CN205571837U

CN205571837U - A anchor clamps for ultra -thin belleville spring machine tooling

Info

Publication number: CN205571837U
Application number: CN201620199178.8U
Authority: CN
Inventors: 周兴友; 厉强国; 沈子建
Original assignee: SHANGHAI HEGONG DISC SPRING MANUFACTURE CO Ltd
Current assignee: SHANGHAI HEGONG DISC SPRING MANUFACTURE CO Ltd
Priority date: 2016-03-15
Filing date: 2016-03-15
Publication date: 2016-09-14
Anticipated expiration: 2026-03-15

Abstract

The utility model discloses an anchor clamps for ultra -thin belleville spring machine tooling, anchor clamps include anchor clamps and lower anchor clamps, it is the convex to go up anchor clamps, go up the cylinder integrated into one piece of anchor clamps by two coaxial different diameters, anchor clamps surface middle part is equipped with the recess down, the recess is circularly, the diameter of going up the cylinder of anchor clamps upper end is less than the diameter of its bottom cylinder, the diameter of going up the bottom cylinder of anchor clamps is less than the diameter of anchor clamps surface middle part recess down. The utility model discloses earlier cut into the ring with square board, become the convex disc with disc turning, then cut into the ring with the convex disc, ensured that the ring of making is indeformable to the cost of manufacture is low, and is of high quality, efficient, has extremely important market value.

Description

A kind of for the mach fixture of ultra-thin disk spring

Technical field

This utility model relates to the processing unit (plant) of a kind of spring, particularly relates to a kind of for ultra-thin disk spring machine The fixture of processing.

Background technology

Spring is as the basic part in plant equipment, and in modern industry, all there is utilization in a lot of fields, especially exist The fields such as machinery industry, railway systems, building trade and nuclear power industry.To the demand of disk spring device also More and more.When both at home and abroad disk spring more than 7mm thickness being machined, it is the most all to be clamped by fixture Blank is directly lathed annular flake by blank, then makes cone base, when the thickness of disk spring is less than 7mm Time machining, after blank processing clamped by lathe universal fixturing, the thickness the made disk spring less than 7mm is variable Shape, by its be when processing and fabricating for ball valve pretension disk spring thickness at the ultra-thin dish of below 2mm Spring；It is that every kind of type kind is many for ball valve pretension disk spring feature but every kind of model quantity is few, General only several, it is not suitable for batch production, is not suitable for batch and prepares suitable thickness raw material, typically adopt With the raw material of stock's thicker (ultra-thin disk spring thickness relative to making), then in machining link Being processed as the thickness needed, such processing cost is high.Owing to its thickness ratio is relatively thin, in its machining process not Lathe configuration universal fixturing is preferably used directly to process；Can not be by simultaneously because make material that disk spring uses Magnetization, inhales the blank incessantly making disk spring, general-purpose grinder also should not be used to process；The most ultra-thin The processing method cost of disk spring is high, and conventional turning attachment configuration and processing method are difficult to produce constant The ultra-thin disk spring that shape is up-to-standard.

Utility model content

In view of this, technical problem to be solved in the utility model is: provide a kind of easy exploiting for surpassing The mach fixture of thin disk spring.

In order to achieve the above object, this utility model adopts the following technical scheme that and realizes:

A kind of for the mach fixture of ultra-thin disk spring, fixture includes fixture and lower clamp, upper fixture Convexly, upper fixture is one-body molded by the cylinder of two coaxial different-diameters, and lower clamp surface middle part is provided with Groove, groove is rounded.

Further, the cylindrical diameter of described upper fixture upper end is less than the cylindrical diameter in its bottom.

Further, the cylindrical diameter in bottom of described upper fixture is less than the diameter of lower clamp surface middle part groove. Described fixture can be formed by the direct Vehicle Processing of lathe, and manufacturing cost is extremely low, and every sleeve clamp only needs tens yuan RMB.

The processing method of a kind of ultra-thin disk spring, comprises the steps:

(1) machining fixture is prepared；

Described fixture includes fixture and lower clamp, and convexly, described upper fixture is same by two for described upper fixture The cylinder of axle different-diameter is one-body molded, and described lower clamp surface middle part is provided with groove, and described groove is circle Shape；

(2) by blanking machine, square steel or bar steel are processed into spring side's plate of the appointment length of side；

(3) spring side's printed line is cut into the disk of designated diameter；

(4) disk is positioned in the groove of described lower clamp；Upper fixture coordinates lower clamp to clamp disk, on Fixture coordinates Lathe thimble, and lower clamp coordinates lathe chuck, clamps disk, then by disk ecto-entad footpath The constant cylindrical convex disk of the thinning interior thickness of surrounding horizontal direction is gone out to turning；

(5) convex disk line is cut into the annulus of appointment internal diameter；

(6) by cone base being made in annulus molding with hydraulic press on mould；

(7) heat treatment, carries out heat treatment to disk spring；

(8) disk spring is suppressed；

(9) surface process is finally carried out.

Further, the external diameter of described disk and the internal diameter of groove are identical.

Further, the thickness of described disk is more than the degree of depth of groove.

Can be by technique scheme, the beneficial effects of the utility model are:

Compared to existing technology, the processing method of the ultra-thin disk spring of this utility model and machining fixture, upper folder Tool uses convex, and the cylindrical diameter of upper fixture upper end is less than the cylindrical diameter in its bottom, can be by upper end Cylinder of holster is loaded on Lathe thimble, and lower clamp surface middle part is provided with groove, and groove is rounded；Described upper fixture The cylindrical diameter in bottom less than the diameter of lower clamp surface middle part groove；The external diameter of disk is interior with groove Footpath is identical, and lower clamp coordinates lathe chuck, makes Lathe thimble, chuck coordinate fixture to use folder during machining That lives that the less ultra-thin disk of thickness adds that disk in man-hour also can be pressed from both sides is very tight, and the convex disk formed after turning is not Deformation so that the annulus formed after line cuts is indeformable, then by disk is made cone base, Re Chu Managing, suppress, the disk spring that surface is formed after processing is indeformable, and quality is good, and yields is high, improves effect Rate；Fixture can be made by the direct turning of lathe, low cost, for ball valve every kind of type of pretension disk spring Number kind is many but every kind of model quantity is few, general only several, is not suitable for batch production, is not suitable for batch Amount prepares suitable thickness raw material, directly uses stock's thicker (ultra-thin disk spring thickness relative to making) Raw material, by above-mentioned machining fixture and the processing method of ultra-thin disk spring, reduce manufacturing cost.

Accompanying drawing explanation

Fig. 1 is this utility model clamp structure schematic diagram；

Fig. 2 is disc structure schematic diagram；

Fig. 3 is disk cross-sectional view；

Fig. 4 is disk assembling structural representation on fixture；

Fig. 5 is convex annulus cross-sectional view；

Fig. 6 is the circular ring structure schematic diagram that line cuts out；

Fig. 7 is the cross-sectional view of disk spring.

Detailed description of the invention

In order to make those skilled in the art can be further understood that feature of the present utility model and technology contents, please Refering to below in connection with detailed description of the present utility model and accompanying drawing.

As it is shown in figure 1, it is a kind of for the mach fixture of ultra-thin disk spring, including upper fixture 1 and lower folder Tool 2, convexly, upper fixture 1 is one-body molded by the cylinder of two coaxial different-diameters for upper fixture 1, under Being provided with groove 21 in the middle part of chucking surface, groove 21 is rounded.The cylindrical diameter of upper fixture 1 upper end is little In the cylindrical diameter in its bottom；The cylindrical diameter in bottom of upper fixture 1 is less than lower clamp 2 surface middle part The diameter of groove 21.

As shown in Figure 2 and Figure 3, by blanking machine, square steel or bar steel are processed into spring side's plate of the appointment length of side, Then spring side's printed line is cut into the disk 3 of designated diameter.

As shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, disk 3 is positioned in the groove 21 of lower clamp 2；On Fixture 1 coordinates lower clamp 2 to clamp disk 3, and upper fixture 1 coordinates Lathe thimble, lower clamp 2 to coordinate lathe Chuck, clamps disk 3, then the radially turning of disk 3 ecto-entad is gone out the thinning middle part of surrounding horizontal direction The constant cylindrical convex disk of thickness, the external diameter of convex disk i.e. horizontal direction is turned on thinned section 32 The difference of the external diameter of cylinder 31 that formed of external diameter and projection be L；Convex disk line is cut into appointment The annulus 33 of internal diameter, L is more than the exradius of annulus 33 and the difference of inner circle radius；By on mould With hydraulic press, cone base is made in annulus 33 molding；Heat treatment, according to specification of heat treatment corresponding to material to dish Spring 4 carries out heat treatment；Then disk spring 4 is suppressed；Finally carry out surface process.

But the foregoing is only preferable possible embodiments of the present utility model, and be not used to limit to this utility model The scope of the claims, therefore all utilization this utility model description and accompanying drawing content made equivalent structure change, all In like manner it is included in the range of this utility model.

Claims

1. one kind is used for the mach fixture of ultra-thin disk spring, it is characterised in that: described fixture includes folder Tool and lower clamp, convexly, described upper fixture is by the cylinder one of two coaxial different-diameters for described upper fixture Body formed, described lower clamp surface middle part is provided with groove, and described groove is rounded.

Fixture the most according to claim 1, it is characterised in that: the cylinder of described upper fixture upper end Diameter less than the cylindrical diameter in its bottom.

Fixture the most according to claim 2, it is characterised in that: the bottom cylinder of described upper fixture Diameter less than the diameter of lower clamp surface middle part groove.