JPH049989Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an instrument for incising or cutting the upper edge of a box such as a cardboard box or the vicinity thereof.

(Prior Art) Generally, a packed box has a lid closed and an adhesive tape or the like attached to the lid. When removing the above products, there are cases where the adhesive tape is removed and the lid is opened, but if you simply peel off the adhesive tape and open the lid, the lid will get in the way of the work. .
For this reason, a worker may use a cutter to cut the entire circumference of the upper edge of the cardboard box, slightly below it, to remove the lid and completely open the upper part. Note that when removing the lid, a cut may be made in advance along the upper edge of the cardboard box, and the lid may be removed in a subsequent process. Alternatively, the lid may be removed by fixing the entire circumference of the cardboard box to the side wall near the upper edge with tape and pulling the tape to cut the side wall.

(Problems to be Solved by the Invention) The above-mentioned work of cutting into the box body or removing the lid was performed manually, resulting in poor work efficiency. In addition, when cutting with a cutter or removing the lid manually, depending on the amount of force applied, the cutter may dig into not only the cardboard lid but also the product stuffed inside the cardboard, causing damage. It often happens that I put it on,
Product value was lost.

(Means for Solving the Problems) The present invention has been made to solve the above problems, and its gist is to guide , a container body to which the guide is fixed, a grip member fixed to the container body, and a container body that intersects with the bisector of the interior angle formed by the adjacent surfaces sandwiching the ridge angle of the box body. This is a box-shaped incision cutting tool consisting of a rotary blade that is detachably attached to the holder.

(Function) By applying the guide of a lightweight and handy notch cutting tool that can be held with one hand to the adjacent surfaces that sandwich the ridge angle of the facing box, and pulling the notch cutting tool toward you or pushing it forward. , the area near the edge angle, that is, the area near the line of the box, is cut using a rotating blade. Therefore, you can safely cut or cut the box without damaging the products inside the box, and you can easily cut and cut the box without using any manual force, making it easier to remove the lid. Able to perform work efficiently.

(Example) Hereinafter, details of the present invention will be explained based on an example illustrated in the drawings.

In the incision cutting tool 1 of the present invention, guides 2 and 2' that slide on adjacent surfaces a and b that sandwich the ridge angle of a corrugated cardboard box W are attached and fixed to a container body 3, and a gripping member is attached to the upper part of the container body 3. 4 is fixed. Further, this container body 3 is removably provided with rotary blades 5 and 5' that are approximately perpendicular to the bisector of the interior angle formed by the adjacent surfaces a and b that sandwich the edge angle of the cardboard box W. .

The above-mentioned cardboard box W stores the product therein. Then, a pair of horizontal lids c and c' are folded, a pair of vertical lids d and d' are further folded on top of them, and the edges of the pair of vertical lids d and d' are further secured with adhesive tape e. It is being Both ends of this adhesive tape e are attached to the sides of the cardboard box W.

The vessel body 3 has a hexagonal cross-sectional shape,
It is shaped like a rod in the longitudinal direction. Also, vessel 3
A gripping member 4 is welded to a mounting surface 3a forming the top of the holder. Further, on the mounting surfaces 3b and 3c forming the downward facing sides of the vessel body 3, twin-pronged guides 2 are provided, each of which has its legs opened approximately 45 degrees downward with respect to the vertical line of the vessel body 3.
2' are rotatably attached to the container body 3 at appropriate intervals through bearings 2a and 2a', respectively. Furthermore, holes 6, 6a' for a pair of fastening bolts 6, 6' for attaching and fixing the rotary blades 5, 5' are bored in the mounting surface 3a at approximately the center thereof in the longitudinal direction.

The guides 2, 2' are made of cylindrical rollers, and the guides 2, 2' are provided on the outer peripheral surfaces of the guides 2, 2'.
A plurality of lateral grooves 2b with tapes are formed toward the tip of 2'. These lateral grooves 2b... have the effect of pulling out the surfaces a and b of the cardboard box W toward the ridge angle formed by these surfaces a and b. 2c, 2 in the figure
c' is the mounting surface 3b of the vessel 3 of these guides 2, 2',
This is a notch for screwing and fixing to 3c.

As described above, the rotary blades 5 and 5' are mounted on the tightening bolt 6 at approximately the center of the container body 3 so as to be approximately perpendicular to the bisector of the interior angles of the surfaces a and b of the cardboard box W.
6', it is removably attached and fixed. These rotary blades 5, 5' are round blades, and are configured so that their respective cutting edges interlock with each other at the center of the guides 2, 2', which are located on the vertical line of the vessel body 3 and whose legs are opened approximately 45 degrees. That is, each of these rotary blades 5, 5' is
A holder 7 fitted into a groove 7a formed approximately in the longitudinal center of the vessel body 3 and perpendicular to the vessel body 3.
The rotating blades 5 and 5' each have a bearing 10 fixed to a retaining ring 9 fitted between the inner surface of the holder 7 and the outer surface of a spacer 8, which will be described later. Through hole 7 drilled in
b, and a retaining ring 11 that is fitted into the retaining ring 11 and in contact with the upper edge of the bearing 10, a bolt 13 that is inserted into the retaining ring 11 with a spring washer 12 interposed, and supporting the lower edge of the bearing 10 in the middle. Expanded diameter part 14
a, a support member 14 having a recess 14b formed at the lower end into which a collar 15 is fitted, and fixing the bearing 10 via the collar 15; and a bolt 13.
A cap nut 16 is screwed into the supporting member 14 and presses and fixes the rotary blade 5 to the lower end of the support member 14 via a collar 15, so that the rotary blade 5 can be freely rotated. These rotary blades 5, 5' are attached and fixed to the vessel body 3 via a holder 7 and a spacer 8. Note that the spacer 8 has female threaded portions 6b, 6 on its upper surface for the tightening bolts 6, 6' for attaching and fixing the holder 7 to the vessel body 3.
A fastening bolt 6, which is screwed with b' and has a V-shaped relief 17 on the bottom surface thereof corresponding to the angular edge of the cardboard box W, and is fastened to the mounting surface 3a of the container body 3.
It is fixed together with the holder 7 by 6'. Also,
The recess 14b and collar 15 of the support member 14 have different depths and thicknesses depending on the rotary blades 5, 5', and are formed so that the rotary blades 5, 5' overlap each other. The rotary blades 5, 5' are pressed and fixed together with the collar 15 against the support member 14 by a cap nut 16 and a bolt 13. These pair of rotary blades 5, 5' can be removed together with the holder 7 from the container body 3 by loosening the fastening bolts 6, 6' that fix the holder 7 to the container body 3. In addition, the rotary blades 5 and 5' are attached to the bolt 1.
By loosening 3, the cap nut 16 can be removed, and the blade can be detachably attached and fixed separately from the holder 7, allowing the blade to be replaced. Also, the guides 2 and 2' are the first and second guides.
As shown in the figure, a total of four sets are provided on the left and right sides around the holder 7, but two sets or one set may be provided on either the left or right side.

In the above-described configuration, the guides 2 and 2' of the lightweight and handy cutting tool 1 that can be held with one hand are
By applying the cutter 1 to the opposite sides of the corrugated box W on both sides of the edge and pulling the cutter 1 toward you or pushing it forward, the adjacent surfaces are moved to the rotating guides 2 and 2'. The grooves 2b are drawn in in the direction of the ridge angle formed by the grooves 2b, and the edges are positioned inside the rotary blades 5, 5'. Then, the vicinity of the edge angle, that is, the vicinity of the edge of the cardboard box W is cut with a rotary blade 5,
Cut along 5'. At this time, the rotary blades 5, 5' interlock with each other while rotating at approximately the center of the twin-pronged guides 2, 2', cutting into the vicinity of the edge of the cardboard box W like scissors. Therefore, the cutting edge can withstand long-term use without being partially worn out, and cuts smoothly. Furthermore, the depth of cut near this edge can be adjusted by adjusting the engagement of the rotary blades 5, 5'.
The depth of cut into the cardboard box W can be determined by using a holder 7 in which rotary blades 5, 5' with pre-adjusted cutting edges are set.
All you have to do is prepare and replace it, which is efficient.

Note that the gripping member 4 is not limited to a shape along the longitudinal direction of the container body 3 as shown in FIGS. 1 and 2, but may have a shape substantially perpendicular to the material axis direction of the container body 3. Further, the guide in the above embodiment is a roller with bearings 2a, 2a' interposed therebetween,
Furthermore, although a plurality of tapered lateral grooves 2b are formed on the outer circumferential surface, the present invention is not limited to this, and any structure may be used as long as the cutting instrument can be slidably guided along the surfaces a and b of the box W. .

(Effects of the Invention) As explained above, the present invention includes a guide having a sliding surface that presses against adjacent surfaces sandwiching the edge angle of the box, a container body to which the guide is fixed, and a container body to which the guide is fixed. It is lightweight and consists of a fixed gripping member and a rotating blade that is removably attached to the container, intersecting the bisector of the interior angle formed by the adjacent surfaces that sandwich the ridge angle of the box. It can be made into a handy type, and when cutting, it is possible to cut smoothly along the edge of the box or near the edges, so it is safe and does not damage the products packed inside the box. Able to work with care. Further, when removing the lid, only the lid can be reliably cut without leaving any uncut parts, and it can be removed efficiently. Furthermore, since the blade is a rotary blade, cutting or notching can be performed smoothly with little resistance, and there is little wear on the cutting edge, making it durable for long-term use.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, FIG. 1 is a side view of the cutting device, FIG. 2 is a plan view of the cutting device in FIG. 1, FIG. 3 is a front view of the cutting device, and FIG. FIG. 5 is a sectional view taken along line A-A' and a perspective view of the cardboard box in a packed state. 1... Cutting instrument, 2, 2'... Guide, 2a,
2a'...Bearing, 2b...Horizontal groove, 3...Body, 3a...Mounting surface forming the top, 3b, 3c...
Mounting surfaces forming both sides, 4...Gripping member, 5, 5'
...Rotary blade, 6a, 6a'... Hole, 6, 6'...
Tightening bolt, 7...Holder, 7a...Groove, 7b...
...Through hole, 8...Spacer, 9...Retaining ring, 10...
... Bearing, 11 ... Presser ring, 12 ... Spring washer, 13 ... Bolt, 14 ... Support member, 14a ... Expanded diameter portion, 14b ... Recess, 15 ...
...Color, 16...Fukuro nut, 17...V-shaped escape.

Claims (1)

[Scope of utility model registration request] A guide having a sliding surface that presses adjacent surfaces that sandwich the edge of the box, a container that fixes the guide, a gripping member that is fixed to the container, and an adjacent side that sandwiches the edge of the box. A box-shaped incision cutting tool consisting of a rotary blade that is removably attached to the container body and intersects with the bisector of the internal angle formed by the ivy surface.