WO2006077744A1 - 鉄筋結束機 - Google Patents
鉄筋結束機 Download PDFInfo
- Publication number
- WO2006077744A1 WO2006077744A1 PCT/JP2005/024235 JP2005024235W WO2006077744A1 WO 2006077744 A1 WO2006077744 A1 WO 2006077744A1 JP 2005024235 W JP2005024235 W JP 2005024235W WO 2006077744 A1 WO2006077744 A1 WO 2006077744A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- binding wire
- binding
- wire
- reinforcing bar
- driving load
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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 reinforcing bar binding machine.
- Electric rebar tying machines are widely used as a means of labor saving and efficiency improvement.
- patent 3496463, etc. is a steel book that sends a binding wire wound on a reel.
- a binding wire feed mechanism that hangs around the bar, a binding wire cutting mechanism that separates the rear end of the binding wire loop that is hung around the reinforcing bar from the subsequent binding wire, and a binding that binds the reinforcing bar by twisting the binding wire loop
- a wire twisting mechanism that pulls the trigger lever and performs a one-cycle process from sending the binding wire to twisting the binding wire to bind the rebar in an extremely short time. The machine is disclosed.
- Japanese Patent Laid-Open No. 2003-267307, Japanese Patent Laid-Open No. 2004-142813, and Japanese Patent Laid-Open No. 2004-142814 describe that a binding wire loop is formed by sending out a binding wire and surrounding a reinforcing bar, and then the binding wire twisting mechanism is used in the vicinity of the tip of the binding wire.
- the binding wire feed mechanism is driven in reverse and the binding wire is pulled back to scoop the binding wire to the reinforcing bar, and then the binding wire twisting mechanism twists the binding wire loop and binds it.
- a rebar tying machine is disclosed in which the binding wire loop length is adjusted according to the thickness of the rebar to reduce the tie wire consumption and improve the binding finish.
- binding wire twisting mechanism grasps the vicinity of the tip of the binding wire, and the binding wire feed mechanism is driven in reverse to pull the binding wire back, thereby binding the binding wire to the reinforcing bar.
- the binding wire twisting mechanism must grip the tip of the binding wire. In rare cases, the binding wire does not enter between the clamps of the binding wire twisting mechanism, and the binding wire cannot be gripped due to some reason such as excessive bending or abnormal feeding. If the binding wire is not gripped, when the binding wire feed mechanism is driven in reverse, the entire binding wire loop is pulled back, and the tip of the binding wire is positioned at the start of feeding (the binding wire cutting mechanism). The cutting position may be more than the cutting position.
- the binding wire feed amount is controlled to be constant in the reinforcing bar binding machine, if the leading end of the binding wire is retracted from the normal position, the binding wire feed line length is insufficient when the next binding cycle starts. As a result, it becomes impossible to perform the bundling work as in the previous bundling cycle that failed. Therefore, in such a situation, it is necessary to interrupt the work and send the binding wire tip to the proper position by hand, or to reload the binding wire, which is troublesome. Disclosure of the invention
- the next binding cycle can be executed normally and the binding wire can be reset.
- a reinforcing bar binding machine that eliminates this trouble.
- a reinforcing bar binding machine includes a binding wire feeding mechanism that forms a binding wire loop around a reinforcing bar by feeding a binding wire wound on a reel to a binding wire guide nose.
- a binding wire cutting mechanism that cuts the rear end of the binding wire loop and separates the binding wire loop from the subsequent binding wire; and a binding wire twisting mechanism that clamps and twists the binding wire loop, and binds after forming the binding wire loop.
- the tip of the wire loop is clamped, the binding wire feed mechanism is driven in reverse, the binding wire is pulled back, and the rear end of the binding wire loop is cut with the binding wire loop in close contact with the reinforcing bar.
- a driving load detection device that detects a driving load amount of the binding wire cutting mechanism, and a driving load amount detected by the driving load detection device
- Flip and a tie wire feeding Ri amount control device for controlling the binding wire feeding amount in the next bundling operation, the driving load in the tie wire cutting step cutting determination reference value or less
- the binding wire twisting mechanism fails to grip the binding wire after sending the binding wire, and the binding wire passes through the binding wire cutting mechanism and is pulled back to the position where it is retracted from the initial position.
- the load increase due to the cutting resistance does not appear during the cutting operation, it is considered that the binding wire has been pulled back to the position retracted from the predetermined initial position, and the normal binding wire feed amount is started at the start of the next binding operation. Increase the feed amount than.
- the binding wire torsion mechanism feeds the binding wire to a position where the binding wire can be gripped, thereby enabling normal binding operation.
- the reinforcing bar binding machine determines the presence or absence of cutting by monitoring the drive load amount in the cutting process after the binding wire pulling back process, and according to the determination result. If the binding wire feed amount is controlled and the tip of the binding wire fails to be gripped and the binding wire is pulled back to the position retracted from the predetermined initial position, the normal binding wire is started when the next binding operation starts. Since the feed amount is increased more than the feed amount and the shortage of the feed length of the bundling wire is compensated for the next bundling operation, there is no need to manually adjust the position of the bundling wire. Reduces work efficiency. Brief Description of Drawings
- FIG. 2 (a) Front view of the binding wire feeding mechanism and the binding wire cutting mechanism.
- FIG. 2 (b) Side view of the binding wire feeding mechanism and the binding wire cutting mechanism.
- FIG. 3 is a side view of a binding wire feeding mechanism showing a cutting state of the binding wire.
- FIG. 4 (a) A front view of the binding wire feeding mechanism showing the retracted state of the binding wires.
- FIG. 4 (b) A side view of the binding wire feeding mechanism showing the retracted state of the binding wires.
- FIG. 5 Flow chart of rebar binding machine operation.
- Fig. 1 shows a reinforcing bar binding machine 1, which contains a binding wire feed mechanism 3 and a binding wire twisting mechanism 4 in a housing 2 and is placed in a magazine 6 arranged in front of the drip portion 5 of the housing 2.
- a binding wire reel (not shown) is loaded into the.
- a battery pack 7 with a built-in Ni-battery is attached to the end of the grip part 5, and the bundled wire is sent through a power circuit board (not shown). Electric power is supplied to the feed motor of the twisting mechanism 3 and the twisting motor of the binding wire twisting mechanism 4.
- a power switch 8, warning detection LED 9, and torsion torque adjustment dial 10 are arranged on the upper surface of the rear part of the rebar binding machine 1, and a buzzer (not shown) for warning detection is provided in the housing 2. Yes.
- Reinforcing bar binding machine 1 performs initialization operation, binding wire feed mechanism 3 feeds the binding wire to the upper binding wire guide nose 11 by a certain length, and binds with a rotary cutter of the binding wire cutting mechanism described later Cut off the tip of the wire and align the tip of the binding wire.
- the binding wire twisting mechanism 4 performs a series of operations including clamping and twisting without holding the binding wire, stops at the initial position, and enters a standby state. After entering the standby state, pull the trigger lever 12 to continuously execute the rebar bundling operation of 1 cycle consisting of bundling wire feed, bundling wire clamp, bundling wire pull back and bundling wire cutting, and bundling wire twisting. .
- the control unit (not shown) monitors the voltage of the battery pack 7 during the bundling operation via the voltage detection circuit, and sounds a buzzer when the voltage of the battery pack 7 drops to the default recommended charging voltage.
- the warning detection LED 9 is lit to notify the voltage drop.
- the drive current of the torsion motor during the bundling operation is monitored via a current detection circuit that is a driving load detection device, and the current value when the bundling wire cutting mechanism driven by the torsion motor performs the cutting operation is measured. In response, the binding wire feed amount described later is controlled.
- the bundling wire feed mechanism 3 includes a V-groove main driving gear 14 driven by a feed motor 13, and a V-groove driven gear 15 mating with the V-groove main driving gear 14.
- the V-groove main drive gear 14 and the V-groove driven gear 15 sandwich the binding wire and send it out.
- the binding wire W is sent upward from the binding wire reel in the magazine.
- the sent out binding wire W is formed in an arc shape along the guide groove on the inner periphery of the binding wire guide nose 11 shown in Fig. 1 and goes around the rebar R.
- the tip is the clamp of the binding wire twist mechanism 4 Pass between.
- the V-grooved driven gear 15 is attached to the lever 16, and the V-grooved main gear 15 is driven by the spring force of the compression coil panel 17 interposed in the lever 16. It is in elastic contact with the moving gear 14.
- the V-groove driven gear 15 attached to the top of the lever 16 is moved from the V-groove main gear 14 on the feed motor 13 side.
- the binding wire W can be passed between the V-groove main drive gear 14 and the V-groove driven gear 15.
- a funnel-shaped tie wire guide 18 is provided below the middle of the two V-groove gears 14 and 15, and the tie wire W is passed through the tie wire guide 18 from below and the V-groove main gear 14 and Set the cable tie between the V-grooved driven gear 15.
- the rotary cutter 19 has a well-known configuration consisting of a cylindrical pin 20 having a diametric groove and a cutter lever 21 fitted to the pin 20.
- the cutter part 21a corresponding to the groove is formed.
- the end of the cutter lever 21 is coupled to the slider of the binding wire twist mechanism 4 via a link, and in conjunction with the movement of the binding wire twist mechanism 4, the initial position of FIG. Rotate in the direction of the arrow to cut the binding wire, and after cutting the binding wire as shown in Fig. 3, return to the initial position in conjunction with the binding wire twisting mechanism.
- the binding wire twisting mechanism 4 is a known mechanism comprising a torsion shaft not shown in FIG. 1 and three clamp plates attached to the tip of the twisting shaft. Two clamp plates located inside the side cover 23 located between the nose 11 and the lower guard 22 and arranged on both sides of the fixed central clamp plate are opened and closed by the cam mechanism.
- the binding wire is sent out between the central clamp plate and one outer clamp plate, and the control unit stops sending the binding wire after sending the binding wire corresponding to the set number of turns.
- the tip of the wire reaches the predetermined position of the cable guide nose 11.
- the clamp plate of the binding wire twisting mechanism 4 clamps the leading end side of the binding wire loop, pulls back the binding wire, and the binding wire twisting mechanism 4 slides, and the force-tatter lever 21 of the binding wire cutting mechanism is moved via the link. It is rotated to shear the rear end of the binding wire loop, and the binding wire loop is disconnected from the subsequent binding wire.
- the clamp plate of the wire twisting mechanism 4 also clamps the rear end side of the binding wire loop, and the torsion shaft and the clamp plate are driven to rotate to twist the binding wire loop, thereby binding the reinforcing bars. Torsion is stopped when the torsional torque rises to a set value. Then, the torsion motor is rotated in the reverse direction, the clamp plate is opened, the torsion shaft is returned to the initial position, and the binding process of one cycle is completed.
- the tip of the bundling wire W on the reel side is at the outer peripheral position of the pin 20 of the rotary cutter 19 as shown in Fig. 3. If the clamp of the binding wire torsion mechanism cannot grip the tip of the binding wire later, the binding wire W will be pulled back longer than the sent length in the binding wire pull-back process following the binding wire sending process. As shown in Fig. 4 (a) and Fig. 4 (b), the leading end of the binding wire W is retracted from the predetermined position in Fig. 3 and the bundling operation in the next cycle has been hindered. As stated in the technical problem.
- the controller of rebar binding machine 1 is initialized by passing the binding wire W between the V-groove main driving gear 14 and the V-groove driven gear 15 of the binding wire feed mechanism and turning on the power switch 8 (step 101). Perform the action (step 102).
- the binding wire feed mechanism 3 slightly sends the binding wire W, cuts the binding wire W at a predetermined position as shown in FIG. 4, and the binding wire twisting mechanism 4 performs the clamping and twisting operation without supplying the binding wire. Executes to stop all mechanical parts at the initial position and enter the standby state.
- the control unit monitors the drive current of the torsion motor via the current detection circuit, and either the cutting or the rotary cutter according to the current value when the rotary cutter 19 driven by the torsion motor performs the cutting operation. Judge whether it is idle operation with no tie wire through 19 or not. When cutting is detected, feed amount flag 1 is written to RAM, and when cutting is not performed, feed amount flag 0 is written to RAM.
- the graph in Fig. 6 shows the drive current of the torsion motor. When the binding wire is cut, a high current peak appears due to the shear resistance, and when there is no abnormality (when it is not cut), there is no binding wire shear resistance, so the high current peak is It does not appear as a flat current graph line.
- the controller determines whether the operation is normal or abnormal based on the presence or absence of this peak.
- the disconnection judgment reference value is determined by measuring and verifying the current during actual operation. Will do.
- the binding wire feed amount of the binding wire feed mechanism 3 is controlled based on the feed amount flag as the binding wire feed amount control (step 104). Is done. Immediately after initialization, the feed amount flag is 1, which indicates a normal state. Therefore, the binding wire is fed by the specified amount (step 105), and the binding wire torsion mechanism 4 clamps the binding wire tip part and the binding wire feed mechanism.
- a series of bundling operations are carried out, including reverse drive, pulling back the bundling wire, clamping the rear end portion of the bundling wire, cutting with the bundling wire cutting mechanism, and twisting with the bundling wire twisting mechanism (step 107).
- the rotary cutter 19 Based on the presence or absence of a predetermined peak of the torsion motor drive current during the bundling operation, it is determined whether the rotary cutter 19 is the force ⁇ which cuts the bundling wire or the idle operation, and the feed amount flag 1 (normal) or 0 (abnormal ) Is recorded and the unit enters standby mode.
- the binding wire twisting mechanism 4 cannot grip the binding wire W after the binding wire is sent out and the binding wire W is pulled back beyond the specified position as shown in Fig. 4, the rotary cutter Since 19 cannot cut the binding wire and operates idle, and the predetermined peak of the torsional motor drive current does not appear, the feed amount flag 0 is written in step 108, and the next time the lever 12 is turned on, Depending on the feed amount flag 0, the process proceeds from step 103 to step 106, and an amount obtained by adding a normal amount to the feed amount (difference L between the specified position and the retraction position in the figure) is sent. As a result, when the binding wire W is not significantly deformed or damaged, the tip of the binding wire W passes between the clamps of the binding wire twisting mechanism 4, and is normally clamped to perform the binding operation. There is no need to reset the line.
- the configuration for detecting the load amount based on the current value as the driving load detection device has been described.
- the load amount may be detected from the voltage of the torsion motor or the rotational speed.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Basic Packing Technique (AREA)
- Wire Processing (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002595078A CA2595078A1 (en) | 2005-01-20 | 2005-12-27 | Reinforcing bar tying tool |
EP05844858A EP1840030A1 (en) | 2005-01-20 | 2005-12-27 | Reinforcing rod binding machine |
AU2005326187A AU2005326187A1 (en) | 2005-01-20 | 2005-12-27 | Reinforcing rod binding machine |
US11/795,602 US20080110354A1 (en) | 2005-01-20 | 2005-12-27 | Reinforcing Bar Tying Tool |
NO20073770A NO20073770L (no) | 2005-01-20 | 2007-07-19 | Ombindingsmaskin for armeringsstenger |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005012209A JP2006200196A (ja) | 2005-01-20 | 2005-01-20 | 鉄筋結束機 |
JP2005-012209 | 2005-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006077744A1 true WO2006077744A1 (ja) | 2006-07-27 |
Family
ID=36692134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/024235 WO2006077744A1 (ja) | 2005-01-20 | 2005-12-27 | 鉄筋結束機 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20080110354A1 (ja) |
EP (1) | EP1840030A1 (ja) |
JP (1) | JP2006200196A (ja) |
AU (1) | AU2005326187A1 (ja) |
CA (1) | CA2595078A1 (ja) |
NO (1) | NO20073770L (ja) |
RU (1) | RU2007131445A (ja) |
WO (1) | WO2006077744A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111483639A (zh) * | 2016-12-29 | 2020-08-04 | 美克司株式会社 | 捆扎机 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK3483360T3 (da) * | 2008-05-19 | 2022-07-25 | Max Co Ltd | Wirespolebremsesystem i en maskine til at binde armeringsstænger |
JP5182212B2 (ja) * | 2009-05-12 | 2013-04-17 | マックス株式会社 | 鉄筋結束機 |
TWI516415B (zh) | 2008-12-12 | 2016-01-11 | 美克司股份有限公司 | 鐵筋捆紮機 |
JP5310525B2 (ja) * | 2009-12-17 | 2013-10-09 | マックス株式会社 | 鉄筋結束機におけるイニシャライズ方法 |
US9597724B2 (en) | 2010-09-02 | 2017-03-21 | Jon R. Kodi | Wire twisting tools and methods |
CN102849239A (zh) * | 2012-09-26 | 2013-01-02 | 煤炭科学研究总院爆破技术研究所 | 自动捆扎机 |
CN104343242A (zh) * | 2013-07-31 | 2015-02-11 | 宁波三泰电子科技有限公司 | 一种全自动钢筋捆扎机的绕丝总成 |
JP6500608B2 (ja) * | 2015-05-29 | 2019-04-17 | マックス株式会社 | 鉄筋結束機 |
JP6674265B2 (ja) * | 2016-01-28 | 2020-04-01 | 株式会社マキタ | 鉄筋結束機 |
JP6922221B2 (ja) | 2016-12-29 | 2021-08-18 | マックス株式会社 | 結束機 |
JP6834485B2 (ja) * | 2016-12-29 | 2021-02-24 | マックス株式会社 | 結束機 |
US11365552B2 (en) * | 2017-06-07 | 2022-06-21 | Max Co., Ltd. | Binding machine |
JP7280767B2 (ja) * | 2019-07-05 | 2023-05-24 | 株式会社マキタ | 鉄筋結束機 |
US11370054B2 (en) | 2019-08-15 | 2022-06-28 | Forney Industries, Inc. | Wire spool gun |
JP7469971B2 (ja) * | 2020-06-30 | 2024-04-17 | 株式会社マキタ | 鉄筋結束機 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1045105A (ja) * | 1996-08-02 | 1998-02-17 | Max Co Ltd | 鉄筋結束機におけるワイヤ絡み防止方法 |
JP2004142782A (ja) * | 2002-10-24 | 2004-05-20 | Max Co Ltd | 鉄筋結束機 |
-
2005
- 2005-01-20 JP JP2005012209A patent/JP2006200196A/ja active Pending
- 2005-12-27 EP EP05844858A patent/EP1840030A1/en not_active Withdrawn
- 2005-12-27 AU AU2005326187A patent/AU2005326187A1/en not_active Abandoned
- 2005-12-27 WO PCT/JP2005/024235 patent/WO2006077744A1/ja active Application Filing
- 2005-12-27 RU RU2007131445/11A patent/RU2007131445A/ru not_active Application Discontinuation
- 2005-12-27 CA CA002595078A patent/CA2595078A1/en not_active Abandoned
- 2005-12-27 US US11/795,602 patent/US20080110354A1/en not_active Abandoned
-
2007
- 2007-07-19 NO NO20073770A patent/NO20073770L/no not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1045105A (ja) * | 1996-08-02 | 1998-02-17 | Max Co Ltd | 鉄筋結束機におけるワイヤ絡み防止方法 |
JP2004142782A (ja) * | 2002-10-24 | 2004-05-20 | Max Co Ltd | 鉄筋結束機 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111483639A (zh) * | 2016-12-29 | 2020-08-04 | 美克司株式会社 | 捆扎机 |
Also Published As
Publication number | Publication date |
---|---|
US20080110354A1 (en) | 2008-05-15 |
EP1840030A1 (en) | 2007-10-03 |
NO20073770L (no) | 2007-10-19 |
RU2007131445A (ru) | 2009-02-27 |
JP2006200196A (ja) | 2006-08-03 |
AU2005326187A1 (en) | 2006-07-27 |
CA2595078A1 (en) | 2006-07-27 |
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