JP2934947B2 - Binding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tying device for automatically tying a string for tying an article.

[0002]

2. Description of the Related Art Conventionally, such a binding device has been disclosed in Japanese Patent Publication No. 56-14522 and Japanese Patent Application Laid-Open No. 6-1308.

[0003] All of the publications disclosed in the above publications are shown in FIG.
As shown in the drawing, one end of the string S is formed on the other end of the string.
g, and the other end of the string is squeezed into the twill Sh formed at one end of the string S so as to squeeze it, which is a so-called piece knot or quad knot. .

[0004]

All of the above-mentioned conventional tying devices tie a string with a knot called a piece knot or a four-knot. Since the knotting is performed simultaneously, the tightening of the string is usually much less than the method of manual knotting (crossing the strings around the article, squeezing, and then tying the knot at this intersection) There was a risk that this would not be done. Therefore, if the goods to be bound are soft and elastic,
After bundling, there is no problem because the surface comes into close contact with the string due to its elastic restoring force, but if the article is not firmly deformed, there is a problem that a gap is created between the article and the string and the binding is loosened. I was

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned conventional problems and to provide a tying device capable of performing a secure string tying that is the same as that of a human, regardless of automatic tying by a machine.

[0006]

In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention comprises a main body having a rotating body for winding a string and a hook engaged with the string. A supply unit for guiding and supplying the string to a predetermined position, a tension mechanism for pulling the string at a predetermined timing, and a holding unit for the string opposite to the upper end of the rotating body to form a binding device; The part is a support plate erected on a base, a rotating body rotatably mounted on the surface of the support plate and having a plurality of pins protruding on the surface, and a protruding and retracting lower part of the rotating body. And a hook provided so as to be movable back and forth, and the string hung between the pins is pulled by the hook to form a loop of the string around which the article is wound. Guide so that its tip can rotate at a predetermined position. Vertically held by the crank body,
The pulling mechanism section includes a lifting body attached to a rod vertically suspended on the base so as to be able to be driven up and down, and a holding member for holding a supplied string at a constant pressure. The pulley is attached to the holding unit, and the holding unit stores the pin with the notch formed at the tip in a cylindrical holder so that it can protrude and retract, and the rotation of the guide causes the cord supplied from this guide to protrude from the holder. When the pin is immersed in the holder and the pin is immersed in the holder, the leading end side of the string hooked on the notch is drawn inside the wound string, and a knot is tied to the leading end of the wound string. Was formed.

According to a second aspect of the present invention, there is provided the rotating body according to the first aspect of the present invention, wherein a holding pin capable of holding a string and a pair of pins having a convex tip are provided at equal intervals on a concentric circle, and the rotating body is provided with The pins are provided so as to be able to protrude and retract from the outside of the pin, and by rotation of the rotating body, two continuous rings are formed by one string, and the string forming one ring is By pulling with a hook from the outside of the string, the order of the loop is switched, and when winding the string on the article, which is the stage before forming the knot on the string, both ends of the string are below the wound string It is designed so that the joints drawn from the sword are connected.

[0008] The invention described in claim 3 is claim 1 or 2.
The rotating body in the described invention is an annular gear, and the articles to be bound can be set through the annular gear.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of a main portion showing a binding device of the present invention, FIG. 2 is a side view thereof, and FIG. 3 is a rear view. As shown in the figure, the binding device of the present invention includes a main body A provided with an annular gear 4 that is a rotating body that winds the string S, a hook 5 that engages with the string S, and a predetermined position of the main body A. A string supply unit B for guiding and supplying the string S, a tension mechanism C for applying a constant back tension to the string S, and pulling the string S at a predetermined timing; And a string holding portion D provided opposite to the first portion.

The main body A includes a support plate 2 suspended on a base 1.
A ring gear 4 is rotatably mounted via a holding gear 3, and a cylinder for driving a hook 5 in a front-rear direction (left-right direction in FIG. 2) is provided on a support plate 2 below the gear 4. A device 6 is mounted, and a cylinder device 7 for driving a cord supply unit D described later in a front-rear direction (left-right direction in FIG. 2) is mounted on the support plate 2 above the gear 4.

The annular gear 4 has peripheral teeth formed in a substantially V-shape in side view, and holding gears 3, 3 having mountain-shaped teeth attached to three sides around a through hole 2 a of the support plate 2.
By being meshed with 3, it is rotatably held and cannot be removed. The annular gear 4 is also meshed with a drive gear 9 attached to a drive shaft 8a of a motor 8 at a predetermined position, and is driven to rotate by the motor 8. On the surface of the annular gear 4, a pin 10 capable of hooking a string S and a pair of pins 11, 11 having a convex end are provided at equal intervals on a concentric circle, and the convex pin 11 outside the concentric circle is provided. , Pin 1 outside pin 11
2, a pin 12 is provided. The pin 12 is inserted through the gear 4 so that the pin 12 can move in a direction of protruding and retracting from the surface of the ring gear 4.

The string supply section B is held on the upper front side (right side in FIG. 2) of the support plate 2 via the above-described cylinder device 7, and has a substantially J-shaped pipe-shaped guide having a string insertion hole 13a. 13, a pair of upper and lower crank bodies 14 that vertically hold the guide 13 so that the tip thereof can rotate at a predetermined position, and a motor 15 that drives the crank body 14 to rotate.

The crank body 14 includes a rotation shaft 14b to which a pulley 14a is fixed, a crank rod 14c fixed to a tip of the rotation shaft 14b, and a crank rod 1c.
A revolving shaft 14d rotatably attached to the guide 4c and having the guide 13 inserted therethrough.

In FIG. 1, reference numeral 16 denotes pulleys 14a, 14a of the crank bodies 14, 14, and a motor 15
Power transmission belt suspended between the pulley 15a of FIG.

As shown in FIG. 1, the string pulling mechanism C is provided on one side of the main body A, and is provided on a pair of rods 17 and 18 erected on the base 1 so as to be movable up and down. A pulley 20 on which a string S is hung is attached to the elevating body 19. The string S used for binding is held by a holding member 21 provided on one upper side of the rod 17.
a and 21b, pulley 22, pulley 2
0, a pulley 23, and a pulley 24 are sequentially hung and sent to the supply unit B, inserted through the through hole 13a of the guide 13, and pulled out from the lower curved tip.

The holding portion D of the string is opposed to the upper end of the annular gear 4, and a pin 25 having a notch 25a at the end as shown in the cross-sectional view of the main part of FIG. A push-back piece 27 for pushing back the pin 12 is provided on both right and left sides of the holder 26 so as to protrude and retract.

The holding portion D of the string is provided on the base 2 so as to be driven by a driving device (not shown) in a direction of coming and coming from the annular gear 4.

In FIG. 4, reference numeral 28 designates a cylinder device for driving the pins 25 in and out, and reference numeral 29 designates a string cutting device having a heater 29a for burning the string S at its tip. In FIG. 2, reference numeral 30 denotes a holding device that fixes and holds the leading end of the articles to be bound, 31 denotes a cylinder device that pushes an elastic piece 32 that contacts the rear end of the pin 12, 33
Indicates a cylinder device for driving the hook 5 up and down.

Next, the operation of the binding device of the present invention having the above configuration will be described in order. First, the tip of the pin 10 urged in the direction of closing by the spring 34 is expanded, and the holder 13 Insert the tip of the pulled out string S,
Get ready. Next, when a switch (not shown) is turned on to operate the apparatus, first, the motor 8 is operated, and the annular gear 4 meshed with the drive gear 9 of the motor 8 is rotated in the direction indicated by the arrow in FIG. As a result, the string S, the tip of which is fixed by the pin 10, hangs over the protrusions 11 a, 11 a of the pins 11, 11 to form a triangular ring, as shown in FIG. 5.

Further, the motor 8 operates to operate the ring gear 4.
At this time, the cylinder device 31 provided on the back surface of the support plate 2 operates to push the elastic piece 32 toward the back surface of the ring gear 4. As a result, the rear ends of the pins 12, 12 provided through the annular gear 4 are elastic pieces 32.
Is pushed out to the surface side of the annular gear 4. At this time, the cylinder device 7 is simultaneously operated to push the guide 13 forward (to the right in FIG. 2). Therefore, the string S supplied from the guide 13 is
The second loop is formed as shown in FIG. In this way, two continuous rings are formed by the string S, and the motor 8 stops.

Next, the cylinder device 33 operates to raise the hook 5. At the same time, the cylinder device 28 of the holding part D
Is also operated to push the pin 25 out of the holder 26. As a result, the pin 25 connects the lower string S forming the second loop located in front of the pin 25 to the hook 5 appearing behind the loop.
Push in the direction. FIG. 7 is a side view showing this state. Then, when the hook 5 descends, the string S is hooked and pulled downward, and the front and rear relationship of the two wheels is switched. FIG. 8 shows a state in which the two rings are formed so as to overlap. In this state, once the binding device stops, the article to be bound (not shown) is inserted through the loop, and the tip is held by the holding device 30 provided on the back side of the support plate 2.

When the operation of the binding device is resumed or continued in this state, the lifting / lowering body 19 of the pulling mechanism C descends, and the string S suspended on the pulley 20 of the lifting / lowering body 19 is pulled downward. . At this time, one of the strings S hooked on the pulley 20 is held by the holding members 21a and 21b at a constant pressure, so that the string S is mainly
Will be pulled on the other side. At the same time, the push-back piece 27 of the holding portion D moves toward the annular gear 4 to push the pin 12 protruding from the annular gear 4 back to the original state, and the hook 5 is raised by the cylinder devices 6 and 33, and The string S is removed from the pins 11 and 12 by being pushed forward (to the right in FIG. 2). Therefore, the string S is squeezed while being wound around the article. At this time, as described above, since the two rings formed by the string S are interchanged in the front-rear relationship, as shown in FIG.
Since a and Sb are pulled out from the lower side of the wound string Sc and joined together, the strangulation is performed reliably, and the loosening hardly occurs.

The pin 1 formed by the push-back piece 27 described above is used.
At the time of pushing back 2, it is assumed that the cylinder device 31 is not operating and the elastic piece 32 has returned to the original state.

Next, the cylinder device 7 is operated to push out the supply section B so that the tip of the guide 13 is located on the pin 25 of the holding section D. Then, the motor 15 of the supply unit B operates to drive the guide 13 so that its tip rotates around the pin 25 of the holding unit D. As a result, FIG.
As shown in (1), the base end Sa of the string S around which the article (not shown) is wound is wound around the pin 25. Then motor 8
Operates to rotate the annular gear 4 about half a turn in the reverse direction. As a result, the leading end S of the string S held by the pin 10
b is hooked on the notch 25a of the pin 25, and the pin 25 is pulled into the holder 26 in this state.
The leading end side Sb of the string S is drawn inside the wound string Se, and a knot is formed on the string S.

In the above operation, the pin 10 releases the leading end Sb of the held string S, and also holds the base end Sa of the string S supplied from the guide 13 for the next binding. I will prepare it.

The two ends Sa and Sb of the string S thus connected in a T-shape are joined together. At this time, one end of the string S binding the articles is held between the pin 25 of the holding part D and the holder 26, and the other end is held by the holding pins 10 of the main body A. In this state, an ironing board (not shown) is driven to press the knot from one side of the string S toward the article, and the hook 5 is driven to pull the knot from the other side of the string S toward the article to narrow the knot.

After tightly squeezing the knot of the string S as described above, the cutting device 29 shown in FIG. 4 is driven to press the heater 29a at its tip against the string S between the article and the pin 10 to bind the string. Burn off the base end of the string S. Next, the pin 25 of the holding portion D is made to protrude, and the leading end of the string S sandwiched between the holder 26 and the holder 25 is released. As a result, the relation between the string S that tied the articles and the tying device is cut off,
The article is released from the tying device and taken out by releasing the holding device 30 holding its tip fixedly. Thus, a series of binding work is completed.

FIG. 11 is a simplified view showing a state in which the binding by the apparatus of the present invention has been completed as described above.

As described above, the binding device of the present invention operates,
By repeating the above operation, similar binding work can be repeated.

In the above description, an example is shown in which the heater 29a is used to cut the string S after binding, but the string S may be cut with a cutter or the like. In the above example, the ring gear 4 is rotatably held by using the holding gear 3. However, the ring gear 4 may be rotatably attached to the support plate 2 so as not to be pulled out. It may be held by a roller or the like. Further, if the tip of the article is to be bound, the annular gear 4 may be a flat plate having no center hole. In this case, pins 11 and 12 are projected on the surface instead of the annular gear 4. What is necessary is just to drive this rotary body directly using the provided disk-shaped rotary body.

[0032]

As described above, according to the first aspect of the present invention, a loop is formed with a string so as to wind an article, and then the string is automatically tied. Yes,
The efficiency of the binding operation can be improved.

According to the second aspect of the present invention, in addition to the effect of the first aspect, when the string is wound around the article before the knot is formed on the string, the string is hardly loosened. Since the T-shaped connection is performed, the string is tightly tightened, and the articles can be firmly and securely bound.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, the setting of the articles to be bound is facilitated, the restriction on the location of the binding is reduced, and the use correspondence is improved. Is peeled off.

[Brief description of the drawings]

FIG. 1 is a main part front view showing an embodiment of a binding device according to the present invention.

FIG. 2 is a side view of the binding device shown in FIG.

FIG. 3 is a rear view of the binding device shown in FIG. 1;

FIG. 4 is a cross-sectional view of the binding device shown in FIG.

FIG. 5 is a front view of a main part showing an initial state of a winding operation.

FIG. 6 is a front view of a main part showing a state next to the winding operation.

FIG. 7 is a side view of main parts in the state shown in FIG. 6;

FIG. 8 is a main part front view showing a completed state of the winding operation.

FIG. 9 is an enlarged side view of a main part for explaining formation of a knot.

FIG. 10 is a simplified diagram showing a T-joint formed by the apparatus of the present invention.

FIG. 11 is a simplified view showing a completed state of binding by the device of the present invention.

FIG. 12 is a simplified diagram showing a tying formed by a conventional device.

[Explanation of symbols]

 Reference Signs List A main body part B supply part C tension mechanism part D holding part S string 1 base 2 support plate 3 holding gear 4 annular gear 5 hook 6, 7, 28, 31, 33 cylinder device 8, 15 motor 10 holding pin 11, 12 Pin 13 Guide 14 Crank body 16 Belt 14a, 15a, 20, 22, 23, 24 Pulley 21a, 21b Clamping member 19 Lifting body 25 Pin 25a Notch 26 Holder 27 Push-back piece 29 Cutting device 30 Holding device 32 Elastic piece

Claims (3)

(57) [Claims] 1. A main body having a rotating body for winding up a string and a hook engaged with the string, a supply section for guiding and supplying the string to a predetermined position, a tension mechanism section for pulling the string at a predetermined timing, A main body portion is provided on a support plate erected on a base, and the main body portion is rotatably attached to a surface of the support plate; A plurality of pins protrudingly arranged, and a hook provided so as to be able to protrude and retract in the lower front of the rotator and to move back and forth, and a string suspended between the pins is pulled by the hook, A supply loop is formed so that a loop of a string around which the article is wound is formed. The supply unit includes a pair of crank bodies such that a pipe-shaped guide having a string insertion hole can rotate a predetermined point at a tip thereof. The tension mechanism is suspended vertically on the base. The lifting and lowering body attached to the rod that can be raised and lowered, and a holding member that holds the supplied string at a constant pressure, a pulley for hanging a string is attached to the lifting and lowering body, A pin having a notch formed at the tip is housed in a cylindrical holder so as to be able to protrude and retract. By rotation of the guide, a cord supplied from this guide is wound around a pin protruding from the holder. When the pin is immersed in the holder, the leading end side of the string hooked on the cutout is drawn into the wound string and a knot is formed at the leading end of the wound string. A binding device, characterized in that: 2. A rotating body is provided with a holding pin capable of holding a cord and a pair of pins having a convex end at equal intervals on a concentric circle, and each of the pins is capable of protruding and retracting outside the convex pin. Provided, by the rotation of the rotating body, two continuous rings are formed by one string, and the string forming one ring is pulled by a hook from the outside of the other ring, the order of the rings is reversed. And when the string is wound around the article, which is a stage prior to forming the knot on the string, the ends of the string are each connected in a T-shape pulled out from below the wound string. The binding device according to claim 1. 3. The binding device according to claim 1, wherein the rotating body is an annular gear.