EP3466560B1 - Appareil de formage par forgeage à froid ayant une fonction de redirection d'un objet façonné - Google Patents

Appareil de formage par forgeage à froid ayant une fonction de redirection d'un objet façonné Download PDF

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Publication number
EP3466560B1
EP3466560B1 EP17803060.7A EP17803060A EP3466560B1 EP 3466560 B1 EP3466560 B1 EP 3466560B1 EP 17803060 A EP17803060 A EP 17803060A EP 3466560 B1 EP3466560 B1 EP 3466560B1
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EP
European Patent Office
Prior art keywords
shaped object
guide
mold
punch
cold forging
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP17803060.7A
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German (de)
English (en)
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EP3466560A1 (fr
EP3466560A4 (fr
Inventor
Jong Won Choi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dae Han Corp Co Ltd
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Dae Han Corp Co Ltd
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Publication date
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Publication of EP3466560A1 publication Critical patent/EP3466560A1/fr
Publication of EP3466560A4 publication Critical patent/EP3466560A4/fr
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Publication of EP3466560B1 publication Critical patent/EP3466560B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/10—Manipulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/10—Manipulators
    • B21J13/12—Turning means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/14—Ejecting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/022—Special design or construction multi-stage forging presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
    • B21K27/02—Feeding devices for rods, wire, or strips
    • B21K27/04—Feeding devices for rods, wire, or strips allowing successive working steps

Definitions

  • the present invention relates to a cold forging former apparatus with a redirecting function of a shaped object and, more particularly, to a cold forging former apparatus with a redirecting function of a shaped object, the apparatus being able to reduce working processes and increase productivity efficiency by quickly vertically erecting a horizontally laid shaped object.
  • forging is a process that makes a solid metallic material in a predetermined shape using a mechanical method such as striking or pressing. Forging is classified into hot forging that is performed at a temperature over a recrystallization temperature of a material, warm forging that is performed at the recrystallization temperature, and cold forging that is performed under the recrystallization temperature.
  • cold forging is used for various industrial machines due to high productivity, and particularly, it is an important process that is necessary in the automotive industry.
  • metal flow occurs on the outer shape of a forged product and a fibrous structure is formed, so strength and durability are high and a loss of material is low. In most cases, the loss is 10% or less of the weight of the material, so the manufacturing cost is low in comparison to the product. Further, mass production is performed by pressing, so productivity is high and products with high precision can be produced in a great quantity. Accordingly, equipment called a former is used in most processes.
  • Document US 5 657 663 A discloses a cold forging former apparatus with a redirecting function of a shaped object, the cold forging former apparatus comprising a main mold part including a first guide for receiving a horizontally laid shaped object, an ejector pin, a second guide, and a punch mold part having a punch pin.
  • the shaped object is redirected using a rotation unit comprising, a unit case containing a pair of rotation bodies rotatable around a horizontal axis which is vertical to the driving direction of the punch. Holding plates are supported so as to face the rotation bodies.
  • the shaped object having a ball-like head is thrusted by the punch into a space between the holding plates while keeping its horizontal position.
  • gears On the peripheral faces of the rotation bodies are provided gears, which are engaged with racks.
  • the holding plates are reciprocatorily rotated by 90 degrees as the rotation bodies are rotated.
  • the shaped object having been driven into the space between the holding plates is shifted from the horizontal position to the vertical position.
  • Patent Document 1 Korean Patent Application Publication No. 10-2008-0089700
  • the present invention has been made in an effort to solve the problems and an object of the present invention is to provide a cold forging former apparatus with a redirecting function, the apparatus being able to quickly vertically erect a horizontally laid shaped object.
  • the present invention provides a cold forging former apparatus with a redirecting function of a shaped object according to claim 1.
  • the main mold part may include a mold frame fixed in a mold inlet by a mold frame fixing portion, the mold frame may include a first mold, a second mold, the ejector pin, and a third mold, and the first guide, the second guide, and the guide slope may be formed inside the first mold.
  • the punch mold may include a punch mold fixed in a punch mold inlet by a punch mold fixing portion, and the punch pin, and the shaped object may be moved through the first guide by horizontal movement of the punch pin and a shaped object bottom may be moved along the guide slope.
  • the ejector pin may include a knock plate, a knock base, a support, and a connecting rod, and the connecting rod may allow the ejector pin to be operated left and right through connecting holes.
  • An ejector pin top of the ejector pin and a shaped object side may be formed in the same shape, and the shaped object may be placed and moved on the support.
  • An extending guide groove extending the second guide is formed on the main mold part, and the length of the shaped object may be larger than the sum of the lengths of the first guide and the second guide.
  • a cold forging former apparatus with a redirecting function of a shaped object of the present invention includes: a main mold part including a first guide, a guide slope, an ejector pin, and a second guide; and a punch mold part having a punch pin. While a shaped object is put into the main mold part horizontally through the first guide by the punch pin and is then vertically erected by sliding on the guide slope, the ejector pin starts to move toward a vertical inlet/outlet portion, places the shaped object on a support and an ejector pin top, and guides the shaped object to the vertical inlet/outlet portion.
  • the cold forging former apparatus with a redirecting function of a shaped object redirects a horizontally laid shaped object to quickly vertically erect the shaped object. Therefore, the manufacturing time is considerably reduced, so productivity is improved and the manufacturing cost is decreased.
  • the term 'shaped object' means an object that is manufactured by a cold forging former equipment.
  • the shaped object may have a column shape with a round top or may have a bar shape, that is, it may have various shapes.
  • the term 'width of a shaped object' means the narrow portion of the shaped object and the term 'length of a shaped object' means the long portion of the shaped object.
  • the direction parallel with the ground is defined as a 'horizontal direction' and the direction perpendicular to the ground is defined as a 'vertical direction', but even if a shaped object is slightly inclined due to the slope of a floor on which the shaped object is placed, it may be considered as the horizontal direction, and even if the shaped object is slightly inclined from the vertical direction, it may be considered as the vertical direction.
  • a redirecting mold 20 includes: a mold frame 300 including a first guide 312, a guide slope 313, an ejector pin 330, and a second guide 315; a main mold part 100 fixing the mold frame 300; a punch mold 400 including a punch pin 410; and a punch mold part 200 fixing the punch mold 400.
  • FIG. 1 is a perspective view showing the entire configuration of a molding apparatus having a redirecting mold according to the first embodiment of the present invention.
  • a molding apparatus 10 includes the main mold part 100 on which the redirecting mold 20 is disposed, and the punch mold part 200 on which the punch mold 400 is disposed.
  • the main mold part 100 is disposed in any one of a mold set and includes the mold frame 300 vertically erecting a horizontally laid shaped object 500.
  • the mold set 1 is divided into a process A of machining a horizontally laid shaped object and a process B of machining a vertically erected shaped object when a worker machines a shaped object 500 in a desired shape.
  • the redirecting mold 20 may be disposed to follow a process order by a worker or may be disposed for a single process in the molding apparatus 10.
  • a punch mold set 2 includes the punch mold part 200 helping a horizontally laid shaped object 50 enter the mold set 1.
  • FIG. 2 is a perspective view showing the entire configuration of an apparatus being able to redirect a shaped object according to the first embodiment of the present invention.
  • the mold includes the mold frame 300 being able to change the shaped object 500 from the horizontal direction to the vertical direction, the main mold part 100 fixing the mold frame 300, and the punch mold part 200 on which the punch pin 410 is disposed.
  • the mold frame 300 is designed to be fixed in a mold inlet 110 of the main mold part 100 by a mold frame fixing portion 360 and includes a first mold 310, a second mold 320, an ejector pin 330, and a third mold 340.
  • the shaped object 500 is put into the mold frame 300, is horizontally laid, is vertically redirected, and is then discharged out of the mold frame 300.
  • the punch mold 400 is designed to be fixed in a punch mold inlet 210 of the punch mold part 200 by a punch mold fixing portion 420 and includes a punch pin 410 that pushes the shaped object 500 into the mold frame 300.
  • FIG. 3 is a perspective view showing in detail the apparatus being able to redirect a shaped object according to the first embodiment of the present invention.
  • the mold frame 300 includes the first mold 310 in which the shaped object 500 is put through a vertical inlet/outlet portion 314, the second mold 320 in which the ejector pin 330 is moved through an ejector fixing portion 321, and the third mold 340 in which a connecting rod 334 of the ejector pin 330 moves the ejector pin 300 to the left and right through a connecting hole 341.
  • the first mold 310 is disposed in the mold frame 300 and has the first guide 312, the second guide 315, and the guide slope 313.
  • the first guide 312 is a space disposed at a side of the upper portion of the first mold 310 and is a passage through which the horizontally laid shaped object 500 is put inside.
  • the second guide 315 is a space disposed at a side of the lower portion of the first mold 310 and is a passage for discharging the vertically erected shaped object 500 through the vertical inlet/outlet portion 314.
  • the vertical inlet/outlet portion 314 is an inlet/outlet portion that is disposed at a side of a first mold front 311 and through which the shaped object 500 horizontally put inside is vertically erected and then discharged.
  • the ejector pint 330 includes a knock plate 331, a knock base 332, a support 333, and the connecting rod 334.
  • the ejector pint 330 is disposed inside the second mold 320 and helps the shaped object 500, which slides on the guide slope 313 by moving left and right through the ejector fixing portion 321, be vertically erected.
  • the knock plate 331 is disposed lengthwise with respect to the ejector fixing portion 321 and a side of the knock plate 331 and the knock base 332 are connected to be moved left and right in the ejector fixing portion 321.
  • An ejector pin top 335 is disposed at a side of the knock plate 331 and may be designed in the same shape as that of a shaped object side 550.
  • the support 333 is disposed at the lower end of the ejector pin top 335 and is designed to support a shaped object bottom 540.
  • the third mold 340 is disposed inside the mold frame 300 and has a plurality of connecting holes 341 allowing the connecting rod 334 of the ejector pin 330 to move left and right.
  • the connecting rod 334 of the ejector pin 330 is moved left and right through the connecting holes 341.
  • FIG. 4 is a vertical cross-sectional view showing in detail the apparatus being able to redirect a shaped object according to the first embodiment of the present invention.
  • the guide slope 313 is disposed inside the first mold 310 and is a passage that allows the horizontally laid shaped object 500 to be put inside through the first guide 312 by the punch pin 410 and allows the shaped object bottom 540 to slide on the guide slope 313 such that the shaped object is vertically erected.
  • FIG. 5 is a perspective view enlarging a vertical inlet/outlet portion of the apparatus being able to redirect a shaped object shown in FIG. 4 .
  • the first mold 310 has the first guide 312 in which the horizontally laid shaped object 500 is put inside, the guide slope 313 allowing the shaped object bottom 540 horizontally laid to vertically slide, and the vertical inlet/outlet portion 314 through which the vertically erected shaped object 500 is discharged through the first guide 312 and the second guide 315 by the ejector pin top 335.
  • the operation order of the redirecting mold 20 in the cold forging former apparatus with a redirecting function of a shaped object of the present invention is described hereafter with reference to FIGS. 6 to 9 .
  • a horizontally laid shaped object 500 is delivered to the redirecting mold 20 by tongs 600 attached to the molding apparatus 10.
  • the horizontally laid shaped object 500 is positioned at the vertical inlet/outlet portion 314 of the first mold front 311 and the shaped object top 530 is pressed by the punch pin 410, whereby the shaped object is moved along the first guide 312 through the vertical inlet/outlet portion 314.
  • the moved shaped object 500 is moved by horizontal movement of the punch pin 410, so the shaped object bottom 540 comes in contact with the guide slope 313.
  • the shaped object bottom 540 slides on the guide slope 313, and in this process, the ejector pint 330 disposed inside the ejector fixing portion 321 horizontally moves toward the vertical inlet/outlet portion 314.
  • the shaped object 500 erected by the guide slope 313 is completely vertically erected by the ejector pin 330 and then placed on the support 333 and the ejector pint 330 is moved toward the vertical inlet/outlet portion 314, thereby discharging the shaped object 500.
  • the discharged shape object 500 is moved to the next process by the tongs 600.
  • an extending guide groove 120 is formed at the lower end of the mold inlet 110 of the main mold part 100, as shown in FIG. 1 , so that a shaped object 500 can be smoothly redirected even if the shaped object 500 is longer than the sum of the lengths of the first guide 312 and the second guide 315.
  • the extending guide 120 is supposed to be formed deeper than the value obtained by subtracting the sum of the lengths of the first guide 312 and the second guide 315 from the length of the shaped object 500. Accordingly, a horizontally laid shaped object 500 can be vertically erected using the guide slope 313 and the extending guide groove 120. Further, when the erected shaped object 500 is completely vertically erected by the ejector pint 330 and is then placed on the support 333, the elector pin 330 moves toward the vertical inlet/outlet portion 314 and discharges the shaped object 500 without a problem.
  • the length of the ejector pin 330 is obviously increased in consideration of the depth of the extending guide groove 120.
  • a redirecting mold 20 includes: a mold frame 300 including a first guide 312, a guide slope 313, an ejector pin 330, and a second guide 315; a main mold part 100 fixing the mold frame 300; a punch mold 400 including a punch pin 410; a punch mold part 200 fixing the punch mold 400; and an extending guide groove 120 that is formed when the length of a shaped object 500 the same as or larger than the sum of the lengths of the first guide 312 and the second guide 315.
  • the components of the redirection mold 20 according to the second embodiment of the present invention are arranged in the same manner as that of the components shown in the vertical cross-sectional view of the apparatus being able to redirect a shaped object of FIG. 4 according to the first embodiment of the present invention, and the redirection mold 20 of the second embodiment has the same operation order as the operation of the redirecting mold 20 of FIGS. 6 to 9 according to the first embodiment of the present invention. Accordingly, the components and the operation order of the redirecting mold 20 according to the second embodiment of the present invention are not described in detail.
  • FIG. 10 is a vertical cross-sectional view showing in detail an apparatus being able to redirect a shaped object according to the second embodiment of the present invention.
  • the knock plate 331 is designed in the same shape as the shaped object side 550 and is designed such that the length thereof is the same as or larger than the length of the shaped object.
  • the extending guide groove 120 is designed on the main mold part 100 to extend the second guide 315 and the depth of the extending guide groove 120 is designed to be the same as or larger than the length of the shaped object 500. Accordingly, the shaped object 500 is vertically erected and then discharged through the vertical inlet/outlet portion 314.
  • first and second embodiments of a cold forging former apparatus with a redirecting function of a shaped object are only examples and it would be understood by those skilled in the art that the various modified and equivalent embodiments can be achieved from the first and second embodiments. Accordingly, it would be understood that the present invention is not limited to the configurations stated in the specification. Therefore, the technical protective region of the present invention should be determined by the scope described in the appended claims.
  • Mold set 2 Punch mold set 10: Molding apparatus 20: Redirecting mold 100: Main mold part 110: Mold inlet 120: Extending guide groove 200: Punch mold part 210: Punch mold inlet 300: Mold frame 310: First mold 311: First mold front 312: First guide 313: Guide slope 314: Vertical inlet/outlet portion 315: Second guide 320: Second mold 321: Ejector fixing portion 322: Ejector inlet/outlet portion 330: Ejector pin (KO PIN) 331: Knock plate 332: Knock base 333: Support 334: Connecting rod 335: Ejector pin top 340: Third mold 341: Connecting hole 350: Mold frame inlet 360: Mold frame fixing portion 400: Punch mold 410: Punch pin 420: Punch mold fixing portion 500: Shaped object 510: Shaped object head 520: Shaped object shank 530: Shaped object top 540: Shaped object bottom 550: Shaped object side 600: Tongs A: Process of horizontally laid shaped object B: Process of vertical

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Claims (6)

  1. Appareil de formage par forgeage à froid ayant une fonction de redirection d'un objet façonné (500), l'appareil de formage par forgeage à froid comprenant :
    une partie moule principal (100) incluant un premier guide (312) pour recevoir un objet façonné disposé horizontalement (500), une pente de guidage (313) pour recevoir l'objet façonné disposé horizontalement (500) à partir du premier guide (312), la pente de guidage (313) étant configurée pour rediriger l'objet façonné disposé horizontalement (500) vers une position verticale, une broche d'éjection (330), et un deuxième guide (315) pour décharger l'objet façonné disposé verticalement (500) ; et
    une partie moule à poinçon (200) ayant une broche de poinçon (410),
    dans lequel, à l'usage, l'objet façonné disposé horizontalement (500) est poussé dans la partie moule principal (100) au travers du premier guide (312) par la broche de poinçon (410), l'objet façonné (500) étant ainsi érigé verticalement par coulissement sur la pente de guidage (313), et par déplacement ultérieur de la broche d'éjection (330) vers l'objet façonné (500) afin de faciliter un déchargement de l'objet façonné (500) simultanément par le biais du premier guide (312) et du deuxième guide (315).
  2. Appareil de formage par forgeage à froid selon la revendication 1, dans lequel la partie moule principal (100) inclut un cadre de moule (300) fixé dans une entrée de moule (110) par une portion de fixation de cadre de moule (360),
    le cadre de moule (300) inclut un premier moule (310), un deuxième moule (320), la broche d'éjection (330) et un troisième moule (340), et
    le premier guide (312), le deuxième guide (315) et la pente de guidage (313) sont formés à l'intérieur du premier moule (310).
  3. Appareil de formage par forgeage à froid selon la revendication 1, dans lequel la partie moule à poinçon (200) inclut un moule à poinçon (400) fixé dans une entrée de moule à poinçon (210) par une portion de fixation de moule à poinçon (420), et la broche de poinçon (410), et
    l'objet façonné (500) est déplacé au travers du premier guide (312) par un mouvement horizontal de la broche de poinçon (410) et un fond d'objet façonné (540) est déplacé le long de la pente de guidage (313), l'objet façonné étant ainsi redirigé.
  4. Appareil de formage par forgeage à froid selon l'une quelconque des revendications 1 et 2, dans lequel la broche d'éjection (330) inclut une plaque de cognement (331), une base de cognement (332), un support (333) et une tige de connexion (334), et
    la tige de connexion (334) permet à la broche d'éjection (330) d'être opérée au travers de trous de connexion (341).
  5. Appareil de formage par forgeage à froid selon la revendication 4, dans lequel, à l'usage, un haut de broche d'éjection (335) de la broche d'éjection (330) et un côté d'objet façonné (550) sont formés en la même forme, et l'objet façonné (500) est placé et déplacé sur le support (333).
  6. Appareil de formage par forgeage à froid selon l'une quelconque des revendications 1 à 3, dans lequel une rainure de guidage d'extension (120) s'étendant longitudinalement vers le bas à partir du deuxième guide (315) est formée sur la partie moule principal (100), et, à l'usage,
    une longueur de l'objet façonné (500) est plus grande que la somme de longueurs longitudinales du premier guide (312) et du deuxième guide (315).
EP17803060.7A 2016-05-26 2017-05-24 Appareil de formage par forgeage à froid ayant une fonction de redirection d'un objet façonné Active EP3466560B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160064849A KR101712957B1 (ko) 2016-05-26 2016-05-26 형상물의 방향전환 기능을 구비한 냉간단조포머장치
PCT/KR2017/005373 WO2017204541A1 (fr) 2016-05-26 2017-05-24 Appareil de formage par forgeage à froid ayant une fonction de redirection d'un objet façonné

Publications (3)

Publication Number Publication Date
EP3466560A1 EP3466560A1 (fr) 2019-04-10
EP3466560A4 EP3466560A4 (fr) 2020-02-26
EP3466560B1 true EP3466560B1 (fr) 2021-06-30

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EP (1) EP3466560B1 (fr)
JP (1) JP6599045B2 (fr)
KR (1) KR101712957B1 (fr)
CN (1) CN109070186B (fr)
WO (1) WO2017204541A1 (fr)

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CN116117054B (zh) * 2022-11-18 2024-01-30 江苏倍嘉力机械科技有限公司 一种汽车铝合金配件锻造装置

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JP3156506B2 (ja) * 1994-07-12 2001-04-16 日産自動車株式会社 鍛造品の反転移送方法及び同方法に使用する鍛造金型並びにプレス機械
US5657663A (en) * 1995-05-16 1997-08-19 Kabushiki Kaisha Sakamura Kikai Seisakusho Multi-stage forging apparatus
JPH10118741A (ja) * 1996-10-14 1998-05-12 Nippon Koshuha Steel Co Ltd スクロール鍛造用金型
JP3968231B2 (ja) * 2001-10-30 2007-08-29 ナミテイ株式会社 パーツフォーマの異形部材供給機構
KR200355041Y1 (ko) * 2004-03-29 2004-07-02 이종석 냉간단조용 가성형 장치
JP4639954B2 (ja) * 2005-05-25 2011-02-23 日産自動車株式会社 多工程鍛造装置及び多工程鍛造方法
KR20080089700A (ko) 2007-04-02 2008-10-08 이종균 파이프 냉간단조 가공방법
KR101239422B1 (ko) * 2011-02-10 2013-03-06 주식회사 풍산 단조를 이용한 스크롤 제조방법 및 그 장치
KR101508174B1 (ko) * 2013-09-03 2015-04-07 주식회사 동산공업 열간 단조 금형의 소재 공급장치
CN104174802B (zh) * 2014-07-23 2016-02-10 黄山盛锐重工机械有限公司 冷镦机
CN104555380A (zh) * 2015-01-06 2015-04-29 山东高强紧固件有限公司 一种大型螺栓整理装框转运装置
CN104942205B (zh) * 2015-06-23 2017-01-18 宁波君豪自动化设备有限公司 一种全自动热镦机的移料机构

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Publication number Publication date
CN109070186A (zh) 2018-12-21
CN109070186B (zh) 2020-03-31
WO2017204541A1 (fr) 2017-11-30
KR101712957B1 (ko) 2017-03-22
JP6599045B2 (ja) 2019-10-30
EP3466560A1 (fr) 2019-04-10
EP3466560A4 (fr) 2020-02-26
JP2019511369A (ja) 2019-04-25

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