WO2019227304A1 - Mécanisme de liaison pour machine d'attache de barre d'armature et machine d'attache de barre d'armature - Google Patents

Mécanisme de liaison pour machine d'attache de barre d'armature et machine d'attache de barre d'armature Download PDF

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Publication number
WO2019227304A1
WO2019227304A1 PCT/CN2018/088827 CN2018088827W WO2019227304A1 WO 2019227304 A1 WO2019227304 A1 WO 2019227304A1 CN 2018088827 W CN2018088827 W CN 2018088827W WO 2019227304 A1 WO2019227304 A1 WO 2019227304A1
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WO
WIPO (PCT)
Prior art keywords
wire
twisting
reinforcing bar
power
bundling machine
Prior art date
Application number
PCT/CN2018/088827
Other languages
English (en)
Chinese (zh)
Inventor
吴加元
易映国
罗泳杨
李移清
肖秀南
Original Assignee
广东顺德华焱电子科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东顺德华焱电子科技有限公司 filed Critical 广东顺德华焱电子科技有限公司
Priority to PCT/CN2018/088827 priority Critical patent/WO2019227304A1/fr
Publication of WO2019227304A1 publication Critical patent/WO2019227304A1/fr

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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
    • 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

Definitions

  • the invention relates to a reinforcing bar bundling device, in particular to a linkage mechanism of a reinforcing bar bundling machine and a reinforcing bar bundling machine.
  • the relative positional relationship between components and the force of the entire component depend on the gear box. Therefore, the component is mounted on the gear box and then placed on the housing. Due to the complicated structure of the gearbox (similar to a square thin-walled part), due to the limitations of structure, technology, precision, strength and material life of the gearbox, the cooperation between transmission parts is insufficient, and it is easy to deform for a long time. Aging, easy to lose the support and positioning effect, leading to a series of problems such as unstable wire feeding, poor tightening of the wire knot, and inability to cut the wire.
  • the object of the present invention is to provide a linkage mechanism of a steel bar bundling machine and a steel bar bundling machine, the structure of which is simplified, and at the same time, the working performance is also greatly improved.
  • a linkage mechanism of a reinforcing bar bundling machine includes: a twisting mechanism and a wire feeding mechanism, and the linkage mechanism includes a power device and a power delay mechanism.
  • the wire twisting mechanism is connected.
  • the power device is connected to the wire feeding mechanism through a power delay mechanism.
  • the power delay mechanism is used to control the wire feeding mechanism to stop the wire feeding after the wire twisting mechanism finishes twisting and when the wire twisting mechanism resets.
  • the power device includes a motor, and a power shaft of the motor and a rotation rod of the twisting wire mechanism are disposed on the same axis and connected to each other; or the power device includes a motor and a reduction box, and the power shaft of the motor and The reduction gear box is connected, and the power output shaft of the reduction gear box and the rotating rod of the twisting wire mechanism are arranged on the same axis and connected to each other.
  • the power delay mechanism includes a buffer mechanism and a counting wheel for transmitting power to the buffer mechanism, and the counting wheel is fixed on the rotating rod of the twisting mechanism.
  • a “C” -shaped transmission groove is provided on the side of the counting wheel, and the buffer mechanism has a transmission projection that can slide in the transmission groove.
  • the counting wheel transmits power to the buffer mechanism through the transmission bump.
  • the wire twisting mechanism includes a rotating rod, a spring, a wire twisting claw, and a chuck body for driving the wire twisting claw to hold the bundled wire or an open chuck body.
  • the rotary lever is connected to the chuck body, and the spring is provided on the chuck body.
  • the spring is sleeved on the rotating rod, and the two ends of the spring are respectively abutted on the chuck body and the rotating rod.
  • the rotating rod has a reduced diameter section
  • the spring is sleeved on the reduced diameter section and one end of the spring abuts on an end surface of the reduced diameter section opposite to the chuck body.
  • the counting wheel is provided with slot holes uniformly along the circumferential direction on the circumferential surface, and each slot hole is filled with a magnet, and the detection device of the reinforcing bar bundling machine judges the length of the wire feed by detecting the number of magnets passing through;
  • the counting wheel is provided with light-transmitting grooves evenly along the circumferential direction on the circumferential surface, and the detection device of the reinforcing bar bundling machine determines the length of the wire feed by detecting the number of light-transmitting grooves passing through.
  • it further comprises a fixing ring, which is sleeved on the sleeve of the twisting mechanism so as to fix the twisting mechanism on the casing of the reinforcing steel strapping machine.
  • a reinforcing bar bundling machine includes the linkage mechanism of any of the foregoing bundling bundling machines.
  • the wire twisting mechanism, the wire feeding mechanism, the limit mechanism and the guide wire cutting mechanism of the steel bar bundling machine are all mounted on the casing.
  • the present invention has the following advantages and effects:
  • the power shaft of the motor of the present invention and the rotating rod of the twisting wire mechanism are arranged on the same axis, which can be connected in a simple manner, and can also achieve the effect of reliable fastening, and the overall components are easily positioned and installed.
  • the twisting wire mechanism rotates under the driving of the motor, and there is no additional deflection torque effect when twisting the wire, which makes the transmission more reliable and improves the service life.
  • the volume and weight of the invention can be reduced, and the structure is more compact.
  • the invention sets the spring outside the rotating rod, and increases the installation space of the spring under the condition that the structure of the original twist wire mechanism is unchanged. Therefore, a spring with a relatively large diameter can be selected, and the required elastic force and Meet the life requirements, greatly improve the mechanical properties of the spring. After the performance of the spring is improved, there is enough elastic force to open the twisting claws, and to ensure that the twisting mechanism loosens the wire knot smoothly.
  • the mechanisms in the present invention can be directly installed on the housing, which effectively simplifies the structure and facilitates positioning, reduces the assembly requirements and secures the connection, improves the stability of the whole machine, and ensures that the wire knot is tightened in place and cut off smoothly .
  • FIG. 1 is a schematic structural diagram of an embodiment of a linkage mechanism of a reinforcing bar binding machine according to the present invention
  • Figure 2 is a sectional view of Figure 1;
  • Figure 3 is an exploded view of Figure 1;
  • FIG. 4 is a schematic structural diagram of an embodiment of a counting wheel of a linkage mechanism of a reinforcing bar binding machine according to the present invention
  • Figure 5 is a perspective view of Figure 4.
  • FIG. 6 is a schematic structural diagram of another embodiment of a counting wheel of a linkage mechanism of a reinforcing bar binding machine according to the present invention.
  • FIG. 7 is a schematic structural diagram of an embodiment of a reinforcing bar binding machine according to the present invention.
  • FIG. 1 is a schematic structural diagram of an embodiment of a linkage mechanism of a reinforcing bar binding machine according to the present invention.
  • the reinforcing bar bundling machine comprises: a twisting wire mechanism 1 and a wire feeding mechanism 2.
  • the linkage mechanism includes a power unit 3 and a power delay mechanism.
  • the power unit 3 is connected to the wire twisting unit 1 and has power.
  • the device 3 is connected to the wire feeding mechanism 2 through a power delay mechanism.
  • the power delay mechanism is used to control the wire feeding mechanism 2 to stop the wire feeding after the twisting of the wire twisting mechanism is completed and the wire twisting mechanism is reset.
  • the power unit is fixedly installed on the reinforcing bar binding machine. On the shell.
  • the power unit 3 includes a motor and a reduction gear box 5.
  • the power output shaft of the reduction gear box and the turning rod 4 of the twisting mechanism 1 are disposed on the same axis and are decelerated.
  • the box 5 is connected to the rotation lever 4.
  • the reduction gear box 5 uses a planetary gear box; or, the power unit 3 includes a motor, and the power shaft of the motor and the rotating rod 4 of the twisting wire mechanism 1 are arranged on the same axis and connected to each other, and the motor can use a servo Motor.
  • the motor's power shaft can be directly connected to the twisting mechanism 1 to provide the required speed and torque during use.
  • the power is transmitted to the pinion assembly through the pinion assembly.
  • the buffer mechanism of the power delay mechanism reduces the gear assembly used for power transmission in the middle.
  • the volume and weight of the present invention are reduced, and the twisting mechanism 1, the motor, and the reduction box 5 are arranged on the same axis, which can reduce the volume of the present invention and make the structure more compact.
  • the existing technology needs to be fixed at multiple points. Specifically, 1. the motor needs to be fixed through the shell; 2.
  • the motor needs to be connected with screws and gear boxes; 3. the outer sleeve of the motor output shaft needs to be fixed with Position the gearbox to ensure that it is as concentric with the pinion assembly as possible to avoid transmission swing. 4.
  • One end of the pinion assembly is connected to the motor and fixed to the gearbox through bearings. 5.
  • the front end of the twisting mechanism is installed on the gear by the collar.
  • the tail of the twisted wire mechanism needs to be supported on the gear box by bearings.
  • a spring is installed at the tail of the core shaft of the twisted wire mechanism, and the side wall of the motor reduction gear box is against the tail of the core shaft to reduce the back and forth movement of the wire twisted mechanism.
  • the present invention can fix the twisting mechanism 1 on the casing only by putting a fixing ring 6 on the sleeve of the twisting mechanism 1, and at the same time, the motor can be fixed on the casing. It can be seen that the present invention also simplifies the twisting mechanism. 1 fixed structure.
  • the pinion gear assembly is used as an intermediate transmission link, and it is necessary to additionally position the pinion gear assembly and the twisting mechanism. Due to space and weight limitations of the power tool, the most reasonable structural solution cannot be adopted, resulting in stability problems in the transmission of the mechanism.
  • the power shaft of the motor of the present invention is arranged on the same axis as the rotation rod 4 of the twisting mechanism 1, and can be connected in a simple manner, and the effect of reliable fastening can also be achieved, and the overall components are easily positioned and installed.
  • the twisting wire mechanism 1 rotates under the drive of the motor, and there is no additional skewing torque effect when twisting the wire, so that the transmission is more reliable, and the service life is improved.
  • the power delay mechanism includes a buffer mechanism and a counting wheel 9 for transmitting power to the buffer mechanism.
  • the counting wheel 9 is fixedly mounted on the rotating rod 4 of the twisting mechanism 1.
  • the power of the prior art motor component is transmitted to the large gear of the buffer mechanism through the small gear assembly, thereby driving the twisting mechanism. Due to the unilateral power input, the twisting wire mechanism will receive additional skewed torque when twisting the wire, and there will be fluctuations in the operation of the mechanism, which will affect the control system's judgment of the tightening of the wire.
  • the motor of the present invention is directly connected to the twisting wire mechanism 1 through the reduction box 5.
  • the twisting wire mechanism 1 rotates under the drive of the motor to output torque, and the torque is transmitted through the twisting wire mechanism 1 without the influence of additional deflection torque, and the transmission is stable. It is helpful for the control system to judge the tightening of the wire, and to reduce the requirements of the strength of the support mechanism. Therefore, the present invention not only reduces parts, but also achieves the effect of optimizing product transmission.
  • a side of the counting wheel 9 is provided with a "C" -shaped transmission groove 7, the buffer mechanism has a transmission projection 8 that can slide in the transmission groove 7, and the counting wheel 9 rotates. In the middle, when the end of the transmission groove 7 is in contact with the transmission projection 8, the counting wheel 9 drives the buffer mechanism through the transmission projection 8.
  • the buffer mechanism includes a wire feeding transmission gear 12 that transmits power to the wire feeding mechanism 2 and at least one buffer wheel 10.
  • Each buffer wheel 10 is provided with a buffer ring groove 11 on one side thereof, and the transmission projections 8 is arranged on the other side of the buffer wheel 10, and the wire feeding transmission gear 12 can be fixedly connected to the buffer wheel 10 to achieve the effect of receiving power, or a driving projection is protruding on one side of the wire feeding transmission gear 12 to drive the projection
  • the block is connected to the buffer ring groove 11 of the buffer wheel 10, and when the driving projection is in contact with the groove end of the buffer ring groove 11, the buffer wheel 10 drives the wire feeding transmission gear 12 by driving the projection, thereby driving the wire feeding mechanism 2, After the wire twisting mechanism 1 of the power unit drives the wire twisting and the wire twisting mechanism is reset, the wire feeding mechanism 2 is stopped.
  • the transmission projections 8 between the two adjacent buffer wheels 10 cooperate with the buffer ring groove 11.
  • the wire twisting mechanism 1 includes a rotating lever 4, a spring 13, a wire twisting claw 14, and a chuck body 15 for driving the wire twisting claw 14 to tightly bundle or open a wire,
  • the rotation lever 4 is connected to the chuck body 15.
  • a spring 13 is disposed outside the chuck body 15.
  • the spring 13 is sleeved on the rotation lever 4. The two ends of the spring 13 abut the chuck body 15 and the rotation lever 4 respectively.
  • the rotating rod 4 has a diameter reducing section
  • the spring 13 is sleeved on the diameter reducing section and one end of the spring 13 abuts on the end surface of the diameter reducing section opposite to the collet body 15.
  • the wire twisting claw 14 is opened when resetting.
  • the elastic force of the spring 13 is required to open the wire twisting claw 14.
  • the thread of the rotating rod 4 and the dental plate can be ensured to be tight when the thread of the rotating rod 4 is always tight.
  • the wire twisting mechanism 1 needs to twist the wire, the rod is rotated. 4 threads can be engaged with the dental plate. (For example, the spring 13 is damaged and there is no elastic force. At this time, the thread of the rotating rod 4 is separated from the dental plate, and the dental plate cannot enter the thread of the rotating rod 4, resulting in damage to the reinforcing bar binding machine).
  • the rotating rod 4 When the thread of the rotating rod 4 slides with the dental plate, the rotating rod 4 will move axially forward and backward. At this time, the rotating rod 4 continuously collides with the spring 13 and the spring 13 continuously scales slightly. Therefore, the spring 13 is required to have good mechanical properties.
  • the spring in the prior art is placed in the hole opened by the chuck body 15. Therefore, due to structural restrictions and material limit stress restrictions, conventional materials cannot achieve large elasticity and durability. In this case, when the elastic force of the spring is insufficient, after the twisting wire mechanism tightens the iron wire, the twisting wire mechanism is reset and the twisting claws are unfolded. It is necessary to rely on the spring force of the compression spring.
  • the twisting mechanism moves backward relative to the wire knot, and assists in detaching the twisted claw from the wire knot, which may cause the wire knot to loosen, and the steel bar cannot be completely tightened.
  • the spring 13 is sleeved outside the rotating rod 4 and the installation space of the spring 13 is increased under the condition that the structure of the original twisting wire mechanism 1 is not changed. Therefore, a spring 13 with a relatively large diameter can be selected and easily obtained. Required elasticity and meet life requirements. The mechanical properties of the spring 13 are greatly improved. After the performance of the spring 13 is improved, there is sufficient elastic force to open the twisting claws, and to ensure that the twisting mechanism 1 loosens the wire knot smoothly.
  • FIG. 4 is a schematic structural diagram of an embodiment of a counting wheel of a linkage mechanism of a reinforcing bar binding machine according to the present invention.
  • the counting wheel 9 is uniformly provided with slot holes in the circumferential direction in the circumferential direction, and each slot hole is filled with a magnet 16.
  • the detection device of the reinforcing bar bundling machine judges the length of the wire feed by detecting the number of the magnet 16 passing,
  • the detection device may be a Hall original or the like.
  • FIG. 6 is a schematic structural diagram of another embodiment of a counting wheel of a linkage mechanism of a reinforcing bar binding machine according to the present invention.
  • the counting wheel 9 is uniformly provided with light-transmitting grooves 17 on the circumferential surface in the circumferential direction.
  • the detection device of the reinforcing bar bundling machine determines the length of the wire feed by detecting the number of light-transmitting grooves 17 passing through.
  • the detection device may be a photoelectric sensor.
  • FIG. 7 is a schematic structural diagram of an embodiment of a reinforcing bar binding machine according to the present invention.
  • the reinforcing bar bundling machine of this embodiment includes any linkage mechanism of the reinforcing bar bundling machine described above.
  • the twisting mechanism 1, the wire feeding mechanism 2, the limit mechanism, and the guide wire cutting mechanism of the steel bar bundling machine are directly installed on the casing, which can simplify the structure, facilitate positioning, and reduce assembly requirements.
  • the connection is tight and firm, which improves the stability of the whole machine and ensures that the wire knot is tightened in place and cut off smoothly.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Basic Packing Technique (AREA)

Abstract

L'invention concerne un mécanisme de liaison pour une machine d'attache de barre d'armature et une machine d'attache de barre d'armature, le mécanisme de liaison pour la machine d'attache de barre d'armature comprenant un dispositif d'alimentation (3) et un mécanisme de retard de puissance, le dispositif d'alimentation (3) étant raccordé à un mécanisme de torsion de fil (1) de la machine d'attache de barre d'armature, le dispositif d'alimentation (3) étant raccordé à un mécanisme d'alimentation de fil (2) de la machine d'attache de barre d'armature au moyen du mécanisme de retard de puissance, et le mécanisme de retard de puissance étant utilisé pour commander le mécanisme d'alimentation de fil (2) pour mettre fin à l'alimentation de fil lorsque le mécanisme de torsion de fil (1) termine la torsion du fil et le mécanisme de torsion de fil (1) se réinitialise; et la machine d'attache de barre d'armature comprend le mécanisme de liaison pour la machine d'attache de barre d'armature. La machine d'attache de barre d'armature peut utiliser un raccordement simple et peut également présenter un effet sécurisé et fiable et ses parties intégrées sont faciles à positionner et à monter.
PCT/CN2018/088827 2018-05-29 2018-05-29 Mécanisme de liaison pour machine d'attache de barre d'armature et machine d'attache de barre d'armature WO2019227304A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/088827 WO2019227304A1 (fr) 2018-05-29 2018-05-29 Mécanisme de liaison pour machine d'attache de barre d'armature et machine d'attache de barre d'armature

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Application Number Priority Date Filing Date Title
PCT/CN2018/088827 WO2019227304A1 (fr) 2018-05-29 2018-05-29 Mécanisme de liaison pour machine d'attache de barre d'armature et machine d'attache de barre d'armature

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WO2019227304A1 true WO2019227304A1 (fr) 2019-12-05

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2652552Y (zh) * 2003-10-17 2004-11-03 李国昌 钢筋捆绑扎线器
WO2008013142A1 (fr) * 2006-07-24 2008-01-31 Max Co., Ltd. Procédé de prévention de la torsion de fil dans une lieuse de barre de renforcement
WO2008078581A1 (fr) * 2006-12-22 2008-07-03 Max Co., Ltd. Procédé pour la commande d'un dispositif de liaison de barre de renforcement et dispositif de liaison de barre de renforcement
CN201232363Y (zh) * 2008-07-17 2009-05-06 易笑婕 一种电动钢筋捆扎机
CN203237416U (zh) * 2013-05-23 2013-10-16 台州市新大陆电子科技有限公司 钢丝绕丝总成以及钢筋捆扎机
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
CN104533095A (zh) * 2014-12-17 2015-04-22 佛山市立澜建筑材料有限公司 一种自动钢筋捆扎机
WO2017010122A1 (fr) * 2015-07-13 2017-01-19 株式会社マキタ Dispositif de liaison de renfort
US9856041B2 (en) * 2008-05-19 2018-01-02 Max Co., Ltd. Brake system of wire reel in reinforcing bar binding machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2652552Y (zh) * 2003-10-17 2004-11-03 李国昌 钢筋捆绑扎线器
WO2008013142A1 (fr) * 2006-07-24 2008-01-31 Max Co., Ltd. Procédé de prévention de la torsion de fil dans une lieuse de barre de renforcement
WO2008078581A1 (fr) * 2006-12-22 2008-07-03 Max Co., Ltd. Procédé pour la commande d'un dispositif de liaison de barre de renforcement et dispositif de liaison de barre de renforcement
US9856041B2 (en) * 2008-05-19 2018-01-02 Max Co., Ltd. Brake system of wire reel in reinforcing bar binding machine
CN201232363Y (zh) * 2008-07-17 2009-05-06 易笑婕 一种电动钢筋捆扎机
CN203237416U (zh) * 2013-05-23 2013-10-16 台州市新大陆电子科技有限公司 钢丝绕丝总成以及钢筋捆扎机
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
CN104533095A (zh) * 2014-12-17 2015-04-22 佛山市立澜建筑材料有限公司 一种自动钢筋捆扎机
WO2017010122A1 (fr) * 2015-07-13 2017-01-19 株式会社マキタ Dispositif de liaison de renfort

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