WO2017025029A1 - Procédé de réalisation de forgeage de flan de forgeage sans rognage - Google Patents

Procédé de réalisation de forgeage de flan de forgeage sans rognage Download PDF

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Publication number
WO2017025029A1
WO2017025029A1 PCT/CN2016/094328 CN2016094328W WO2017025029A1 WO 2017025029 A1 WO2017025029 A1 WO 2017025029A1 CN 2016094328 W CN2016094328 W CN 2016094328W WO 2017025029 A1 WO2017025029 A1 WO 2017025029A1
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WO
WIPO (PCT)
Prior art keywords
forging
blank
wedge
hydraulic cylinder
slider
Prior art date
Application number
PCT/CN2016/094328
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English (en)
Chinese (zh)
Inventor
曹立新
黄永刚
曹坤
吴忠太
Original Assignee
曹立新
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 曹立新 filed Critical 曹立新
Publication of WO2017025029A1 publication Critical patent/WO2017025029A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
    • 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
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/06—Swaging presses; Upsetting presses

Definitions

  • the invention relates to a forging process for forging a blank, in particular to a method for forging a forged blank to achieve no flash forging.
  • the present invention proposes a method for forging blanks without flashing forging.
  • the technical scheme of the invention is: a method for realizing no forging forging of a forged blank, characterized in that: special forging equipment and special forging mold are adopted;
  • the structure of the special forging equipment includes: a left column, a right column, an upper beam, a lower beam, a slider, a main hydraulic cylinder, a lower top hydraulic cylinder, a left column, a right column, an upper beam, and a lower beam to form a frame, and a slider
  • the guide cylinder is guided on the left column and the right column, the main hydraulic cylinder is mounted on the upper beam, the main hydraulic cylinder drives the slider; the lower top hydraulic cylinder is installed under the lower beam; the left column and the right column are respectively mounted with the left electric motor
  • the screw mechanism and the right electric screw mechanism; the left electric screw mechanism and the right electric screw mechanism have the same structure.
  • the specific structure is: two motors pass the first gear to transmit the power to the flywheel, and the flywheel transmits the power to the spiral pair. The power is transmitted to the slider by the screw pair to realize the power output;
  • the upper part of the slider is respectively provided with a left fixed wedge and a right fixed wedge; the lower part of the upper beam is provided with a wedge clamping mechanism, and the wedge clamping mechanism comprises a left wedge clamping mechanism and a right wedge clamping mechanism, left
  • the wedge clamping mechanism consists of a small hydraulic cylinder on the left side and a left movable wedge.
  • the left small hydraulic cylinder drives the left movable wedge.
  • the right wedge clamping mechanism consists of a right small hydraulic cylinder and a right movable wedge.
  • the small hydraulic cylinder drives the right movable wedge; the upper end surface of the left movable wedge and the upper end surface of the right movable wedge respectively slidably cooperate with the lower end surface of the upper beam;
  • the wedge clamping mechanism locks the slider to overcome the tension generated during forging; the left electric screw mechanism and the right electric screw mechanism realize rapid extrusion forging in the lateral direction;
  • the heated blank is placed in the lower mold, and the special forging equipment slider drives the upper mold to move quickly and the lower mold to close under the vertical downward force of the main hydraulic cylinder.
  • the wedge is closed.
  • the clamping mechanism forms a clamping mold of the upper and lower molds;
  • the electric screw mechanism disposed laterally on the special forging press rapidly pushes the extruded mandrel to extrude the blank, so that the blank fills the cavity, and the blank without the flash is obtained;
  • the electric screw mechanism drives the pressing mandrel to return to position; further, the wedge clamping mechanism of the special forging device returns to the position; finally, the slider returns to the position, and the blank without the flash is ejected through the topping mechanism.
  • the invention has the beneficial effects that: because of the new blank forging process, the special forging equipment is used to close the mold first, and then the blank is formed into a blank without flash, which greatly reduces the forging step and saves a lot of raw materials.
  • the blank can be reduced by about 5%-20%, and the material cost can be saved by about 20%-40%.
  • FIG. 1 is a schematic view of a dedicated forging apparatus according to the present invention.
  • Figure 2 is a right side elevational view of a dedicated forging apparatus in accordance with the present invention.
  • Figure 3 is a block diagram showing an improvement of the gear blank of the present invention as a result of the modification of the process of the present invention.
  • Fig. 4 is a schematic view showing a parting surface of a gear blank of the present invention.
  • Figure 5 is a three-dimensional diagram of a gear blank forging die and blank of the present invention.
  • Fig. 6 is a three-dimensional diagram of a mold and a final forging after the forging of the gear blank is exemplified in the present invention.
  • the special forging equipment shown in FIG. 1 includes a left column 1, a right column 13, an upper beam 7, a lower beam 15, a slider 10, a main hydraulic cylinder 6, a lower top hydraulic cylinder 14, a left column 1, and a right column 13
  • the upper beam 7 and the lower beam 15 form a frame
  • the slider 10 is guided on the left column 1 and the right column 13 through the guide pair
  • the main hydraulic cylinder 6 is mounted on the upper beam 7, the main hydraulic pressure
  • the cylinder 6 drives the slider 10;
  • the lower top hydraulic cylinder 14 is mounted under the lower beam, and the left and right columns are respectively mounted with a left electric screw mechanism 2 and a right electric screw mechanism 12;
  • the upper surface of the slider is respectively provided with a left fixed wedge Block 5, right fixed wedge 9;
  • under the upper beam is provided with a wedge clamping mechanism, the wedge clamping mechanism comprises a left wedge clamping mechanism, a right wedge clamping mechanism, and the left wedge clamping mechanism is from the left side
  • the slider 10 When in use, the slider 10 is moved down into position, and the wedge clamping mechanism locks the slider to overcome the tension generated during forging; the left electric screw mechanism and the right electric screw mechanism realize rapid extrusion forging in the lateral direction.
  • the structure of the left electric screw mechanism and the right electric screw mechanism is the same, and the structure of the right electric screw mechanism is: the two motors 1204 transmit power to the flywheel through the first gear 1205. 1203, the power is transmitted to the screw pair 1201 by the flywheel 1203, and the power is transmitted to the slider 1202 by the screw pair 1201, thereby realizing the power output of the electric screw mechanism.
  • the lower top hydraulic cylinder can adjust the tilt angle according to different products.
  • the main function of the forging device shown in FIG. 1 is as follows: the slider can quickly close (or open) the mold vertically (or upward) under the power of the main hydraulic cylinder; close (or open) the mold After that, the two cylinders on the left and right columns respectively drive the wedge to engage (or exit) between the upper beam and the slider to realize mold locking (or unlocking); after locking (or unlocking) the mold, the left and right lateral movements
  • the two electric screw mechanism with active punch can perform rapid extrusion forging (or retraction); when the forging is required, the top material mechanism can adjust the tilt angle of the top rod according to different products.
  • the final forging die is divided into four parts, upper mold 24, lower mold 25, left extrusion punch 27, right extrusion punch 28, and in the upper mold, the lower There are two transverse pressing passages between the molds, and the left pressing punch 27 and the right pressing punch 28 are cooperatively disposed in the transverse pressing passage;
  • the left and right electric screw mechanisms quickly push the left pressing punch 27 (left pressing punch) According to the shape and size of the left inner blind hole structure of the gear blank) and the right extrusion punch 28 (the right extrusion punch is made according to the shape and size of the right inner blind hole structure of the gear blank), the blank is extruded, and the blank is extruded.
  • the inner blind hole structure simultaneously fills the blank into the cavity; then, the electric screw mechanism drives the two pressing punches back; then, the wedge clamping mechanism returns to the position; finally, the slider drives the upper die back, as shown in FIG. 6.
  • the non-flashing gear blank 29 is obtained, and the forging process is completed to realize the process of forging the gear blank without flash.
  • the weight of the 1700KW-512 gear blank produced by the original forging process is 20.5Kg, and the raw material is 22.7Kg.
  • the 1700KW-512 gear blank produced by the forging process invented by the invention is 17.3Kg, and the raw material used is also 17.3Kg; the new process and the old process are compared: the weight loss of the blank is 2.2Kg, the weight loss is 10.7%; the raw material is saved 5.4Kg, saving 23.8%.

Abstract

L'invention concerne un procédé de réalisation de forgeage d'un flan de forgeage sans rognage. Le procédé est caractérisé par l'utilisation d'un appareil de forgeage dédié et d'une matrice de forgeage dédiée. Le procédé comprend en particulier les étapes suivantes : tout d'abord, un flan chauffé est placé dans une matrice inférieure (25) ; lorsqu'une matrice supérieure et la matrice inférieure (24, 25) sont fermées ensemble, des mécanismes de serrage de matrice à coins serrent les matrices supérieure et inférieure (24, 25) ; après le serrage des matrices, des mécanismes à vis électriques (2, 12) disposés transversalement sur un appareil de forgeage dédié poussent rapidement des mandrins d'extrusion afin d'extruder le flan, de sorte que le flan remplisse une cavité de matrice pour obtenir un flan sans rognage ; puis, les mécanismes à vis électriques (2, 12) entraînent les mandrins d'extrusion dans le sens du retour, entraînant ainsi le retour des mécanisme de serrage de matrice à coins de l'appareil de forgeage dédié et enfin, un bloc coulissant (10) se déplace dans le sens du retour, entraînant l'éjection du flan sans rognage par un mécanisme d'éjection. Le processus de forgeage de flan utilise l'appareil de forgeage dédié, ferme les matrices, puis réalise une extrusion par choc pour former le flan sans rognage, réduisant ainsi considérablement les étapes de processus de forgeage et économisant également une grande quantité de matières premières.
PCT/CN2016/094328 2015-08-12 2016-08-10 Procédé de réalisation de forgeage de flan de forgeage sans rognage WO2017025029A1 (fr)

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Application Number Priority Date Filing Date Title
CN201510488795.XA CN105081163A (zh) 2015-08-12 2015-08-12 一种锻造毛坯实现无飞边锻造的方法
CN201510488795.X 2015-08-12

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WO2017025029A1 true WO2017025029A1 (fr) 2017-02-16

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CN108436011A (zh) * 2018-05-28 2018-08-24 温州三连汽车零部件有限公司 半闭式汽车变速箱齿轮锻压成型模具
CN108687291A (zh) * 2018-07-17 2018-10-23 江苏应流机械制造有限责任公司 一种用于球阀锻造加工的成型模具
CN109732026A (zh) * 2019-01-22 2019-05-10 武汉重工铸锻有限责任公司 用于局部模锻两端异形连杆的模具及用法
CN112642980A (zh) * 2020-12-28 2021-04-13 柳州市荆大汽车制动管制造有限公司 一种全自动冷镦头机
CN112846673A (zh) * 2021-03-18 2021-05-28 林自辉 一种金属件生产装置及工艺
CN113000768A (zh) * 2021-03-23 2021-06-22 郑州机械研究所有限公司 一种摆线液压马达联动轴冷精密成形装置及成形工艺
CN113751650A (zh) * 2021-09-09 2021-12-07 晋西铁路车辆有限责任公司 一种双向镦球锻造装置
CN114570868A (zh) * 2022-03-03 2022-06-03 佛山市三水凤铝铝业有限公司 一种型材用的挤压设备
CN115383029A (zh) * 2022-08-31 2022-11-25 中冶重工（唐山）有限公司 铁路机车钩舌锻件的多向模锻模具及其成形工艺

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CN105081163A (zh) * 2015-08-12 2015-11-25 曹立新 一种锻造毛坯实现无飞边锻造的方法
CN108672644B (zh) * 2018-05-04 2019-11-19 杭州前进锻造有限公司 工程机械变速箱高锻造比活塞座闭式精密锻造方法

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CN2925690Y (zh) * 2006-06-29 2007-07-25 上海保捷汽车零部件锻压有限公司 减小锻件错差的装置
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JP2012170987A (ja) * 2011-02-22 2012-09-10 Kuribayashi Seisakusho:Kk ベアリング内外輪分離装置およびベアリング製造方法
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CN108436011A (zh) * 2018-05-28 2018-08-24 温州三连汽车零部件有限公司 半闭式汽车变速箱齿轮锻压成型模具
CN108687291A (zh) * 2018-07-17 2018-10-23 江苏应流机械制造有限责任公司 一种用于球阀锻造加工的成型模具
CN108687291B (zh) * 2018-07-17 2023-12-19 江苏应流机械制造有限责任公司 一种用于球阀锻造加工的成型模具
CN109732026A (zh) * 2019-01-22 2019-05-10 武汉重工铸锻有限责任公司 用于局部模锻两端异形连杆的模具及用法
CN109732026B (zh) * 2019-01-22 2023-10-20 武汉重工铸锻有限责任公司 用于局部模锻两端异形连杆的模具及用法
CN112642980A (zh) * 2020-12-28 2021-04-13 柳州市荆大汽车制动管制造有限公司 一种全自动冷镦头机
CN112642980B (zh) * 2020-12-28 2022-07-05 柳州市荆大汽车制动管制造有限公司 一种全自动冷镦头机
CN112846673B (zh) * 2021-03-18 2023-05-23 江苏郎克斯智能工业科技有限公司 一种金属件生产装置及工艺
CN112846673A (zh) * 2021-03-18 2021-05-28 林自辉 一种金属件生产装置及工艺
CN113000768A (zh) * 2021-03-23 2021-06-22 郑州机械研究所有限公司 一种摆线液压马达联动轴冷精密成形装置及成形工艺
CN113000768B (zh) * 2021-03-23 2023-02-03 郑州机械研究所有限公司 一种摆线液压马达联动轴冷精密成形装置及成形工艺
CN113751650A (zh) * 2021-09-09 2021-12-07 晋西铁路车辆有限责任公司 一种双向镦球锻造装置
CN113751650B (zh) * 2021-09-09 2023-11-24 晋西铁路车辆有限责任公司 一种双向镦球锻造装置
CN114570868A (zh) * 2022-03-03 2022-06-03 佛山市三水凤铝铝业有限公司 一种型材用的挤压设备
CN115383029A (zh) * 2022-08-31 2022-11-25 中冶重工（唐山）有限公司 铁路机车钩舌锻件的多向模锻模具及其成形工艺

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