JP2000326918A - Binding machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a binding machine of which constitution can be simplified. SOLUTION: When a bound member M is inserted into a notch 21, a pushing- down arm 63 pushes down a switch piece 61a through an operating arm 62, a lock arm 64 locks the switch piece 61a under its pushed-down state, a rotary disc 50 is rotated to drive a feeding-out mechanism and a binding mechanism and at the same time this rotary disc 50 is rotated approximately one round, a protrusion 51 formed at an outer circumference of the rotary disc 50 rotates a lock releasing arm 65, resulting in that the pushing-down arm 63 and the lock arm 64 are moved away from the switch piece 61a to stop rotation of the rotary disc 50, thereby a control over a power supply can be carried out only through a turning-on or turning-off of a micro-switch 61 in order to stop an operation of each of a feeding-out mechanism 30 and a binding mechanism and so its constitution can be simplified.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a binding machine, and more particularly to a binding machine for binding members to be bound with a wire or a wire-like body (hereinafter, referred to as a wire) that can be twisted and bound like a wire.

[0002]

2. Description of the Related Art In a conventional binding machine, a frame having a bifurcated shape on the front side, a wire body is fed out to a cutout portion formed between the bifurcated portions, and a periphery of a binding member inserted into the cutout portion. A binding mechanism that winds the wire body and binds the wire body, and detects that the member to be bound is inserted into the cutout portion and drives the binding mechanism to detect that the binding is completed. And a control circuit for stopping the operation. With such a configuration, when the operator inserts the tied member into the notch portion, the insertion is detected, and the tying mechanism is driven, and the wire is fed out to the notch portion to surround the tied member. Wrap and tie the wire together. When the binding is completed, the completion is detected and the binding mechanism is stopped.

In the conventional binding machine described above, in order to control the driving and stopping of the binding mechanism, the control circuit including a plurality of changeover switches and a circuit for controlling these switches is required. , The configuration was complicated.
The present invention has been made in view of the above problems, and has as its object to provide a binding machine capable of simplifying the configuration.

[0003]

In order to achieve the above object, the invention according to claim 1 comprises a main body having a bifurcated shape on the front side and having a rotating body mounted to rotate in a predetermined direction when power is turned on. During the rotation of the rotating body by a predetermined amount, the wire body is fed out to a cutout portion formed between the two forks, and wound around a member to be bound inserted into the cutout portion to bind the wire body. A power switch capable of turning on the power to the main body by a pressing operation; an operating unit formed to traverse the cutout portion to advance and retreat in the front-rear direction so that the power switch can be pressed; A lock unit that locks the power switch in a pressed state when the power switch is pressed, and a lock release unit that unlocks the power switch when the rotating body rotates the predetermined amount. It is constituted comprising a power control mechanism comprising a. In the invention according to claim 1 configured as described above, when the operator inserts the tied member into the notch formed on the front side of the main body, the operating portion formed while traversing the notch. Moves to the rear side and depresses the power switch, and the lock unit locks the power switch in a depressed state. Since the power switch turns on the power to the main body, the rotating body rotates in a predetermined direction. The binding mechanism feeds the wire into the cutout portion while the rotating body rotates by a predetermined amount, and winds the wire around the member to be bound inserted into the cutout portion to bind the wire together.

The main body may have a bifurcated shape on the front side and a rotating body that rotates in a predetermined direction when power is turned on. A plate having the bifurcated shape is laminated on each of the bodies. The above-described binding mechanism may be arranged, or a member formed in a hollow shape and incorporating the same binding mechanism may be used. Further, since this rotating body only needs to rotate in a predetermined direction when the power is turned on, it may be formed in a disk shape, may be formed in a cylindrical shape, or the like. Is also good.
The binding mechanism feeds the wire body into a cutout portion formed between the forked portions while the rotating body rotates by a predetermined amount, and winds the wire body around a member to be bound inserted into the cutout portion. Any device may be used as long as the wires are bound together, and the device may be driven by the rotating member, or may be driven by a separately provided driving source to interlock the rotating member. The power supply control mechanism includes a power switch capable of turning on the power to the main body by a pressing operation, an operating unit formed to traverse the cutout portion, and configured to advance and retreat in the front-rear direction so that the power switch can be pressed. A lock unit that locks the power switch in a pressed state when the unit presses the power switch; and a lock release unit that unlocks the power switch when the rotating body rotates by the predetermined amount. Anything is fine.

According to a second aspect of the present invention, as an example of the configuration of the power supply control mechanism, in the binding machine according to the first aspect, the operating portion moves forward with one end crossing the notch portion. An operating arm that supports the other end at one side of the cutout portion such that the one end is rotatable rearward, and is biased to the same side while restricting rotation to the same side. A push arm that supports one end of the operating arm so that the other end of the power switch can be pushed rearward by the other end while the other end of the power switch is directed to the rear side. A lock arm that urges the same side while restricting the rotation of the power switch, and locks the power switch in a depressed state by a cut formed at the other end so that the other end faces the rear side while the other end faces the rear side. The lock release unit,
A convex portion formed in a part of the outer periphery of the rotating body in the radial direction; and when the rotating body rotates by the predetermined amount and presses one end to the one side by the convex portion, the other end is pressed down. An unlocking arm for supporting the other end rotatably between the same end and the other end while urging the other end to the same side so that the arm and the lock arm are pushed to the other side and separated from the power switch. This is a configuration including: In the invention according to claim 2 configured as described above, when the worker inserts the tied member into the cutout portion, one end of the operation arm is pressed rearward to rotate. When the operating arm rotates, the pressing arm supported while the other end is directed rearward from the operating arm presses the power switch toward the rear with the other end. At this time, the lock arm locks the power switch in a pressed state by a cut formed at the other end. Then, the power switch turns on the power to the main body, so that the rotating body rotates in a predetermined direction. When the rotating body rotates by a predetermined amount, a convex portion radially formed on a part of the outer periphery of the rotating body presses one end of the unlocking arm to the one side, and the other end is the pressing arm. And the lock arm is pressed to the other side, and the pressed arm and the lock arm are separated from the power switch. As described above, although the power supply to the main body can be controlled, the power supply control mechanism is not necessarily limited to the above-described member. It is also possible to arrange and configure members having different shapes from the viewpoint of controlling.

[0006]

As described above, according to the present invention, the binding mechanism can be driven or stopped only by pressing one power switch, so that the binding machine can be simplified in construction. Can be provided. Also,
According to the second aspect of the present invention, the power supply to the main body can be controlled only by arranging various members around the power switch and interlocking them.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a schematic configuration of a binding machine according to an embodiment of the present invention. For convenience, the left side of the paper is referred to as the front, and the upper side of the paper is referred to as the upper side.

The binding machine 10 includes a feeding mechanism 30 disposed behind the frame 20 to feed out the wire H, and a binding mechanism 40 disposed at the front side of the frame 20 to bind the members M to be bound. The wire body H fed from the feeding mechanism 30 is bound by the binding mechanism 40 to the member M to be bound.
At the front end of the frame 20, a notch 21 into which the member to be tied M can be inserted is formed. The member to be tied M is inserted into the notch 21, and the wire H pulled out from the feeding mechanism 30 is laid. It binds to the binding member M. The feeding mechanism 30 includes:
A feed groove formed from the rear end of the frame 20 to the depth of the notch 21; and a pair of feed rollers provided at the rear end of the frame 20, and a wire body H is provided between each feed roller.
And is extended to the back of the notch 21 through the extension groove. The binding mechanism 40 includes a substantially V-shaped arm disposed to the right of the notch 21, a twist head that twists and binds the leading end side and the feed side of the fed-out wire body H while holding them together. After the binding is completed, a cutter or the like for cutting the sending side of the wire body H is provided. With this configuration, the leading end side of the wire body H fed by the feeding mechanism 30 is rotated so as to cross the notch 21 by the concave portion of the substantially V-shaped arm, and the concave portion connects the leading end side of the wire body H to the binding member. Wrap around M. Then, the distal end side of the wire H and the sending side are twisted and bound, and the sending side is cut. The feeding mechanism 30 and the bundling mechanism 40 are connected to a disk body 50 that is mounted on the frame 20 and rotates counterclockwise when power is turned on. The drawing and bundling are performed by driving a substantially V-shaped arm or the like. Note that a part of the outer peripheral surface of the disk body 50 has
1 is formed, the wire H is fed out to the notch 21, and the wire H thus drawn is wound around the member M to be bound inserted into the notch 21, so that the wire H rotates about one turn until the binding is completed. Has become.

By the way, the frame 20 has a notch 2
A power supply control mechanism 60 is disposed behind the power supply 1 to control the turning on and off of the power to the disk 50. Power control mechanism 60
As shown in FIG. 2, a micro switch 61 having a switch piece 61a that can be turned on and off so as to turn on the power to the disc 50 when pressed and to shut off the power to the disc 50 when not pressed, Arm 6 crossing notch 21
Notch 21 on the right side of frame 20 while forming 2a
An operating arm 62 rotatably supported to the back of the arm, a pressing arm 63 for supporting the front end on the operating arm 62 while restricting the rotation to the left, and restricting the rotation to the left. And a lock arm 64 for supporting the front end. In addition,
The pressing arm 63 and the lock arm 64 are
2 are urged to the left by helical springs 63a and 64a, respectively. Further, between the disk body 50 and the pressing arm 63, while the rear end is in contact with the outer peripheral surface of the disk body 50, the key-shaped front end is in contact with the pressing arm 63, and these front ends An unlocking arm 65 provided with a support shaft 65a is provided near a midpoint between the rear end and the rear end. With this configuration, as shown in FIG. 3, when the member to be bound M is inserted into the notch 21 and the arm 62a formed on the operation arm 62 is pressed rearward, the support shaft 62b
Rotate clockwise around. Then, the pressing arm 63 moves rearward with the rotation of the operating arm 62,
The switch piece 61a of the micro switch 61 is pushed down at the rear end. The lock arm 64 rotates counterclockwise while being depressed once to the right while the switch piece 61a is being pushed down. When the switch piece 61a is completely pushed down, the lock arm 64 is pulled back to the left by the helical spring 64a, and is moved to the rear end. The switch piece 61a is rotated clockwise while the right end of the switch piece 61a is accommodated in the formed notch 64b to lock the switch piece 61a in a pressed state. Since the micro switch 61 is turned on, the power is supplied to the disk body 50, the disk body 50 is started, and the feeding mechanism 30 and the binding mechanism 40 are driven to wire the binding member M inserted into the notch 21 with the wire. The body H is united. When this binding is completed, as shown in FIG. 4, the disc 50 rotates about one turn, so that the convex portion 51 presses the rear end of the unlocking arm 65 to the left, and the unlocking arm 65 pushes the support shaft 65a. Rotate clockwise around. When the front end of the unlocking arm 65 moves rightward and presses the pressing arm 63 rightward, the pressing arm 63 rotates counterclockwise and the rear end is separated from the switch piece 61a. Further, since the right side surface of the pressing arm 63 presses the lock arm 64 rightward, the lock arm 64 also rotates counterclockwise, and the cut 64b is separated from the switch piece 61a. As a result, the switch piece 61a is in a non-pressed state, and the microswitch 61 is turned off, so that power to the disc 50 is cut off, the rotation of the disc 50 is stopped, and the feeding mechanism 30
And the binding mechanism 40 is stopped.

Accordingly, the frame 20 having the notch 21 formed at the front end thereof and the disk body 50 which rotates counterclockwise when the microswitch 61 is turned on.
In this sense constitutes the main body of the present invention. Further, a feeding mechanism 30 that feeds the wire body H into the notch 21 while the disc body 50 rotates about one turn, and a binding member M
The binding mechanism 40 that winds and binds the wire body H around the periphery constitutes the binding mechanism according to the present invention in this sense.

Next, the operation of the binding machine 10 according to the present embodiment will be described. When the worker inserts the tied member M into the notch 21, the tied member M pushes the arm 62a rearward, and the operating arm 62 rotates clockwise about the support shaft 62b. The pressing arm 63 moves rearward together with the operating arm 62, and presses the rear end of the pressing arm 63 against the switch piece 61 a of the microswitch 61 so that the switch piece 61
Press down a. The lock arm 64 includes a switch piece 61.
The right end of the switch piece 61a is housed and locked in the notch 64b in a state where a is pushed down. Then, when the micro switch 61 is turned on and the disk body 50 is powered on and starts rotating, the feeding mechanism 30 feeds out the wire H to the binding mechanism 40, and the binding mechanism 40 sends the wire H that has been fed out. Is rotated so as to traverse the notch 21 by the concave portion of the substantially V-shaped arm, and the distal end side of the wire body H is wrapped around the member M to be bound by the concave portion. Then, the distal end side of the wire H and the sending side are twisted and bound, and the sending side is cut.

When the binding is completed, the disk body 50 makes one full turn in the counterclockwise direction, and the protrusion 51 is
5 to push the rear end to the left.
Rotates clockwise about the support shaft 65a. The front end of the lock release arm 65 moves rightward to
Is pressed to the right, the lock arm 64 is also pressed to the right, so that the pressing arm 63 and the lock arm 64 are separated from the switch piece 61a. Since the switch piece 61a is in a non-pressed state and the micro switch 61 is turned off, the power supply to the disk body 50 is shut off, the rotation is stopped, and the feeding mechanism 30 and the binding mechanism 40 are stopped. The worker
When the tied member M inserted into the notch 21 is pulled out and another tied member M is inserted into the notch 21, the arm 62a is pressed rearward, so that the feeding mechanism 3
0 and the binding mechanism 40 are driven to perform binding. Thus, when inserting the member to be tied M into the notch 21,
The pressing arm 63 is connected to the switch piece 6 via the operating arm 62.
1a is depressed, and the lock arm 64 is switched to the switch piece 61a.
Is locked in a depressed state, the disc body 50 is rotated to drive the feeding mechanism 30 and the binding mechanism 40, and the disc body 50 is rotated about one turn to lock the convex portion 51 formed on the outer periphery of the disc body 50. When the release arm 65 is rotated, the push-down arm 63 and the lock arm 64 are separated from the switch piece 61a to stop the rotation of the disk body 50, thereby stopping the feeding mechanism 30 and the binding mechanism 40. The power supply can be controlled only by the on / off operation, and the configuration can be simplified.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a schematic configuration of a binding machine according to an embodiment.

FIG. 2 is a schematic view showing a switch mechanism before a member to be bound M is inserted into a notch;

FIG. 3 is a schematic diagram illustrating a switch mechanism when a binding member M is inserted into a notch to start binding.

FIG. 4 is a schematic diagram showing a switch mechanism when binding is completed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Binding machine 20 ... Frame 21 ... Notch 30 ... Feeding mechanism 40 ... Binding mechanism 50 ... Disc body 60 ... Power supply control mechanism 61 ... Micro switch 62 ... Operating arm 63 ... Pressing arm 64 ... Lock arm 65 ... Unlocking arm H … Wire M… Bundled member

 ────────────────────────────────────────────────── ─── Continuing from the front page (71) Applicant 597023329 Atsuko Tange Azamatsu, Arimatsu-cho, Midori-ku, Nagoya-shi, Aichi Prefecture No. 39, No. 175 (72) Inventor Yoshiaki Tange Arimatsu-cho, Midori-ku, Nagoya-shi, Aichi Oke-Zama Character Height 39, No. 175, No. 72 (72) Inventor Fumiko Tange Oji-zama Character Height, No. 39, No. 175, Arimatsu-cho, Midori-ku, Nagoya City, Aichi Prefecture (72) Inventor Atsuko Tange Arimatsu, Midori-ku, Nagoya City, Aichi Prefecture 39-175 No. 175 F-term (reference) 3E052 AA07 BA18 CA18 CB05 CB07 HA09 LA03

Claims (2)

[Claims] 1. A main body having a bifurcated shape on the front side and mounted with a rotating body that rotates in a predetermined direction by turning on a power source, and the string-shaped body is rotated while the rotating body rotates a predetermined amount. A binding mechanism for feeding out the cutout formed in the crotch, winding around the member to be bound inserted in the cutout, and binding the cord-like body; and a power supply capable of supplying power to the main body by a pressing operation A switch, an operating portion formed to traverse the notch portion and advancing and retreating in the front-rear direction so as to be able to press the power switch, and to press the power switch when the operating portion presses the power switch. A lock section for locking,
A power control mechanism comprising: a lock release unit that releases a lock of the power switch when the rotating body rotates by the predetermined amount. 2. The binding machine according to claim 1, wherein the operating portion urges the front end while traversing one end of the notch portion, and cuts the one end rotatably rearward. An operating arm that supports the other end on one side of the notch and urges the same side while restricting rotation to the same side. A pressing arm that supports one end of the operating arm while the other end is directed rearward, the lock portion urges the same side while restricting rotation to the one side, and A lock arm that supports one end of the rotating body while the other end faces the rear side so that the power switch can be locked in a depressed state by a cut formed at an end; The protrusion formed in the radial direction with the rotating body is the above-mentioned predetermined amount. When the other end is pressed to the one side by the convex portion by turning, the other end is pressed to the other side to separate the push arm and the lock arm from the power switch so that the other end is separated from the power switch. A binding machine comprising: a lock release arm that urges laterally and rotatably supports between the same end and the other end.