cutting blade 50 is engaged with the pin portion 48 so as to be able to swing back and forth as shown by arrow A in FIG. Blade 50
However, the cutting blade 50 is configured to uniformly and stably hit the tape surface 4a so that the cutting blade 50 can freely swing right and left and back and forth. Note that a rib 51 extending toward the cutting blade 50 is formed inside the cover 40 so that the cutting blade 50 does not come off the pin portion 48.

As shown in FIGS. 4 and 6, the cutting blade 50 has a straight blade portion 5 provided along the width direction of the tape 4.
4 Then, on both sides of the linear blade portion 54, an arc-shaped blade portion 5 having a radius R is connected to the linear blade portion 54, respectively.
6, 58 are formed. In addition, the two arc-shaped blades 5
6 and 58, linear auxiliary blade portions 60 and 62 are provided extending in the tangential direction of the circle having the radius R and so that the angle θ formed with the linear blade portion 54 becomes an obtuse angle. I have.
In this embodiment, the angle θ is set to 120 degrees,
A range of about 105 to 140 degrees is appropriate. Further, as shown in FIG. 7, by setting the angle θ to 120 degrees, it can be recognized that when the tape 4 is cut by the arc-shaped blade portions 56 and 58, the corners are rounded in appearance. If the angle θ is larger than this, it is difficult to recognize that the corners are rounded in appearance.

In this embodiment, the width W of the tape 4 is 1
The width of the cutting blade 50 is shown in FIG.
As shown in FIG. The tape 4 has an error t of the width W of ±
0.5 mm and its minimum width L is 11.5 mm,
In this embodiment, the straight blade portion 54 and the two arc-shaped blade portions 56 and 58 are formed to have the minimum width L corresponding to the minimum width L of the tape 4. That is, the minimum width L
Even when the tape 4 is cut, the corners of the tape 4 are at least rounded by the arcuate blades 56 and 58.
When the width between the straight blade portion 54 and the two arc-shaped blade portions 56 and 58 is made smaller than the minimum width L, the auxiliary blade portion 6 is formed.
The portion cut by 0, 62 becomes large, giving a feeling of being chamfered in a straight line rather than a round shape, and impairing a soft feeling due to the roundness.

On the other hand, when the cutting blade 50 is formed, in this embodiment, a straight blade made of SK material having a Shore hardness of about HS60 is bent into an arc having a radius R, and the straight blade portion 54 is formed. The arc-shaped blade portions 56 and 58 and the auxiliary blade portions 60 and 62 are formed.
At this time, as shown in FIG. 12, although the tip is not smooth, the tip of each blade is wavy, but the tape 4 is not completely cut by using the unevenness. You may use it for what is called a half cut so that an uncut part may appear in a part.

As shown in FIGS. 11 and 12, as a mechanism for performing a half cut, a stainless steel metal plate 70 is attached to the main body 21 in the guide groove 22 opposed to the cutting blade 50 with an adhesive layer 71 interposed therebetween. The cutting blade 50 and the metal plate 70
Is configured to cut the tape 4 between. Further, the adhesive layer 71 or the main body 21 is deflected by the pressing of the cutting blade 50 pressed at the time of cutting, the metal plate 70 is pushed down, and the cutting blade 50 and the metal plate 70 are brought into contact without hitting each other. The tape 4 may be configured to perform a half-cut so that an uncut portion is left on the tape 4 due to the unevenness of the tip of the blade portion.

A lever 64 is rotatably supported by the main body 21, and is pulled by a spring 66 in a direction in which the lever 64 is housed in the main body 21. By swinging in the direction of arrow B against the pulling force of the pulling spring 66, the holding portion 46 of the cutter holder 30 is pushed down, and the elastic portion 38 is pressed.
Is elastically deformed so that the cutting blade 50 can be moved toward the tape surface 4a.

Next, the operation of the tape edge processing apparatus of this embodiment will be described.

First, a tape 4 as shown in FIG. Then, in order to process the end 6 of the tape 4, the user inserts the tape 4 into the guide groove 22, is guided by the tape guide 36, and flexes and lifts the presser feet 42, 44. Tape 4 is stop surface 2
Insert until it touches 4. When the lever 64 is swung in the direction of arrow B against the pulling force of the spring 66, the holding portions 4 of the cutter holder 30 are prevented while the presser feet 42, 44 press the tape 4 to prevent the tape 4 from shifting.
6 is depressed, the cutting blade 50 is moved toward the tape surface 4a to cut the tape, and the end 6 is cut off to perform the end processing.

At the time of this cutting, the straight blade portion 54 of the cutting blade 50
Cuts the tape 4 linearly in parallel with its width direction.
Further, the arc-shaped blade portions 56 and 58 of the cutting blade 50 are connected to the straight line of the tape 4 cut by the linear blade portion 54 and cut into an arc shape having a radius R of the arc-shaped blade portions 56 and 58. Then, the auxiliary blades 60 and 62 of the cutting blade 50 cut in the tangential direction of the arc having the radius R and at an obtuse angle θ with the linear cutting by the linear blade 54. As a result, the end 6 of the tape 4 is cut so as to give a feeling that both corners of the tape 4 are rounded, as shown in FIG. And since the corner of the tape 4 is rounded, it is hard to peel off from the corner. In addition, since a linear portion is also formed by the linear blade portion 54, when the tape 4 is stuck along the edge where the tape 4 is stuck,
The tape 4 can be stuck on the basis of this linear portion, and the tape 4 can be stuck easily.

Further, the width W of the tape 4 varies, and there are a wide tape W and a narrow tape W. Further, the guide groove 22 is formed wider than that so that a guide groove 22 having a large width W can be inserted. Therefore, when the tape 4 is inserted into the guide groove 22, the tape 4
May be in a state of being on one side. Even in this case,
In the present embodiment, as shown in FIG. 8B, the degree of cutting is different at both corners.
6, 58, are cut into an arc shape, and the arc-shaped blade portions 56,
The corners are rounded by the 58 and the auxiliary blades 60 and 62 to the extent that they do not pose a problem in appearance.

On the other hand, the linear blade portion 54 and the auxiliary blade portions 60, 6
2 is close to a right angle, there is no misalignment between the tape 4 and the cutting blade 50 as shown in FIG. 9 (a). It is formed in a state. However, if the position of the tape 4 and the cutting blade 50 do not match due to variations in the width W of the tape 4 and the center of the tape 4 is displaced, and the center is shifted, the corner on one side is assisted as shown in FIG. The blades 60 and 62 are cut long and large, and the other corner is cut small, giving a very unbalanced feeling, which makes the appearance even worse.

For example, when cutting is performed with the auxiliary blades 60 and 62 in a state where the angle θ is very large, as shown in FIG.
When cutting is performed in a state where there is no displacement and their centers are aligned, the corners are formed in a substantially uniform state. But,
It deviates from the shape in which the corners of the tape 4 are rounded. Further, when the tape 4 and the cutting blade 50 do not coincide with each other due to a variation in the width W of the tape 4 and are cut in a state where their centers are shifted, as shown in FIG. Has become so small that it is severely disproportionately cut off.

As described above, the present invention is not limited to such an embodiment, and can be implemented in various modes without departing from the gist of the present invention.

[0028]

As is apparent from the above description, in the tape edge processing apparatus according to the first aspect, the cutting blade has a tapered edge.
Linear blade along the width direction of the blade, on both sides of the linear blade
Wherein the arcuate blade portion which is connected respectively to the tangential linear
It has a linear auxiliary blade part produced at an obtuse angle with the linear blade part, the width of the cutting blade is wider than the tape width, and the width of the part including the linear blade part and the arc-shaped blade part is Since the tape is formed so as to have a width equal to or smaller than the width of the tape, the end of the tape is surely cut into a state where a straight line, an arc on both sides thereof, and a straight line in the tangential direction of the arc are connected. Therefore, since the corner of the tape is rounded, it is hard to peel off from the corner, and since there is also a straight portion, the tape can be easily attached along the edge to be attached, so that the tape can be cut with good appearance.

Further, even if the width of the tape varies, the corner of the tape can be rounded by the arcuate blade and the auxiliary blade.

In the tape end processing device according to the second aspect, the width of the portion including the linear blade portion and the arc-shaped blade portion of the cutting blade is configured to be equal to the minimum width of the tape. At least corners of the tape are reliably rounded by the arcuate blades.

[Brief description of the drawings]

FIG. 1 is a sectional view of a tape edge processing device.

FIG. 2 is a schematic perspective view of a printing apparatus provided with a tape edge processing device.

FIG. 3 is an enlarged perspective view of a cutter holder.

FIG. 4 is an enlarged perspective view of a cutting blade.

FIG. 5 is a front view of a tape created by the printing apparatus.

FIG. 6 is an explanatory view of a cutting blade.

FIG. 7 is an explanatory diagram of an arcuate blade portion of the cutting blade.

FIG. 8 is an explanatory diagram of a tape cut by a cutting blade.

FIG. 9 is an explanatory view of a tape cut by a cutting blade whose angle is close to a right angle.

FIG. 10 is an explanatory diagram of a tape cut by a cutting blade having a large angle difference.

FIG. 11 is a cross-sectional view illustrating a half cut mechanism.

FIG. 12 is an explanatory diagram of irregularities formed when a cutting blade is formed.

FIG. 13 is an explanatory view of a tape cut by a conventional semicircular cutting blade.

[Explanation of symbols]

 Reference Signs List 4 tape 20 tape end processing device 22 guide groove 30 cutter holder 50 cutting blade 54 linear blade 56,58 arc-shaped blade 60,62 auxiliary blade 11

Continuation of the front page (56) References JP-B-47-16105 (JP, B2) JP-B-1-242323 (JP, Y2) (58) Fields investigated (Int. Cl. ⁶ , DB name) B41J 11 / 66-11/70 B41J 3/36-3/37 B26D 1/06-1/11

Claims (2)

(57) [Claims] 1. A cutting blade for moving an end portion of a tape toward a surface of the tape to cut the tape, the cutting blade having a linear blade along a width direction of the tape, and A linear auxiliary blade extending from the arcuate blade connected to both sides of the linear blade at an obtuse angle with the linear blade in the tangential direction thereof, and the width of the cutting blade is a tape. An end processing device for a tape, wherein the width of a portion wider than the width and including the linear blade portion and the arc-shaped blade portion is equal to or smaller than the tape width. 2. The tape edge processing apparatus according to claim 1, wherein a width of a portion including the linear blade portion and the arc-shaped blade portion of the cutting blade is equal to a minimum width of the tape.