CN207372048U - A kind of cold extrusion mould for the shaping of speed torque-converters hub - Google Patents
A kind of cold extrusion mould for the shaping of speed torque-converters hub Download PDFInfo
- Publication number
- CN207372048U CN207372048U CN201721038037.9U CN201721038037U CN207372048U CN 207372048 U CN207372048 U CN 207372048U CN 201721038037 U CN201721038037 U CN 201721038037U CN 207372048 U CN207372048 U CN 207372048U
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- CN
- China
- Prior art keywords
- lower die
- punch
- core
- speed torque
- shaping
- Prior art date
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Abstract
The utility model provides a kind of cold extrusion mould for the shaping of speed torque-converters hub, including：Upper mold, the upper mold includes annular punch, the outer cover of the annular punch is equipped with punch set, the inside of the annular punch is equipped with punch core, the lower end of the annular punch is contracted to the interior intracavitary of the punch set, the lower end of the punch core is extended downwardly out outside the inner cavity of the annular punch, and being formed with cricoid first between the punch set and the punch core squeezes space；Lower die, the lower die includes lower die outer ring and lower die inner ring, lower die mold core is equipped in the lower die inner ring, the die cavity to match with the shape of the speed torque-converters hub is formed in the lower die mold core, the upper end of the lower die inner ring is contracted to the interior intracavitary of the lower die outer ring, the upper end of the lower die mold core is extended upward outside the inner cavity of the lower die inner ring, and cricoid second is formed between the lower die outer ring and the lower die mold core and squeezes space.
Description
Technical field
The utility model is related to precision metals to forge field, the more particularly to cold extrusion mould for the shaping of speed torque-converters hub
Tool.
Background technology
Speed torque-converters hub is mounted in speed torque-converters, and machining accuracy directly determines the speed change of speed torque-converters
Performance.Referring to Fig. 1, it is a kind of structure diagram of speed torque-converters hub 100.The speed torque-converters hub 100 is wrapped
Thinner bar portion 101 and thicker head 102 are included, the upper surface on the head is recessed to form inner cavity 102, the lower end on the head
Face is formed with cricoid card slot 103.
In the prior art, the general hot forging process using 1000 DEG C or so completes the forging and molding of speed torque-converters hub.
But in hot forging process, the oxidation on the surface of blank is very serious.Therefore, in order to complete the final shaping of product, generally require
Appearance facing is carried out to blank.Turning process not only reduces the production efficiency of product, and can generate a large amount of waste materials, increases
The production cost of product is added.
Utility model content
For above-mentioned technical problem, the utility model proposes a kind of cold extrusion moulds for the shaping of speed torque-converters hub
Tool, specific technical solution are as follows：
A kind of cold extrusion mould for the shaping of speed torque-converters hub, including：
Upper mold, the upper mold include annular punch, and the outer cover of the annular punch is equipped with punch set, the annular punch
Inside be equipped with punch core, the lower end of the annular punch is contracted to the interior intracavitary of the punch set, under the punch core
End is extended downwardly out outside the inner cavity of the annular punch, and being formed with cricoid first between the punch set and the punch core squeezes
Press space；
Lower die, the lower die includes lower die outer ring and lower die inner ring, lower die mold core is equipped in the lower die inner ring, described
The die cavity to match with the shape of the speed torque-converters hub is formed in lower die mold core, the upper end of the lower die inner ring is shunk
To the interior intracavitary of the lower die outer ring, the upper end of the lower die mold core is extended upward outside the inner cavity of the lower die inner ring, described
Cricoid second is formed between lower die outer ring and the lower die mold core and squeezes space；
When the upper mold 1 moves down, the lower end of the punch core is downwardly into the die cavity, the punch set
Lower end is upwardly into described second and squeezes space, and the upper end of the lower die mold core, which is upwardly into described first, squeezes space.
In certain embodiments, it is inclined outwardly to form the first guiding surface on the inside of the lower face of the punch set,
The upper surface of the lower die mold core is inclined outwardly to form the second guiding surface.
In certain embodiments, the ejector beam being arranged below the die cavity is further included.
Compared with hot forging process of the prior art, the utility model can complete the cold-extruded of speed torque-converters hub into
Shape.So as to improve production efficiency, production cost is reduced.In addition, completing the shaping of product using the utility model, can make
It is finer and close to obtain the inner metal structures of product, so as to improve the intensity of product.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing 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 having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.Wherein：
Fig. 1 is a kind of structure diagram of speed torque-converters hub；
Fig. 2 is the structure diagram of the cold extrusion mould for the shaping of speed torque-converters hub of the utility model.
Specific embodiment
To enable the above-mentioned purpose of the utility model, feature and advantage 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.
Referring to Fig. 2, Fig. 2 is the structure diagram of the shaping dies of the speed torque-converters hub of the utility model.
As shown in Fig. 2, cold extrusion mould provided by the utility model includes：
Upper mold 1, the upper mold 1 include annular punch 12, and the outer cover of the annular punch 12 is equipped with punch set 11, described
The inside of annular punch 12 is equipped with punch core 13, and the lower end of the annular punch 12 is contracted to the inner cavity of the punch set 11
Interior, the lower end of the punch core 13 is extended downwardly out outside the inner cavity of the annular punch 12, the punch set 11 and the punch
Cricoid first is formed between core 13 and squeezes space.
Lower die 2, the lower die 2 include lower die outer ring 21 and lower die inner ring 22, lower die are equipped in the lower die inner ring 22
Mold core 23 is formed with the die cavity to match with the shape of the speed torque-converters hub, the lower die in the lower die mold core 23
The upper end of inner ring 22 is contracted to the interior intracavitary of the lower die outer ring 21, the upper end of the lower die mold core 23 extend upward it is described under
Outside the inner cavity of mould inner ring 22, cricoid second is formed between the lower die outer ring 21 and the lower die mold core 23 and squeezes space.
When the upper mold 1 moves down, the lower end of the punch core 13 is downwardly into the die cavity, the punch set
11 lower end is upwardly into described second and squeezes space, and the upper end of the lower die mold core 23, which is upwardly into described first, to be squeezed
Space.
The operation principle of the utility model is as follows：
During extruding, first by blank, (blank has 102 profile of bar portion 101 and head, is formed on the upper surface on head 102
Recessed inner cavity 103) it is put into die cavity, at this point, the lower face on the head 102 of blank is supported on the upper surface of mould mold core 23
On, the lower end of the bar portion 101 of blank enters in die cavity, is remained between the lower face of bar portion 101 of blank and the bottom of die cavity
Larger gap.
Control 1 downlink of upper mold so that the bottom of the lower face of punch core 13 and the inner cavity 103 of blank completely attaches to, annular
The upper surface on the lower face of punch 12 and the head 102 of blank completely attaches to, and the lower end of punch set 11 stretches to the second extruding sky
In.
Control upper mold 1 continues traveling downwardly, and punch core 13 and annular punch 12 are synchronously pressed down against the inner cavity 103 and head of blank
102 upper surface, the bar portion 101 of blank are moved down along die cavity.Synchronously, lower die mold core 23 upward head 102
Lower face simultaneously causes the material of corresponding position to flow to form cricoid card slot 103 around.When upper mold 1 comes downwards to extreme position
When, extrusion forming step terminates.
In certain embodiments, it is inclined outwardly that form the first guiding oblique on the inside of the lower face of punch set 11
Face.First guiding surface reduces the extrusion stress suffered by mold, extends the service life of mold.Simultaneously so that
The flowing of material is more smooth, improves extruding efficiency.
In certain embodiments, the upper surface of the lower die mold core 23 is inclined outwardly to form the second guiding surface.Institute
Stating the second guiding surface causes the upper end of the lower die mold core 23 to form wedge structure, so that the flowing of material is more suitable
Freely, extruding efficiency is improved.
In certain embodiments, the shaping dies further includes the ejector beam 24 being arranged below the die cavity.It squeezes
After molded, the ejector beam 24 is controlled to move up, it being capable of ejecting product easily.
Compared with prior art, the utility model can complete the cold extrusion forming of speed torque-converters hub, improve production
The production efficiency of product reduces the production cost of product.
In addition, completing the cold extrusion forming of product using the utility model, the inner metal structures of product are enabled to more
Densification, so as to improve the intensity of product.
Above description fully discloses specific embodiment of the present utility model.It is pointed out that it is familiar with the neck
The technical staff in domain is to any change that specific embodiment of the present utility model is done all without departing from the right of the utility model
The scope of claim.Correspondingly, the scope of the claim of the utility model is also not limited only to foregoing specific embodiment party
Formula.
Claims (4)
1. a kind of cold extrusion mould for the shaping of speed torque-converters hub, which is characterized in that it includes：
Upper mold, the upper mold include annular punch, and the outer cover of the annular punch is equipped with punch set, the annular punch it is interior
Portion is equipped with punch core, and the lower end of the annular punch is contracted to the interior intracavitary of the punch set, the lower end of the punch core to
Under extend outside the inner cavity of the annular punch, be formed between the punch set and the punch core cricoid first squeeze it is empty
Between；
Lower die, the lower die include lower die outer ring and lower die inner ring, lower die mold core, the lower die are equipped in the lower die inner ring
The die cavity to match with the shape of the speed torque-converters hub is formed in mold core, the upper end of the lower die inner ring is contracted to institute
The interior intracavitary of lower die outer ring is stated, the upper end of the lower die mold core is extended upward outside the inner cavity of the lower die inner ring, the lower die
Cricoid second is formed between outer ring and the lower die mold core and squeezes space；
When the upper mold moves down, the lower end of the punch core is downwardly into the die cavity, the lower end of the punch set
It is upwardly into described second and squeezes space, the upper end of the lower die mold core, which is upwardly into described first, squeezes space.
2. as described in claim 1 for the cold extrusion mould of speed torque-converters hub shaping, which is characterized in that the punch set
Lower face on the inside of be inclined outwardly to form the first guiding surface.
3. as described in claim 1 for the cold extrusion mould of speed torque-converters hub shaping, which is characterized in that the lower die mould
The upper surface of core is inclined outwardly to form the second guiding surface.
4. as described in claim 1 for the cold extrusion mould of speed torque-converters hub shaping, which is characterized in that it, which is further included, sets
Put the ejector beam below the die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721038037.9U CN207372048U (en) | 2017-08-18 | 2017-08-18 | A kind of cold extrusion mould for the shaping of speed torque-converters hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721038037.9U CN207372048U (en) | 2017-08-18 | 2017-08-18 | A kind of cold extrusion mould for the shaping of speed torque-converters hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207372048U true CN207372048U (en) | 2018-05-18 |
Family
ID=62342652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721038037.9U Expired - Fee Related CN207372048U (en) | 2017-08-18 | 2017-08-18 | A kind of cold extrusion mould for the shaping of speed torque-converters hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207372048U (en) |
-
2017
- 2017-08-18 CN CN201721038037.9U patent/CN207372048U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 224100 feddong Road, Dafeng District, Yancheng City, Jiangsu Province, No. 9 Patentee after: Jiangsu Sunway Group Feida Co., Ltd. Address before: 224100 Feida East Road, Yancheng City, Jiangsu Province, No. 9 Patentee before: Jiangsu Sunway Group Feida Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20200818 |