WO2020017612A1 - 結束機 - Google Patents
結束機 Download PDFInfo
- Publication number
- WO2020017612A1 WO2020017612A1 PCT/JP2019/028362 JP2019028362W WO2020017612A1 WO 2020017612 A1 WO2020017612 A1 WO 2020017612A1 JP 2019028362 W JP2019028362 W JP 2019028362W WO 2020017612 A1 WO2020017612 A1 WO 2020017612A1
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- WO
- WIPO (PCT)
- Prior art keywords
- wire
- unit
- signal
- end side
- binding machine
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
- E04G21/123—Wire twisting tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
- B65B13/24—Securing ends of binding material
- B65B13/28—Securing ends of binding material by twisting
- B65B13/285—Hand tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B13/00—Bundling articles
- B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
- B65B13/025—Hand-held tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
- B65B13/24—Securing ends of binding material
- B65B13/28—Securing ends of binding material by twisting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B27/00—Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
- B65B27/10—Bundling rods, sticks, or like elongated objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
- B65B57/04—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
- B65B59/001—Arrangements to enable adjustments related to the product to be packaged
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F15/00—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire
- B21F15/02—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire
- B21F15/06—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire with additional connecting elements or material
Definitions
- the present disclosure relates to a binding machine that binds a binding object such as a reinforcing bar with a wire such as a wire.
- a binding machine called a reinforcing bar binding machine that enables binding of a reinforcing bar with one operation of a trigger switch is widely used (for example, Patent Document 1).
- This type of rebar tying machine includes a storage chamber for storing a wire reel wound with a wire, a feeding unit for feeding the wire wound on the wire reel, and a winding habit on the wire sent by the feeding unit to form a reinforcing rod. It is composed of a guide portion for winding the wire around the wire, and a wire twisting device for gripping and twisting the wire wound around the reinforcing bar.
- a lower guide is provided below the guide portion so as to face the guide portion.
- the lower guide receives the wire from the guide portion and guides the wire to the wire twisting device.
- the guide portion and the lower guide have a C-shape in a side view with an open end, and a reinforcing bar is inserted between the opening, that is, the guide portion and the lower guide to bind the reinforcing bar.
- a reinforcing bar to be bound In order to bind a reinforcing bar using a reinforcing bar binding machine, a reinforcing bar to be bound must be inserted between the guide portion and the lower guide. For this reason, the number and thickness of rebars that can be bound are restricted by the dimension between the guide portion and the lower guide. For example, even if an attempt is made to bind five or more rebars, if they do not enter between the guide portion and the lower guide, it is impossible to bind them with a rebar binding machine. In order to bind many rebars, it is sufficient to increase the dimension between the guide portion and the lower guide. However, if this is done, the device becomes large, the weight balance and the like are lost, and the operability is hindered.
- the present disclosure has been made to solve such a problem, and an object of the present disclosure is to provide a binding machine capable of binding objects of various sizes.
- a binding device includes a holding unit that holds a distal end side of a curled wire, a feed unit that holds a base end side of the wire whose tip end is held by the holding unit so as to be able to send out, and the wire rod.
- the distal end and the proximal end of the curled wire are held by the holding portion and the feeding portion, respectively, so that the wire between the holding portion and the feeding portion forms an annular wire loop. Then, the object to be bound is inserted into (inside) the wire loop, and the wire is twisted by the torsion portion, so that the object to be bound can be bound.
- the size of the wire loop can be freely adjusted by controlling the feed amount of the wire rod by the feed unit by the control unit. For this reason, if the size of the wire loop is adjusted to match the size of the binding object, the binding objects of various sizes can be bound.
- Another aspect of the binding machine is a feeding unit that holds the base end side of the wire rod whose tip end side is open so as to be able to be sent out, and a holding unit that holds the tip end side of the wire rod sent out by the feeding unit.
- the control unit detects the fourth signal
- the control unit controls the feed unit to send out the wire.
- the control unit controls the holding unit to hold the distal end of the wire, and when the fifth signal is detected, the twisting is performed. Controlling the section to twist the wire.
- the wire having the open end is wound around the object to be bound, the distal end of the wire is held by the holding portion, and then the wire is twisted by the torsion portion. Can be united.
- the feed unit Since the base end side of the wire having the open front end side can be sent out by the feed unit (the feed amount of the wire is controlled by the control unit), if the feed amount of the wire is controlled, If the wire is fed to such an extent that the object can be wound, it becomes possible to bind objects of various sizes.
- Another aspect of the binding machine includes a main body, a holding unit that holds a distal end side of a curled wire rod, and a base end side of the wire rod whose distal end side is held by the holding unit.
- the loop diameter of the loop-shaped annular wire can be adjusted according to the size (diameter) of the binding object by adjusting the amount of wire fed. Therefore, objects of various sizes can be bound.
- the curl diameter of the curled wire and the amount of wire withdrawn at the open end can be arbitrarily adjusted. Even so, it is possible to unite.
- FIG. 1st Embodiment It is a side view showing an example of the whole composition of the rebar tying machine concerning a 1st embodiment. It is AA sectional drawing of FIG. It is a side view of the holding part of 1st Embodiment. It is a principal part enlarged view of the holding part of 1st Embodiment. It is an important section enlarged drawing of a holding part of a 1st embodiment, and is a figure showing an example in which a wire is pinched. It is a block diagram showing an example of the control function of the rebar tying machine of a 1st embodiment. It is a flow chart which shows an example of rebar tie machine control concerning a 1st embodiment.
- FIG. 1 is a side view showing the overall configuration of the reinforcing bar binding machine 1A according to the first embodiment
- FIG. 2 is a cross-sectional view taken along line AA of FIG.
- the rebar tying machine 1A includes a main body 10A, a handle 11A protruding from the main body 10A, and a curl guide 5A provided on the distal end side of the main body 10A to impart curl to the wire W and curl the wire W.
- the handle portion 11A is provided with a trigger switch 12A.
- “adding a curl to the wire W” or “curling the wire W” means that the wire W is formed in an arc shape or a curved shape (however, the wire W may not necessarily be a gentle arc or a curved shape, and may be slightly sharp. (Including bent).
- the “curled wire W” means the wire W bent in this manner.
- the side on which the handle portion 11A is provided with respect to the main body 10A is referred to as the lower side, and the opposite side is referred to as the upper side. Later.
- a reel housing 2A for housing the wire reel 20 around which the wire W is wound is attached to the main body 10A.
- a wire feeder (feeder) 3A that pulls out and sends the wire W from the wire reel 20 housed in the reel housing 2A, and a cutting unit that cuts the wire W curled by the curl guide 5A.
- 6A a binding portion (torsion portion) 7A for holding and twisting the wire W cut by the cutting portion 6A, and a control portion 14A for controlling the wire feeding portion 3A and the binding portion 7A are provided.
- the wire reel 20 includes a cylindrical hub portion 20a around which the wire W is wound, and a pair of flanges 20b provided at both axial ends of the hub portion 20a.
- the flange 20b has a diameter larger than the diameter of the hub portion 20a, and protrudes radially from both axial ends of the hub portion 20a.
- the reel housing 2A is provided below the main body 10A so as to be located in front of the handle 11A.
- the reel housing 2A includes a wall (not shown) defining a space in which the wire reel 20 can be housed, and a reel support shaft (not shown) projecting from the wall into the reel housing 2A.
- the wire reel 20 is rotatably supported by a reel support shaft, and rotates when the wire W is sent by the wire feeder 3A.
- the wire feed portion 3A is located above the reel housing portion 2A, and is one of a pair of feed gears 30L and 30R for feeding the wire W and one of the pair of feed gears 30L and 30R (in this example, a first feed gear). 30L), and a displacement unit 34 for moving the other gear (in this example, the second feed gear 30R) away from and in contact with the first feed gear 30L.
- the first and second feed gears 30L, 30R are both spur gears, and are arranged so that the outer peripheral surfaces thereof face each other across the wire W feed path.
- the wire W is set between the first feed gear 30L and the second feed gear 30R, and the second feed gear 30R is brought into contact with the first feed gear 30L by the displacement portion 34, so that the wire W Then, the first feed gear 30 ⁇ / b> L is driven by the drive unit 33.
- the first feed gear 30L and the second feed gear 30R are not necessarily limited to spur gears as long as they can appropriately feed the wire W.
- the drive unit 33 includes a feed motor 33a, a gear connected to the output shaft of the feed motor 33a, and a gear for transmitting the driving force of the feed motor 33a to the first feed gear 30L.
- a feed motor 33a By switching the rotation direction of the output shaft of the feed motor 33a, the rotation direction of the first feed gear 30L and the second feed gear 30R is switched, and the forward / reverse of the feed direction of the wire W is switched.
- the wire W is sent by rotating the output shaft of the feed motor 33a in the forward direction, and the wire W is pulled back by rotating it in the reverse direction.
- the curl guide 5A is provided on the distal end side of the main body 10A, and includes a pair of upper and lower guides, that is, a first guide 50 and a second guide 51.
- the first guide portion 50 is provided above the binding portion 7A of the main body portion 10A, and adds a curl to the wire W.
- the second guide portion 51 is provided below the binding portion 7A of the main body portion 10A, and receives the wire W formed by the first guide portion 50 and guides the wire W to the binding portion 7A.
- the curl guide 5A is configured by the first guide portion 50 and the second guide portion 51 so as to form a C-shape in a side view with an open front end side. To bind the reinforcing bars S, the reinforcing bars S are inserted between the openings, that is, between the first guide portion 50 and the second guide portion 51.
- the first guide section 50 includes a guide groove 52 that forms at least a part of a feed path of the wire W through which the wire W passes.
- the guide groove 52 is formed in a curved (arc) shape along the traveling direction of the wire W.
- the guide groove 52 is provided with guide pins 53 and 53b that contact the wire W and regulate the traveling direction of the wire W.
- the guide pin 53 is provided near the entrance of the guide groove 52 (the introduction port of the wire W), and comes into contact with the wire W from below (the inside of the curled wire W).
- the guide pin 53b is provided near the exit of the guide groove 52, and contacts the wire W from above (outside the curled wire W).
- the wire W comes into contact with the guide pin 53, the guide groove 52, and the guide pin 53b while passing through the first guide portion 50.
- the wire W passes through the first guide portion 50 while the traveling direction is regulated by the guide pins 53, the guide grooves 52, and the guide pins 53b, and as a result, the wire W is curled.
- the second guide portion 51 has a guide groove for receiving the wire W from the first guide portion 50 and guiding the wire W to the binding portion 7A.
- the cutting portion 6A is provided between the wire feeding portion 3A and the curl guide 5A, and has a fixed blade 60 having a through hole through which the wire W can pass, and a movable blade 61 sliding on the outer peripheral surface of the fixed blade 60. Is provided.
- the movable blade 61 is slid along the outer peripheral surface of the fixed blade 60 with the wire W passing through the through hole of the fixed blade 60.
- the movable blade 61 is driven by the torsion motor 80 of the binding unit 7A.
- the driving force of the torsion motor 80 is transmitted to the movable blade 61 via the link 62 and the like, and the movable blade 61 slides on the outer peripheral surface of the fixed blade 60 by the driving of the torsion motor 80. Move.
- the binding unit 7A includes a torsion motor 80, a speed reduction mechanism 81 that decelerates the torsion motor 80 and amplifies torque, and a rotating shaft 82 that is connected to the reduction mechanism 81 and rotates by the rotation of the torsion motor 80.
- a movable member 83 that is displaced by the rotation of the rotating shaft 82; and a holding portion 70 that projects toward the distal end of the movable member 83 and holds and twists the wire W.
- a screw is formed on the outer peripheral surface of the rotating shaft 82 and an inner peripheral surface of the movable member 83, and the screw of the rotating shaft 82 is screwed with the screw of the movable member 83.
- the holding section 70 has a plurality of claw portions (a first movable holding member 70L, a second movable holding member 70R, and a fixed holding member 70C described later) for holding the wire W.
- the holding section 70 opens and closes in accordance with the movement of the movable member 83 in the front-rear direction, and rotates in accordance with the rotation of the movable member 83.
- FIG. 3 is a side view of the holding unit 70
- FIGS. 4A and 4B are enlarged views of a main part of the holding unit 70.
- the holding unit 70 includes a fixed holding member 70C, a first movable holding member 70L, and a second movable holding member 70R.
- the first movable holding member 70L and the second movable holding member 70R are arranged in the left-right direction via the fixed holding member 70C.
- the first movable holding member 70L and the second movable holding member 70R move closer to or away from the fixed holding member 70C in accordance with the movement of the movable member 83 in the front-rear direction.
- the wire W sent by the wire feeder 3A first passes between the second movable holding member 70R and the fixed holding member 70C, and is curled by the curl guide 5A. It passes between the fixed holding member 70C. In this state, by bringing the first movable holding member 70L closer to the fixed holding member 70C, the wire W is held (gripped) by the first movable holding member 70L and the fixed holding member 70C.
- the second movable holding member 70R is configured to approach the fixed holding member 70C. However, even when the second movable holding member 70R comes closest to the fixed holding member 70C, The wire W is not gripped. That is, even when the second movable holding member 70R is closest to the fixed holding member 70C, the wire W is in a state where it can pass between the second movable holding member 70R and the fixed holding member 70C. In this manner, the wire that is formed into an arc shape, that is, the distal end side (including not only the distal end but also the vicinity of the distal end) of the wire loop is held between the first movable holding member and the fixed holding member 70C. In this state, the base end side of the wire loop (in this example, a wire portion located upstream of the position where the wires W of the wire loop intersect and located at the position of the wire feed portion 3A) is sent. Or pull back.
- the base end side of the wire loop in this example, a wire portion located upstream of the position where the wires W
- FIG. 5 is a block diagram showing an example of a control function of the reinforcing bar binding machine 1A.
- the rebar tying machine 1A includes a CPU (Central Processing Unit) 140, a control unit 14A including a memory and an input / output interface.
- the control unit 14A controls the overall operation of the reinforcing bar binding machine 1A by executing a program stored in a memory such as a ROM.
- the main switch 16A, the trigger switch 12A, the feed motor 33a, and the torsion motor 80 are connected to the control unit 14A.
- the control unit 14A controls the turning on and off of the power of the reinforcing bar binding machine 1A based on a signal from the main switch 16A.
- the control unit 14A controls the feed motor 33a or the torsion motor 80 based on the on / off signal from the trigger switch 12A.
- FIG. 6 is a flowchart illustrating an example of control in the reinforcing bar binding machine 1A according to the present embodiment.
- the rebar tying machine 1A executes the processing shown in FIG. 6 by executing a program stored in a memory (not shown).
- 7 to 12 are explanatory diagrams of the operation of the reinforcing bar binding machine 1A.
- step S100 the control unit 14A determines whether or not the trigger switch (first operation unit) 12A has been turned on (push operation) by an operator (operator).
- the trigger switch 12A When the trigger switch 12A is turned on, a signal corresponding to the signal is output from the trigger switch 12A.
- the control unit 14A determines that the trigger switch 12A has been turned on.
- the control unit 14A waits until the trigger switch 12A is turned on, and proceeds to step S110 when the trigger switch 12A is turned on. Until the trigger switch 12A is turned on, as shown in FIG. 7, the wire W has not yet been sent to the curl guide 5A (initial state).
- the case where the trigger switch 12A is turned on only once within a predetermined time May be referred to as "pressing the trigger switch 12A once".
- step S110 the control unit 14A drives the feed motor 33a to feed the wire W in the forward direction.
- the wire W sent in the forward direction is formed into an annular wire loop by the curl guide 5A.
- the control unit 14A drives the torsion motor 80 to cause the holding unit 70 to hold the distal end side of the wire loop. That is, the control unit 14A forms a wire loop and holds the distal end of the wire W in step S110.
- step S120 the control unit 14A determines whether or not the trigger switch 12A has been turned on (first operation) by the operator.
- a signal (first signal) corresponding to the trigger switch 12A is output.
- the control unit 14A determines that the trigger switch 12A has been turned on.
- the control unit 14A waits until the trigger switch 12A is turned on.
- the trigger switch 12A is turned on, that is, when the first signal from the trigger switch 12A is detected, the process proceeds to step S130.
- step S130 the control unit 14A drives the feed motor 33a to send the wire W in the forward direction.
- the wire W is enlarged (the diameter of the wire loop is increased) by sending the wire W (the proximal end side of the wire loop) in the forward direction. (See FIG. 9).
- step S140 the control unit 14A determines whether or not the trigger switch 12A has been turned off by the operator. That is, when the control unit 14A no longer detects the first signal, it determines that the trigger switch 12A is off. As long as the trigger switch 12A is not turned off, that is, as long as the trigger switch 12A is kept turned on (long pressing state), the control unit 14A continues to send the wire W as shown in FIG. 9 (step S130). By continuing to send the wire W, the wire loop continues to expand accordingly. As described above, the size of the wire loop also changes (enlarges) in accordance with the on-time (long press) of the trigger switch 12A. Therefore, the operator adjusts the on-time of the trigger switch 12A to obtain the size of the wire loop ( Diameter) can be changed freely. On the other hand, when the trigger switch 12A is turned off, the control unit 14A proceeds to step S150.
- step S150 the control unit 14A stops driving the feed motor 33a when the trigger switch 12A is turned off. Thereby, the feeding operation of the wire W is also stopped.
- control unit 14A determines whether or not trigger switch 12A has been turned on by the operator. The control unit 14A waits until the trigger switch 12A is turned on, and proceeds to step S170 when the trigger switch 12A is turned on.
- step S170 the control unit 14A presses the trigger switch 12A a plurality of times, in this example, twice (in this example, the push twice (the second operation)). ) Is determined.
- “Pressing the trigger switch 12A twice” means that the trigger switch 12A is pressed twice within a predetermined time, that is, on, off, and on operations are performed within a predetermined time.
- a signal (second signal) corresponding thereto is output from the trigger switch 12A.
- the control unit 14A determines that the trigger switch 12A has been pressed twice.
- step S140 When the control unit 14A determines that the trigger switch 12A has not been pressed twice, that is, when the operation of the trigger switch 12A is pressed once (in this case, the control unit 14A detects the first signal), the step is performed. Returning to S130, the wire W is sent again. Turning off the trigger switch 12A (step S140) temporarily stops the wire loop from expanding (diameter expansion) (step S150), but pressing the trigger switch 12A once again (step S170) causes the wire loop to turn off. It is enlarged again (step S130). On the other hand, when detecting the second signal and determining that the trigger switch 12A has been pressed twice, the control unit 14A proceeds to step S180.
- step S180 the control unit 14A performs the binding operation, that is, the pulling back of the wire W, the cutting of the wire W, and the twisting operation of the wire W in this order, and ends the process.
- the operator inserts a plurality of rebars S, which are binding objects, inside the wire loop as shown in FIG.
- the trigger switch 12A is pressed twice (step S170), and the control unit 14A controls the feed motor 33a and the torsion motor 80 to pull back and twist the wire W.
- step S180 such as operation is executed.
- the wire W comes into close contact with the reinforcing bar as shown in FIG.
- the cut wire W binds the rebar by the twisting operation of the wire W as shown in FIG.
- the wire W is not necessarily pulled back, and the wire W may be cut and twisted without being pulled back.
- the first operation and the second operation are both performed by the common trigger switch (first operation unit) 12A, but these operations need not necessarily be performed by the common trigger switch 12A. That is, each operation may be performed by a separate switch.
- a switch (second operation unit) that outputs a second signal when the second operation is performed may be provided separately from the trigger switch 12A.
- the wire loop continues to expand, but a limit may be imposed on the amount of wire loop expansion. That is, even when the trigger switch 12A is kept pressed, when the feed amount of the wire W reaches a predetermined amount or when the wire loop becomes a predetermined size, the feed motor 33a feeds the wire W, That is, the expansion of the wire loop may be stopped.
- the feed amount of the wire W or the size of the wire loop may be arbitrarily set in advance (in multiple stages) using a dial, a switch, or the like.
- the first operation is pressed once by the trigger switch 12A, and the second operation is pressed twice by the trigger switch.
- the first operation is pressed twice, the second operation is pressed three times, and so on.
- the first operation and the second operation may be pressed a plurality of times.
- the first operation is performed by pressing the trigger switch 12A once
- the second operation is performed by pressing the trigger switch 12A twice.
- both the first operation and the second operation may be performed once by pressing the trigger switch 12A.
- the wire W is sent by detecting the first operation, thereby forming a wire loop of a predetermined size set by a dial, a switch, or the like. After that, when the second operation is performed, the binding operation is performed. It may be performed.
- the wire loop is formed by turning on the trigger switch 12A after the power is turned on.
- the wire loop is automatically formed without turning on the trigger switch 12A after the power is turned on. It may be.
- a wire loop may be formed at the end of the previous operation. In this case, the wire loop has already been formed at the time of the next operation (when the power is turned on).
- a closed wire loop is first formed by holding the distal end side and the proximal end side of the curled wire W, respectively, and from this state, the proximal end of the wire loop is formed. By sending the side, the wire loop was enlarged.
- the distal end side of the wire W is in an open state without forming a wire loop as in the first embodiment. That is, instead of enlarging the wire loop, the wire W having the open distal end is stretched (pulled out) from the front of the main body 10A.
- the worker When the worker stretches the wire W to a desired length by a predetermined operation described later, the worker winds the wire W around the reinforcing bar, and causes the holding portion 70 to hold the distal end side of the wire W. Then, after the distal end side of the wire W is held by the holding unit 70, a bundling operation (retraction of the wire W, cutting of the wire W, twisting operation of the wire W) is performed.
- FIG. 13 is a flowchart showing an example of control of the reinforcing bar binding machine 1B according to the second embodiment.
- the rebar tying machine 1B executes the processing shown in FIG. 13 by executing a program stored in a memory (not shown).
- 14 to 17 are explanatory diagrams of the operation of the reinforcing bar binding machine 1B.
- step S300 the control unit 14A determines whether the trigger switch (third operation unit) 12A is turned on (third operation) by the operator.
- a signal (third signal) corresponding to the trigger switch 12A is output.
- the control unit 14A determines that the trigger switch 12A has been turned on.
- the control unit 14A waits until the trigger switch 12A is turned on, and proceeds to step S310 when detecting the third signal and determining that the trigger switch 12A is turned on.
- step S310 the control unit 14A drives the feed motor 33a to rotate the first feed gear 30L and the second feed gear 30R in the forward direction, thereby sending the wire W in the forward direction.
- the control unit 14A drives the feed motor 33a to rotate the first feed gear 30L and the second feed gear 30R in the forward direction, thereby sending the wire W in the forward direction.
- step S320 the control unit 14A determines whether or not the trigger switch 12A has been turned off by the operator.
- the control unit 14A determines that the trigger switch 12A is not turned off, that is, while the trigger switch 12A is kept turned on (the long press state of the trigger switch 12A)
- the wire W is continuously sent (step S310). By continuing to feed the wire W, the wire W continues to extend from the first guide portion (see FIG. 15).
- the control unit 14A proceeds to step S330.
- step S330 the control unit 14A stops driving the feed motor 33a with the turning off of the trigger switch 12A. Thereby, the feeding operation of the wire W is also stopped. At the stage where the operation of feeding the wire W is completed, the worker winds the wire W having the open distal end around the plurality of reinforcing bars S as the binding target, as shown in FIG.
- control unit 14A determines whether or not trigger switch 12A has been turned on by the operator. The control unit 14A waits until the trigger switch 12A is turned on, and proceeds to step S350 when the trigger switch 12A is turned on.
- step S350 the control unit 14A determines whether or not the trigger switch 12A has been pressed (fourth operation) twice, in this example, twice. That is, when detecting the signal (fourth signal) corresponding to the double press of the trigger switch 12A, the control unit 14A determines that the trigger switch 12A has been pressed twice. If the control unit 14A determines that the trigger switch 12A has not been pressed twice, that is, if the operation of the trigger switch 12A has been pressed once (third operation), the process returns to step S310 and sends the wire W again. On the other hand, when detecting the fourth signal and determining that the trigger switch 12A has been pressed twice, the control unit 14A proceeds to step S360.
- step S360 the control unit 14A causes the holding unit 70 to hold the distal end of the wire W by driving the torsion motor 80 (see FIG. 17).
- the control unit 14A causes the holding unit 70 to hold the distal end of the wire W by driving the torsion motor 80 (see FIG. 17).
- the torsion motor 80 see FIG. 17
- the operator presses the trigger switch 12A twice.
- step S370 the control unit 14A determines whether the trigger switch 12A has been turned on (fifth operation) by the operator. That is, the control unit 14A determines that the trigger switch 12A has been turned on when detecting a signal (fifth signal) corresponding to the turning on of the trigger switch 12A. The control unit 14A waits until the trigger switch 12A is turned on by the operator, and proceeds to step S380 when the trigger switch 12A is turned on.
- step S380 the control unit 14A sequentially performs the binding operation, that is, the pulling back of the wire W, the cutting of the wire W, and the twisting operation of the wire W, and ends the process. Note that the processing here is the same as in the first embodiment, and a detailed description thereof will be omitted.
- the pulling back of the wire W is not necessarily an essential process, as in the first embodiment.
- the third operation, the fourth operation, and the fifth operation are not necessarily performed by the common trigger switch (third operation unit) 12A, but may be performed by different switches. For example, apart from the trigger switch 12A, a switch that outputs a fourth signal when a fourth operation is performed (fourth operation unit), and a switch that outputs a fifth signal when a fifth operation is performed (fifth operation unit) May be provided.
- the third operation is once pressing the trigger switch 12A
- the fourth operation is twice pressing the trigger switch 12A
- the fifth operation is once pressing the trigger switch 12A.
- Any of the third, fourth, and fifth operations may be performed a plurality of times, such as pressing twice, pressing the fourth operation three times, and pressing the fifth operation four times.
- the wire W continues to extend, but the amount of extension of the wire W may be limited. That is, even if the trigger switch 12A is kept pressed, when the wire W reaches a predetermined length, the wire W may be stopped from extending further. For example, when the elongation amount (feed amount) of the wire W reaches a predetermined amount, the feed motor 33a may be stopped to stop the feed of the wire W.
- the extension amount (feed amount) of the wire W may be arbitrarily set using a dial, a switch, or the like.
- the curl guide for imparting the curl to the wire W is provided, but in the present example, the curl guide 5A is not an essential component because the curl is not necessarily required to the wire W.
- the size of the wire loop and the amount of extension of the wire W (the amount of extension) ) Can be adjusted arbitrarily. Therefore, by making the size of the wire loop and the amount of stretching of the wire W correspond to the number and thickness of the reinforcing bars S, it is possible to bind even reinforcing bars of a number and size that could not be bound by the conventional reinforcing bar binding machine. become. That is, since the size of the wire loop and the amount of extension of the wire W can be adjusted steplessly by operating the trigger switch 12A, it is possible to bind even binding objects having various sizes.
- the wire loop is brought to the end of the reinforcing bar S, and The loop ring must be inserted from the end of the reinforcing bar S.
- the distal end side of the wire W is open (because it is not closed), it is not necessary to bring the wire W to the end of the rebar S, The wire W can be wound directly around the reinforcing bar S.
- the distal end side of the wire loop or the wire W is held by the holding unit 70 of the binding unit 7A.
- the binding unit 7A May be provided separately.
- the holding unit 70 may be provided on the main body 10A or the curl guide 5A different from the binding unit 7A.
- one rebar tying machine may be configured to execute both the control according to the first embodiment and the control according to the second embodiment.
- a mode for executing the control according to the first embodiment and a mode for executing the control according to the second embodiment may be provided so that these modes can be selected.
- the reinforcing bar S is described as an example of the binding target, but the binding target is not limited to the reinforcing bar S.
- the object to be bound may be a long object such as a pipe, and the material is not limited to iron, but may be resin or the like.
- the binding object is not limited to industrial materials, and may be, for example, a branch or a vine of a fruit tree or a vegetable, a wooden support, or the like.
- the wire W is described as an example of the wire that binds the binding object, but the wire is not limited to the wire W.
- a plastically deformable wire is required.
- a resin tape which does not plastically deform A wire composed of a flexible member such as a rope in which a string or the like is twisted may be used.
- the operation of binding the wires W is performed based on the operation of the trigger switch 12A. Specifically, after inserting the reinforcing bar S which is the binding object inside the wire loop, by pressing the trigger switch 12A twice, the binding operation, that is, the pulling back of the wire W, the cutting of the wire W, the wire W was performed. On the other hand, for example, it is configured to detect that the reinforcing bar S is inserted inside the wire loop, and when the reinforcing bar S is detected, the binding operation is automatically performed without operating the trigger switch 12A. You may.
- a detection unit 17A for detecting an object to be tied is provided on the main body 10A or the curl guide 5A. As shown in FIG. 18, the detection unit 17A is provided to the control unit 14A. Connected. The detecting unit 17A is configured to output a second signal when detecting a binding object (rebar S or the like) inside the wire loop. The control unit 14A that has detected the second signal controls the feed motor 33a and the torsion motor 80 to execute the binding operation (Step S180 in FIG. 6).
- the binding operation is not performed by operating the trigger switch 12A (steps S370 and 380 in FIG. 13). After holding W, the binding operation may be automatically performed without operating the trigger switch 12A.
- the detection unit 17A is provided in the main body 10A or the curl guide 5A, and is connected to the control unit 14A.
- the detecting unit 17A is configured to output a fifth signal when detecting the binding object inside the wire W whose distal end is held, and the control unit 14A that has detected the fifth signal transmits the fifth signal to the feed motor 33a and the screw.
- the motor 80 is controlled to execute the binding operation (step S380 in FIG. 13).
- the detection method by the detection unit 17A is not limited to a specific method.
- a contact-type sensor that detects that an object to be bound has come into contact with a limit switch or the like, a projected light or a transmitted Any of a non-contact sensor that detects a binding object from reflected light of a sound wave or a reflected wave, an image sensor that detects a binding object by performing image processing on an image captured by a camera, or the like may be used.
- This application is based on Japanese Patent Application No. 2018-135390 filed on Jul. 18, 2018, the contents of which are incorporated herein by reference.
- Rebar binding machine (bundling machine) 3A Wire feeder (feeder) 7A Binding part (torsion part) 10A Main unit 12A Trigger switch (first operation unit, third operation unit) 14A control unit 17A detection unit 70 holding unit W wire
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Basic Packing Technique (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
なお、結束しようとする鉄筋の数が多いなどの理由で、鉄筋結束機での結束が困難な場合、作業者が自らの手で結束することになるが、このような手動による結束は、時間がかかる上に作業者の作業負担が大きい。
以下、図面を参照して、本開示の好適な実施の形態について説明する。
なお、以下の説明では、本体部10Aに対してハンドル部11Aが設けられる側を下、その反対側を上とし、本体部10Aに対してカールガイド5Aが設けられる側を前、その反対側を後とする。
第1の実施の形態に係る鉄筋結束機1Aでは、カールされたワイヤWの先端側と基端側をそれぞれ保持して閉じた状態のワイヤループをまず形成し、この状態からワイヤループの基端側を送ることで、ワイヤループを拡大するようにした。しかし、第2の実施の形態に係る鉄筋結束機1Bでは、第1の実施の形態のように、ワイヤループを形成せずに、ワイヤWの先端側を開放状態にしている。すなわち、ワイヤループを拡大させるのではなく、先端側が開放されたワイヤWを本体部10Aの前方から引き伸ばす(引き出す)ようにしている。作業者は、後述する所定の操作によってワイヤWを所望の長さまで引き伸ばしたら、ワイヤWを鉄筋の周囲に巻き、ワイヤWの先端側を保持部70に保持させる。そしてワイヤWの先端側を保持部70に保持させた後、結束動作(ワイヤWの引き戻し、ワイヤWの切断、ワイヤWの捩じり動作)を行う。
本出願は、2018年7月18日出願の日本特許出願特願2018-135390に基づくものであり、その内容はここに参照として取り込まれる。
3A ワイヤ送り部(送り部)
7A 結束部(捩じり部)
10A 本体部
12A トリガスイッチ(第1操作部、第3操作部)
14A 制御部
17A 検出部
70 保持部
W ワイヤ
Claims (19)
- カールされた線材の先端側を保持する保持部と、
前記保持部により前記先端側が保持された前記線材の基端側を送り出し可能に保持する送り部と、
前記線材を捩じる捩じり部と、
前記送り部及び前記捩じり部を制御する制御部と
を備え、
前記制御部は、第1信号を検知したとき前記送り部を制御して前記線材を送り出し、第2信号を検知したとき前記捩じり部を制御して前記線材を捩じる
結束機。 - 操作者により、第1操作がされたとき前記第1信号を出力する第1操作部を備える
請求項1に記載の結束機。 - 前記第1操作部は、操作者により、第2操作がされたとき前記第2信号を出力する
請求項2に記載の結束機。 - 操作者により、第2操作がされたとき前記第2信号を出力する第2操作部を備える
請求項1に記載の結束機。 - 前記送り部は、前記先端側が保持された前記線材の前記基端側を引き戻すことが可能であり、
前記制御部は、前記第2信号を検知したとき、前記送り部を制御して前記線材を引き戻した後、前記捩じり部を制御して前記線材を捩じる
請求項1から4のいずれか一項に記載の結束機。 - 前記第1操作部はトリガスイッチであり、
前記第1操作又は前記第2操作のいずれか一方が1度押し操作であり、他方が複数回押し操作である請求項3に記載の結束機。 - 前記カールされた線材の内側に結束対象物が位置したとき、前記第2信号を出力する検出部を備える
請求項1又は2に記載の結束機。 - 前記制御部は、前記第1信号を検知して前記線材を送り出す場合であって、前記線材の送り出し量が所定量に達したとき、前記線材の前記送り出しを停止する
請求項1から7のいずれか一項に記載の結束機。 - 先端側が開放された線材の基端側を送り出し可能に保持する送り部と、
前記送り部により送り出された前記線材の先端側を保持する保持部と、
前記保持部により前記先端側が保持された前記線材を捩じる捩じり部と、
前記送り部及び前記捩じり部を制御する制御部と
を備え、
前記制御部は、第3信号を検知したとき前記送り部を制御して前記線材を送り出し、第4信号を検知したとき前記保持部を制御して前記線材の前記先端側を保持し、第5信号を検知したとき前記捩じり部を制御して前記線材を捩じる
結束機。 - 操作者により、第3操作がされたとき前記第3信号を出力する第3操作部を備える
請求項9に記載の結束機。 - 前記第3操作部は、操作者により、第4操作がされたとき前記第4信号を出力する
請求項10に記載の結束機。 - 前記第3操作部は、操作者により、第5操作がされたとき前記第5信号を出力する
請求項11に記載の結束機。 - 操作者により、第4操作がされたとき前記第4信号を出力する第4操作部を備える
請求項9に記載の結束機。 - 操作者により、第5操作がされたとき前記第5信号を出力する第5操作部を備える
請求項9に記載の結束機。 - 前記送り部は、前記先端側が保持された線材の前記基端側を引き戻すことが可能であり、
前記制御部は、前記第5信号を受信したとき、前記送り部を制御して前記線材を引き戻した後、前記捩じり部を制御して前記線材を捩じる
請求項9から14のいずれか一項に記載の結束機。 - 前記第3操作部はトリガスイッチであり、
前記第3操作、前記第4操作及び前記第5操作の少なくともいずれか一つが、一度押し操作であり、残りの少なくともいずれか一方が、複数回押し操作である
請求項12に記載の結束機。 - 前記先端側が保持された線材の内側に結束対象物が位置しているとき、前記第5信号を出力する検出部を備える
請求項9から11のいずれか一項に記載の結束機。 - 前記制御部は、前記第1信号を検知して前記線材を送り出す場合であって、前記線材の送り出し量が所定量に達したとき、前記線材の前記送り出しを停止する
請求項9から17のいずれか一項に記載の結束機。 - 本体部と、
カールされた線材の先端側を保持する保持部と、
前記保持部により前記先端側が保持された前記線材の基端側を送り出し可能に保持する送り部と、
前記カールされた線材を捩じる捩じり部と
を備え、
前記保持部と前記送り部とにより閉じた環状の線材を前記本体部の先端側に形成し、
前記送り部で前記線材の前記基端側を送り出すことで前記環状の線材を拡径することが可能である
結束機。
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KR1020217001340A KR102662059B1 (ko) | 2018-07-18 | 2019-07-18 | 결속기 |
EP19836961.3A EP3825241A4 (en) | 2018-07-18 | 2019-07-18 | BINDING MACHINE |
AU2019305369A AU2019305369A1 (en) | 2018-07-18 | 2019-07-18 | Tying machine |
CN201980047627.3A CN112424071B (zh) | 2018-07-18 | 2019-07-18 | 捆扎机 |
US17/260,857 US12043426B2 (en) | 2018-07-18 | 2019-07-18 | Binding machine |
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JP2018-135390 | 2018-07-18 | ||
JP2018135390A JP7275486B2 (ja) | 2018-07-18 | 2018-07-18 | 結束機 |
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JP7469971B2 (ja) | 2020-06-30 | 2024-04-17 | 株式会社マキタ | 鉄筋結束機 |
CN114872952B (zh) * | 2022-05-09 | 2024-02-23 | 一汽解放汽车有限公司 | 扎带枪 |
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KR102662059B1 (ko) | 2024-05-03 |
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