CN105880445B - Electric screw press steyr knuckle closed forging method - Google Patents
Electric screw press steyr knuckle closed forging method Download PDFInfo
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- CN105880445B CN105880445B CN201410498210.8A CN201410498210A CN105880445B CN 105880445 B CN105880445 B CN 105880445B CN 201410498210 A CN201410498210 A CN 201410498210A CN 105880445 B CN105880445 B CN 105880445B
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- knuckle
- shaping upper
- electric screw
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- head
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Abstract
The invention discloses a kind of electric screw press steyr knuckle closed forging methods, including driving lever swage block, knuckle enclosed sub-material mould, the bottom surface middle part of knuckle shaping upper, electric screw press, knuckle shaping upper is equipped with die cavity, it is equipped in the two sides of die cavity and shunts pressure letdown chamber, following steps: step A, selecting diameter is the round steel of 130mm, first one-step forming；Finished product in step A is stood and completes round steel head jumping-up and enclosed sub-material to being placed in the head of finished product in knuckle enclosed sub-material mould by step B；Finished product in step B is placed in knuckle molding lower die by step C, and the head of jumping-up is placed upwards, and lid closes knuckle shaping upper；Step D starts electric screw press and acts on the top of knuckle shaping upper, completes finished product after knuckle shaping upper and knuckle molding lower die closure.Method of the invention is easy to operate, production high-efficient and reduces equipment cost, and high in machining efficiency and machining accuracy is high.
Description
Technical field
The invention belongs to steyr knuckle processing technique fields, and in particular to a kind of electric screw press steyr turn
To section closed forging method.
Background technique
Steyr heavy truck knuckle is a critical component on heavy-duty car, and the processing technology of the prior art mainly uses
Hot die forging press, multistation die forging are once formed, although the advantages that high production efficiency, the equipment used is more, if
Standby investment is big, and human cost is higher, while the quality processed to a certain extent is difficult to be guaranteed, and practicability is by shadow
It rings.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of simple process, high in machining efficiency and machining accuracy are high
Electric screw press steyr knuckle closed forging method.
The technical solution for realizing the object of the invention is a kind of electric screw press steyr knuckle closed forging method,
Including driving lever swage block, knuckle enclosed sub-material mould, knuckle shaping upper, the steering matched with the knuckle shaping upper
The bottom surface middle part of the electric screw press of section molding lower die and offer power, institute's knuckle shaping upper is equipped with die cavity, in institute
The two sides for stating die cavity are symmetrically arranged with shunting pressure letdown chamber, and specific method includes the following steps:
Step A, select diameter be 130mm round steel, using driving lever type bore cooperation 750Kg pneumatic hammer make round steel tentatively at
Type；
Finished product in step A is stood to the head of finished product is placed in knuckle enclosed sub-material mould, is started electronic by step B
Fly press completes round steel head jumping-up and enclosed sub-material；
Finished product in step B is placed in knuckle molding lower die by step C, and the head of jumping-up is placed upwards, Gai He
Knuckle shaping upper, the head of jumping-up is connected in the die cavity of knuckle shaping upper at this time；
Step D starts electric screw press and acts on the top of knuckle shaping upper, makes knuckle shaping upper
Heading is squeezed gradually downward, and the material for gradually making heading extra, which enters, to be shunted in pressure letdown chamber, when in knuckle molding
Finished product is completed after mould and knuckle molding lower die closure.
The bottom of chamber for shunting pressure letdown chamber is equipped with compressed spring, is equipped with movable drain plug, institute at the top of the compressed spring
It states to shunt and be connected at the top of pressure letdown chamber and die cavity.
Knuckle molding lower die includes die cavity and upward boss, in processing, the bottom end of heading be connected to
The top of convex platform.
The driving lever swage block includes swage block ontology, type groove is equipped in the middle top surface of the swage block ontology, in the type groove
One end be equipped with round head type hole, the bottom of the type groove is closing setting, and the round head type hole is penetrating setting.
The knuckle enclosed sub-material mould includes heading chamber and connection rod cavity, the heading chamber and the connection
Rod cavity is connected setting.
The present invention has the effect of positive: method of the invention is easy to operate, the knuckle shaping upper of use and steering
The structurally reasonable of lower die is saved, upper backform chamber two sides is formed in knuckle and is symmetrically arranged with shunting pressure letdown chamber, in process, jumping-up
Extra material can enter and shunt pressure letdown chamber at the time of molding on head, ensure that the precision of formed product to a certain extent, and adopt
The finished product made of this method, non-trimming generate, and produce high-efficient and set compared to existing technologies without excessive
It is standby to prepare, equipment cost is reduced to a certain extent, and high in machining efficiency and machining accuracy is high.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail, in which:
Fig. 1 is method flow structural block diagram of the invention；
Fig. 2 is the structural schematic diagram of knuckle shaping upper of the invention；
Fig. 3 is the structural schematic diagram that knuckle of the invention forms lower die；
Fig. 4 is the structural schematic diagram of driving lever swage block of the invention；
Fig. 5 is the structural schematic diagram of knuckle enclosed sub-material mould of the invention；
Fig. 6 is diagrammatic cross-section when knuckle shaping upper and knuckle of the invention form the combination of lower die；
Fig. 7 is A-A the schematic diagram of the section structure in Fig. 2.
Specific embodiment
(embodiment 1)
Fig. 1 to Fig. 7 shows a kind of specific embodiment of the invention, and wherein Fig. 1 is method flow structure of the invention
Block diagram；Fig. 2 is the structural schematic diagram of knuckle shaping upper of the invention；Fig. 3 is the knot that knuckle of the invention forms lower die
Structure schematic diagram；Fig. 4 is the structural schematic diagram of driving lever swage block of the invention；Fig. 5 is the knot of knuckle enclosed sub-material mould of the invention
Structure schematic diagram；Fig. 6 is diagrammatic cross-section when knuckle shaping upper and knuckle of the invention form the combination of lower die；Fig. 7 is
A-A the schematic diagram of the section structure in Fig. 2.
See Fig. 1 to Fig. 7, a kind of electric screw press steyr knuckle closed forging method, including driving lever swage block 1,
Knuckle enclosed sub-material mould 2, knuckle shaping upper 3, the knuckle molding lower die matched with the knuckle shaping upper 3
4 and the electric screw press of power is provided, die cavity 31 is equipped in the middle part of the bottom surface of institute's knuckle shaping upper 3, in the die cavity
31 two sides, which are symmetrically arranged with, shunts pressure letdown chamber 32, and specific method includes the following steps:
Step A, select diameter be 130mm round steel, using driving lever type bore cooperation 750Kg pneumatic hammer make round steel tentatively at
Type；
Finished product in step A is stood to the head of finished product is placed in knuckle enclosed sub-material mould, is started electronic by step B
Fly press completes round steel head jumping-up and enclosed sub-material；
Finished product in step B is placed in knuckle molding lower die by step C, and the head of jumping-up is placed upwards, Gai He
Knuckle shaping upper, the head of jumping-up is connected in the die cavity of knuckle shaping upper at this time；
Step D starts electric screw press and acts on the top of knuckle shaping upper, makes knuckle shaping upper
Heading is squeezed gradually downward, and the material for gradually making heading extra, which enters, to be shunted in pressure letdown chamber, when in knuckle molding
Finished product is completed after mould and knuckle molding lower die closure.
The bottom of chamber for shunting pressure letdown chamber 32 is equipped with compressed spring 33, and it is stifled to be equipped with activity at the top of the compressed spring 33
First 34, the shunting pressure letdown chamber 32 is connected with the top of die cavity 31.
The knuckle molding lower die 4 includes die cavity 41 and upward boss 42, and in processing, the bottom end of heading 5 is supported
It connects at the top of upward boss 42.
The driving lever swage block 1 includes swage block ontology 11, type groove 12 is equipped in the middle top surface of the swage block ontology 11, in institute
The one end for stating type groove 12 is equipped with round head type hole 13, and the bottom of the type groove 12 is closing setting, the round head type hole
13 be penetrating setting.
The knuckle enclosed sub-material mould 2 includes heading chamber 21 and connection rod cavity 22, the heading chamber 21 with
The connection rod cavity 22 is connected setting.
Method of the invention is easy to operate, the knuckle shaping upper of use and knuckle lower die it is structurally reasonable, turning
Upper backform chamber two sides, which are formed, to section is symmetrically arranged with shunting pressure letdown chamber, in process, heading extra material at the time of molding
Material, which can enter, shunts pressure letdown chamber, ensure that the precision of formed product to a certain extent, and using finished product made of this method, nothing
Overlap generates, and produce high-efficient and prepares compared to existing technologies without excessive equipment, reduces to a certain extent
Equipment cost, high in machining efficiency and machining accuracy are high.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to the obvious changes or variations that connotation of the invention is extended out and still falls within protection scope of the present invention.
Claims (3)
1. a kind of electric screw press steyr knuckle closed forging method, including driving lever swage block, knuckle enclosed sub-material
Mould, knuckle shaping upper, the knuckle matched with the knuckle shaping upper form lower die and provide the electronic of power
Fly press, it is characterised in that: die cavity is equipped in the middle part of the bottom surface of institute's knuckle shaping upper, it is symmetrical in the two sides of the die cavity
Equipped with pressure letdown chamber is shunted, specific method includes the following steps:
Step A, selecting diameter is the round steel of 130mm, one-step forming at the beginning of making round steel using the pneumatic hammer that driving lever type bores cooperation 750Kg；
Finished product in step A is stood to the head of finished product is placed in knuckle enclosed sub-material mould, starts electric screw by step B
Press machine completes round steel head jumping-up and enclosed sub-material；
Finished product in step B is placed in knuckle molding lower die by step C, and the head of jumping-up is placed upwards, and lid, which closes, to be turned to
Shaping upper is saved, the head of jumping-up is connected in the die cavity of knuckle shaping upper at this time；
Step D starts electric screw press and acts on the top of knuckle shaping upper, makes knuckle shaping upper gradually
Be pressed down against heading, the material for gradually making heading extra enter shunt pressure letdown chamber in, when knuckle shaping upper with
Finished product is completed after knuckle molding lower die closure；The bottom of chamber for shunting pressure letdown chamber is equipped with compressed spring, in the compressed spring
Top be equipped with movable drain plug, be connected at the top of the shunting pressure letdown chamber and die cavity；The knuckle molding lower die includes mould
Chamber and upward boss, in processing, the bottom end of heading is connected to the top of upward boss.
2. electric screw press steyr knuckle closed forging method according to claim 1, it is characterised in that: institute
Stating driving lever swage block includes swage block ontology, is equipped with type groove in the middle top surface of the swage block ontology, is equipped in one end of the type groove
Round head type hole, the bottom of the type groove are closing setting, and the round head type hole is penetrating setting.
3. electric screw press steyr knuckle closed forging method according to claim 2, it is characterised in that: institute
Stating knuckle enclosed sub-material mould includes heading chamber and connection rod cavity, and the heading chamber is connected with the connection rod cavity
Setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498210.8A CN105880445B (en) | 2014-09-26 | 2014-09-26 | Electric screw press steyr knuckle closed forging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498210.8A CN105880445B (en) | 2014-09-26 | 2014-09-26 | Electric screw press steyr knuckle closed forging method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105880445A CN105880445A (en) | 2016-08-24 |
| CN105880445B true CN105880445B (en) | 2018-12-04 |
Family
ID=57000799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410498210.8A Active CN105880445B (en) | 2014-09-26 | 2014-09-26 | Electric screw press steyr knuckle closed forging method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105880445B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676071A (en) * | 2019-02-18 | 2019-04-26 | 湖北三环锻造有限公司 | A kind of net forming technology of drum-type knuckle flange pressure-sizing and mold |
| CN113399609B (en) * | 2021-06-08 | 2024-03-19 | 合肥工业大学 | Shaft-disc-fork force transmission key piece hot near forming control method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63207439A (en) * | 1987-02-20 | 1988-08-26 | Aichi Steel Works Ltd | Rough forging die |
| US4967584A (en) * | 1988-02-19 | 1990-11-06 | Nissan Motor Co., Ltd. | Method of making a forging in closed-dies |
| JPH11179476A (en) * | 1997-12-24 | 1999-07-06 | Toyota Motor Corp | Forging method for roughly formed material having bent body part |
| CN2871060Y (en) * | 2005-10-31 | 2007-02-21 | 华中科技大学 | Closed geared cold precisive forging mould of straight-toothed shaped cone |
| CN101670417B (en) * | 2009-09-29 | 2011-08-17 | 重庆凯恩机械制造有限公司 | Steering knuckle forging molding process of heavy truck |
| CN201537672U (en) * | 2009-11-17 | 2010-08-04 | 芜湖新达锻造有限公司 | Vehicle steering knuckle forging die |
| CN201558927U (en) * | 2009-11-17 | 2010-08-25 | 芜湖新达锻造有限公司 | Mold for manufacturing knuckle arm |
| CN101972835B (en) * | 2010-09-10 | 2012-07-04 | 湖北三环锻造有限公司 | Closed forging technique for steering knuckle |
| CN102240774B (en) * | 2011-06-02 | 2013-07-24 | 重庆创精温锻成型有限公司 | Fine forging forming method of spiral bevel gears |
| CN202224579U (en) * | 2011-08-15 | 2012-05-23 | 合肥工业大学 | A straight tooth cylindrical gear forming die with tooth end bypass flow cavities |
| CN102489659A (en) * | 2011-11-16 | 2012-06-13 | 日照市七星汽车部件有限公司 | Method for forging steering knuckle |
| CN102814449A (en) * | 2012-08-30 | 2012-12-12 | 太仓一标精密模具有限公司 | Easily demoulded half die |
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2014
- 2014-09-26 CN CN201410498210.8A patent/CN105880445B/en active Active
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| CN105880445A (en) | 2016-08-24 |
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