JP3214131U - Bar opener - Google Patents

Abstract

An object of the present invention is to provide a bar opening device which has a simple structure and can be used easily. A bar opening device 10 includes a first half cylinder 20a, a second half cylinder 20b which is combined with the first half cylinder 20a to form a hollow cylinder, and a first half cylinder 20a. An opening / closing connector 35 for connecting the second half cylinder 20b so that it can be opened and closed in a closed state and an open state, and slightly shorter than the full length of the bar 2 inside the first half cylinder 20a. A pair of first cutting blades 25a disposed opposite to each other at intervals, and a pair of second cutting blades 25b disposed opposite to each other at intervals slightly shorter than the entire length of the bar 2 inside the second half cylinder 20b. The first cutting blade is provided by closing the first half cylinder 20a and the second half cylinder 20b in a state where the bar 2 is set inside the first half cylinder 20a or the second half cylinder 20b. 25a and the 2nd cutting blade 25b are comprised so that the ear | edge of the both ends of the packaging of the bar metal 2 may be cut | disconnected. [Selection] Figure 1

Description

  The present invention relates to a bar opening device for breaking and opening a bar-shaped bar (wrapping coin).

  When a large number of coins are provided from a bank to a retail store or the like, it is provided in the form of a bar metal in which a predetermined number of coins are wrapped with a resin sheet. As an instrument for opening such a bar metal package, those disclosed in the following Patent Documents 1 and 2 are known.

JP-A-8-324526 JP-A-8-207912

  However, the device disclosed in Patent Document 1 is a large-sized device, which is very expensive to introduce. Moreover, although what was disclosed by the said patent document 2 is a small instrument, it is necessary for a user to break a packaging using a cutter separately, and it takes the effort of an opening operation.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a bar opening device that has a simple structure and can be used easily.

  In order to solve the above-mentioned problems, a bar opening device according to the present invention is a bar opening device for opening a bar metal package, and is combined with a first half cylinder and the first half cylinder. A second half cylinder that constitutes a hollow cylinder, an open / close coupling that connects the first half cylinder and the second half cylinder in a closed state and an open state so as to be freely opened and closed; A pair of first cutting blades disposed opposite to each other at an interval slightly shorter than the full length of the bar metal inside the first half cylinder, and slightly smaller than the full length of the bar metal inside the second half cylinder A pair of second cutting blades opposed to each other at a short interval, and in the state where the bar is set inside the first half cylinder or the second half cylinder, the first half cylinder And the second half cylinder are configured to cut the ears at both ends of the bar metal package by the first cutting blade and the second cutting blade. It is characterized in.

  According to the bar opening device according to the present invention, it is possible to easily open the bar metal package with a simple structure.

FIG. 1 is a perspective view showing a state in which a bar opening device according to an embodiment of the present invention is opened. FIG. 2 is a perspective view of the bar opening device according to the embodiment of the present invention in a closed state. FIG. 3 is a side view showing a closed state of the bar opening device according to the embodiment of the present invention. FIG. 4 is a diagram illustrating a configuration of a cutting blade according to an embodiment of the present invention. FIG. 5 is a side view for explaining a method of using the bar opening device according to the embodiment of the present invention. FIG. 6 is a cross-sectional view for explaining a method of using the bar opening device according to the embodiment of the present invention. FIG. 7 is a perspective view of the bar opening device according to the modification of the embodiment of the present invention in a closed state.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view of the bar opening device according to the present embodiment in an opened state. FIG. 2 is a perspective view of the bar opening device according to the present embodiment in a closed state. FIG. 3 is a side view of the bar opening device according to the present embodiment in a closed state. 4A and 4B are diagrams illustrating the configuration of the cutting blade according to the present embodiment, in which FIG. 4A is a front view and FIG. 4B is a side view.

  The bar opening instrument 10 according to the present embodiment is an instrument for breaking the coins by breaking the packaging of the bar metal (wrapping coins) obtained by winding 50 stacked coins with a vinyl film and packaging them in a bar shape.

  The bar opening device 10 has a hollow cylindrical shape as a whole, and includes a pair of half cylinders 20, a cutting blade 25, a guide pin 30, and an opening / closing connection fitting 35. The semi-cylindrical body 20 is a synthetic resin member whose inner surface is a semi-cylindrical shape and whose outer surface is a semi-octagonal column shape. When the pair of the first half cylinder 20a and the second half cylinder 20b are combined with the inside facing each other, a hollow cylindrical body having an outer cylindrical surface formed with a cylindrical hollow is formed on the inside. Become.

  The open / close connection fitting 35 is a hinge including a first blade 36, a second blade 37, and a hinge shaft 38 that rotatably connects the first blade 36 and the second blade 37. 20a and the second semi-cylindrical body 20b are connected in an openable and closable manner by an open / close connection fitting 35, with the axis in the cylinder axis direction, which is the longitudinal direction, as a rotation axis (hinge shaft 38).

  In the open / close connection fitting 35, one first blade 36 is screwed and fixed to the outer surface of the side edge of the first half cylinder 20a, and the other second blade 37 is fixed to the outer surface of the side edge of the second half tube 20b. Has been. Thus, the pair of half cylinders 20 can be opened and closed between a state in which the pair of half cylinders 20 is closed at 0 ° around the hinge shaft 38 and united as a cylinder, and a state in which the pair is opened at 180 °.

  A semicircular finger insertion notch 23 is formed in the center in the longitudinal direction of the side edge of the semi-cylindrical body 20, and after the bar 2 is opened, the bar-opening instrument 10 closed at 0 ° is opened. At this time, the finger can be easily opened by inserting the finger into the finger insertion notch 23 which is formed into a circular hole for finger insertion.

  As shown in FIG. 4, the cutting blade 25 is a long plate-shaped blade, and a single blade is formed on one of the side edges extending in the longitudinal direction. Fixing holes 26 for fixing the cutting blade 25 to the semi-cylindrical body 20 are formed in the vicinity of both ends in the longitudinal direction of the cutting blade 25.

  The cutting blade 25 is installed at a position that enters a predetermined distance from each end of each half cylinder 20 in the cylinder axis direction. The interval between the two cutting blades 25 installed in the vicinity of both ends is set to be slightly shorter than the total length of the bar 2 so as to cut the ears 4a formed at both ends of the bar 2 to be described later. Has been.

  Further, the pair of cutting blades 25 installed in each half cylinder 20 is installed so that the tapered surfaces of the single blades are located inside and face each other. On the inner inner surface of the semi-cylindrical body 20, a cutting blade installation groove 21 perpendicular to the cylinder axis direction is formed at a position where the cutting blade 25 in the cylinder axis direction is installed. It is inserted and installed inside.

  Further, on both end faces of the semi-cylindrical body 20 in the cylinder axis direction, screw holes 22 for fixing a cutting blade that penetrate to the cutting blade installation groove 21 are formed. The fixing hole 26 of the cutting blade 25 is formed at a position facing the screw hole 22 in a state where the cutting blade 25 is inserted into the cutting blade installation groove 21.

  Therefore, with the cutting blade 25 inserted into the cutting blade installation groove 21, the fixing long screw 28 is inserted into the screw hole 22 until the tip reaches the fixing hole 25a, thereby firmly fixing the cutting blade 25. be able to. Further, by removing the fixing long screw 28, the cutting blade 25 can be easily attached and detached and can be appropriately replaced.

  The guide pin 30 that functions as a guide member is a metal rod, and is installed on the outer side in the cylinder axis direction of the cutting blade 25 so as to protrude inward from the deepest position at the center in the circumferential direction of the inner surface of the half cylinder 20. The tip of the cutting blade 25 slightly protrudes from the cutting edge of the cutting blade 25.

  The distance between the pair of guide pins 30 is substantially the same as the entire length of the bar including the ear 4a, and is installed with the pair of cutting blades 25 sandwiched in the cylinder axis direction. In a state where the bar 2 is fitted between the pair of guide pins 30, the ear 4 a of the bar 2 is configured to be located at the cutting blade 25.

  The guide pin 30 is formed with a taper portion 31 that gradually becomes thinner in the vicinity of the tip portion thereof. As will be described later, when the bar is installed in the bar opening instrument 10, the taper portion 31 of the guide pin 30 guides both ends of the bar to be located at the cutting edge of the cutting blade 25. The

  The cutting edge of the cutting blade 25 and the tip of the guide pin 30 are set to a height that does not protrude from the inside of the half cylinder 20 in a cross section perpendicular to the cylinder axis direction, and when closing the pair of half cylinders 20, The cutting blade 25 and the guide pin 30 installed in the first half cylinder 20a do not collide with the cutting blade 25 and the guide pin 30 installed in the second half cylinder 20b.

  As mentioned above, although the structure of the bar metal opening instrument 10 was demonstrated, the usage method of the bar metal opening instrument 10 is demonstrated continuously. 5A and 5B are side views for explaining a method of using the bar opening device according to the present embodiment. FIG. 5A is a state where the bar is opened at 180 °, and FIG. Shows the state. FIG. 6 is a cross-sectional view for explaining a method of using the bar opening device according to this embodiment.

  The bar 2 has a structure in which 50 coins 3 are wrapped and wrapped in a vinyl film 4, and curled ears 4 a are formed on both ends of the laminated coins 3 by winding the vinyl film 4. Yes. The ears 4a slightly protrude outward from both ends of the stacked coins 3. By cutting the ears 4a, the vinyl film 4 can be easily peeled off and the bar 2 can be opened. .

  When the bar metal 2 is opened using the bar metal opening device 10, first, the pair of half cylinders 20 of the bar metal opening device 10 are opened at 180 °. Subsequently, as shown in FIG. 5 (A), the bar 2 is placed and set inside one half cylinder 20.

  When placing the bar 2, the bar 2 is positioned between a pair of cutting blades 25 disposed facing the inside of the half cylinder 20, and the ear 4 a of the bar 2 is just above the cutting blade 25. It is placed so that it is located at. Here, the bar 2 is installed inside the first half cylinder 20a.

  As described above, a pair of guide pins 30 are provided outside the pair of cutting blades 25a so as to sandwich them, and the position of the bar 2 to be placed is slightly shifted in the cylinder axis direction. The taper 31 of the guide pin 30 guides the bar 2 so that it fits exactly between the pair of guide pins 30 and the ear 4a is positioned exactly at the cutting edge of the first cutting blade 25a of the first semi-cylindrical body 20a. Is done.

  Subsequently, the second half cylinder 20b is moved in the closing direction from the mounting state of FIG. As shown in FIG. 5B, when the second half cylinder 20b is closed to a predetermined angle (about 45 ° in this embodiment), the cutting edge of the second cutting blade 25b of the second half cylinder 20b is It contacts the ear 4a of the vinyl film 4 of the bar 2.

  By moving the first half cylinder 20a and the second half cylinder 20b from this state in the closing direction while applying force by hand, the first cutting blade 25a and the second cutting blade 25b 4a is cut from both sides. Furthermore, as shown in FIG. 6, the first half cylinder 20 a and the second half cylinder 20 b are closed to about 0 °, so that the large ear 4 a protruding from both ends of the coins 3 on which the metal bars 2 are stacked. The part is broken.

  Thereafter, when the first half cylinder 20a and the second half cylinder 20b are opened and the bar 2 is taken out, the ear 4a of the vinyl film 4 is broken. The entire vinyl film 4 can be easily removed from the coin 3 by pulling on the coin 3.

  As described above, according to this embodiment, the vinyl film 4 of the bar 2 can be surely and easily broken and opened with the bar opening device 10 having a simple structure. Moreover, if it is a small bar metal opening instrument 10, cutting work can also be performed with one hand.

  In the present embodiment, since the guide pin 30 for guiding the ear 4a, which is the cutting location of the vinyl film 4, to be positioned just at the cutting blade 25 is installed, the user can place the bar at an accurate position. Even if the gold 2 is not placed, the bar 2 can be reliably set to the bar opening device 10 simply by placing it in a rough position.

  Then, the modification of this embodiment is demonstrated. FIG. 7 is a perspective view of the bar opening device according to the modification of the present embodiment in a closed state. In the above embodiment, the open / close coupling fitting (hinge) 35 is employed as the open / close coupling tool that couples the pair of half cylinders 20 so as to be openable / closable. However, in this modification, the open / close coupling tape 40 is used as the open / close coupling tool. Adopted.

  The open / close connecting tape 40 is affixed to the outer surfaces of the first half cylinder 20a and the second half cylinder 20b, and opens and closes the first half cylinder 20a and the second half cylinder 20b in the same manner as in the above embodiment. Connect freely. According to this modification, it is possible to achieve the same operational effects as in the above embodiment, and to further simplify the structure of the bar-opening device 10 '.

  As mentioned above, although embodiment of this invention was also described in detail including the modification, this invention is not limited to the said embodiment, A various deformation | transformation is possible within the range which does not deviate from the main point of this invention. . For example, the shape, size, material, etc. of the members constituting the bar opening device can be changed as appropriate.

  In the above embodiment, the inner surface of the cylindrical body composed of a pair of half cylinders has a cylindrical shape and the outer surface has an octagonal prism shape, but both the inner surface and the outer surface may have a cylindrical shape or a prismatic shape, and the inner surface may have a prismatic shape. The outer surface may be cylindrical and can be changed as appropriate.

  Moreover, in the said embodiment, although the rod-shaped guide pin is employ | adopted as a guide member, if it is a member of the shape which can guide a metal rod to an appropriate position, it will guide other shape members suitably. It can be employed as a member.

DESCRIPTION OF SYMBOLS 10 Bar opener 20 Half cylinder 21 Cutting blade installation groove 22 Screw hole 23 Finger insertion notch 25 Cutting blade 26 Fixing hole 28 Fixing long screw 30 Guide pin 31 Taper part 35 Opening and closing connection metal fitting 36 First blade 37 Second Feather 38 Hinge shaft 40 Opening and closing connecting tape 2 Bar metal 3 Coin 4 Vinyl film 4a Ear

Claims (4)

In a bar opening device for opening a bar metal package,
A first half cylinder;
A second half cylinder that forms a hollow cylinder combined with the first half cylinder;
An opening / closing connector that connects the first half cylinder and the second half cylinder in an open and closed state in a closed state and an open state,
A pair of first cutting blades disposed opposite to each other at an interval slightly shorter than the total length of the bar metal inside the first half cylinder;
A pair of second cutting blades disposed opposite to each other at an interval slightly shorter than the entire length of the bar metal inside the second half cylinder,
And closing the first half cylinder and the second half cylinder in a state where the bar is set inside the first half cylinder or the second half cylinder, A metal bar opening metal fitting configured to cut the ears at both ends of the package of the metal bar by a cutting blade and a second cutting blade.   A pair of guide members installed on the inner side of the first half cylinder with the pair of first cutting blades sandwiched between the pair of the guide members at substantially the same interval as the full length of the bar. The bar according to claim 1, further comprising a pair of guide members configured so that the ear of the bar is positioned at the first cutting blade when the bar is fitted. Opening instrument.   The first cutting blade is detachably installed on the first half cylinder, and the second cutting blade is detachably installed on the second half cylinder. A bar opening device according to claim 1 or 2.   Finger insertion notches are formed in the side edges of the first half cylinder and the second half cylinder, and when the first half cylinder and the second half cylinder are combined, a pair 4. The bar opening device according to claim 1, wherein said finger insertion notches are combined to form a finger insertion hole.

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