JPH0517091B2 - - Google Patents

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention relates to an improvement in a binding device that binds objects by wrapping a binding tape around the objects. The present invention relates to a binding device that allows a binding tape to be easily peeled off and removed from objects to be bound, and can be used for binding long objects such as green onions and chrysanthemums, bread bags, etc.

(Background of the Invention) Conventionally, binding devices have been known that use binding tape to bind long objects such as green onions and chrysanthemums. This binding device has a binding arm that works together with a clamping device that clamps the cut end of the binding tape to wrap the binding tape around the object, as shown in, for example, Japanese Utility Model Application No. 57-6704. The binding arm and the clamping device are moved relatively apart from each other, the binding tape is wound around the object to be bound, and the ends of the binding tape wound around the object to be bound are held together by the clamping device. The objects to be bound are bound by pressure contact between a pressure receiving plate provided on the binding arm and a pressure contact plate provided on the binding arm.

By the way, when using a bound object that has been wound with a binding tape to form a bound structure, the binding tape is peeled off and removed from the bound object. Since the binding tape itself cannot be easily cut by hand, the binding tape is removed by cutting the wound tape using a knife or by pinching the wound edges. In either case, it was difficult to peel off and remove the binding tape, so
-As disclosed in Publication No. 47459, it has been considered to use a binding tape that is weak in strength and easily cut and destroyed, but this is because the binding tape itself has the property of being easily cut and destroyed. Furthermore, there is a risk that the binding tape may be cut and destroyed during the binding of the objects to be bound.

(Object of the Invention) The present invention has been made in view of the above-mentioned problems of the prior art, and its objects are to prevent the binding tape from being cut and destroyed during binding, and to remove the binding tape from the objects to be bound after binding. An object of the present invention is to provide a binding device that allows easy peeling and removal of .

(Structure of the Invention) The structure of the present invention includes a binding arm that winds the binding tape around an object in cooperation with a clamping device that clamps the cut end of the binding tape, and the binding arm and the clamping device The binding tape is wound around the object to be bound, and the winding ends of the binding tape wound around the object to be bound are connected to the pressure receiving plate provided on the clamping device. In the binding device, the binding device is configured to bind objects by pressure bonding with a pressure contact plate provided on the binding arm, wherein a pressure receiving surface of the pressure receiving plate is attached to at least one of the clamping device and the binding arm. The present invention is characterized in that a cutting/destroying point forming member for forming a cutting/destroying point of the binding tape is provided on the wound tape between the binding tape and the object to be bound.

(Example) In Fig. 1, 1 is a base, 2 is a frame, 3
is a clamping device, and a binding arm 4 is attached to the frame 2.
and a tape reel 5 are provided, and the binding arm 4 is biased in the upright direction by a spring 6 so that it can be raised and lowered relative to the frame 2, and 7 is a support shaft of the tape reel 5. A gear 8 is attached to the support shaft 7, and a sector gear 9 is attached to the rotating base of the binding arm 4. A rewinding means for rewinding the tape in the direction of arrow A in the figure is provided, and the binding tape is tightened when the binding tape is wound around the object to be bound. A binding tape 11 is attached to the tape reel 5, guide rollers 12, 12 are provided on the binding arm 4, and the binding tape 11 extends toward the clamping device 3 via the binding arm 4. The cut end portion 11 is to be held by this holding device 3. The free end portion 13 of the binding arm 4 waits above the clamping device 3 when the binding arm 4 is in an upright state, and a binding tape crimping/cutting mechanism 14 is provided on this free end portion 13. There is. The binding tape crimping/cutting mechanism 14 includes pressure rollers 15, 15.
It is generally composed of a cutting blade 16, and a pressing plate 17, and the pressing rollers 15, 15 are held by a spring (not shown) so as to absorb the displacement when they collide with a rotating body, which will be described later. It is biased in the direction toward the device 3.

The function of the pressure contact plate 17 will be described later.The clamping device 3 has a pair of upright plates 18, and the pair of upright plates 18 are provided at a predetermined interval in the width direction of the base 1. It is being A support shaft 19 is spanned between the pair of upright plates 18, a swing plate 20 is rotatably provided on the support shaft 19, and a support shaft 21 is spanned over the swing plate 20. .
A rotating body 22 is rotatably supported on this support shaft 21, and 23 is a mounting table. The clamping device 3 is
A clamping/crimping part 24 is provided on the side closer to the mounting table 23, and the clamping/crimping part 24 has a clamping wall 25 and a pressure receiving plate 26, and the cut end 11a of the binding tape 11 is rotated. The body 22 and the clamping wall 25 cooperate to hold the body 22 in the clamping device 3.

Reference numeral 27 denotes an object to be bound, which is placed on the mounting table 23 while pulling out the binding tape 11. By tilting and moving the binding arm 4, the binding tape 11 is placed around the object 27 to be bound. The pressure contact plate 17 cooperates with the pressure receiving plate 26 to
The clamping device 3 has the function of pressing and bonding the winding ends of the binding tape wound around the object 27 to each other, and the clamping device 3 has the object 27 attached to the object 27 on the side closer to the mounting table 23.
When 7 is a long object having leaves such as spinach or chrysanthemum, the leaves of the long object are connected to the pressure contact plate 17 and the pressure receiving plate 2.
A leaf shielding plate 28 is provided to prevent the binding tape 11 wound around the object 27 from entering the space facing the object 6 . In order to prevent the winding end from being pinched by the clamping device 3, a winding end release member 29 is provided for retracting the winding end from the clamping area. It is said that it moves up and down in conjunction with.

The objects to be bound 27 are wound with the binding tape 11 to form a binding structure 30, so as shown in FIGS. A cutting/destroying part forming member 31 for forming a cutting/destroying part of the binding tape is provided between the upper part and the upper part. This cutting fracture point forming member 31 is provided on a needle protrusion 32 that projects upward from the upper surface of the pressure receiving plate 26, and is provided at the wound end 11 of the binding tape.
As shown in FIG. 4, a diamond-shaped hole 33, which serves as a cutting/destruction point, is formed in the portions b and 11c on the side closer to the object to be bound 27. Here, two diamond-shaped holes 33 are provided at intervals in the width direction of the binding tape, and when the winding ends are bonded together, the needle projections 32 touch the winding ends 11b and 11c. Through the winding end 11 as shown in FIG.
A diamond-shaped hole 33 is formed in both of b and 11c.

The base material of the binding tape 11 is made of polyester, polypropylene, or hard vinyl chloride resin (polyvinyl chloride). (equivalent to vinyl chloride), but binding tape 1
Materials using polyester, polypropylene, hard vinyl chloride resin, etc. as the base material of No. 1 are easier to cut and break than those using soft vinyl chloride resin, etc., and the parts of the binding tape that are cut and broken are as follows: As shown in FIG. 5, they are formed in portions of the winding ends 11b and 11c that are close to the object 27 and are not bonded to each other. The shape of the broken part of the binding tape is as follows:
The configuration is not limited to the diamond shape, but also the configuration of the oval hole 34 as shown in FIG. The number of diamond-shaped holes 33 can also be three or more as shown in FIG. 9. Further, as shown in FIG. 10, a plurality of slits 35' are formed in the longitudinal direction of the winding ends 11b and 11c by a razor or the like on one edge in the width direction, and as shown in FIG. As shown, it is also possible to form a slit 35' on one edge in the width direction of the winding end, which does not extend to one edge. In addition to this, Figures 12 and 13
As shown in the figure, it is also possible to form streaks 36 using a pressing means and use these as the cutting and breaking points of the binding tape.

FIG. 14 shows a second embodiment of the binding device according to the present invention, in which a cutting breakage point forming member 31 is provided on the side facing the object to be bound 27 out of each surface of the press plate 17. Since the other configurations are substantially the same as those of the first embodiment, the same components as those of the first embodiment are denoted by the same reference numerals, and detailed explanation thereof will be omitted.

In this embodiment configured in this way, first, when the cutting and breaking point forming member 31 is provided in the clamping device 3 as shown in FIG. 3, the object to be bound 27 shown in FIG. When the binding tape 11 stretched between the binding tape 11 and the free end 13 of the binding arm 4 is pressed and placed on the mounting table 23, the binding tape 11 is cut and destroyed by the cutting damage point forming member 31. Ru. When this cutting breakage point is formed, the binding tape 11 is pulled by the pushing force of the object 27 to be bound, but this binding tape 11
Since this is a normal binding tape 11 that does not have any breakage points, the binding tape 11 will not be broken during binding. Next, as shown in FIG.
3, the cutting fracture location is formed in the following manner. That is, even if the binding arm 4 shown in FIG. 1 is tilted and a pulling force is applied to the binding tape 11 by the unwinding mechanism, the binding tape 11 has not yet been cut and broken, so the binding tape 11 is will not break. Then, the binding arm 4 is further tilted, and the pressure plate 17 provided on the binding arm 4 and the pressure receiving plate 26 provided on the clamping device 3 approach each other, and in the process of these two being pressed against each other, the binding tape 11 is cut as a breakage point forming member. A cutting break point is formed at 31.

FIG. 15 shows a third embodiment of the binding device according to the present invention, in which a cutting fracture point forming member 31 is provided on the abutment surface 37 of the pressure contact plate 17 that abuts against the pressure receiving plate 26.
A needle protrusion 32 is formed as a needle protrusion, and an entry allowing space is formed in a portion of the pressure receiving plate 26 facing the needle protrusion 32 to allow the needle protrusion 32 to enter.

In this case, the cutting failure point is the part where the winding ends 11b and 11c are pasted together and glued together, as shown in FIG.
It is formed on the side near 7.

Although the embodiments have been described above, the present invention is not limited thereto and includes the following.

(a) As the binding tape, in addition to pressure-sensitive adhesive tape, heat-sensitive adhesive tape and heat-welding tape can also be used.

(b) In the embodiment, the cutting failure point is formed by the needle protrusion, but it is also possible to form the cutting failure point by thermally melting the winding end.

(C) In the first embodiment, the diamond-shaped hole 35 is formed at both ends of the winding, but it is also possible to form the diamond-shaped hole 33 at either end of the winding. .

(d) As shown in FIG. 16, the relative positions of the pressure contact plate 17 and the pressure receiving plate 26 are shifted so that the winding end portions 11
It is also possible to adopt a configuration in which b and 11c are pressed together.

(Effects of the Invention) As detailed above, according to the present invention, at least one of the clamping device and the binding arm includes a pressure-receiving surface of the pressure-receiving plate, and the binding tape is applied to the wound tape between the pressure-receiving plate and the object to be bound. Since the cutting failure point forming member for forming the cutting failure point is provided, the cutting failure point can be formed in the bonded and non-bonded portions of the binding tape that binds the objects without breaking the binding tape during binding. be able to. This makes it possible to reliably bind the objects to be bound, and also to easily break the binding tape from the cut and broken part, making it easy to peel off the binding tape from the objects to be bound.

[Brief explanation of drawings]

FIG. 1 is an overall side view of a binding device according to the present invention;
FIG. 2 is an enlarged view of the main parts of the binding device according to the present invention, and is a view of the crimping state in FIG. 4 is a perspective view of the bundling structure according to the present invention, FIG. 5 is a vertical sectional view of the bundling structure according to the present invention, and FIGS. 6 to 12 are the bundling structure according to the present invention. 13 is a side view of the wound end shown in FIG. 12, and FIG. 14 is a schematic diagram showing a second embodiment of the binding device according to the present invention. FIG. 15 is a configuration diagram of main parts showing a third embodiment of the binding device according to the present invention, and FIG. 16 is a configuration diagram of main parts showing still another embodiment of the binding device according to the invention. , is. 3... Holding device, 4... Binding arm, 11... Binding tape, 11a... Cut end, 11b, 11c...
... Winding end portion, 27 ... Object to be bound, 30 ... Binding structure, 31 ... Cutting and destruction point forming member.

Claims (1)

[Claims] 1. Having a binding arm that winds the binding tape around the object in cooperation with a clamping device that clamps the cut end of the binding tape, and moving the binding arm and the clamping device relatively apart from each other, A binding tape is wound around the object to be bound, and the winding ends of the binding tape wound around the object to be bound are brought into pressure contact with a pressure receiving plate provided on the clamping device, which is provided on the binding arm. In a binding device that binds objects to be bound by crimping between the clamping device and the binding arm, at least one of the clamping device and the binding arm includes a pressure-receiving surface of the pressure-receiving plate; A binding device characterized in that the wound tape is provided with a cutting/destroying part forming member for forming a cutting/destroying part of the binding tape.