JPH08108589A - Cutter for printing medium - Google Patents

Abstract

PURPOSE: To safely replace a cutter for cutting a tape used in printing in a printing tape manufacturing apparatus. CONSTITUTION: A chopping block member 50 having a support face 50a which faces a passing tape and a rotating member equipped with a cutting edge for cutting the tape pressed on the support face 50a are installed jointly to be set into a unit through a rotating-supporting member which protrudes integrally from one side of the chopping block member 50 and has a U-shaped cross section. The rotating member is equipped with an interlocking gear part 67 which couples freely attachably/detachably with the gear part 66 of an operation lever 53 and support hole into which the support shaft 61 protruding from a frame is inserted rotatably; besides, the chopping block member 50 is has a setting hole which is engaged with a fixing piece 56a protruding from the frame, and the whole set is replaced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a printing unit such as a thermal head, a platen, and a tape conveying means, and an image such as a character or a graphic is recorded on a tape-shaped print medium according to data inputted in advance. The present invention relates to a configuration of a print medium cutting device provided in a print tape creating device for printing.

[0002]

2. Description of the Related Art The present applicant has previously filed Japanese Patent Application Laid-Open No. 4-89359.
In the publication, a printing tape producing apparatus for displaying a receptor type label is proposed. This device is configured such that a cassette case that stores a printing tape that is a print medium and an ink ribbon can be detachably attached to a cassette housing portion of a printing tape creating apparatus, and the cassette housing portion includes: A printing unit equipped with a thermal head,
A roller-shaped platen that comes into contact with and separates from the printing unit, a winding means for the ink ribbon, and the like are provided, and the tape is pulled out from the cassette case at an appropriate speed based on the data previously input to the printing tape creating apparatus. An image such as a character string is printed on the tape, and a cutting device for cutting the printed tape into a predetermined length is provided.

In this tape cutting device, the outlet surface of the printed printing medium in the tape cassette case containing the printing medium and the ink ribbon is used as the receiving surface of the cutting edge of the cutting blade. This is a type in which a passing tape-shaped print medium is so-called pushed by a cutting blade, and the cutting blade is attached to a supporting member that is rotated by a rotation operation lever provided in a printing tape making device. The support member was configured so as to be attachable / detachable to / from the rotating support shaft provided in the printing tape making apparatus.

According to this structure, even if the cutting blade has irregularities on the receiving surface, it is sufficient to replace the cassette case as a consumable product. On the other hand, when the cutting blade has poor sharpness, it is integrated with the supporting member. In order to replace the cutting blade without the user's finger touching the cutting blade, a cutter attachment having a special structure is used to remove the cutting blade from the pivot shaft.

[0005]

However, according to the above-mentioned prior art, it is safe if the used cutting blade and the supporting member are discarded together with the cutter attachment, but a new cutting blade and supporting member are provided. After attaching the and the to the rotation support shaft, the cutter attachment taken out must be stored until the next replacement, and if this cutter attachment is lost, there is a risk of finger injury when replacing the cutting blade. is there. Further, there is an inconvenience that the pedestal for receiving the cutting edge of the cutting blade is integrated with the cassette case, so that the pedestal cannot be replaced at any time.

The present invention has been made to solve the above problems, and provides a cutting device for a tape-shaped printing medium in a printing tape making device, which enables replacement work to be performed safely and extremely easily. The purpose is to do.

[0007]

In order to achieve the above object, a cutting device for a printing medium according to the invention of claim 1 comprises:
A device for cutting a printed printing medium after feeding an ink ribbon and a tape-shaped printing medium to a printing section of a printing tape making device, and having a receiving surface facing when the printing medium passes A stroll member and a rotary member having a cutting blade for pressing the medium to be printed against the receiving surface of the stylus member to cut the medium through a rotary support member integrally projecting from the stall member. Continuously provided, the rotary member is formed with an interlocking engagement portion that is detachably engaged with a drive portion such as an operation lever, and the side member is provided with a mounting portion for the printing tape producing apparatus. Is.

According to a second aspect of the present invention, the cutting edge of the cutting blade is positioned within the receiving surface along the moving direction of the print medium in the rotation range of the rotating member with respect to the moving member in the first aspect. The rotation range restricting means for restricting the above is provided. According to a third aspect of the present invention, in the printing medium cutting device according to the first or second aspect, one of the wide surfaces of the cutting blade and the other surface of the cutting blade are pressed and sandwiched by the rotating member. And a projection for making the cutting blade rotatable and non-pullable.

[0009]

Next, an embodiment of the present invention will be described. 1 is a schematic plan view of the printing tape making apparatus 1, FIG. 2 is a perspective view of the cassette case 4, and FIG. 3 is a plan view of the cassette case 4 with the tape case 12 removed. Lower case 2
A cover body 6 is provided on one side of the upper surface of the upper case 3 that fits in the open / close manner so as to cover a housing portion 5 for detachably housing a cassette case 4 described later. The upper and lower cases 3 and 2 and the cover body 6 are injection molded products made of synthetic resin. Further, on the upper surface of the upper case 3, a keyboard section 7 for inputting characters and the like, a switch panel 8 for various operations,
Also, a display unit 9 such as a liquid crystal for displaying input characters and operation instructions is arranged, and a mechanical mechanism unit and a microcomputer (not shown) for control are built in between the upper and lower cases 3 and 2. ing.

Next, a tape 1 as an example of a print-receiving medium
The configuration of the transport means and the printing unit of No. 0 will be described. As shown in FIG. 1, the accommodation unit 5 has a ribbon drive cam shaft 30 fitted into an inner diameter portion of a ribbon take-up spool 13 in a cassette case 4 described later. And a tape drive cam shaft 31 fitted to the inner diameter portion of the tape feed roller 14 in the cassette case 4, respectively. The rotational force of the tape drive motor is a gear train (not shown) arranged on the lower surface of the frame.
Through the ribbon drive cam shaft 30 and the tape drive cam shaft 31.

Further, the tape 1 is provided via the ink ribbon 11.
Printing unit 32 including a thermal head for printing 0
And a platen holder 35 provided with a platen 33 that comes into contact with and separates from a heating element of the thermal head and a pressing roller 34 that presses the tape feeding roller 14, and are arranged in the housing portion 5 so as to face each other. Holder 35
The platen actuating lever 36 for rotating the cassette case 4 is arranged in the housing portion 5 so as to be vertically rotatable.
When the cover body 6 is closed so as to cover the storage portion 5 of the platen, the platen operating lever 36 is pressed by the pressing portion 37 provided on the inner surface of the cover body 6, and the platen 33 is printed by the platen holder 35 via the platen holder 35. The surface of the heating element in 32 is pressed, and at the same time, the pressing roller 34 is pressed against the surface of the tape feeding roller 14 so that the tape 10 is printed from the cassette case 4 placed in the storage section 5 while being printed. It is configured.

On the contrary, when the cover body 6 is opened, the platen 33 attached to the platen holder 35 is separated from the printing portion 32 by the urging force of a spring (not shown), and the pressing roller 34 of the tape feed roller 14 is moved. It is configured to rotate in a direction away from the surface. Further, a cutting device 38 having a configuration described later is provided on one side of the upper and lower cases 3 and 2 adjacent to the housing part 5 in order to cut the fed tape 10 in the width direction.

As shown in FIGS. 2 to 4, an ink ribbon 11 is stored in a synthetic resin cassette case 4, and a printing tape 10 is stored in the cassette case 4. The tape case 12 is detachably mountable, and the upper surface of the cassette case 4 is open. Receptor type tape 1 in this embodiment
No. 0 is printed on the surface facing the ink ribbon 11, an adhesive layer is previously applied to the back side of the tape 10, and a release tape is temporarily adhered to this adhesive layer.

Ink ribbon 1 in cassette case 4
A cover plate 15 for integrally covering the upper surface of the housing portion of 1 and the upper surface of the tape feed roller 14 is detachably attached. The ink ribbon 11 pulled out from the ink ribbon winding reel in the storage portion is discharged to one of the outlets formed in the outer wall 4b surrounding the printing portion 32, and then is abbreviated as the tape 10 at the printing portion 32. It is attached in parallel and is wound around the ribbon take-up spool 13 via an inlet near the tape feed roller 14.

A housing portion 4c of the case into which the tape case 12 is fitted from above is arranged on the outer periphery of the housing portion of the ink ribbon 11 and is connected to the housing portion 4c to accommodate a guide groove 24 having an open upper surface. It is formed along the outer periphery of the part.
The tape 10 pulled out from the tape case 12 along the guide groove 24 is attached to the outer surface (wide surface) of the ink ribbon 11 at the printing portion 32, and the tape 10 is conveyed to the printing portion 32. Guide groove 24 as a route
Among them, in the vicinity of the discharge port of the ink ribbon 11, the width surface of the tape 10 and the upper and lower longitudinal edges do not come into contact (interfere) with other members such as the platen holder 35 when the cassette case 4 is attached and detached. The outer wall 4a of 4 and the tip portion 15a of the cover plate 15 are covered and protected.

As shown in FIG. 4, the tape case 12 made of synthetic resin has a tape winding accommodating portion 25 having a substantially cylindrical shape in plan view.
And a guide groove portion 2 that surrounds a part of the outer periphery of the storage portion so that the wound storage portion 25 communicates with the guide groove 24.
6, the guide groove portion 26 as a part of the path for transporting the tape 10 from the winding storage portion 25 is formed such that the section from the winding storage portion 25 to the start end of the guide groove 24 is open on the upper surface. ing.

As described above, by constructing the upper surface of the guide groove 24 or / and the guide groove portion 26 to open,
When the tape case 12 is exchanged, the user picks the tape 10 with his / her finger at the guide groove 24 or / and the guide groove portion 26 and conveys the leading end of the tape 10 toward the discharge port of the ink ribbon 11. It is easy to do.

The tape 1 is placed in the winding storage portion 25.
A tape reel in which the end of 0 is joined by an adhesive tape or the like is rotatably arranged, and an engaging protrusion on the lower surface of a transparent disk-shaped tape cap 29 for covering the upper surface of the winding storage portion 25 is provided. A knob 29b, which is detachably fitted into the engaging groove of the tape reel and is rotated by the user's finger, is provided integrally on the upper surface of the tape cap 29. With the rewinding means configured as described above, the tape 1 is removed from the cassette case 4 before being removed from the cassette case 4.
0 can be rewound in the direction of the winding storage portion 25. In addition, even when overprinting is performed on a portion that has been printed once, the operation of returning the tip of the tape 10 that has passed through the printing unit 32 to the original position can be performed extremely easily.

The cassette case 4 is preset at 6 depending on the ink color of the ink ribbon 11 mounted on the cassette case 4, the color of the printing tape 10 and the type of paper quality.
The hole-shaped detected portion 41 is provided, and the detection portion 42 such as a limit switch provided in the housing portion 5 can detect the detected portion 41. In this case, the tape in the tape case 12 is replaced with respect to the cassette case 4 so that the protrusion-shaped detected portion 43 protruding downward in the tape case 12 is fitted into the hole-shaped detected portion 41. 10 colors and the like can be discriminated.

Further, as shown in FIG. 2, the central portion of the tape feed roller 14 is formed to have a small diameter and the upper and lower guide portions thereof are formed to have a large diameter, and a cassette case is provided in the vicinity of the tape feed roller 14. 4 is provided with a tape outlet 44, and a slide 4 is provided from the tape outlet 44 toward the central portion of the small diameter.
5 is projected. The surface of the slide 45 is set so as to be located inside (radius inner side) of the outer peripheral surface of the large-diameter guide portion, whereby the tip end (free end) of the tape 10 has a curl. Even if curled, the tape is smoothly guided to the tape outlet 44. Further, a contact step portion 46 with which the tip edge of the tape 10 abuts is formed on the surface of the slide 45 on the base side so as to define the position of the tip of the tape 10 pulled out from the cassette case 4. .

Next, the structure of the cutting device 38 will be described with reference to FIGS. 1 and 5 to 8. The cutting device 38 of the present embodiment presses the tape member 50 against the receiving surface 50a of the bag member 50 and the bag member 50 having the receiving surface 50a facing when the tape 10 passes in the direction of arrow B in FIG. A rotating member 51 having a cutting blade 52 for so-called push-cut cutting mounted thereon, so that the rotating member 51 is rotated by a predetermined angle by an operating lever 53 as an example of a driving unit. It is configured.

A mounting portion for removably mounting the tape on the frame 54 of the tape forming apparatus 1 is provided on the side member 50. As an example thereof, as shown in FIG. 6, a mounting hole 54 that is opened on the lower surface is formed in the side member 50, and in the vicinity of the tape discharge port 55 that is cut out on one side of the lower case 3. A mounting piece 56 a protruding upward from the frame 56 is configured to be detachably fitted in the mounting hole 54.

As shown in FIGS. 6 and 7, the upper and lower pieces 57a of the rotary support member 57 having a U-shaped cross section, which are continuously provided so as to project from the vicinity of the lower end of the receiving surface 50a of the side member 50,
57b, receiving holes 59a, into which the upper and lower boss portions 58a, 58b of the substantially cylindrical rotating member 51 are rotatably fitted.
59b is bored, and the side member 50 and the rotating member 51 are configured to form one set via the rotating support member 57.

The rotating member 51 has a support hole 60 vertically penetrating the inner diameters of the upper and lower boss portions 58a and 58b.
Is provided, and the rotation support member 57 is rotatably attached to the stroll member 50 (one set of states), the rotation support member 57 is rotated with respect to the support shaft 61 protruding in parallel in the vicinity of the mounting piece 56a. The moving member 51 is rotatably attached.

Further, as shown in FIGS. 6 to 8, on one side of the outer periphery of the rotating member 51, there is provided a pinching means for pressing and pinching one of the wide surfaces of the cutting blade 52 and the other surface. Set up.
As one embodiment of the sandwiching means, a pair of upper and lower cover plates 62, 6 for supporting the upper and lower parts of the surface of the cutting blade 52 are provided at the upper and lower parts in the up and down longitudinal direction on one side of the outer periphery of the rotating member 51.
2 is provided, and in a portion between the pair of cover plates 62, 62,
An elastic cantilever-like pressing base 63 is provided, and a round shaft-shaped projection 65 into which a mounting hole 64 formed at the center of the cutting blade 52 in the longitudinal direction is rotatably fitted is integrally formed on the surface of the pressing base 63. To project. As a result, the back side of the cutting blade 52 is pressed against the pressing table 6
3 and the upper and lower cover plates 62, 26 are pushed into the gap between the upper and lower cover plates 62, 26, the central back surface of the cutting blade 52 is elastically pressed by the pressing base 63, and the upper and lower portions on the front surface side of the cutting blade 52 are covered by both cover plates 6.
The cutting blades 52 are pressed against the inner surfaces of the blades 2 and 26, and the cutting blades 52 are prevented from being accidentally pulled out via the protrusions 65.

On the other hand, as shown in FIG.
The cutting blade 52 becomes rotatable around the location of the protrusion 65 in the above, and when the cutting edge of the cutting blade 52 pushes the tape 10 located on the surface of the receiving surface 50a of the stagger member 50, the cutting edge of the cutting blade 52 becomes the tape. 10 and then the receiving surface 50
The blade edge is configured so as to be able to abut substantially evenly along the surface of a in parallel with the blade edge.

An interlocking gear portion 67 as an interlocking mesh portion that meshes with a fan-shaped gear portion 66 formed at the base of the operating lever 53 is formed on one side of the outer periphery of the rotating member 51. To do. At this time, the gear portion 66 of the operation lever 53 that rotates about the rotation shaft 68.
Is formed parallel to the axis of the support shaft 61, the longitudinal direction of the interlocking gear portion 67 is also parallel to the longitudinal direction of the gear portion 66, and the side member 50 is included as one set. The support hole 60 of the rotating member 51 is attached to the attachment piece 56a.
When the support shafts 61 are respectively mounted from above, the interlocking gear portion 67 can be smoothly fitted and engaged from the upper end edge of the fan-shaped gear portion 66. It should be noted that the same smooth operation can be performed when pulling out the one set.

Further, the upper piece 57 of the rotation supporting member 57.
The stopper piece 69 protruding from a and the locking piece 70 protruding from the upper end surface of the rotating member 51 rotate so that the cutting blade 52 mounted on the rotating member 51 separates from the receiving surface 50a. The rotation range of the rotation member 51 with respect to the stroll member 50 is a width dimension (L) along the moving direction of the tape 10 when the tape 10 is rotated. The cutting edge of the cutting blade 52 is limited to be located within the range of the surface 50a.

In this rotation range regulating means, the end edge of the interlocking gear portion 67 or a locking piece (not shown) provided on the outer peripheral surface side of the rotation member 51 is an arbitrary portion of the rotation support member 57. It may be realized by contacting the end face. With this configuration, the color of the ink ribbon 11 in the cassette case 4 mounted in the printing tape making apparatus 1 and the tape case 1
2 and the color of the tape 10 in combination are arbitrarily set, and when the printing operation is completed, the tape 10 is moved in the direction of arrow B shown in FIG.
The printed portion of the tape passes through the gap between the cutting edge of the cutting blade 52 and the receiving surface 50 of the side member 50 and the tape discharge port 55.
Emitted from.

When the user turns the operation lever 53 in the direction of arrow C in FIG. 5, the gear portion 66 and the interlocking gear portion 67 are moved.
By engaging with, the rotating member 51 rotates in the direction of arrow D, and the cutting edge of the cutting blade 52 pushes and cuts the tape 10 located on the surface of the receiving surface 50a. When the cutting blade 52 becomes dull, the side member 50 and the cutting blade 52 are cut.
Replace one set with the attached rotating member 51.

In this case, as described above, the rotating member 51
Are continuously connected via a rotation support member 57 that is continuously provided on one side of the side member 50, and the mounting piece 56a to which the side member 50 is attached and the support shaft 61 to which the rotation member 51 is attached are
Since each is parallel and the upper end is a free end, the above 1
As a set, it can be easily extracted and replaced with a new set. If the tab 71 is formed on the upper end portion of the side member 50 on one side, the exchanging work such as extraction can be further facilitated.

The rotation range of the rotation member 51 attached to the rotation support member 57, and thus the rotation movement range of the cutting blade 52, is determined by the rotation of the stopper piece 69 and the locking piece 70. By the range restricting means, the cutting edge of the cutting blade 52 is restricted to be located within the receiving surface 50a along the moving direction of the tape 10. Even if the finger is picked up and attached and removed, it is safe because the finger does not touch the cutting edge of the cutting blade 52.

Instead of the operation lever 53, a gear portion of a drive portion such as a drive motor may be engaged with the interlocking gear portion 67 of the rotating member. The support shaft 61 may be omitted when the rotation support member 57 connected to the side member 50 has high rigidity and is hard to be deformed when the rotation member 51 is rotated. Further, the printing medium (tape) cutting device of the present invention can be applied to a printing tape producing device using a cassette case 4 in which the ink ribbon 11 and the tape 10 are built in and the upper and lower surfaces are covered. Laminate type print medium, that is,
In the printing section, after printing the mirror character on the back side of the transparent tape via the ink ribbon, stick the double-sided adhesive tape on the printed side and cut this laminate type print medium to a specified length It goes without saying that the same applies to the case described above.

[0034]

As described above, claim 1
A printing medium cutting device of the invention described in (1) is a device for cutting a printed printing medium after an ink ribbon and a tape-shaped printing medium are conveyed to a printing section in a printing tape creating apparatus, And a rotation member provided with a cutting blade for pressing the medium to be printed against the receiving surface of the member to cut the medium to be printed. From a rotary support member integrally projecting from the rotary member, and the rotary member is formed with an interlocking engagement portion that is detachably engaged with a drive unit such as an operation lever.
The holding member is provided with a mounting portion for the printing tape making device.

According to this structure, when the rotating member provided with the cutting blade is rotated through the drive unit such as the operation lever, the cutting edge of the cutting blade is moved depending on the rotation of the rotating member. The tape-shaped print medium passing through the receiving surface can be pushed out by approaching the receiving surface. Further, the side member and the rotating member are continuously provided via the rotating support member,
It constitutes a set, and the entire one set can be exchanged only by attaching / detaching at least the attaching portion of the side member to the tape making device.

Therefore, if the sharpness of the print medium becomes poor, the one set can be exchanged arbitrarily.
The effect is that the print medium can be cut efficiently and cleanly at all times. In addition, since the replacement work can be performed at the position of the side member, it is possible to prevent a risk that the cutting blade is touched with a finger and injured. Further, in the invention described in claim 2, the turning range of the turning member with respect to the moving member in the device for cutting the printing medium according to claim 1 is within the receiving surface along the moving direction of the printing medium. Since the rotation range restricting means for restricting the cutting edge of the cutting blade to be positioned is provided in the device, when the one set is replaced or when the tape-shaped print medium is mounted in the tape making device, etc. In the above, since the user's finger does not enter the receiving surface of the baggage member, and therefore the finger does not touch the cutting edge of the cutting blade, the safety is improved.

Further, in the invention described in claim 3, in the cutting device for a print medium according to claim 1 or 2, the rotating member has one of the wide surfaces of the cutting blade and the other surface. Since the holding means for pressing and holding the cutting blade with the surface is provided, and the projection for making the cutting blade rotatable and non-pullable is provided, the cutting blade is carelessly attached to the rotating member. When the blade tip of the cutting blade does not come out and is pressed against the receiving surface, it rotates around the protruding portion and the entire blade edge abuts the receiving surface evenly and cuts the tape-shaped print medium at once. The effect is that it is possible.

[Brief description of drawings]

FIG. 1 is a plan view of a printing tape producing apparatus of the present invention.

FIG. 2 is a perspective view of a cassette case accommodating a tape case.

FIG. 3 is a plan view of the cassette case with the tape case removed.

FIG. 4 is a plan view of a tape case.

FIG. 5 is a plan view of the cutting device.

6 is an enlarged cross-sectional view taken along the line VI-VI of FIG.

FIG. 7 is a perspective view of each part of the cutting device.

8 is a cross-sectional view of the rotating member taken along the line VIII-VIII of FIG.

[Explanation of Codes] 1 printing tape making device 4 cassette case 10 tape as print medium 38 cutting device 50 side member 50a receiving surface 51 turning member 52 cutting blade 53 operating lever 54 mounting hole 56a mounting piece 57 turning support member 60 Support Hole 61 Support Shaft 62 Cover Plate 63 Pressing Base 65 Projection 66 Gear Part 67 Interlocking Gear Part 69 Stopper Piece 70 Locking Piece

Claims (3)

[Claims] 1. A cutting device for a printed medium to be printed after an ink ribbon and a tape-shaped medium to be printed are conveyed to a printing section in a printing tape making device, which faces each other when the medium to be printed passes. Rotation for integrally projecting a staggered member having a receiving surface and a rotating member equipped with a cutting blade for pressing the medium to be printed against the receiving surface of the staggered member to cut the medium. The interlocking engagement portion is formed on the rotation member so as to be detachably engaged with the drive portion such as the operation lever, while the rotation member is attached to the print tape making device on the movement member. A device for cutting a medium to be printed, comprising a section. 2. A rotation range regulating means for limiting the rotation range of the rotation member with respect to the stroller member so that the cutting edge of the cutting blade is located within the receiving surface along the moving direction of the print medium. The device for cutting a print medium according to claim 1, further comprising: 3. The rotating member is provided with a holding means for pressing and holding one side and the other side of the wide surface of the cutting blade, and the cutting blade is rotatable and cannot be removed. 3. The apparatus for cutting a print medium according to claim 1 or 2, further comprising a protrusion for cutting.