WO2022166127A1 - Dispositif de nitruration ionique et procédé de nitruration ionique pour moule de moyeu de roue de véhicule - Google Patents

Dispositif de nitruration ionique et procédé de nitruration ionique pour moule de moyeu de roue de véhicule Download PDF

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Publication number
WO2022166127A1
WO2022166127A1 PCT/CN2021/108208 CN2021108208W WO2022166127A1 WO 2022166127 A1 WO2022166127 A1 WO 2022166127A1 CN 2021108208 W CN2021108208 W CN 2021108208W WO 2022166127 A1 WO2022166127 A1 WO 2022166127A1
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WO
WIPO (PCT)
Prior art keywords
fixedly connected
nitriding
wheel hub
box
hub mold
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PCT/CN2021/108208
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English (en)
Chinese (zh)
Inventor
张陈
陈克英
任士培
陈奕
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安徽恒意硬面工程股份有限公司
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Application filed by 安徽恒意硬面工程股份有限公司 filed Critical 安徽恒意硬面工程股份有限公司
Publication of WO2022166127A1 publication Critical patent/WO2022166127A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
    • C23C8/38—Treatment of ferrous surfaces

Definitions

  • the invention relates to the technical field of wheel hub mould production, in particular to a wheel hub mould ion nitriding device and an ion nitriding process.
  • Nitriding treatment refers to a chemical heat treatment process in which nitrogen atoms penetrate into the surface of the workpiece in a certain medium at a certain temperature. Nitrided products have excellent wear resistance, fatigue resistance, corrosion resistance and high temperature resistance. Among them, ion nitriding, as a chemical heat treatment method to strengthen the metal surface, is widely used in cast iron, carbon steel, alloy steel, stainless steel and titanium alloy. After the parts are treated by ion nitriding, the hardness of the material surface can be significantly improved, so that it has high wear resistance, fatigue strength, corrosion resistance and burn resistance.
  • ion nitriding Compared with gas nitriding, ion nitriding has the advantages of fast nitriding speed, easy control of nitriding layer structure, low brittleness, no environmental pollution, energy saving, gas source and small deformation. Etc.
  • the fixed structure is not easy to adjust, and the mold cannot be quickly nitrided in all aspects, which affects the nitriding efficiency and causes high cost.
  • the present invention provides an ion nitriding device and an ion nitriding process for a wheel hub mold, which have the advantages of being able to perform rapid and comprehensive nitriding treatment on the wheel hub mold, and solve the problem of nitriding the wheel hub mold at present.
  • a wheel hub mold which have the advantages of being able to perform rapid and comprehensive nitriding treatment on the wheel hub mold, and solve the problem of nitriding the wheel hub mold at present.
  • the mold cannot be quickly nitrided in all aspects, which affects the nitriding efficiency and causes the problem of high cost.
  • the wheel hub mold ion nitriding device includes a base plate, and the upper end of the base plate is fixedly connected by a plurality of symmetrically arranged support columns There is the same nitriding box, the upper end of the bottom plate is symmetrically and fixedly connected with two electric sliding rails, the upper end of the slider in the electric sliding rail is fixedly connected with an electric push rod, and the output shaft of the upper end of the electric push rod is fixedly connected There are horizontal plates, the lower ends of the two horizontal plates are fixedly connected with the same box cover crimped on the upper end of the nitriding box, the upper end of the box cover is fixedly provided with a rotary motor, and the output shaft of the lower end of the rotary motor penetrates the box.
  • the lower end of the cover is fixedly connected with a mounting plate
  • the inside of the nitriding box is fixedly connected with two supporting plates symmetrically and fixedly
  • the upper end of the supporting plate is fixedly provided with a first nitrogen generator and a vertical pole
  • the upper end of the vertical pole is fixedly arranged.
  • the side wall is fixedly connected with a first nozzle with a trapezoidal structure, the inner side of the first nozzle is fixedly connected with a plurality of first nozzles, the bottom of the nitriding box is fixedly provided with a second nitrogen generator, the second The gas outlet of the nitrogen generator penetrates and extends into the nitriding box and is fixedly connected with a second nozzle, and the upper end of the second nozzle is fixedly connected with a plurality of second nozzles.
  • the lower end of the box cover is fixedly connected with an annular sealing block
  • the upper end of the nitriding box is provided with an annular sealing groove corresponding to the annular sealing block.
  • a plurality of fixed shafts are symmetrically and fixedly connected to the outer side of the upper end of the nitriding box, a clamping plate is rotatably sleeved on the outer side of one end of the fixing shaft, and a clamping groove is formed on the upper end side wall of the clamping plate, so
  • the outer side of the box cover is provided with a plurality of clamping blocks that are clamped with the card slots, the upper end of the clamping plate is provided with an insertion hole and a limit insertion rod is movably inserted in the insertion hole, and the upper end of the clamping block is provided with
  • the limit insertion rod corresponds to the plugged limit slot, the upper end of the limit insertion rod is fixedly connected to the limit pull plate, and the lower end of the limit pull plate and the upper end of the clamping plate are fixedly connected with the same sleeve set on the upper end of the clamping plate.
  • the limit spring outside the limit plunger.
  • two rotating screws are connected symmetrically between the upper end of the bottom plate and the lower end of the nitriding box through ball bearings, the lower end rod wall of the rotating screws is fixedly sleeved with a driven bevel gear, and the center of the upper end of the bottom plate
  • a biaxial motor is fixedly arranged at the place, the output shafts at both ends of the biaxial motor are fixedly connected to the rotating shaft, and one end of the rotating shaft is fixedly connected with a driving bevel gear that meshes with the driven bevel gear, and the rod wall thread of the rotating screw
  • a lifting screw barrel is sleeved, and the same lifting plate is fixedly connected between the two lifting screw barrels.
  • the upper end of the lifting plate is evenly and fixedly connected with a plurality of top pillars, and the upper end of the top pillar passes through the bottom of the nitriding box. The opened through holes penetrate into the nitriding box.
  • two bearing seats are symmetrically and fixedly connected to the upper end of the bottom plate, and the bearing seats are rotatably sleeved outside the shaft wall of one end of the rotating shaft close to the driving bevel gear through a ball bearing.
  • the upper end of the top column is provided with a ball groove, and the ball groove is fixedly installed with a universal ball through a ball installation mechanism.
  • the ion nitriding process of wheel hub mold includes the following steps:
  • the present invention provides a wheel hub mold ion nitriding device and an ion nitriding process, which have the following beneficial effects:
  • the wheel hub mold ion nitriding device and ion nitriding process by installing the wheel hub mold on the underside of the mounting plate, start the electric push rod, and the electric push rod pushes the horizontal plate upward, so that the box cover drives the wheel hub mold to move up , the electric slide rail drives the box cover to move so that the wheel hub mold moves to the upper side of the nitriding box, and then the box cover is lowered so that the wheel hub mold is placed in the nitriding box, and the first nitrogen generator and the second nitrogen generator produce nitrogen, And through the cooperation of the first nozzle, the first nozzle and the second nozzle and the second nozzle, the wheel hub mold is quickly and fully nitrided;
  • the wheel hub mold ion nitriding device and ion nitriding process start the rotating motor during nitriding, and the rotating motor drives the wheel hub mold to rotate to achieve a full range of rapid nitriding treatment.
  • the double shaft is activated.
  • Motor, biaxial motor drives the driving bevel gear to rotate through the rotating shaft, drives the two rotating screws to rotate synchronously through the meshing action of the driving bevel gear and the driven bevel gear, and then drives the lifting plate to move up and down through the threaded connection between the rotating screw and the lifting screw barrel. , and then drive a plurality of top columns to move up and down to stably support the bottom of the wheel hub molds of different sizes, so that the placement is more stable.
  • FIG. 1 is a schematic structural diagram of a wheel hub mold ion nitriding device and an ion nitriding process proposed by the present invention
  • FIG. 2 is an enlarged view of the partial structure of part A in FIG. 1 of the wheel hub mold ion nitriding device and the ion nitriding process proposed by the present invention
  • FIG. 3 is an enlarged view of the partial structure of part B in FIG. 1 of the wheel hub mold ion nitriding device and the ion nitriding process proposed by the present invention.
  • the wheel hub mold ion nitriding device includes a base plate 1, the upper end of the base plate 1 is fixedly connected to the same nitriding box 3 through a plurality of symmetrically arranged support columns 2, and the upper end of the base plate 1 is symmetrically and fixedly connected with a Two electric sliding rails 4, the upper end of the slider in the electric sliding rail 4 is fixedly connected with an electric push rod 5, the upper end output shaft of the electric push rod 5 is fixedly connected with a horizontal plate 6, and the lower ends of the two horizontal plates 6 are fixedly connected with the same.
  • the inner side of the first nozzle 13 is fixedly connected with a plurality of first nozzles 14, the bottom of the nitriding box 3 is fixedly provided with a second nitrogen generator 15, and the gas outlet of the second nitrogen generator 15 penetrates and extends into the nitriding box 3
  • a second nozzle 16 is fixedly connected inside and is fixedly connected with a plurality of second nozzles 17 at the upper end of the second nozzle 16 .
  • the lower end of the box cover 7 is fixedly connected with an annular sealing block, and the upper end of the nitriding box 3 is provided with an annular sealing groove corresponding to the annular sealing block.
  • the outer side of the upper end of the nitriding box 3 is symmetrically and fixedly connected with a plurality of fixed shafts 18.
  • One end of the fixed shaft 18 is rotatably sleeved with a clamping plate 19.
  • the upper end side wall of the clamping plate 19 is provided with a clamping groove 20.
  • a plurality of card blocks 21 are provided on the outside to be clamped with the card slots 20.
  • the upper end of the clamping plate 19 is provided with an insertion hole and a limit insertion rod 22 is movably inserted in the insertion hole.
  • the rod 22 corresponds to the limit slot 23 that is plugged in, the upper end of the limit insertion rod 22 is fixedly connected to the limit pull plate 24, and the lower end of the limit pull plate 24 and the upper end of the clamping plate 19 are fixedly connected with the same sleeve set in the limit pull plate 24. Position the limit spring 25 outside the insertion rod 22 .
  • Two rotating screws 26 are symmetrically connected between the upper end of the base plate 1 and the lower end of the nitriding box 3 through ball bearings.
  • the lower end rod wall of the rotating screw 26 is fixedly sleeved with a driven bevel gear 27.
  • a biaxial motor 28 is provided, the output shafts at both ends of the biaxial motor 28 are fixedly connected to the rotating shaft 29, and one end of the rotating shaft 29 is fixedly connected with a driving bevel gear 30 that meshes with the driven bevel gear 27, and the rod wall thread sleeve of the rotating screw 26 is fixed.
  • a lifting screw barrel 31 is connected, and the same lifting plate 32 is fixedly connected between the two lifting screw barrels 31.
  • the upper end of the lifting plate 32 is evenly connected with a plurality of top posts 33, and the upper end of the top posts 33 passes through the bottom of the nitriding box 3. The opened through holes penetrate into the nitriding box 3 .
  • the upper end of the bottom plate 1 is symmetrically and fixedly connected with two bearing seats, and the bearing seats are rotatably sleeved outside the shaft wall of one end of the rotating shaft 29 close to the driving bevel gear 30 through ball bearings.
  • the upper end of the top column 33 is provided with a ball groove, and a universal ball is fixedly installed in the ball groove through a ball installation mechanism.
  • the ion nitriding process of wheel hub mold includes the following steps:
  • the wheel hub mold is installed on the lower side of the mounting plate 9, the electric push rod 5 is activated, and the electric push rod 5 pushes the horizontal plate 6 upward, so that the box
  • the cover 7 drives the wheel hub mold to move up, the electric slide rail 4 drives the box cover 7 to move so that the wheel hub mold moves to the upper side of the nitriding box 3, and then the box cover 7 is put down so that the wheel hub mold is placed in the nitriding box 3.
  • the nitrogen generator 11 and the second nitrogen generator 15 produce nitrogen, and through the cooperation of the first nozzle 13, the first nozzle 14, the second nozzle 16 and the second nozzle 17, the wheel hub mold is quickly and fully nitrided. ; Start the rotary motor 8, and the rotary motor drives the wheel hub mold to rotate to achieve a full range of rapid nitriding treatment. During the nitriding process, the biaxial motor 28 is activated, and the biaxial motor 28 drives the driving bevel gear 30 to rotate through the rotary shaft 29.
  • the meshing action of the bevel gear 30 and the driven bevel gear 17 drives the two rotating screws 26 to rotate synchronously, and then drives the lifting plate 32 to move up and down through the threaded connection between the rotating screw 26 and the lifting screw barrel 31, thereby driving a plurality of top posts 33 up and down
  • the movement firmly supports the bottom of the wheel hub molds of different sizes, making the placement more stable.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

La présente invention concerne le domaine technique de la production de moules de moyeu, et la divulgation concerne un dispositif de nitruration ionique pour un moule de moyeu de roue de véhicule. Le dispositif de nitruration ionique comprend une plaque inférieure; une même boîte de nitruration est reliée de manière fixe à l'extrémité supérieure de la plaque inférieure au moyen d'une pluralité de colonnes de support disposées symétriquement; deux rails coulissants électriques sont reliés de manière symétrique et fixe à l'extrémité supérieure de la plaque inférieure; des tiges de poussée électriques sont reliées de manière fixe aux extrémités supérieures des blocs coulissants dans les rails coulissants électriques; des plaques transversales sont reliées de manière fixe aux arbres de sortie des extrémités supérieures des tiges de poussée électriques; un même couvercle de boîte pressé sur l'extrémité supérieure de la boîte de nitruration et relié à celle-ci est relié de manière fixe aux extrémités inférieures des deux plaques transversales; un moteur rotatif est disposé à demeure au niveau de l'extrémité supérieure du couvercle de boîte; un arbre de sortie d'extrémité inférieure du moteur rotatif passe à travers l'extrémité inférieure du couvercle de boîte et une plaque de montage est reliée de manière fixe à l'arbre de sortie d'extrémité inférieure; deux plaques de support sont reliées de manière fixe à l'intérieur de la boîte de nitruration d'une manière bilatéralement symétrique; et des premiers générateurs d'azote et des tiges verticales sont disposés de manière fixe au niveau des extrémités supérieures des plaques de support. Le dispositif de nitruration ionique et le procédé de nitruration ionique pour un moule de moyeu de roue de véhicule présentent l'avantage qu'un moule de moyeu peut être soumis à un traitement de nitruration rapide et enrobant.
PCT/CN2021/108208 2021-02-04 2021-07-23 Dispositif de nitruration ionique et procédé de nitruration ionique pour moule de moyeu de roue de véhicule WO2022166127A1 (fr)

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CN202110156579.0A CN112981311A (zh) 2021-02-04 2021-02-04 车轮轮毂模具离子氮化装置及离子氮化工艺
CN202110156579.0 2021-02-04

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN115612978A (zh) * 2022-10-25 2023-01-17 扬州大学 一种不锈钢弹子的氮化装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112981311A (zh) * 2021-02-04 2021-06-18 安徽恒意硬面工程股份有限公司 车轮轮毂模具离子氮化装置及离子氮化工艺

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JP2002356764A (ja) * 2001-05-29 2002-12-13 Kawasaki Heavy Ind Ltd 電子ビーム励起プラズマを用いた窒化処理方法及び装置
CN2632095Y (zh) * 2003-02-20 2004-08-11 大连理工大学 等离子体源增强沉积设备
CN110747429A (zh) * 2019-10-29 2020-02-04 徐州鼎元机械有限公司 一种汽车零配件的氮化设备
CN210945750U (zh) * 2019-12-10 2020-07-07 武汉丰而顺热处理设备有限公司 一种硬化均匀的离子氮化炉
CN112281108A (zh) * 2020-10-29 2021-01-29 南京国重新金属材料研究院有限公司 高温氮化处理装置
CN112981311A (zh) * 2021-02-04 2021-06-18 安徽恒意硬面工程股份有限公司 车轮轮毂模具离子氮化装置及离子氮化工艺

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CN211595769U (zh) * 2019-12-20 2020-09-29 泉州市鸿达金属科技有限公司 一种对刀具进行多段热处理的气体氮化炉

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Publication number Priority date Publication date Assignee Title
JP2002356764A (ja) * 2001-05-29 2002-12-13 Kawasaki Heavy Ind Ltd 電子ビーム励起プラズマを用いた窒化処理方法及び装置
CN2632095Y (zh) * 2003-02-20 2004-08-11 大连理工大学 等离子体源增强沉积设备
CN110747429A (zh) * 2019-10-29 2020-02-04 徐州鼎元机械有限公司 一种汽车零配件的氮化设备
CN210945750U (zh) * 2019-12-10 2020-07-07 武汉丰而顺热处理设备有限公司 一种硬化均匀的离子氮化炉
CN112281108A (zh) * 2020-10-29 2021-01-29 南京国重新金属材料研究院有限公司 高温氮化处理装置
CN112981311A (zh) * 2021-02-04 2021-06-18 安徽恒意硬面工程股份有限公司 车轮轮毂模具离子氮化装置及离子氮化工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115612978A (zh) * 2022-10-25 2023-01-17 扬州大学 一种不锈钢弹子的氮化装置
CN115612978B (zh) * 2022-10-25 2023-08-15 扬州大学 一种不锈钢弹子的氮化装置

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