CN207464083U - A kind of out star wheel forging finishing mold - Google Patents
A kind of out star wheel forging finishing mold Download PDFInfo
- Publication number
- CN207464083U CN207464083U CN201721388331.2U CN201721388331U CN207464083U CN 207464083 U CN207464083 U CN 207464083U CN 201721388331 U CN201721388331 U CN 201721388331U CN 207464083 U CN207464083 U CN 207464083U
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- punch
- annular
- star wheel
- finishing
- out star
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Abstract
The utility model provides a kind of out star wheel forging finishing mold, is used to implement the head shaping to out star wheel forging, and the finishing mold includes upper mold seat and the finishing cavity plate being arranged below the upper mold seat.Punch set is connected on the upper mold seat, hollow annular punch is worn in the punch set, punch core is equipped in the annular punch, the annular punch can be slided up and down along the punch set, the upper end of the punch core is fixedly attached on the upper mold seat, and the joint-cutting of several lower faces for extending to the annular punch is provided in the axial direction on the outer wall of the annular punch.Be formed in the middle part of the finishing cavity plate for accommodate the out star wheel head shaping die cavity, the shaping die cavity and the annular punch are coaxially disposed.When the punch set moves up, the lower end of the annular punch is opened by the punch stud；When the punch set moves down, the lower end of the annular punch closes up.
Description
Technical field
The utility model is related to precision metals to forge field, more particularly to a kind of out star wheel forging finishing mold.
Background technology
Out star wheel is the important part that torque is transmitted in constant velocity cardan joint, and the power of engine passes through universal joint from speed changer
It is transmitted to wheel.It please refers to Fig.1 with shown in Fig. 2, it illustrates a kind of structure of typical out star wheel 100, the out star wheels 100
Including bar portion 101 and positioned at the head 102 of described 101 one end of bar portion, the upper end on the head 102 be recessed it is broad in the middle, two
Small head cavity 103 is held, the inner wall of the head cavity 103 shows hexapetalous flower line shape.
Since the head cavity 103 of out star wheel 100 is special construction small in the end and big in the middle, common extrusion die,
After completing 103 extrusion forming of head cavity, the head cavity 103 of forging will be firmly wrapped on punch, can not be removed.Cause
This, it is in the prior art, general to use the molding of method completion out star wheel 100 for squeezing and cutting technique with knife and be combined, first using crowded
Pressure technique squeezes out cavity profile on the head of forging stock, then using cutting machine to being cut in the middle part of cavity, to form centre
Greatly, head cavity small in ends.
The shaping efficiency that knife cuts technique is low, and generates a large amount of waste materials, extends the production cycle of product, improves product
Production cost.Therefore, it is necessary to develop a kind of finishing mold of novel out star wheel forging, by the extruding of mold come
Complete the shaping of the head cavity of out star wheel forging.
Utility model content
In order to solve the above technical problems, the utility model proposes a kind of forming method of out star wheel, particular technique side
Case is as follows：
A kind of out star wheel forging finishing mold is used to implement the head shaping to out star wheel forging, the die finish
Has the finishing cavity plate for including upper mold seat and being arranged below the upper mold seat.Punch set, the punching are connected on the upper mold seat
Hollow annular punch is worn in headgear, punch core is equipped in the annular punch, the annular punch can be along the punch
Set slides up and down, and the upper end of the punch core is fixedly attached on the upper mold seat, on the outer wall of the annular punch in an axial direction
Offer the joint-cutting of several lower faces for extending to the annular punch.It is formed with to accommodate in the middle part of the finishing cavity plate
The shaping die cavity on the head of the out star wheel, the shaping die cavity are coaxially disposed with the annular punch.When the annular punch
When moving up, the lower end of the annular punch is opened by the punch stud；When the annular punch moves down, the ring
The lower end of shape punch closes up.
In a specific embodiment, six joint-cuttings are provided in the axial direction on the outer wall of the annular punch.
In a specific embodiment, the lower end of the punch core is formed with the guide section of wedge shape, the annular punch
The wedge cavities to match with the shape of the guide section are formed at the lower part of inner cavity.
In a specific embodiment, it is connected with material returned pawl card below the finishing cavity plate.
Compared with prior art, the utility model proposes out star wheel forging finishing mold can complete the head of out star wheel
The finishing molding of portion inner cavity, is effectively shortened the production cycle of out star wheel product, reduces the production cost of out star wheel.
Description of the drawings
It, below will be to being needed described in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.Wherein：
Fig. 1 is a kind of structure diagram of typical out star wheel；
Fig. 2 is the structure diagram of the head cavity of the out star wheel in Fig. 1；
Fig. 3 is the structure diagram of the finishing mold of the utility model；
Fig. 4 is the annular punch in Fig. 3 and the installation diagram of punch core；
Fig. 5 is the stereoscopic figure of the annular punch in Fig. 3；
Fig. 6 be introduce the utility model finishing mold after out star wheel forging process figure.
Specific embodiment
Above-mentioned purpose, feature and advantage to enable the utility model are more obvious understandable, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
" one embodiment " or " embodiment " referred to herein refers to may be included at least one realization side of the utility model
A particular feature, structure, or characteristic in formula." in one embodiment " that different places occur in the present specification not refers both to
Same embodiment, nor the individual or selective embodiment mutually exclusive with other embodiment.
Described in please referring to Fig.3, the finishing mold in the utility model includes upper mold seat 1 and is arranged on the upper mold seat
The finishing cavity plate 6 of 1 lower section, wherein：
Punch set 2 is connected on the upper mold seat 1, hollow annular punch 4, the ring-type are worn in the punch set 2
Punch core 5 is equipped in punch 4, the annular punch 4 can cover 2 along the punch and slide up and down, and the upper end of the punch core 5 is consolidated
Surely the upper mold seat 1 is connected to, being provided in the axial direction with several on the outer wall of the annular punch 4 extends to the annular punch
Lower face joint-cutting.
When the annular punch 4 moves up, the lower end of the annular punch 4 is strutted by the punch core 5, and works as ring
When shape punch 4 moves down, the lower end of the annular punch 4 reverts to closed configuration.
The middle part of the finishing cavity plate 6 be formed with for accommodate the out star wheel head shaping die cavity, the shaping
Die cavity is coaxially disposed with the annular punch 4.
The shape and size of the lower end of the annular punch 4 and treat finishing out star wheel head cavity target shape and
Size matches.Specifically, as shown in figure 4, the lower end of the annular punch 4 is formed with petal-like punch end 41, it is described
The top at punch end 41 is formed with the lug boss 42 of outwardly convex, and the punch end 41 and the lug boss 42 are collectively formed and institute
State the punching structure that the target shape of the head cavity for the out star wheel for treating finishing and size are mutually matched.
In a specific embodiment, as shown in Fig. 2, the inner wall for wanting the head cavity of molding out star wheel is hexapetalous flower
Line shape.Therefore, as shown in figure 5, the punch end 41 is accordingly set as hexapetalous flower lobed shape.The outer wall of the annular punch 4
On be provided in the axial direction with six joint-cuttings that are parallel, being placed equidistant with, every joint-cutting cuts two corresponding, adjacent petals
It opens.
Using finishing mold provided by the utility model, can be realized in a manner of extruding to the head cavity of out star wheel
Finishing is molded, production cycle so as to shorten out star wheel product, the production cost for reducing out star wheel.
It please refers to shown in Fig. 6, after the finishing mold in introducing the utility model, the forging of out star wheel is embarked on journey process packet
It includes blanking, just squeeze, jumping-up, the anti-five processes such as crowded and finishing, wherein：
Described just squeezing is that the forging stock 1 (a) after blanking is carried out using positive extruding mold just to squeeze, so as to obtain having thinner bar
Portion and the forging stock 1 (b) positioned at the thicker head of one end of the rod.
The jumping-up refers to carry out jumping-up to the head of the forging stock 1 (b) after just squeezing using heading die, to obtain head upsetting
Forging stock 1 (c) after thick.
Anti- squeeze refers to be squeezed using anti-extruding mold is counter to the head of the forging stock 1 (c) after jumping-up, has head to obtain
The forging stock 1 (d) of portion inner cavity profile.
It is that the forging stock 1 (d) after anti-squeeze is put into the shaping die cavity of the finishing mold of the utility model that the finishing, which is,
It is interior, shaping is carried out to the head cavity of 1 (d), to obtain that there is the forging stock 1 (e) of head cavity small in the end and big in the middle.
Please continue to refer to shown in Fig. 3, the utility model proposes the concrete operations of finishing procedure implemented of finishing mold
Process is as follows：
First, 1 uplink of upper mold seat, 4 slide downward of annular punch cause the punch end 41 of annular punch lower end to show conjunction
Hold together state.
Then, the head of forging stock 1 (d) is positioned over to the sizing die intracavitary of finishing cavity plate 6, in the head of the forging stock 1 (d)
The opening upwards of chamber.
Then, 1 downlink of upper mold seat is controlled, until punch end 41 is carried out into the head cavity of forging stock 1 (d) completely,
At this point, there are small gap between punch end 41 and the inner wall of head cavity, the lower part of lug boss 42 then with forging stock 1 (d)
Top edge is inconsistent.
Then, 4 upward sliding of annular punch is controlled, punch core 5 enters to the lower end of annular punch 4 and outwardly against described
Punch end 41, the punch end 41 are softened (hexapetalous flower valve point comes) and generate extruding, while protrusion to the inner wall of head cavity
Portion 42 also generates extruding to the inner wall of head cavity, and under 42 combination of extrusion of punch end 41 and lug boss, head cavity has been able to
It is molded into finishing, obtains the forging stock 1 (e) after shaping.
After completing finishing molding, 4 slide downward of annular punch is controlled, punch end 41 restores to close up again, at this point, in control
1 uplink of die holder playbacks, and annular punch 4 smoothly leaves the head cavity of the forging stock 1 (e).
In order to enable the lower end of punch core 5 smoothly enters the lower end of the inner cavity of annular punch 4, as shown in figure 4, excellent at one
It selects in embodiment, the lower end of the punch core 5 is formed with the guide section 51 of wedge shape, the lower part shape of the inner cavity of the annular punch 4
The wedge cavities to match into the shape with the guide section 51.Certainly, the size of the guide section 51 need to be slightly larger than the wedge shape
The size of chamber, to ensure to strut at the punch end 41.
As shown in figure 4, in a preferred embodiment, in order to realize the clamping of forging stock and discharging, the finishing cavity plate 6
Lower section is connected with material returned pawl card 7.
The description with certain particularity detailed enough has been carried out to the utility model above.It is common in fields
It is to be understood by the skilled artisans that the description in embodiment is only exemplary, in the true spirit without departing from the utility model and
All changes are made under the premise of range should all belong to the scope of protection of the utility model.The utility model is claimed
Range is defined by described claims rather than is limited by the foregoing description in embodiment.
Claims (4)
1. a kind of out star wheel forging finishing mold is used to implement the head shaping to out star wheel forging, it is characterised in that：Institute
It states finishing mold and includes upper mold seat and the finishing cavity plate being arranged below the upper mold seat,
Punch set is connected on the upper mold seat, hollow annular punch is worn in the punch set, is worn in the annular punch
Equipped with punch core, the annular punch can be slided up and down along the punch set, and the upper end of the punch core is fixedly attached to described
On upper mold seat, cutting for several lower faces for extending to the annular punch is provided in the axial direction on the outer wall of the annular punch
Seam；
Be formed in the middle part of the finishing cavity plate for accommodate the out star wheel head shaping die cavity, the shaping die cavity with
The annular punch coaxial arrangement；
When the annular punch moves up, the lower end of the annular punch is opened by the punch stud；When the cyclic annular punching
When head moves down, the lower end of the annular punch closes up.
2. out star wheel forging finishing mold as described in claim 1, it is characterised in that：The outer wall upper edge of the annular punch
Axially offer six joint-cuttings.
3. out star wheel forging finishing mold as described in claim 1, it is characterised in that：The lower end of the punch core is formed with
The wedge cavities to match with the shape of the guide section are formed at the guide section of wedge shape, the lower part of the inner cavity of the annular punch.
4. out star wheel forging finishing mold as described in claim 1, it is characterised in that：The lower section connection of the finishing cavity plate
There is material returned pawl card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721388331.2U CN207464083U (en) | 2017-10-25 | 2017-10-25 | A kind of out star wheel forging finishing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721388331.2U CN207464083U (en) | 2017-10-25 | 2017-10-25 | A kind of out star wheel forging finishing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207464083U true CN207464083U (en) | 2018-06-08 |
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ID=62264812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721388331.2U Active CN207464083U (en) | 2017-10-25 | 2017-10-25 | A kind of out star wheel forging finishing mold |
Country Status (1)
| Country | Link |
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| CN (1) | CN207464083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639196A (en) * | 2017-10-25 | 2018-01-30 | 江苏理研科技股份有限公司 | A kind of out star wheel forging finishing mold |
-
2017
- 2017-10-25 CN CN201721388331.2U patent/CN207464083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639196A (en) * | 2017-10-25 | 2018-01-30 | 江苏理研科技股份有限公司 | A kind of out star wheel forging finishing mold |
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