WO2018107640A1 - Jeu de matrices pour étendre et repousser le cylindre extérieur du boîtier d'amortisseur à huile de silicone d'un vilebrequin - Google Patents

Jeu de matrices pour étendre et repousser le cylindre extérieur du boîtier d'amortisseur à huile de silicone d'un vilebrequin Download PDF

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Publication number
WO2018107640A1
WO2018107640A1 PCT/CN2017/081631 CN2017081631W WO2018107640A1 WO 2018107640 A1 WO2018107640 A1 WO 2018107640A1 CN 2017081631 W CN2017081631 W CN 2017081631W WO 2018107640 A1 WO2018107640 A1 WO 2018107640A1
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WO
WIPO (PCT)
Prior art keywords
wheel
crankshaft
outer cylinder
silicone oil
oil damper
Prior art date
Application number
PCT/CN2017/081631
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English (en)
Chinese (zh)
Inventor
纪国群
周敏
张建新
金小波
潘益芳
Original Assignee
南通福乐达汽车配件有限公司
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Publication date
Application filed by 南通福乐达汽车配件有限公司 filed Critical 南通福乐达汽车配件有限公司
Publication of WO2018107640A1 publication Critical patent/WO2018107640A1/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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material

Definitions

  • the utility model relates to a processing component of a crankshaft silicone oil damper housing, in particular to a crankshaft silicone oil damper housing slewing outer cylinder mold set.
  • crankshaft torsional vibration damper In order to reduce the torsional vibration of the crankshaft, improve the fatigue life of the crankshaft, and reduce the vibration and noise of the entire vehicle, modern vehicles will install the crankshaft torsional vibration damper at the front end of the crankshaft with the largest torsional vibration amplitude of the engine. According to the different ways of reducing the torsional vibration, it can be divided into three types: power type, damping type and composite type, and the crankshaft silicone oil shock absorber is a kind of damping shock absorber. This silicone oil damper requires a good seal and a large inertial body to ensure reliable operation and good use requirements.
  • a double-cylinder crankshaft silicone oil damper with a flange the conventional processing method is generally a method of integral casting, forging machining and tailor welding.
  • the whole casting is easy to produce shrinkage holes, shrinkage, etc., its mechanical properties can not be guaranteed, and the sealing property is also difficult to meet the requirements; forging machine processing has low material utilization rate, large machining allowance, metal flow lines are cut, and parts are resistant. Defects such as low corrosion performance. Due to the uneven distribution of chemical composition in the weld zone during tailor welding, the distribution of mechanical properties is not uniform, the dynamic balance of the product is poor, and its life and dynamic characteristics are greatly affected, which is prone to various quality problems.
  • the formation of the outer cylinder is considered to be formed by the process of expanding the outer cylinder.
  • the outer cylinder of the exhibition needs the matching mold and the wheel assembly for assembly and realization. There is no suitable mold and wheel set for processing operation on the market. .
  • the purpose of the utility model is to overcome the defects of the prior art, and provide a crankshaft silicone oil damper housing for rotating the outer cylinder mold set, and the circular plate is pressed and rotated by the upper and lower molds, and the flange is rolled.
  • the wheel realizes the flanging and thickening operation, and the folded sheet is flattened by the flattening wheel to form an outer cylinder structure that meets the requirements.
  • a crankshaft silicone oil damper housing exhibiting an outer cylinder mold set, comprising an upper mold, a lower mold, a burring wheel and a flat wheel mounted on the spinning machine, wherein the upper and lower molds are mounted on the rotating shaft of the spinning machine, wherein
  • the upper surface of the lower mold has a groove for receiving the crankshaft silicone oil damper inner cylinder, and a circular sheet with the inner cylinder is placed on the lower mold and pressed by the upper mold, the burring wheel and the flat wheel Mounted on the roller frame of the spinning machine, symmetrically located on both sides of the upper and lower molds, wherein the wheel axis of the flanged wheel is at an angle of 45° with the central axis of the upper and lower molds, the wheel axis of the rotary wheel and the central axis of the upper and lower molds parallel.
  • the lower end surface of the upper mold is provided with semicircular ribs spaced apart by 8 to 12 mm, and the radius of the ribs is 0.3 mm.
  • the outer side wall of the lower mold has a stepped surface to ensure that the folded sheet is embedded in the step surface when the flat surface is flattened, and the desired outer cylinder structure is formed by laminating the surface with the step surface.
  • the wheel side of the flat wheel is flat and has a plurality of grooves on its surface.
  • the utility model discloses a crankshaft silicone oil damper housing exhibiting an outer cylinder mold set, which has the following beneficial effects: the burring and pushing are gradually realized by the symmetrically arranged burring wheel and the rotary flat wheel.
  • the curved surface structure on the burring wheel can achieve the effect of similar stamping and bending, and can ensure that the rounded transition zone is not thinned;
  • the groove is designed according to the outer cylinder rib structure on the rotary flat wheel, so that When the outer cylinder is flattened, a convex rib is directly formed;
  • the ribs are arranged on the lower surface of the upper mold to increase the friction between the ribs and the circular sheet to prevent relative sliding phenomenon during rotation;
  • the entire mold structure can be easily processed to meet the requirements of high precision outer cylinder, reducing the cumbersome process operation.
  • FIG. 1 is a schematic view showing the assembly of a mold for the process of rotating the outer cylinder of the present invention.
  • the utility model discloses a crankshaft silicone oil damper housing, a rotating outer cylinder mold set, which is mounted on a spinning machine to realize a flanging processing of a circular plate of the inner cylinder to form a crankshaft silicone oil.
  • An outer cylinder of the damper housing the structure comprising an upper mold 1, a lower mold 2, a burring wheel 3 and a flattening wheel 4, wherein the upper mold 1 and the lower mold 2 are mounted on a rotating shaft of the spinning machine, the belt
  • the circular sheet 5 of the inner cylinder is placed on the lower mold 2, and the pressing positioning is realized by the upper upper mold.
  • the burring wheel 3 and the flattening wheel 4 are mounted on the roller frame of the spinning machine, and are symmetrically arranged in the lower mold. 2 on both sides, and the wheel axis of the burring wheel 3 is at an angle of 45° with the center line of the upper and lower dies, and the wheel axis of the slewing wheel 4 is parallel to the central axis of the upper and lower dies.
  • the lower mold 2 has a protrusion 6 at the center thereof, so that the circular sheet 5 is positioned by the intermediate protrusion 6 when it is placed on the lower mold surface, and the upper surface of the lower mold 2 has an annular groove 7 for placing the circle.
  • the inner cylinder 8 on the shaped sheet 5 has a stepped surface 9 at the upper surface edge of the lower mold 2 so that the outer edge portion of the circular sheet 5 is embedded in the stepped surface 9 when it is flanged for size restriction.
  • the lower end surface of the upper mold 1 has a groove 10 matched with the protrusion 6, and the lower end surface around the groove is provided with a semicircular rib 11 spaced apart by 8 to 12 mm, and the radius of the semicircular rib 11 is 0.3 mm.
  • the rib arrangement can increase the friction with the surface of the circular sheet when the circular sheet is pressed down, and prevent relative sliding when rotating.
  • the setting of the side wheel is to realize the folding operation of the circular sheet material, and at the same time, thickening, so that the thickness of the outer tube reaches the relevant requirements.
  • the wheel side of the flat wheel 4 is a flat surface, and the function is to flatten the folded sheet material to form a vertical outer tube structure, and the outer tube structure with the convex ribs can be outside the flattening wheel A corresponding groove 13 is provided on the side surface to realize one-time forming of the rib.
  • the utility model discloses a crankshaft silicone oil damping shell shovel thickening mold set, which realizes pressing and rotating of a circular sheet material by upper and lower molds, and realizes flanging and thickening operation by a burring wheel, and is rotated by a burring wheel.
  • the flat wheel flattens the folded sheet to form an outer cylinder structure that meets the requirements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

L'invention concerne un jeu de matrices pour étendre et repousser le cylindre extérieur d'un boîtier d'amortisseur à huile de silicone d'un vilebrequin, comprenant une matrice supérieure (1), une matrice inférieure (2), une roue de bordage (3) et une roue à repousser et à aplatir (4) montées sur une machine de repoussage. La matrice supérieure et la matrice inférieure sont montées sur un arbre rotatif de la machine de repoussage, la surface supérieure de la matrice inférieure (2) possède une rainure (7) destinée à recevoir un cylindre intérieur (8) d'un amortisseur à huile de silicone d'un vilebrequin, une feuille circulaire (5) qui est équipée du cylindre intérieur (8) étant placée sur la matrice inférieure (2) et étant pressée au moyen de la matrice supérieure (1) ; la roue de bordage (3) et la roue à repousser et à aplatir (4) sont montées sur un support à rouleau de la machine de repoussage et situées symétriquement des deux côtés de la matrice inférieure (2), un angle de 45° étant formé entre l'axe de la roue de bordage (3) et l'axe central de la matrice supérieure et de la matrice inférieure, l'axe de la roue à repousser et à aplatir (4) étant parallèle à l'axe central de la matrice supérieure et de la matrice inférieure. Le jeu de matrices pour étendre et repousser le cylindre extérieur d'un boîtier d'amortisseur à huile de silicone d'un vilebrequin réalise le pressage et la rotation d'une feuille circulaire au moyen de la matrice supérieure et de la matrice inférieure, réalise des opérations de bordage et d'épaississement au moyen de la roue de bordage, et effectue un processus de pressage et d'aplatissement sur la feuille bordée au moyen de la roue à repousser et à aplatir de façon à former une structure de cylindre extérieure qui répond aux exigences, simplifiant ainsi l'opération de ce processus fastidieux.
PCT/CN2017/081631 2016-12-12 2017-04-24 Jeu de matrices pour étendre et repousser le cylindre extérieur du boîtier d'amortisseur à huile de silicone d'un vilebrequin WO2018107640A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201621353926.X 2016-12-12
CN201621353926.XU CN206509411U (zh) 2016-12-12 2016-12-12 一种曲轴硅油减震器壳体展旋外筒模具组

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WO2018107640A1 true WO2018107640A1 (fr) 2018-06-21

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WO (1) WO2018107640A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107913935B (zh) * 2017-11-24 2019-05-28 合肥工业大学 一种薄底厚外缘钣制盘类件的成形方法
CN109175094B (zh) * 2018-08-27 2019-12-06 合肥工业大学 一种多楔齿结构的曲轴隔离带轮壳体的成形方法及模具组

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01104422A (ja) * 1987-08-03 1989-04-21 Vibratech Inc ロール・スピン法で作られるハウジング及びその他の改良点を持つ捻じれ利用の振動減衰器
US5236115A (en) * 1991-05-10 1993-08-17 Carl Hasse & Wrede Process for the manufacture of a viscous torsional vibration damper
CN101672340A (zh) * 2009-08-18 2010-03-17 山东光大机械制造有限公司 硅油减振器壳体及其制造方法
CN103056618A (zh) * 2012-12-29 2013-04-24 柳州市龙杰汽车配件有限责任公司 硅油减震器壳体的成型方法
CN103272906A (zh) * 2013-05-24 2013-09-04 宁波赛德森减振系统有限公司 一种制造一体式扭振减振器壳体的方法
CN205629043U (zh) * 2016-05-30 2016-10-12 四川皇利消防设备有限公司 一种改进的风筒翻边机的旋压结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01104422A (ja) * 1987-08-03 1989-04-21 Vibratech Inc ロール・スピン法で作られるハウジング及びその他の改良点を持つ捻じれ利用の振動減衰器
US5236115A (en) * 1991-05-10 1993-08-17 Carl Hasse & Wrede Process for the manufacture of a viscous torsional vibration damper
CN101672340A (zh) * 2009-08-18 2010-03-17 山东光大机械制造有限公司 硅油减振器壳体及其制造方法
CN103056618A (zh) * 2012-12-29 2013-04-24 柳州市龙杰汽车配件有限责任公司 硅油减震器壳体的成型方法
CN103272906A (zh) * 2013-05-24 2013-09-04 宁波赛德森减振系统有限公司 一种制造一体式扭振减振器壳体的方法
CN205629043U (zh) * 2016-05-30 2016-10-12 四川皇利消防设备有限公司 一种改进的风筒翻边机的旋压结构

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