WO2018194304A1 - Appareil de redressement de barre de renforcement - Google Patents

Appareil de redressement de barre de renforcement Download PDF

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Publication number
WO2018194304A1
WO2018194304A1 PCT/KR2018/004138 KR2018004138W WO2018194304A1 WO 2018194304 A1 WO2018194304 A1 WO 2018194304A1 KR 2018004138 W KR2018004138 W KR 2018004138W WO 2018194304 A1 WO2018194304 A1 WO 2018194304A1
Authority
WO
WIPO (PCT)
Prior art keywords
roller
reinforcing bar
rebar
processing apparatus
lower roller
Prior art date
Application number
PCT/KR2018/004138
Other languages
English (en)
Korean (ko)
Inventor
반창완
하윤철
조준기
Original Assignee
대한네트웍스 주식회사
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 대한네트웍스 주식회사 filed Critical 대한네트웍스 주식회사
Publication of WO2018194304A1 publication Critical patent/WO2018194304A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/16—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially adapted methods or means

Definitions

  • the present invention relates to a rebar straightening processing apparatus, and more particularly, to a rebar straightening processing apparatus that can prevent the reinforcing bar to the outside during the straightening process of the rebar.
  • Reinforcing bars are used for transport problems and are used as regular dimensions up to 18 m, mainly up to 12 m long. Regular reinforcing bars transported to the rebar processing plant or construction site are cut to the required length according to the degree of reinforcement, and in this process, stiff bars are inevitably generated. Various efforts have been made to reduce reinforcing bar reinforcement, such as rebar reinforcement detail drawing and rebar processing optimization.
  • Coil reinforcement saves reinforcing material costs because there is little loss of reinforcing bar, and productivity is improved because transportation for reinforcing bar is drastically reduced in factory processing.
  • interest in coil rebars has increased due to higher processing rates of rebars and higher material and labor costs.
  • This straightening process is configured to straighten the curved rebar by inserting it between a plurality of rollers and by pressing the reinforcing bar with rotation. At this time, since the rebar has a bent state, there is a problem that the rebar is frequently removed from the roller in the process of being inserted between the rollers.
  • an object of the present invention is to provide a rebar straightening processing apparatus that can prevent the bent reinforcement from being separated from the roller in the straightening process.
  • Rebar straightening processing apparatus of the present invention for achieving the above object, in the rebar straightening processing apparatus that straightens the bent rebar,
  • Reinforcing bar guide means is provided on one side of the workbench to which the reinforcing bar is supplied, and is built up from the workbench and provided with a passage space through which the reinforcing bar can pass;
  • It includes a roller means provided between the reinforcing bar guide means and provided with a plurality of rollers to be formed in a straight line by rotationally pressing the upper and lower reinforcing bar supplied through the reinforcing guide means,
  • At least one of the plurality of rollers is provided with a cover member having a larger diameter than the roller so that an outer circumferential surface protrudes from the outer circumferential surface of the roller while covering the upper surface of the roller.
  • It may include an upper roller provided in the upper portion of the work table, a pair of lower rollers provided in the lower portion of the work table and spaced apart from each other.
  • the cover member may be provided on the lower roller.
  • the cover member has a disc shape and is in contact with an upper surface of the lower roller, and may be fixedly coupled to the lower roller to rotate together with the lower roller.
  • the lower roller may be installed on the worktable so as to be changeable in one direction by a position changing means.
  • the position changing means is the position changing means
  • a screw member extending in the same direction as the slot direction and installed below the work table rotatably by a handle;
  • a screw nut linearly moved in accordance with the rotation of the screw member
  • the lower roller may be rotatably coupled to an upper side of the fixing part.
  • Fixing nuts for fixing the rotation of the screw member may be fitted to the shaft on both sides of the screw nut.
  • the outer circumferential surface of the upper roller may be provided at equal intervals along the circumference, and the concave-convex portion having the concave portion and the convex portion alternately repeated may be provided.
  • the reinforcing bar guide means includes a pair of pillar parts spaced apart from each other and erected upward from the work table, and an extension part connecting both ends of the pillar part, and the pillar part and the extension part cooperate to form a passage space.
  • the rebar guide means may be further provided on the other side of the workbench in order to guide the position of the straightened rebar.
  • the rebar guide means for guiding the position of the reinforcing bar supplied on the workbench on which the rebar straightening is performed can be minimized from being separated in the process of straightening the rebar.
  • the rebar straightening processing apparatus is provided with a cover member having a large diameter on the upper side of the roller for performing the rebar straightening processing can minimize the departure from the process of straightening the rebar.
  • FIG. 1 is a perspective view of a rebar straightening processing apparatus of the present invention.
  • FIG. 2 is a plan view of FIG.
  • FIG. 3 is a sectional view taken along the line III-III of FIG. 2;
  • FIG. 4 is a cross-sectional view taken along line IV-IV of FIG. 2.
  • FIG. 5 is a view showing an operation of the rebar straightening processing apparatus of FIG.
  • the rebar straightening processing apparatus 100 which concerns on this invention is comprised including the work bench 110, the rebar guide means 120, and the roller means 130. As shown in FIG.
  • the work table 110 is a table on which rebar straightening is performed and includes a top plate 111 and a leg 112 for supporting the top plate 111 under the top plate 111.
  • the upper plate 111 is formed in the shape of a square plate extending in one direction and includes one side to which the reinforcing bars S are supplied and the other side to which the processed reinforcing bars S are discharged.
  • a pair of slots 111a extending in the vertical direction in the center of the upper plate 111 is provided, and the slot 111a is configured to penetrate the upper and lower surfaces of the upper plate 111.
  • the reinforcing bar guide means 120 is provided on one side to which the reinforcing bar S is supplied, is built up from the work table, and has a passage space 123 through which the reinforcing bar S supplied can pass.
  • the reinforcing bar guide means 120 performs a function of guiding the path of the reinforcement (S) so that the supplied reinforcement (S) can enter the roller means 130 without being separated from the roller means (130).
  • the reinforcing bar guide means 120 includes a pair of pillar portions 121 which are erected upwards from the work table, and an extension portion 122 connecting the upper ends of the pillar portions 121 to have a " ⁇ " shape. Have At this time, the pillar part 121 and the extension part 122 cooperate with each other to provide a passage space 123. As the rebar S is configured to pass through the passage space 123, the rebar S does not escape the path. Do not
  • the reinforcing bar guide means 120 is provided not only on one side where the reinforcing bars S are supplied, but also on the other side of the work bench 110 where the reinforcing bars S are straightened and discharged.
  • the roller means 130 is provided in the center of the work table 110, and up and down (rear side one side of the work table, the other side of the work table) of the reinforcing bar (S) supplied through the reinforcing bar guide means 120 It is molded so as to unfold in a straight form by rotational pressing.
  • the roller means 130 is the upper roller means 140 is disposed on the upper side (part of the work table close to the side) of the rebar S passing through the work table, and the lower side of the reinforcing bars (S) close to the other side of the work table It consists of a lower roller means 150 disposed in the).
  • the upper roller means 140 includes an upper roller 141, a first shaft 142, a first bearing 143, and an end plate 144.
  • the upper roller 141 is formed in a substantially disk shape and the first roller groove 1411 is formed in the circumferential direction along the circumference of the outer peripheral surface is provided.
  • the reinforcement S is pressed against the first roller groove 1411 while the reinforcing bars S are in contact with each other.
  • the upper roller 141 is provided with an uneven portion 1412 is installed at equal intervals along the circumference and the concave portion and the convex portion is alternately repeated.
  • the uneven portion 1412 to increase the contact force with the reinforcement (S) to ensure that the reinforcement (S) can be pressed firmly without being pushed.
  • a lower portion of the upper roller 141 is provided with a first shaft 142 fixedly coupled to the upper roller 141 and rotatable together with the upper roller 141.
  • the upper roller 141 and the first shaft 142 is coupled by a bolt.
  • a first bearing 143 that is fixed to a workbench while surrounding the first shaft 142 is provided around the first shaft 142.
  • the first bearing 143 allows the first shaft 142 to slide.
  • An end plate 144 is provided on the bottom surface of the first shaft 142 to prevent the first shaft 142 from being separated upward from the first bearing 143.
  • the end plate 144 is installed to face the lower end of the first bearing 143 while having an outer diameter larger than the lower surface of the first shaft 142, thereby preventing the first shaft 142 from being separated. .
  • the lower roller means 150 includes a lower roller 151, a cover member 152, a shaft 153, and a position changing means 154.
  • the lower roller 151 is formed in a substantially disk shape and is provided along the outer circumferential surface of the second roller groove 1511 to which the reinforcing bars S contact.
  • the lower roller 151 is provided on the lower side of the work table, and the pair is spaced apart from each other.
  • the upper roller 141 is disposed at a position directly above the central position of the pair of lower rollers 151.
  • the cover member 152 is to cover the upper surface of the lower roller 151, the edge surface protrudes outward than the edge surface of the lower roller 151, is configured to contact the upper surface of the lower roller 151 It has a roughly disc shape.
  • the diameter of the cover member 152 is greater than the diameter of the lower roller 151 so that the rebar S passing through the second roller groove 1511 of the lower roller 151 is separated from the lower roller 151 and upwards. It will prevent you from escaping.
  • the cover member 152 and the lower roller 151 are fixedly coupled to each other so that the cover member 152 also rotates together with the lower roller 151.
  • a second bearing 155 is provided in the lower roller 151 to facilitate rotation of the lower roller 151, and a shaft member 156 is provided at the center portion of the second bearing 155. .
  • the shaft 153 is disposed below the lower roller 151 and rotates together with the lower roller 151.
  • the shaft 153 is provided with a cylindrical space therein.
  • the position changing means 154 for adjusting the distance between the upper roller 141 is to vary the degree of compression in accordance with the bending angle of the bent reinforcement (S).
  • the position changing means 154 may allow the operator to look at the bending degree of the roller and select an appropriate position before performing the straightening process.
  • the position changing means 154 includes a slot 111a, a screw member 1541, a screw nut 1542, a fixing portion 1543, and a fixing nut 1544.
  • the slot 111a extends upwardly on the work table and is provided with a pair.
  • the screw member 1541 is provided below the upper plate 111 of the work table, and is provided with a handle 1541a at one end thereof and extends from the handle 1541a in the same direction as the slot 111a direction.
  • a screw thread is provided on the outer circumferential surface of the screw member 1541.
  • the screw member 1541 is rotatably supported by supporting means installed under the upper plate 111.
  • the screw nut 1542 is screwed to the screw member 1541 and is linearly movable in accordance with the rotation of the screw.
  • the fixing part 1543 is coupled to the screw nut 1542 by welding so as to be linearly movable with the screw nut 1542.
  • the fixing part 1543 is inserted into the cylindrical space of the shaft 153, and when the screw nut 1542 moves linearly, the shaft 153 moves linearly together.
  • the fixing nut 1544 is provided at both sides of the screw nut 1542 and is used to fix the rotation of the screw nut 1542. That is, when the position of the lower roller 151 is determined, the fixing nut 1544 is fixed to both sides of the screw nut 1542 in order to fix the position of the lower roller 151 so that the screw nut 1542 ) To prevent movement. Specifically, the fixing nut 1544 is disposed on both sides of the screw nut 1542 with the screw nut 1542 therebetween and is screwed to the screw member 1541.
  • the fixing nut 1544 is removed and spaced apart from the screw nut 1542, and after the position change of the lower roller 151 is completed, the screw nut 1542 is completed. By fastening the position of the lower roller 151 is fixed.
  • the rebar straightening processing apparatus 100 of this invention is demonstrated in detail, referring an accompanying drawing.
  • the rebar straightening processing apparatus 100 of the present invention is used to straighten the reinforcing bars S wound in a coil form.
  • the rebar S bent in the rebar straightening processing apparatus 100 When the rebar S bent in the rebar straightening processing apparatus 100 is supplied from one side of the work table, the rebar S passes through the passage space 123 provided in the rebar guide means 120. After passing through the lower roller 151 and passing through the upper roller 141, the reinforcement (S) is pressed, and the lower roller (151) passes through the reinforcement (S) again and firmly presses the reinforcement (S). As the reinforcing bars (S) can be straightened.
  • the straightened rebar S is configured to be discharged while passing through the rebar guide means 120 provided on the other side of the workbench.
  • the position of the lower roller 151 is changed. That is, the amount of pressing can be adjusted by adjusting the interval between the lower roller 151 and the upper roller 141.
  • the fixing nut 1544 is released and spaced apart from the screw nut 1542, and afterwards, by rotating the screw member 1541 by rotating the handle, screwing the screw member 1541 Screw nut 1542 is moved linearly.
  • the fixing part 1543 coupled with the screw nut 1542 also moves linearly, and the shaft 153 and the lower roller 151 surrounding the fixing part 1543 are also generally linear. Will be moved to.
  • the screw nut 1542 is prevented from linearly moving by fastening the fixing nut 1544 to both sides of the screw nut 1542 respectively.
  • Rebar straightening processing apparatus has the following advantages.
  • the rebar straightening processing apparatus is provided with a reinforcing bar guide means on the workbench can be prevented from being separated from the roller in the process of straightening the bent reinforcing bar is coiled.
  • the position of the lower roller can be moved variably, and by implementing a position movement and fixing in a simple structure there is an advantage that can easily adjust the rotational pressure force.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Abstract

La présente invention concerne un appareil de redressement de barre de renforcement et, plus particulièrement, un appareil de redressement de barre de renforcement destiné à redresser une barre de renforcement pliée en l'étirant, l'appareil comprenant : une table de travail ; des moyens de guidage de barre de renforcement disposés respectivement sur un côté et l'autre côté de la table de travail, et ayant un espace de passage à travers lequel peut passer la barre de renforcement érigée et fournie par la table de travail ; et une pluralité de rouleaux disposés entre les moyens de guidage de barre de renforcement, qui font tourner la barre de renforcement fournie à travers le moyen de guidage de barre de renforcement et exercent une pression sur cette dernière depuis ses côtés supérieur et inférieur, ce qui confère à la barre de renforcement une forme droite en l'étirant. Au moins l'un de la pluralité de rouleaux comporte un élément de carter recouvrant la surface supérieure du rouleau, et ayant un diamètre plus grand que le rouleau de telle sorte que la surface périphérique externe de l'élément de carter dépasse au-delà de la surface périphérique externe du rouleau.
PCT/KR2018/004138 2017-04-19 2018-04-09 Appareil de redressement de barre de renforcement WO2018194304A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0050564 2017-04-19
KR1020170050564A KR20180117443A (ko) 2017-04-19 2017-04-19 철근 직선화 가공장치

Publications (1)

Publication Number Publication Date
WO2018194304A1 true WO2018194304A1 (fr) 2018-10-25

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Application Number Title Priority Date Filing Date
PCT/KR2018/004138 WO2018194304A1 (fr) 2017-04-19 2018-04-09 Appareil de redressement de barre de renforcement

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KR (1) KR20180117443A (fr)
WO (1) WO2018194304A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102659931B1 (ko) * 2023-10-27 2024-04-24 이노머신 주식회사 코일철근 가공용 철근 이송장치
KR102659933B1 (ko) * 2023-10-27 2024-04-24 이노머신 주식회사 코일철근 교정 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09226419A (ja) * 1996-02-27 1997-09-02 Hitachi Cable Ltd 絶縁トロリー線曲げ加工装置
KR20100000118U (ko) * 2008-06-26 2010-01-06 주식회사 현대미포조선 직관 성형장치
KR20130103951A (ko) * 2012-03-12 2013-09-25 한보교 스파이럴 파이프 진직도 교정장치
KR200476507Y1 (ko) * 2013-09-23 2015-03-05 주식회사 현대미포조선 파이프 교정장치
KR101632422B1 (ko) * 2014-12-12 2016-06-21 주식회사 탑스코 슬라이드레일 절곡각도 복원장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09226419A (ja) * 1996-02-27 1997-09-02 Hitachi Cable Ltd 絶縁トロリー線曲げ加工装置
KR20100000118U (ko) * 2008-06-26 2010-01-06 주식회사 현대미포조선 직관 성형장치
KR20130103951A (ko) * 2012-03-12 2013-09-25 한보교 스파이럴 파이프 진직도 교정장치
KR200476507Y1 (ko) * 2013-09-23 2015-03-05 주식회사 현대미포조선 파이프 교정장치
KR101632422B1 (ko) * 2014-12-12 2016-06-21 주식회사 탑스코 슬라이드레일 절곡각도 복원장치

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