WO2005014398A1 - モータ駆動式の鉄筋結束機 - Google Patents
モータ駆動式の鉄筋結束機 Download PDFInfo
- Publication number
- WO2005014398A1 WO2005014398A1 PCT/JP2004/011637 JP2004011637W WO2005014398A1 WO 2005014398 A1 WO2005014398 A1 WO 2005014398A1 JP 2004011637 W JP2004011637 W JP 2004011637W WO 2005014398 A1 WO2005014398 A1 WO 2005014398A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cooling fan
- motor
- binding
- temperature
- rebar
- Prior art date
Links
Classifications
-
- 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
- B65B13/185—Details of tools
- B65B13/187—Motor means
-
- 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
-
- 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
Definitions
- the present invention relates to a motor-driven rebar binding machine, and more particularly to a cooling device for a rebar binding machine having a temperature control function.
- a binding wire feeder that sends it out while bending it into a loop and wraps it around the rebar
- a binding wire torsion mechanism that twists and binds the binding wire wound around the rebar.
- Trigger wire operation and binding wire twisting are triggered.
- a motor slicing-type rebar tying machine that continuously performs the tying operation to perform a one-cycle tying operation (for example, Japanese Utility Model Application Laid-Open No. 05-0303494, JP-A-2003-064876).
- These rebar binding machines use one motor to drive the binding wire feeding mechanism and the binding wire twisting mechanism with one motor, and drive the binding wire feeding mechanism and the binding wire twisting mechanism with separate motors.
- Yes There are two motor configuration types. However, in any of the types, the operation of twisting the binding wire imposes a considerable load, and the motor responsible for the twisting operation generates a large amount of heat.
- a method of attaching a fan to the shaft of the motor and cooling the inside of the housing containing the motor by the air sent by the fan when the motor rotates (for example, Kaihei 07-007805) is known.
- the operation pattern of a motor in a rebar tying machine is different from that of an electric tool such as an electric drill or an electric screwdriver, and even if a fan that rotates with the motor is provided, a sufficient motor cooling effect cannot be obtained.
- no cooling means such as fans are provided.
- the operation pattern of the reinforcing bar binding machine is a short-time, high-speed operation in which one cycle consisting of the operation of the binding wire feed mechanism and the operation of the binding wire twisting mechanism is 1 second or less.
- the operation of the torsion mechanism includes an operation of closing the tip of the torsion mechanism and gripping the binding wire, It consists of a torsion operation to rotate the torsion mechanism, and an operation to reverse the motor to open the binding wire by returning the motor and return the torsion mechanism to the initial position.
- the motor switches between forward rotation and reverse rotation in a short time. Take over.
- a protection circuit using a temperature detection element is provided instead of the cooling device, and when the temperature inside the housing reaches the set upper limit temperature, the power supply circuit is shut off and the motor and circuit
- the device and the housing are configured to prevent burning.
- the conventional rebar tying machine does not have any cooling means, if the tying work is performed continuously for a long time, the internal temperature gradually rises, and as a result, the protection circuit is activated and the power supply Is shut off. In this case, the rebar tying machine will not be usable until the internal temperature falls to the safety standard value.
- rebar tying machines are operated continuously throughout the day, making it impossible to use them due to temperature rises, interrupting work, and delaying the process. I may happen.
- a motor-driven rebar binding machine includes a binding wire feed mechanism for sending a binding wire and looping around a rebar, and holding and rotating a binding wire loop looped around a rebar.
- a cooling fan provided in the casing of the rebar binding machine, a temperature detecting means for detecting an internal temperature of the rebar binding machine, and a temperature detected by the temperature detecting means.
- Means for comparing the temperature with a reference temperature and fan drive control means for controlling on / off of the cooling fan in accordance with the comparison result.
- the cooling operation is completed. It is configured to drive the motor.
- a cooling fan provided in the casing of the rebar tying machine; a fan drive control means for controlling the cooling fan to be turned on and off; and a timer means for measuring a fan drive time. The configuration is such that when the cooling fan starts driving, the cooling fan is stopped after a predetermined period of time has elapsed.
- a binding wire feeding mechanism that sends out the binding wire and wraps it around the reinforcing bar
- a binding wire torsion mechanism that binds the reinforcing bar by gripping and rotating the binding wire loop wrapped around the reinforcing bar
- a cooling fan provided in a casing of the reinforcing bar binding device, a temperature detecting device for detecting an internal temperature of the reinforcing bar binding device, a device for comparing a temperature detected by the temperature detecting device with a reference temperature, and according to a result of the comparison.
- a fan drive control means for controlling on / off of the cooling fan; and a timer means for measuring a fan drive time, wherein when the internal temperature of the rebar binding machine exceeds the reference temperature, and a trigger signal for the binding action is input.
- the configuration is such that the driving of the cooling fan is started at a predetermined time, and the cooling fan is stopped after a predetermined time elapses.
- a rebar binding machine provided with control means for resetting a force-binding operation of a timer means. Is provided.
- An object of the present invention is to provide a cooling device for a reinforcing bar binding machine disposed on or near the axis of a dynamic motor.
- the present invention is characterized in that a cooling fan is mounted on a reinforcing bar binding machine, and the cooling fan is turned on / off in accordance with the internal temperature of the reinforcing bar binding machine, thereby enabling continuous operation for a long time.
- the objective of the period was achieved.
- FIG. 1 is a side view showing an embodiment of a reinforcing bar binding machine of the present invention.
- FIG. 2 is a view taken along line AA of FIG.
- FIG. 3 is a view taken along line BB of FIG.
- FIG. 4 is a temperature control flowchart of the reinforcing bar binding machine according to the first embodiment of the present invention.
- FIG. 5 is a flowchart of temperature control according to the second embodiment of the present invention, wherein reference numerals in the drawing, 1 denotes a reinforcing bar binding machine, 2 denotes a housing, 3 denotes a binding wire twisting mechanism, 4 denotes a binding wire feeding mechanism, 7 is a storage battery, 8 is a power supply circuit board, 9 is a torsion motor, 10 is a feed motor, 16 is a control circuit board, 17 is a cooling fan device, 22 is an exhaust slit, and 23 is a thermosensitive element (temperature detection device). is there.
- FIG. 1 shows a reinforcing bar binding machine 1.
- a binding wire twisting mechanism 3 and a binding wire feeding mechanism 4 are incorporated.
- a binding wire reel (not shown) is loaded in a magazine 6 arranged in front of the grip portion 5 of the housing 2.
- a storage battery 7 is attached to the end of the grip 5 and is connected to a torsion motor 9 of the binding wire twisting mechanism 3 and a feed motor 10 of the binding wire feeding mechanism 4 through a power supply circuit board (including a control circuit) 8. Supply power.
- the binding wire feed mechanism 4 includes two V-grooved gears 11 that are arranged in the front-back direction of the paper surface and face each other in FIG. 1, and one of the V-groove gears is driven by a feed motor 10, Send out the bundled wire with two V-groove gears 11.
- the binding wire wound on the binding wire reel is sent upward by the binding wire feed mechanism 4.
- the sent binding wire is shaped into an arc along the guide groove on the inner periphery of the upper nose 12 and goes around the reinforcing bar.
- the tip of the binding wire is fed into the binding wire twisting mechanism 3 along the lower guide plate 13 o
- the binding wire torsion mechanism 3 is composed of a torsion shaft 14 and three clamp plates 15 attached to the tip of the torsion shaft 14 (in the figure, arranged in the front and back sides of the paper).
- the two clamp plates arranged are opened and closed by the cam mechanism.
- the binding wire is sent out between the central clamp plate and one outer clamp plate, goes around the rebar and enters between the other outer clamp plate and the central clamp plate, and the outer clamp plate closes and binds. Clamp the end of the wire.
- the binding wire feed mechanism 4 is driven in reverse to pull back the binding wire, and one of the outer clamp plates described above is closed with the binding wire wound around the rebar. And the center clamp plate clamp the rear end of the tie loop.
- a cutter device (not shown) cuts the rear end of the binding wire loop, and the torsion shaft 14 rotates with both ends of the binding wire loop clamped, and twists both ends of the binding wire loop.
- the rebar is bound by fitting.
- the operation process of one cycle of binding wire feed, binding wire loop tip clamp, binding wire retraction, binding wire loop rear end clamp, binding wire force, binding wire twisting and initial position return is controlled by a control circuit. It is executed sequentially under the control of a microprocessor (not shown) mounted on the board 16.
- a cooling fan device 17 is arranged at a rear end (right side in the figure) of the housing 2 as a cooling means inside the housing 2, and is controlled by a temperature control circuit on a control circuit board 16. The operation of the cooling fan device 17 is controlled.
- Cooling fan device 17 is a unit that contains the motor 30 and fan 18 to the fan case I 9, substantially equal to the axial line of the motor 9 axis torsion of the cooling as shown in FIGS. 1 to 3 fan 17 Are arranged as follows. Therefore, when the fan 18 rotates, air is sucked in from the ventilation port 20 on the front of the torsion motor 9 shown in FIG. 2, and the hole 21a on the rear side surface of the torsion motor 9 shown in FIG.
- the temperature control circuit is composed of a cooling fan device using a thermosensitive element (thermistor) 23 as a temperature detection device mounted on the power supply circuit board 8 and the control circuit board 16 and a comparison control means (comparison device) using a microprocessor or a detection circuit.
- FIG. 4 shows the control routine of the temperature control circuit.
- the internal temperature information of the reinforcing bar binding machine is sequentially input to the comparison control means. Then, the internal temperature is compared with a reference temperature (a temperature close to the upper limit of a range where the device is not damaged, for example, 80 ° C to 90 ° C, etc.) (Step 102). Keep the cooling fan stopped (step 103). Then, the cooling fan 17 is started when the internal temperature of the reinforcing bar binding machine exceeds the reference temperature during the binding operation (step 104), and is stopped when the internal temperature falls below the reference temperature. (Steps 102 ⁇ 103).
- a reference temperature a temperature close to the upper limit of a range where the device is not damaged, for example, 80 ° C to 90 ° C, etc.
- the cooling fan 17 does not operate until the internal temperature of the rebar tying machine 1 exceeds the reference temperature, and air is blown only by the cooling fan 17 when the temperature is high. Since the terminal 17 stops, wasteful power consumption can be prevented, and the rebar tying machine can be operated continuously for a long time without activating the protection circuit of the tying device.
- FIG. 5 shows an example in which more detailed control is performed than in the first embodiment.
- the main switch of the reinforcing bar binding machine 1 is turned on and the power is turned on (step 201)
- the internal temperature information of the reinforcing bar binding machine is input to the successive approximation control means via the thermal element.
- the ON signal is inputted by operating the trigger switch of the rebar tying machine (Step 202)
- the internal temperature at that time is compared with a reference temperature (here, for example, 0 ° C) (Step 202). 203) If the internal temperature is below the reference temperature, the cooling fan 17 is not activated and
- the operation is executed (step 204), and the process returns to step 202 after one cycle of the binding operation.
- the cooling fan 17 is started together with the execution of the bundling operation (step 205), and the counting of a preset fan motor ON duration (for example, 60 seconds) is started (step 206). ). If the trigger switch is turned on during this timer count (Step 207), the timer count is stopped and cleared (Step 208), and the process returns to Step 203.
- the bundling operation (Step 204) or the bundling operation and cooling is performed according to the internal temperature. start-up of fan I 7 and (step 2 05) is carried out.
- the fan motor is stopped at the same time as the count-up of 60 seconds (step 210), and the process returns to step 202 to be in a standby state of the trigger switch.
- the cooling fan 17 does not operate, and when the inside of the reinforcing bar binding machine 1 is higher than the reference temperature, the cooling fan 17 is driven together with the start of the binding machine. Since the cooling fan 17 is stopped after a certain period of time after the binding, the rise in the internal temperature is suppressed as much as possible, allowing the continuous operation of the reinforcing bar binding machine for a long time and the power consumption of the cooling fan. Can also be minimized. It should be noted that the present invention is not limited to the above embodiment, and various modifications are possible within the technical scope of the present invention, and it is natural that the present invention extends to those modifications. . Industrial applicability
- the inside of the reinforcing bar binding machine is cooled by the cooling fan, so that the temperature rises during continuous work and damages occur, or the protection circuit is activated to forcibly stop. And is improved.
- the power consumption of the cooling fan is reduced as much as possible by timer means for limiting the running time of the cooling fan to a certain time and means for controlling the turning on and off of the cooling fan according to the internal temperature of the reinforcing bar binding machine. Can be reduced.
- the cooling fan is turned on and off according to the internal temperature of the reinforcing bar binding machine. In the control configuration, the cooling fan does not operate when cooling is not required, so that the binding performance at low temperatures is not reduced.
- the cooling fan by configuring the cooling fan to start when the trigger of the rebar binding machine is turned on and to stop after a certain period of time, it is possible to suppress the temperature rise of the rebar binding machine as much as possible. The durability of the machine is also improved.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Basic Packing Technique (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004263454A AU2004263454B2 (en) | 2003-08-12 | 2004-08-06 | Motor-driven reinforcing rod binding machine |
ES04771612T ES2374197T3 (es) | 2003-08-12 | 2004-08-06 | Atadora de barras de refuerzo movida por motor. |
AT04771612T ATE529338T1 (de) | 2003-08-12 | 2004-08-06 | Motorgetriebene verstärkungsstabbindemaschine |
EP04771612A EP1655226B1 (en) | 2003-08-12 | 2004-08-06 | Motor-driven reinforcing rod binding machine |
US10/567,861 US7353846B2 (en) | 2003-08-12 | 2004-08-06 | Motor-driven reinforcing rod binding machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003292516A JP4144473B2 (ja) | 2003-08-12 | 2003-08-12 | 鉄筋結束機の冷却装置 |
JP2003-292516 | 2003-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005014398A1 true WO2005014398A1 (ja) | 2005-02-17 |
Family
ID=34131726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/011637 WO2005014398A1 (ja) | 2003-08-12 | 2004-08-06 | モータ駆動式の鉄筋結束機 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7353846B2 (ja) |
EP (1) | EP1655226B1 (ja) |
JP (1) | JP4144473B2 (ja) |
AT (1) | ATE529338T1 (ja) |
AU (1) | AU2004263454B2 (ja) |
ES (1) | ES2374197T3 (ja) |
TW (1) | TW200512352A (ja) |
WO (1) | WO2005014398A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4396384B2 (ja) * | 2004-05-07 | 2010-01-13 | マックス株式会社 | 鉄筋結束機 |
JP4586540B2 (ja) * | 2005-01-13 | 2010-11-24 | マックス株式会社 | 鉄筋結束機 |
JP5217621B2 (ja) * | 2008-05-19 | 2013-06-19 | マックス株式会社 | 鉄筋結束機における配線構造 |
US9597724B2 (en) | 2010-09-02 | 2017-03-21 | Jon R. Kodi | Wire twisting tools and methods |
US9404275B2 (en) | 2010-11-30 | 2016-08-02 | Pneutools, Incorporated | Reinforcing bar wire tying apparatus |
TWI572458B (zh) * | 2011-11-02 | 2017-03-01 | Max Co Ltd | electrical tools |
US9722514B2 (en) * | 2014-04-07 | 2017-08-01 | Nidec Control Techniques Limited | Motor drive and method of controlling a temperature of a motor drive |
DK3326921T3 (da) | 2015-07-22 | 2022-08-15 | Max Co Ltd | Bindemaskine |
DE102017209040A1 (de) * | 2016-08-09 | 2018-02-15 | Robert Bosch Gmbh | Verfahren zur Kalibrierung und/oder zum Betrieb einer Handwerkzeugmaschine und Handwerkzeugmaschine |
JP6834485B2 (ja) * | 2016-12-29 | 2021-02-24 | マックス株式会社 | 結束機 |
JP7099089B2 (ja) * | 2018-06-29 | 2022-07-12 | マックス株式会社 | 結束機 |
JP7354687B2 (ja) * | 2018-09-07 | 2023-10-03 | マックス株式会社 | 結束機 |
JP7280767B2 (ja) * | 2019-07-05 | 2023-05-24 | 株式会社マキタ | 鉄筋結束機 |
JP2022077685A (ja) * | 2020-11-12 | 2022-05-24 | 建ロボテック株式会社 | 鉄筋結束機用結束線供給システム |
AU2022202516A1 (en) | 2021-04-16 | 2022-11-03 | Max Co., Ltd. | Binding machine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62291421A (ja) * | 1985-10-21 | 1987-12-18 | Honda Motor Co Ltd | エンジン冷却システム |
JPH07208388A (ja) * | 1994-01-13 | 1995-08-08 | Fujitsu General Ltd | ファン冷却装置 |
JPH10250703A (ja) * | 1997-03-13 | 1998-09-22 | Toyota Kihan:Kk | 鉄筋結束機 |
CA2461657A1 (en) | 2001-09-28 | 2003-04-10 | Max Kabushiki Kaisha | Reinforcement binding machine and reel used for the machine |
JP2003147962A (ja) * | 2001-11-13 | 2003-05-21 | Masaharu Ookawa | 電動注入装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125326A (en) * | 1964-03-17 | ericsson | ||
US4313779A (en) * | 1979-07-30 | 1982-02-02 | Signode Corporation | All electric friction fusion strapping tool |
JPH053494A (ja) | 1991-06-25 | 1993-01-08 | Nec Commun Syst Ltd | 構内交換装置 |
JPH077805A (ja) | 1993-06-18 | 1995-01-10 | Hitachi Ltd | アクティブ集電制御システム |
JP3393684B2 (ja) * | 1993-08-16 | 2003-04-07 | 株式会社エスディーコーポレーション | 物品の結束方法及び結束装置 |
US6349385B1 (en) * | 1998-11-20 | 2002-02-19 | Compaq Computer Corporation | Dual power supply fan control—thermistor input or software command from the processor |
JP4747463B2 (ja) | 2001-08-21 | 2011-08-17 | マックス株式会社 | 鉄筋結束機 |
US6907717B2 (en) * | 2002-06-14 | 2005-06-21 | Illinois Tool Works, Inc. | Dual motor strapper |
-
2003
- 2003-08-12 JP JP2003292516A patent/JP4144473B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-04 TW TW093123342A patent/TW200512352A/zh not_active IP Right Cessation
- 2004-08-06 AT AT04771612T patent/ATE529338T1/de not_active IP Right Cessation
- 2004-08-06 AU AU2004263454A patent/AU2004263454B2/en not_active Expired
- 2004-08-06 US US10/567,861 patent/US7353846B2/en active Active
- 2004-08-06 EP EP04771612A patent/EP1655226B1/en not_active Expired - Lifetime
- 2004-08-06 ES ES04771612T patent/ES2374197T3/es not_active Expired - Lifetime
- 2004-08-06 WO PCT/JP2004/011637 patent/WO2005014398A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62291421A (ja) * | 1985-10-21 | 1987-12-18 | Honda Motor Co Ltd | エンジン冷却システム |
JPH07208388A (ja) * | 1994-01-13 | 1995-08-08 | Fujitsu General Ltd | ファン冷却装置 |
JPH10250703A (ja) * | 1997-03-13 | 1998-09-22 | Toyota Kihan:Kk | 鉄筋結束機 |
CA2461657A1 (en) | 2001-09-28 | 2003-04-10 | Max Kabushiki Kaisha | Reinforcement binding machine and reel used for the machine |
JP2003147962A (ja) * | 2001-11-13 | 2003-05-21 | Masaharu Ookawa | 電動注入装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4144473B2 (ja) | 2008-09-03 |
EP1655226A4 (en) | 2010-03-24 |
TWI333013B (ja) | 2010-11-11 |
US20060254666A1 (en) | 2006-11-16 |
AU2004263454B2 (en) | 2011-06-02 |
EP1655226B1 (en) | 2011-10-19 |
US7353846B2 (en) | 2008-04-08 |
EP1655226A1 (en) | 2006-05-10 |
ATE529338T1 (de) | 2011-11-15 |
AU2004263454A1 (en) | 2005-02-17 |
ES2374197T3 (es) | 2012-02-14 |
TW200512352A (en) | 2005-04-01 |
JP2005061067A (ja) | 2005-03-10 |
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