CN206509381U

CN206509381U - A kind of I-shaped silicone oil damper case spinning Bending Mould group

Info

Publication number: CN206509381U
Application number: CN201621353880.1U
Authority: CN
Inventors: 张建新; 金小波; 潘益芳; 周敏; 纪国群
Original assignee: NANTONG FULEDA AUTOMOBILE FITTINGS CO Ltd
Current assignee: NANTONG FULEDA AUTOMOBILE FITTINGS CO Ltd
Priority date: 2016-12-12
Filing date: 2016-12-12
Publication date: 2017-09-22
Anticipated expiration: 2026-12-12
Also published as: WO2018107638A1

Abstract

The utility model discloses a kind of I-shaped silicone oil damper case spinning Bending Mould group, including the mold on spinning machine, lower mould, first spinning wheel and the second spinning wheel, mould installion is in spinning machine rotating shaft above and below it, the circular plate for preparing I-shaped silicone oil damper case is positioned on the lower mould and pressed by mold, first spinning wheel and the second spinning wheel are arranged on the turning rolls of spinning machine, it is symmetrically positioned in upper and lower mould both sides, the central axis of the wheel axis and upper and lower mould of the first spinning wheel and the second spinning wheel is in 45 ° of angles simultaneously.

Description

A kind of I-shaped silicone oil damper case spinning Bending Mould group

Technical field

The utility model is related to a kind of processing assembly of I-shaped silicone oil damper case, more particularly to a kind of I-shaped silicon Oil bumper housing spinning Bending Mould group.

Background technology

In order to cut down the twisting vibration of bent axle, the fatigue life of bent axle is improved, vibration and the noise of vehicle is reduced, it is modern Automobile all can install crankshaft torsional vibrations damper in the maximum crankshaft front end of engine torsional oscillation amplitude.According to reduction torsional oscillation mode not Together, three kinds of dynamical type, damp type and combined type can be divided into, and bent axle silicon oil shock absorber just belongs to one kind of damping shock absorber.This Planting silicon oil shock absorber needs good sealing and larger coasting body, just can guarantee that reliable operation, reaches good use requirement, Suitable for big-and-middle-sized marine engine and automobile（Heavy goods vehicles, Light-duty Vehicle, racing car, engineering machine vehicle etc.）On engine.

Conventional silicone oil damper case spoke part is located at bottom plate position, causes mounting means relatively simple, and fixed The spoke for installing back casing is irremovable, and a kind of I-shaped silicone oil damper case, this housing are developed for such case Spoke part can be required according to the cooperation of various engine components, shaping when by adjusting die size, it is possible to change Become the spoke position of housing so that the cooperation of engine is compacter, and meet flexible design with the cooperation of engine will Ask, yet with the particularity of this I-shaped shell structure, it is always a problem that it, which is processed, and existing most common way is exactly The mode of monoblock cast, forging machining and welding.But monoblock cast is also easy to produce shrinkage cavity and porosity etc., its mechanical performance can not be protected Card, sealing also is difficult to meet and required；It is relatively low to there is stock utilization in forging machining, and machining allowance is big, metal streamline quilt Cut-out, the low defect of corrosion resistance of part.Chemical constituents analysis during welding due to weld zone is uneven, so as to cause power Performance profile is uneven, and the dynamic balancing of product is poor, and its life-span and dynamic characteristic can be greatly affected, and many germplasm easily occur Amount problem.

The problem of being formed for spoke position in I-shaped silicone oil damper case, downward bending technique is used in processing Formed, but the technique needs matching die and spinning wheel to carry out assembling cooperation realization, it is existing on the market without suitable mould And spinning wheel is processed operation.

Utility model content

The purpose of this utility model is to overcome the defect of prior art to be revolved there is provided a kind of I-shaped silicone oil damper case Backfin bending mould group, the clamping of circular plate is realized by upper/lower die, and spinning bender is symmetrically carried out by two spinning wheels Skill is operated.

To achieve the above object, the utility model proposes following technical scheme：

A kind of I-shaped silicone oil damper case spinning Bending Mould group, including the mold on spinning machine, under Mould, the first spinning wheel and the second spinning wheel, wherein upper/lower die are arranged in spinning machine rotating shaft, prepare bent axle silicon oil shock absorber The circular plate of housing is positioned on the lower mould and pressed by mold, first spinning wheel and the second spinning Wheel is symmetrically positioned in upper and lower mould both sides, while the wheel shaft of the first spinning wheel and the second spinning wheel on the turning rolls of spinning machine The central axis of line and upper and lower mould is in 45 ° of angles.

Preferably, the mold lower surface is provided with the semicircle convex tendon for being spaced 8 ~ 12mm, and the radius of the convex tendon 0.3mm。

Preferably, the lower mould upper surface has the limit for specifically having projection on raised step surface, the step surface Position, circular plate is positioned on lower mould to be positioned by the spacing of projection.

Preferably, the wheel side of first spinning wheel and the second spinning wheel is in 90 °, radius is used for 8 ~ 10mm circular arc Transition forms spinning roller fillet, and the upper surface at the spinning roller angle is parallel with lower mold center axle, lower surface and circular plate upper surface It is parallel.

Compared with prior art, a kind of I-shaped silicone oil damper case spinning Bending Mould that the utility model is disclosed Group, has the advantages that：Two spinning wheels are arranged symmetrically in mould both sides so that during spinning operation double-faced uniform by Power, so that stability is improved, it is to avoid local loading causes metal disorderly, improves workpiece quality；

The radius of corner of spinning wheel is 8 ~ 10mm, preferably pad pasting and control can be thinned in bending, while upper surface It is parallel with mold center axle in bending, it can be ensured that the sizing of plate convex platform, prevent boss from collapsing；

Set convex tendon to increase the frictional force between circular plate in mold lower surface, occur sliding relatively when preventing from rotating Dynamic phenomenon.

Brief description of the drawings

Fig. 1 is the mould assembling schematic diagram of the utility model spinning bending process.

Embodiment

Clear, complete description is carried out to the technical scheme of the utility model embodiment below in conjunction with accompanying drawing.

As shown in figure 1, a kind of I-shaped silicone oil damper case spinning Bending Mould group disclosed in the utility model, peace The inner cylinder for being processed to circular plate and forming bent axle silicone oil damper case is realized on spinning machine, its structure includes upper mould Tool 1, lower mould 2, the first spinning wheel 3 and the second spinning wheel 4, wherein mold 1 and lower mould 2 are arranged on the rotating shaft of spinning machine On, the circular plate 5 with boss is positioned on lower mould 2, and pressing positioning is realized by the mold 1 of top, and described the One spinning wheel 3 and the second spinning wheel 4 are symmetricly set on upper and lower mould both sides, and the central shaft of two spinning wheel wheel axis and upper and lower mould Line is in 45 ° of angles.

Particularly, the upper surface of lower mould 2 has raised step surface 6, and the upper surface center of step surface 6 has Raised spacing 7, the circular plate with boss is positioned on spacing 7, and its peripheral plate is in vacant state to boss upwards, described The height of step surface 6 determines bending depth.

The lower surface of mold 1 have with projection 6 coordinate grooves 10, and the surrounding of groove 10 lower surface be provided between Every 8 ~ 12mm semicircle convex tendon 11, and the radius of the semicircle convex tendon 11 is 0.3mm, when being arranged on of convex tendon pushes circular plate The frictional force with circular plate surface can be increased, occur relative slide when preventing from rotating.

The spinning wheel 4 of first spinning wheel 3 and second is arranged on the turning rolls of spinning machine, is symmetricly set on upper and lower mould two Side, its wheel axis is with upper and lower mould central axis in 45 ° of angles.

The wheel side of first spinning wheel 3 is in 90 °, and the radius of corner at spinning roller angle 12 is 8 ~ 10mm, due to the first spinning wheel Wheel axis and lower mould 2 central axis in 45 ° of angles, so the upper surface 8 at the spinning roller angle 12 and upper and lower mould central shaft Parallel, lower surface 9 is parallel with circular plate surface, in depression, and progress is contacted with plate by lower surface axially pushes, In bending operation, the pressure for providing plate vertical cylinder by spinning roller does radial feed simultaneously so that the lower mould of plate laminating Step surface formation L-type bending, larger spinning roller angle cause feeding it is more smooth, while the round-corner transition area of plate can be more preferable Pad pasting and control are thinned.

The structure of second spinning wheel 4 is consistent with the structure of the first spinning wheel 3, therefore does not do excessive description.

The course of work of spinning Bending Mould group is that both sides spinning wheel is adjusted into circular plate edge in the utility model Position, starts spinning machine, and upper/lower die matched moulds, control upper/lower die is rotated, and spinning roller does passive rotation, two rotations in forming process Pinch roller feeds carry out depression vertically so that circular plate outward flange downward bending to lower mould upper surface pad pasting；So After control the first spinning wheel not feed to make it be pressed on circular plate outer fringe surface, push down circular plate, the second spinning wheel is to plate Material has the pressure of vertical cylinder while doing radial feed so that circular plate bending forms L-type bending.

Technology contents and technical characteristic of the present utility model are had revealed that as above, but those skilled in the art still may be used A variety of replacements and modification without departing substantially from the utility model spirit can be made based on teaching of the present utility model and announcement, therefore, this Utility model protection scope should be not limited to the content disclosed in embodiment, and should include various without departing substantially from replacement of the present utility model And modification, and covered by present patent application claim.

Claims

1. a kind of I-shaped silicone oil damper case spinning Bending Mould group, it is characterised in that：Including on spinning machine Mold, lower mould, the first spinning wheel and the second spinning wheel, wherein upper/lower die are arranged in spinning machine rotating shaft, prepare I-shaped The circular plate of type silicone oil damper case is positioned on the lower mould and pressed by mold, first spinning Wheel and the second spinning wheel are arranged on the turning rolls of spinning machine, upper and lower mould both sides are symmetrically positioned in, while the first spinning wheel and second The wheel axis of spinning wheel and the central axis of upper and lower mould are in 45 ° of angles, and the mold lower surface is provided with the half of 8 ~ 12mm of interval Boss muscle, and the radius of the convex tendon is 0.3mm, the upper surface of the lower mould has raised step surface, the step surface Upper to have the spacing of projection, circular plate is positioned on lower mould to be positioned by the spacing of projection, first spinning wheel And second spinning wheel wheel side be in 90 °, use radius be 8 ~ 10mm arc transition formed spinning roller fillet, the spinning roller angle it is upper End face is parallel with lower mold center axle, and lower surface is parallel with circular plate upper surface.