JPH07252010A - Tape cutter - Google Patents

Abstract

PURPOSE:To provide a small size and light weight tape cutter whereby a tape can be stuck easily and accurately. CONSTITUTION:A cutting blade 6a and a sector gear 6b are provided on a cutting blade holder 6 which is free to swing by a pressing force from the outside. Also a pinion 5a meshed with a sector gear 6b is provided on a first roller 5 for feeding a tape 2. When a cutting blade holder 6 is pressed, the first roller 5 is rotated reversely so as to pull back and tense the tape 2. In this case, the cutting blade 6a is moved forward so as to cut the tape 2. When the pressing is released, the first roller 5 is rotated in the forward direction so as to feed the tape 2 to a sticking roller 4. Then a guide roller 11 is installed in the traveling direction of the tape cutter, and the tape 2 is stuck by the sticking roller 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape cutter, and more particularly to a tape cutter having a mechanism for automatically applying and cutting an adhesive tape on one or both sides.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Utility Model Laid-Open No. 56-140545.
As a mechanism for adhering and cutting the adhesive tape, No. 6 is provided with a rotating disk provided with a sliding body, which is urged by a spring and vertically moved by pressing or releasing the pressing of a fingertip, and a cutting blade, as a mechanism for sticking and cutting the adhesive tape. . The sliding body is provided with a tape holder, a tongue roller and a rack,
Teeth that engage with the rack are formed on the rotating disk, and a supplementary roller is provided. When the sliding body is pressed against the elastic force of the spring, the rotary disk is rotated by the rack of the sliding body, and one end of the tape is projected by the feeding roller and the tongue-extracting roller from the tape pull-out opening at the bottom of the casing to attach it. It is attached to the surface of the target object. When the casing is moved along the sticking object while the sliding body is pressed, the tape is stuck to the sticking object. When the pressure on the sliding body is released, the sliding body moves upward in the casing,
The rotating disk is rotated in the opposite direction by the sliding rack,
The cutting blade cuts the tape.

Further, for example, in Japanese Utility Model Laid-Open No. Sho 60-75357, an L-shaped pressing holder which is bent by pressing with a fingertip and has spring elasticity in the tape cutter body, is connected to the pressing holder by a circular uneven portion, and has a semicircular shape. A cutting blade rotating holder having a gear part and a cutting blade fixed, and a sticking roller for sticking tape by roller rotation are formed by connecting and combining the molded members. The tape is attached by moving the tape cutter body along the attachment target while the tape is pulled out by the attachment roller. When the pressing holder is pressed, the cutting blade rotating holder rotates, and at the same time, the horizontal toothed portion provided on the tape sticking roller moves upward in conjunction with the rotation of the semicircular gear portion of the cutting blade rotating holder, As a result, the sticking roller holding the pull-out tape slides upward, the anti-slip stopper of the L-shaped pressing holder presses and fixes the tape between the tape pull-out rollers, and the cutting blade advances to cut the tape. When the pressure of the pressure holder is released, the cutting blade holder returns in the reverse rotation, and at the same time, the gear roller meshing with each other causes the adhesive roller to return to the lower roller position at the time of applying.

[0004]

However, in the above-described conventional tape cutters, a member such as a sliding body having a pressing portion that is pressed from the outside with a fingertip and a member such as a rotating body having a cutting blade are separately provided. Since they are molded and combined, the number of parts is large and the structure is complicated. Therefore, there is a problem that the tape cutter becomes large with respect to the tape and the handling is troublesome.

Further, when using a double-sided tape, it is necessary to pull out the tape, attach it, cut it with a tape cutter, peel off the release paper with a fingertip, and discard the release paper as garbage each time. There was a problem that work efficiency was poor. Furthermore, when moving the tape cutter to attach the tape to the attachment target,
There was a problem that it was difficult to apply the tape straight.

[0006] Therefore, a first object of the present invention is to provide a small and lightweight tape cutter which facilitates the tape sticking work and can stick the tape accurately. A second object of the present invention is to provide a tape cutter that has a simple mechanism and a small number of parts and is easy to manufacture.

[0007]

To achieve the above object, in the tape cutter of the present invention, a tape holder for supporting a tape wound like a roller is rotatably provided in the inner part of the case. A tape sticking roller for sticking the tape drawn out from the tape holder is rotatably provided at the tape drawing port at the tip of the case. A first roller for feeding the tape is rotatably provided in the case between the tape holder and the sticking roller, and the first roller is provided with a pinion that integrally rotates. A cutting blade holder that can be pressed from the outside is swingably provided in the case between the tape holder and the sticking roller, and the supporting lever swings coaxially with the swinging central axis of the cutting blade holder. It is movably provided, and a spring for urging the cutting blade holder and the support lever is biased in a mutually repulsive direction. At the tip of the support lever, the first force is exerted by the spring.
The second roller is rotatably provided on the roller so that the tape is elastically contacted with the tape. The cutting blade holder can be engaged with the cutting blade that can be advanced between the first roller and the sticking roller, and the pinion of the first roller. Sector gears are provided for this purpose.

Further, a double-sided tape wound in a roller shape is mounted on the tape holder at the inner part of the case, and the tape holder has a brim portion formed on it. A driving side tooth profile is formed on the outer peripheral portion of the. A release paper holder is rotatably provided in a case adjacent to the tape holder, and a flange portion is formed on the release paper holder, and a drive side tooth profile is meshed with an outer peripheral portion of the flange portion. A passive side tooth profile is formed. The case between the tape holder and the release paper holder is provided with at least one guide for guiding the double-sided tape pulled out from the tape holder.

Further, a pin is provided so as to project from either the case or the cutting blade holder, and an arc-shaped guide groove having a swing center axis as a center is provided on the other side, and the pin and the guide groove are fitted to each other to engage the cutting blade holder. Is used as the swing range control means. Further, a guide roller having an axis parallel to the sticking roller is rotatably provided on the rear end side of the case opposite to the tape outlet.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. In FIGS. 1 and 2, a tape holder 3 is rotatably provided in the inner rear portion on the rear end side of the case 1, and the tape holder 3 supports the tape 2 wound in a roller shape. Has been done. A tape pull-out port 1a is formed at the tip of the case 1, and a sticking roller 4 for sticking the tape 2 pulled out from the tape holder 3 is rotatably provided in the tape pull-out port 1a. . Case 1 between the tape holder 3 and the sticking roller 4
A first roller 5 for feeding the tape 2 is rotatably provided in the. Desirably, if a material having good releasability such as silicon rubber is used for the surface of the first roller 5, it is possible to effectively prevent the adhesive portion of the tape 2 from adhering to the roller and making it difficult to pull out the tape. it can. The first roller 5 is provided with a pinion 5a that rotates integrally.

A swing center shaft 10 is erected on the case 1 between the tape holder 3 and the sticking roller 4, and the shaft 10 is provided with a pressing portion 6d, and a cutting blade which can be pressed from the outside. A holder 6 is swingably provided. Also, this shaft 10
A support lever 7 is also swingably provided in the. A spring 8 that urges the cutting blade holder 6 and the support lever 7 in a mutually repulsive direction is hooked between the cutting blade holder 6 and the support lever 7, and the spring 8 is locked to the cutting blade holder 6 by a claw 6e. The spring 8 is preferably a torsion coil spring as shown, but may be a leaf spring. A second roller 9 is rotatably provided at the tip of the support lever 7, and elastically contacts the first roller 5 with the tape 2 sandwiched by the biasing force of the spring 8. The cutting blade holder 6 is provided with a cutting blade 6 a which can be advanced between the first roller 5 and the sticking roller 4 by being pressed from above. A sector gear 6b capable of meshing with the pinion 5a of the first roller 5 when pressed from the outside is provided under the cutting blade holder 6, and the sector gear 6b moves by the movement of the cutting blade holder 6 to cause the first roller 5 to move. Rotate forward and backward. A guide roller 11 having an axis parallel to the sticking roller 4 is provided on the rear end side of the case opposite to the tape outlet 1a.

The operation of the tape cutter having the above construction will be described. The tape 2 pulled up to the application roller 4
When the adhesive surface of the tape is brought into contact with the object to be adhered, the case 1 is gripped and slid toward the rear end, the tape 2 is adhered to the object to be adhered by the adhesive roller 4. At this time, tape 2
Is held between the first roller 5 and the second roller 9 by the urging force of the spring 8, the tape is not loosened and the tape is not shaken at the time of sticking. Further, since a guide roller 11 having an axis parallel to the sticking roller 4 is provided at the rear end of the case 1, the case 1 is gripped and rotated in the direction of the rear end while rotating the guide roller 11. When the tape 2 is attached by the tape, the case 1 maintains the straight running stability by the attaching roller 4 and the guide roller 11, so that the tape 2 can be attached straight without requiring special skill. The guide roller 11 may be provided at a position slightly inward of the rear end of the case 1 and close to the sticking roller 4 as long as the straight traveling stability of the tape cutter is not impaired.
It is desirable to use an elastic material such as rubber on the surfaces of the sticking roller 4 and the guide roller 11 in order to improve the sticking property of the tape and the straight-line stability of the tape cutter.

Next, the operation of cutting the tape 2 will be described. When the pressing portion 6d of the cutting blade holder 6 is pressed from the outside with a fingertip and the cutting blade holder 6 is pushed down in the direction of the arrow in FIG. It meshes with the pinion 5a of the first roller 5 to rotate the first roller 5 in the reverse direction (clockwise rotation). Since this direction is the direction in which the tape 2 is pulled back, tension acts on the tape 2 and the tape 2 is in a tensioned state between the attaching roller 4, the first roller 5 and the second roller 9. Therefore, as shown in FIG. 3, the tape 2 in a tensioned state is easily cut by the cutting blade 6a that has advanced. In this case, the urging force of the spring 8 gradually increases as the swing angle of the cutting blade holder 6 increases, and the elastic force of the second roller 9 to the first roller 5 gradually increases accordingly. Since the tape 2 is firmly sandwiched, the tension state of the tape between the sticking roller 4 and the first roller 5 is maintained. Therefore, the tape 2 can be cut with a good tension, and the tape is not damaged.

When the pressing force on the cutting blade roller 6 is released, the cutting blade 6a moves upward, so that the sector gear 6b is also shown in FIG.
The first roller 5 having a pinion 5a that meshes with the sector gear 6b rotates forward (counterclockwise) and sends the tape 2 to the sticking roller 4. As a result, the tape 2 can be attached. In the state where the pressing force on the cutting blade holder 6 is completely released, the sector gear 6b is disengaged from the pinion 5a and the first roller 5 is in a free rotation state, so that the tape 2 is smoothly attached. As described above, according to the tape cutter of this embodiment, the tape can be attached and cut continuously and smoothly.

Further, in this embodiment, as a means for restricting the swinging range of the cutting blade holder 6, as shown in FIG. 2, a pin 12 is projectingly provided on the case 1, and the cutting blade holder 6 is fitted on the pin 12. A matching guide groove 6c is provided. Guide groove 6
Since c has an arc shape with the swing center axis 10 of the cutting blade holder 6 as a center, the sliding range of the cutting blade holder 6 can be easily regulated by appropriately setting the length of the guide groove 6c. be able to. The swing range restricting means may be provided with a pin on the cutting blade holder 6 side and a guide groove on the case 1 side.

Next, with reference to FIGS. 4 and 5, an embodiment of the tape cutter according to the present invention will be described in which a release paper winding means is further provided when the double-sided tape is used.

A double-sided tape 22 wound in a roller shape is supported on a tape holder 23 rotatably attached to the inner part of the case 21, and the tape holder 23 has a flange portion 23a. A release paper holder 24 is rotatably provided in a case adjacent to the tape holder 23 having a drive-side tooth profile 23b formed on the outer peripheral portion thereof. Has a collar portion 24a, and a passive side tooth profile 24b is formed on the outer peripheral portion of the collar portion. The tape holder 23 and the release paper holder 24 are positioned so that the driving side tooth profile 23b and the passive side tooth profile 24b mesh with each other. In the case 1 between the tape holder 23 and the release paper holder 24, a first guide 25 for guiding the double-sided tape 22 pulled out from the tape holder 23 and the first guide 25 are provided.
Double-sided tape 22 sent from the guide 25 of the release paper 22
A second guide 26 that guides the release paper 22a to the release paper holder 24 is provided separately from a and the adhesive layer 22b.

When the tape holder 23 rotates forward (counterclockwise) as the double-sided tape 22 is pulled out, the release paper holder 24 rotates backward (clockwise) in conjunction with this.
Then, the release paper 22a is wound up. At this time, at the beginning of winding the release paper 22a, the release paper 22a is loosely taken up by the release paper holder 24, but tightly wound around the release paper holder 24 as the take-up amount of the release paper increases. It is attached.

The adhesive layer 22b passes between the first roller 5 and the second roller 9 and is drawn out to the sticking roller 4,
It is attached to the object to be attached and cut, but this configuration is shown in FIG.
Is substantially the same as the example of FIG.
However, in this case, it is preferable that the sticking roller 4 and the second roller 9 are made of a material having a good peeling property such as silicon rubber on the surface, similarly to the first roller 5. Further, as shown in the figure, if the reverse rotation preventing claw 27 is locked to the drive side tooth profile 23b, the reverse rotation of the tape holder 23 can be prevented, and the release paper holder 24 can be reversed from the winding direction. It is possible to prevent the release paper from sagging by rotating.

In this embodiment, two guides, that is, the first guide 25 and the second guide 26 are provided, but one guide is provided at an intermediate portion between the tape holder 23 and the release paper holder 24. Provide only the guide of the double-sided tape 22 and the release paper 22
It may also serve as separation and guidance of a.

[0021]

As described above, according to the present invention, the swinging blade holder itself having the pressing portion is provided with the blade and the sector gear, and the first roller for feeding the tape meshes with the sector gear. Since the pinion is provided, it is possible to keep the tape in a tension state when cutting the tape to facilitate the cutting of the tape, and after the cutting, the tape can be sent out and prepared for the next attachment, and the operability is improved. Can be extremely high. Further, since it is a simple mechanism and has a small number of parts, it can be provided at a small size and a low weight, and can be easily handled.

Further, when the double-sided tape is used, the release paper is automatically wound up and only the adhesive layer is sent out to the adhesive roller, so that the working efficiency is improved and the waste is successively thrown away. Is also released. further,
Since the guide roller is provided, the straight running stability at the time of attaching the tape is improved, and the accurate work can be performed.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention and is a front view with a part of a case removed.

FIG. 2 is a partially enlarged front view of FIG.

FIG. 3 is a front view showing the operating state of FIG.

FIG. 4 shows an embodiment of the present invention using a double-sided tape, and is a front view with a part of the case removed.

5 is a front view showing the operating state of FIG. 4. FIG.

[Explanation of symbols]

 1 Case 2 Tape 3 Tape Holder 4 Adhering Roller 5 First Roller 5a Pinion 6 Cutting Blade Holder 6a Cutting Blade 6b Sector Gear 6c Guide Groove 7 Support Lever 8 Spring 9 Second Roller 10 Swing Center Axis 11 Guide Roller 12 Pin 21 case 22 double-sided tape 22a release paper 23 tape holder 23a flange 23b drive side tooth profile 24 release paper holder 24a flange 24b passive side tooth profile 25, 26 guide

Claims (4)

[Claims] 1. A tape holder for supporting a tape wound in a roller shape is rotatably provided in the inner back portion of the case, and the tape holder is provided at a tape outlet of the tip of the case. A sticking roller for sticking the tape pulled out from the tape is rotatably provided, and a first roller for sending the tape is rotatably provided in the case between the tape holder and the sticking roller. The first roller is provided with a pinion that rotates integrally, and the case between the tape holder and the sticking roller has a cutting blade holder that can be pressed from the outside. It is movably provided, and a support lever is provided so as to be swingable coaxially with the swing center axis of the cutting blade holder, and the cutting blade holder and the support lever repel each other. If you push in the direction The cutting blade holder is rotatably provided at the tip of the support lever, and is rotatably provided at the tip of the support lever. Includes a cutting blade that can move forward between the first roller and the sticking roller and the pinion of the first roller, and the first roller can be moved by swinging the cutting blade holder. A tape cutter, which is provided with a sector gear for forward and reverse rotation. 2. The tape holder according to claim 1, wherein a double-sided tape wound in a roller shape is mounted on the tape holder, and the tape holder has a brim portion formed thereon. A drive-side tooth profile is formed on the outer peripheral portion of the portion, a release paper holder is rotatably provided in the case adjacent to the tape holder, and a collar portion is formed on the release paper holder. A passive side tooth profile is formed on the outer peripheral portion of the collar portion, and the double-sided tape pulled out from the tape holder is guided in the case between the tape holder and the release paper holder. A tape cutter characterized by being provided with at least one guide. 3. The pin according to claim 1 or 2, wherein a pin is provided on either one of the case or the cutting blade holder, and an arc-shaped guide groove centered on the swing center axis is provided on the other of the case and the pin. A tape cutter, characterized in that the tape cutter is fitted with the guide groove to serve as a swing range restricting means of the cutting blade holder. 4. The guide roller according to claim 1, wherein a guide roller having an axis parallel to the pasting roller is rotatably provided on the rear end side of the case opposite to the tape outlet. A tape cutter characterized by being present.