CN110328323A - A kind of car rear axle semi-axis forging and forming technology - Google Patents
A kind of car rear axle semi-axis forging and forming technology Download PDFInfo
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- CN110328323A CN110328323A CN201910752217.0A CN201910752217A CN110328323A CN 110328323 A CN110328323 A CN 110328323A CN 201910752217 A CN201910752217 A CN 201910752217A CN 110328323 A CN110328323 A CN 110328323A
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- rear axle
- forging
- upsetting
- forming technology
- car rear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/12—Making machine elements axles or shafts of specially-shaped cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K29/00—Arrangements for heating or cooling during processing
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- Mechanical Engineering (AREA)
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Abstract
The present invention discloses a kind of car rear axle semi-axis forging and forming technology, is related to car rear axle semi-axis processing technique field, comprising steps of (1) blanking；Choose diameter be D, the circular bar that length is L；(2) blank heating；Circular bar is heated in intermediate frequency inductance furnace；(3) rear axle shaft bar portion rollforming；Passes n is calculated, mold type groove system is selected, lives workpiece with manipulator clamping and carry out roll forging in each passage forge rolling die respectively；(4) upsetting of rear axle shaft head shapes；Last a time roll forging part is moved on upsetter, the next upsetting in progress head of locating clip obtains the flange portions of rear axle shaft.Car rear axle semi-axis forging and forming technology provided by the invention, high production efficiency, good product quality.
Description
Technical field
The present invention relates to car rear axle semi-axis processing technique fields, more particularly to a kind of car rear axle semi-axis forging and molding
Technique.
Background technique
Rear axle shaft, also referred to as drive shaft are the important spare parts of formed automobile transmission system, be connected to differential mechanism with
Between driving wheel, for transmitting the torque between driving wheel and differential mechanism, semi-axis structure may be roughly divided into bar portion, spline and method
Blue disk three parts.In the process of moving due to automobile, semiaxis causes micro-crack to cause fatigue disconnected easily under the action of complex stress
It splits, therefore semiaxis is one of highest part of demand in automobile important component.In view of the importance of semi-axis structure and performance, partly
The quality of production of axis must also increase accordingly, it is desirable that we improve under the premise of guaranteeing high half forging shaft intensity, good reliability
Production efficiency realizes full-automation.
Classify according to technology mode, there are mainly three types of the manufacturing process of current half forged shaft:
First is that fetal membrane forges, loose tooling forging is produced using simple die, carries out multiple upsetting forming process on a hydraulic press
Then orchid carries out bar portion pulling on pneumatic hammer.Whole process needs worker hand-manipulated, and stock utilization is low, production efficiency
It is low.
The forging and forming technology of this rear axle shaft has the following problems:
Other opposite production methods, need manual operation, and technology mode falls behind very much；The forging precision produced is low,
It is of poor quality；Stock utilization is low, and waste is serious；Labour cost is larger, is served only for single-piece or small lot production, mass production are not adopted
With this kind of scheme, therefore the present invention does not consider this kind of process program.
Second is that flat forging process mode, using the method and step of this kind of scheme forging rear axle shaft refering to Fig. 3；
It is that multiple jumping-up is carried out on horizontal forging and upsetting machine using the diameter of semiaxis most thin place as the diameter of blank using flat forging process
Poly- material carries out the upsetting forming of head flanges disk again after bar portion forming, because diameter selection is relatively small, ratio of height to diameter is greater than
1.5, upsetting more than twice is generally required, production efficiency is low.
The forging and forming technology of this rear axle shaft has the following problems:
Using the process program of flat forging, forging precision is high, but equipment investment is relatively large, and production is not convenient, general to only have
Relatively large factory can introduce this kind of equipment investment production；Horizontal forging and upsetting machine forming technology is usually by gauge diameter in semiaxis forging drawing
The smallest characteristic segments diameter as blank diameter, if betide ratio of height to diameter deviation of the blank of deformed area in forging process compared with
Greatly, the generation of unstable phenomenon in order to prevent generally requires poly- material more than twice, upsetting, and work step is more, and production stage design is numerous
It is trivial；Forging machine equipment group it is expensive, volume is larger, and mould structure is complicated, the service life is short；
Third is that shaping bar portion --- the combined forging technique of rotary roll ring flange according to the special material gathering die of multi-pass；
It needs to carry out upsetting material gathering more than three times in hydraulic press using this kind of process program to form semiaxis bar portion, then to head
Ring flange carries out pendulum and is ground into shape.
The forging and forming technology of this rear axle shaft has the following problems:
Axle production is carried out using this technique, blank local continuous forming can be made, can be rolled over using the pendulum of smaller tonnage
Machine replaces large-tonnage horizontal forging and upsetting machine, invests for horizontal forging and upsetting machine equipment group less.Using a few procedures designed by this kind of scheme
In, material need to be gathered more than three times by completing a product, and the degree of automation is low, and the production efficiency of half forging shaft is low.
Since second and third kind of process program is the process for using first upsetting formation bar portion post-forming heads ring flange, because
This needs to choose the smallest characteristic segments diameter of gauge diameter as blank diameter when carrying out sorting, carries out multiple upsetting formation bar
Portion, this process is also easy to produce folding, and needs manual operation, and production efficiency is low.
Summary of the invention
The object of the present invention is to provide a kind of car rear axle semi-axis forging and forming technologies, exist to solve the above-mentioned prior art
The problem of, make high production efficiency, good product quality.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of car rear axle semi-axis forging and forming technology, includes the following steps:
(1) blanking；Choose diameter be D, the circular bar that length is L；
(2) blank heating；Circular bar is heated in intermediate frequency inductance furnace；
(3) rear axle shaft bar portion rollforming；Passes n is calculated, mold type groove system is selected, lives work with manipulator clamping
Part carries out roll forging in each passage forge rolling die respectively and completes bar portion forming；
(4) upsetting of rear axle shaft head shapes；Last a time roll forging part is moved on upsetter, locating clip it is next into
The upsetting in wardrobe portion, obtains the flange portions of rear axle shaft.
Optionally, when calculating passes n in step (3), first according to formula
Calculate total coefficient of elongation λz, wherein A0For original blank sectional area, mm2, AnFor blank sectional area, mm after roll forging2；
Then passes n is calculated according to the following formula
In formula: λ is mean coefficient of elongation of the metal in each passage, is chosen between 1.4~1.6.
Optionally, the roll forging die enabling of rear axle shaft bar portion rollforming includes symmetrically arranged upper forge rolling die and lower roll forging
Symmetrical type groove is offered on mould, the upper forge rolling die and lower forge rolling die respectively, the upper forge rolling die and lower forge rolling die are symmetrically pacified
Whole type groove vertical section structure is round or oval after dress.
Optionally, the upsetting die of rear axle shaft head upsetting forming includes symmetrically arranged dynamic cavity plate and determines cavity plate, institute
It states and determines cavity plate and dynamic cavity plate side is provided with punch-pin.
Optionally, in step (4), when the upsetting of rear axle shaft head shapes, in manipulator clamping workpiece transfer to upsetter,
Workpiece is placed on after determining to be positioned on cavity plate, dynamic cavity plate clamps workpiece and fixes, and then punch-pin is under the action of sliding block to work
Part is mobile, completes a upsetting of semiaxis head flanges disk, obtains final half required forging shaft.
The present invention achieves following technical effect compared with the existing technology:
The present invention is mainly accounted for from the forming technology of semiaxis, is met and is being reduced process, reducing cost, raising guarantee
On the basis of forging quality, the production efficiency of forging is effectively improved, rejection rate is reduced, improves production environment, realizes high-volume certainly
The requirement that dynamic metaplasia produces.
Semiaxis bar portion, forging precision are shaped using roll-forging process in car rear axle semi-axis forging and forming technology of the invention
Height can obtain filling complete high-quality semiaxis；The present invention use bar portion multi-pass rollforming --- the upsetting in head at
The combined forming process of shape is, it can be achieved that automated job, input cost is low, high production efficiency；Semiaxis is forged using roll-forging process,
The utilization rate of material not only can be improved, increase production efficiency, rejection rate can also be reduced, reduce energy consumption；Using Medium frequency induction
Heating improves the heating speed and heating uniformity of blank, improves production efficiency；
Car rear axle semi-axis forging and forming technology of the invention is the upsetting in head forming --- bar portion multi-pass roll forging
The combined forming process of forming, two kinds of equipment work at the same time, and the working environment in roll forging workshop is good, and easily total with other forging equipments
With the production-lines of composition, automation, mechanization production are realized.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the flow diagram of car rear axle semi-axis forging and forming technology of the present invention；
Fig. 2 is the example forging drawing of the car rear axle semi-axis of car rear axle semi-axis forging and forming technology of the present invention；
Fig. 3 is the axonometric view of the rear axle shaft of car rear axle semi-axis forging and forming technology of the present invention；
Fig. 3-a is the sectional view in Fig. 3 at rear axle shaft A-A；
Fig. 3-b is the sectional view in Fig. 3 at rear axle shaft B-B；
Fig. 3-c is the sectional view in Fig. 3 at rear axle shaft C-C；
Fig. 3-d is the sectional view in Fig. 3 at rear axle shaft D-D；
Fig. 3-e is the sectional view in Fig. 3 at rear axle shaft E-E；
Fig. 4 is main view of the bar portion of rear axle shaft in car rear axle semi-axis forging and forming technology of the present invention after roll forging
Figure；
Fig. 4-a is the sectional view in Fig. 4 at rear axle shaft bar portion A-A；
Fig. 4-b is the sectional view in Fig. 4 at rear axle shaft bar portion B-B；
Fig. 4-c is the sectional view in Fig. 4 at rear axle shaft bar portion C-C；
Fig. 4-d is the sectional view in Fig. 4 at rear axle shaft bar portion D-D；
Fig. 5 is left view of the rear axle shaft bar portion after roll forging in car rear axle semi-axis forging and forming technology of the present invention；
Fig. 6 is the main view of required blank in car rear axle semi-axis forging and forming technology of the present invention；
Fig. 7 is the left view of required blank in car rear axle semi-axis forging and forming technology of the present invention；
Fig. 8 is the bar portion that blank obtains after the first passage roll forging in car rear axle semi-axis forging and forming technology of the present invention
The main view of first passage roll forging part；
Fig. 8-a is the sectional view in Fig. 8 at bar portion the first passage roll forging part A-A；
Fig. 8-b is the sectional view in Fig. 8 at bar portion the first passage roll forging part B-B；
Fig. 8-c is the sectional view in Fig. 8 at bar portion the first passage roll forging part C-C；
Fig. 8-d is the sectional view in Fig. 8 at bar portion the first passage roll forging part D-D；
Fig. 9 is the bar portion that blank obtains after the first passage roll forging in car rear axle semi-axis forging and forming technology of the present invention
The left view of first passage roll forging part；
Figure 10 is the bar that blank obtains after the second passage roll forging in car rear axle semi-axis forging and forming technology of the present invention
The main view of portion's the second passage roll forging part；
Figure 10-a is the sectional view in Figure 10 at bar portion the second passage roll forging part A-A；
Figure 10-b is the sectional view in Figure 10 at bar portion the second passage roll forging part B-B；
Figure 10-c is the sectional view in Figure 10 at bar portion the second passage roll forging part C-C；
Figure 10-d is the sectional view in Figure 10 at bar portion the second passage roll forging part D-D；
Figure 11 is the bar that blank obtains after the second passage roll forging in car rear axle semi-axis forging and forming technology of the present invention
The left view of portion's the second passage roll forging part；
Figure 12 is the main view of the first passage roll forging die enabling in car rear axle semi-axis forging and forming technology of the present invention；
Figure 12-a is the sectional view in Figure 12 in bar portion the first passage roll forging die enabling left view at A-A；
Figure 12-b is the sectional view in Figure 12 in bar portion the first passage roll forging die enabling left view at B-B；
Figure 12-c is the sectional view in Figure 12 in bar portion the first passage roll forging die enabling left view at C-C；
Figure 12-d is the sectional view in Figure 12 in bar portion the first passage roll forging die enabling left view at D-D；
Figure 13 is the main view of the second passage roll forging die enabling in car rear axle semi-axis forging and forming technology of the present invention；
Figure 13-a is the sectional view in Figure 13 in bar portion the second passage roll forging die enabling left view at A-A；
Figure 13-b is the sectional view in Figure 13 in bar portion the second passage roll forging die enabling left view at B-B；
Figure 13-c is the sectional view in Figure 13 in bar portion the second passage roll forging die enabling left view at C-C；
Figure 13-d is the sectional view in Figure 13 in bar portion the second passage roll forging die enabling left view at D-D；
Figure 14 is car rear axle semi-axis forging and forming technology upsetting die sectional view of the present invention；
Wherein, 1 for dynamic cavity plate, 2 be determine cavity plate, 3 be punch-pin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of car rear axle semi-axis forging and forming technologies, exist to solve the above-mentioned prior art
The problem of, make high production efficiency, good product quality.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The present invention provides a kind of car rear axle semi-axis forging and forming technology, rear axle semi-axis structure such as Fig. 3, Fig. 3-a, Fig. 3-b,
Fig. 3-c, Fig. 3-d, shown in Fig. 3-e, forging and forming technology includes the following steps:
(1) blanking；Choose diameter be D, the circular bar that length is L, structure is as shown in Figure 6 and Figure 7；
(2) blank heating；Circular bar is heated in intermediate frequency inductance furnace；
(3) rear axle shaft bar portion rollforming；Passes n is calculated, mold type groove system is selected, lives work with manipulator clamping
Part carries out roll forging in each passage forge rolling die respectively；Bar portion structure such as Fig. 4, Fig. 4-a, Fig. 4-b, Fig. 4-c, Fig. 4-d after roll forging
With shown in Fig. 5.
(4) upsetting of rear axle shaft head shapes；Last a time roll forging part is moved on upsetter, locating clip it is next into
The upsetting in wardrobe portion, obtains the flange portions of rear axle shaft.
The present invention is shaped in view of the upsetting of flange portions that the diameter of blank needs to meet semiaxis in sorting, bar
Portion is shaped by passes few as far as possible, therefore can choose suitable median as hair according to the specific size of practical work piece
Base diameter finds out blank length according to constant-volume principle, and selection diameter of section is D, and length is the circular bar of L.
1) passes n
The total coefficient of elongation is first calculated according to forging drawing:
In formula: A0- original blank sectional area, mm2
AnBlank sectional area, mm after-roll forging2。
Passes are calculated as follows:
In formula: λ is mean coefficient of elongation of the metal in each passage, and general we choose between 1.4~1.6.
Passes n can be found out according to each section of the total coefficient of elongation.
2) roll forging die enabling structure
When carrying out the selection of type groove system, we need to mainly consider whole stability after blank is placed in type groove, generally
The stability of blank is related with the shape of the shape of blank itself and type groove, such as cross sectional shape is the blank entrance of ellipse
The stability of rectangular type groove is better than the stability into round type groove.
According to the total coefficient of elongation acquired, by relevant calculation, experience and the lengthening coefficient for simulating each passage of reasonable distribution,
The shape of forging after each passage roll forging during roll forging is obtained, as shown in Fig. 4, Fig. 4-a, Fig. 4-b, Fig. 4-c, Fig. 4-d and Fig. 5.
First passage roll forging die enabling consists of two parts, structure composition such as Figure 12, Figure 12-a, Figure 12-b, Figure 12-c, figure
Shown in 12-d；
Second passage roll forging die enabling consists of two parts, structure composition such as Figure 13, Figure 13-a, Figure 13-b, Figure 13-c, figure
Shown in shown in 13-d；
Head upsetting die structure chart
After the bar portion to semiaxis carries out forging and molding, need to carry out upsetting processing to head flange portions,
Head upsetting die is as shown in figure 14, including moves cavity plate 1, determines cavity plate 2 and punch-pin 3.
The step of forging and forming technology of car rear axle semi-axis of the invention, is as follows: as shown in Figure 1, mainly including
1, blanking
The present invention is shaped in view of the upsetting of flange portions that the diameter of blank needs to meet semiaxis in sorting, bar
Portion is pulled out by few passage roll forging to be shaped, therefore can choose suitable median as blank according to the specific size of practical work piece
Diameter.
Relevant calculation is carried out according to known forging drawing, selection diameter of section is D, and length is the circular bar of L.
2, blank heating
The blank that step 1 obtains is heated in medium frequency electric induction heater, so that blank heating is uniform.
3, bar portion rollforming
1) passes n is calculated
2) rollforming
Each passage forge rolling die is designed according to known passes, lives workpiece respectively in each passage using manipulator clamping
Roll forging is carried out in forge rolling die.
4, head upsetting shapes
Present invention employs the combined forming process methods that upsetting-bar portion of half shaft head uses roll forging pulling, in roller
After the completion of forger is made, need to carry out the upsetting of head flanges disk.Refering to fig. 14, use manipulator clamping workpiece transfer to upsetter
On, the upsetting of head flanges disk is carried out, final required blank is obtained.
Embodiment one
The present invention is when carrying out scheme improvement, it is contemplated that the diameter of blank meets the ring flange one of semiaxis during sorting
The ratio of height to diameter of secondary upsetting forming, and bar portion can be shaped by passes few as far as possible, therefore according to the specific ruler of practical work piece
Very little to choose suitable median as blank diameter, for bar portion by rollforming, ring flange is once-forming by upsetting, produces
The forging quality come is good, Yi Shixian automatic production line, high production efficiency.
1, blanking
The present invention is shaped in view of the upsetting of flange portions that the diameter of blank needs to meet semiaxis in sorting, bar
Portion is shaped by passes few as far as possible, therefore can choose suitable median as hair according to the specific size of practical work piece
Base diameter.
The rear axle shaft forging drawing that certain factory according to Fig.2, provides, sorting principle according to the present invention determine that blank is straight
Diameter is 60mm, and the length that circular bar is acquired further according to volume equal principle is 463mm, and blank is as shown in Figure 6 and Figure 7.
2, blank heating
The blank that step 1 obtains is heated in medium frequency electric induction furnace, keeps blank heating uniform.
3, rollforming
1) passes n is calculated
The total coefficient of elongation is first calculated according to forging drawing:
In formula: A0- original blank sectional area, mm2
AnBlank sectional area, mm after-roll forging2。
Passes are calculated as follows:
In formula: λ is mean coefficient of elongation of the metal in each passage, and general we choose between 1.4~1.6.
It is computed, the total coefficient of elongation of each bar portion is respectively as follows:
λ1=1.19, λ2=1.71, λ3=2.48.
Therefore, can find out passes according to each section of the total coefficient of elongation is n=2,
Oval-circle-circular type groove system is generally used for the lower metal stock of roll forging plasticity, therefore the present invention uses
Oval-circle-circular type groove system seamlessly transits inside type groove everywhere, can uniformly cool down, the generation of Crack prevention, obtain
The higher forging of surface quality.
The present invention chooses the forging of forging roll as shown in Fig. 4 to Fig. 5 according to the specific size of half forging shaft after comprehensively considering
Roller radius is 560mm.
1) rollforming
(1) first passage rollforming
Blank after heating that step 2 obtains is clamped into clamping end using manipulator, is sent into the first passage roll forging die enabling,
Upper and lower forge rolling die, which rotates a circle, completes the first passage roll forging that blank is deformed from circular cross-section to elliptic cross-section, that is, obtains first
Passage roll forging part, as shown in Fig. 8, Fig. 8-a, Fig. 8-b, Fig. 8-c, Fig. 8-d to Fig. 9, wherein clamping end diameter is remained unchanged, roll forging
The length of part is 693.61mm.
(2) second passage rollformings
First passage roll forging part is moved to second station by roll forging manipulator, and clamp is by the first passage roll forging part around its axis
Line is rotated by 90 °, and is positioned with the second passage forge rolling die, and upper and lower roll forging die completes the second passage rollforming after rotating a circle, by the
The elliptic cross-section roll forging of a time roll forging part is at circular cross-section, and wherein clamping end diameter remains unchanged, and obtains the second passage roller
Forging, as shown in Figure 10, Figure 10-a, Figure 10-b, Figure 10-c, Figure 10-d to Figure 11, the length of roll forging part is 883mm.
4, upsetting shapes
Refering to fig. 14, it after the completion of roll forging work, needs to carry out ring flange upsetting forming, manipulator clamping workpiece is used to turn
It moves on upsetter, workpiece is placed on after determining to be positioned on cavity plate 2, dynamic cavity plate 1 is fixedly clamped, and then punch-pin 3 is in sliding block
Under the action of move, complete a upsetting of semiaxis head flanges disk, obtain final half required forging shaft.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (5)
1. a kind of car rear axle semi-axis forging and forming technology, characterized by the following steps:
(1) blanking；Choose diameter be D, the circular bar that length is L；
(2) blank heating；Circular bar is heated in intermediate frequency inductance furnace；
(3) rear axle shaft bar portion rollforming；Passes n is calculated, mold type groove system is selected, lives workpiece point with manipulator clamping
Roll forging is not carried out in each passage forge rolling die；
(4) upsetting of rear axle shaft head shapes；Last a time roll forging part is moved on upsetter, the next carry out head of locating clip
The upsetting in portion, obtains the flange portions of rear axle shaft.
2. car rear axle semi-axis forging and forming technology according to claim 1, it is characterised in that: calculate roller in step (3)
When forging passage n, first according to formula
Calculate total coefficient of elongation λz, wherein A0For original blank sectional area, mm2, AnFor blank sectional area, mm after roll forging2；Then
Passes n is calculated according to the following formula
In formula: λ is mean coefficient of elongation of the metal in each passage, is chosen between 1.4~1.6.
3. car rear axle semi-axis forging and forming technology according to claim 1, it is characterised in that: rear axle shaft bar portion roll forging
The roll forging die enabling of forming includes symmetrically arranged upper forge rolling die and lower forge rolling die, is opened respectively on the upper forge rolling die and lower forge rolling die
Equipped with symmetrical type groove, it is round or ellipse that the upper forge rolling die and lower forge rolling die, which are symmetrically installed the type groove vertical section structure of rear entirety,
It is round.
4. car rear axle semi-axis forging and forming technology according to claim 1, it is characterised in that: the upsetting of rear axle shaft head
The upsetting die of forming includes symmetrically arranged dynamic cavity plate and determines cavity plate, described to determine cavity plate and dynamic cavity plate side is provided with punch-pin.
5. car rear axle semi-axis forging and forming technology according to claim 4, it is characterised in that: in step (4), rear axle half
When shaft head upsetting shapes, in manipulator clamping workpiece transfer to upsetter, workpiece is placed on after determining to be positioned on cavity plate,
Dynamic cavity plate clamps workpiece and fixes, and then punch-pin is mobile to workpiece under the action of sliding block, completes the primary of semiaxis head flanges disk
Upsetting obtains final half required forging shaft.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883287A (en) * | 2019-11-29 | 2020-03-17 | 中国航发沈阳黎明航空发动机有限责任公司 | Multi-directional upset forging blank design method based on horizontal forging machine |
| CN112692221A (en) * | 2020-12-31 | 2021-04-23 | 辽宁乾金金属材料开发有限公司 | Automobile half shaft hot processing technology |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947634A (en) * | 2010-09-03 | 2011-01-19 | 东风汽车有限公司 | Forging process for flange of half shaft of automobile rear axle |
| CN102166614A (en) * | 2011-01-04 | 2011-08-31 | 武汉理工大学 | Method and production line for forging forged piece of automobile rear axle driving spiral bevel gear |
| CN106424529A (en) * | 2016-11-28 | 2017-02-22 | 吉林大学 | Forging forming method of triangular aluminum alloy control arm |
| CN107971442A (en) * | 2016-10-25 | 2018-05-01 | 北京机电研究所 | A kind of design method of ultra-large type final blades roll forging mould |
| CN109108194A (en) * | 2018-07-24 | 2019-01-01 | 许昌中兴锻造有限公司 | The heavy novel forging technology of slip shaft yoke |
| CN109940122A (en) * | 2019-03-26 | 2019-06-28 | 吉林大学 | The split type axle box near-net-shape method of standard EMU |
-
2019
- 2019-08-15 CN CN201910752217.0A patent/CN110328323A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947634A (en) * | 2010-09-03 | 2011-01-19 | 东风汽车有限公司 | Forging process for flange of half shaft of automobile rear axle |
| CN102166614A (en) * | 2011-01-04 | 2011-08-31 | 武汉理工大学 | Method and production line for forging forged piece of automobile rear axle driving spiral bevel gear |
| CN107971442A (en) * | 2016-10-25 | 2018-05-01 | 北京机电研究所 | A kind of design method of ultra-large type final blades roll forging mould |
| CN106424529A (en) * | 2016-11-28 | 2017-02-22 | 吉林大学 | Forging forming method of triangular aluminum alloy control arm |
| CN109108194A (en) * | 2018-07-24 | 2019-01-01 | 许昌中兴锻造有限公司 | The heavy novel forging technology of slip shaft yoke |
| CN109940122A (en) * | 2019-03-26 | 2019-06-28 | 吉林大学 | The split type axle box near-net-shape method of standard EMU |
Non-Patent Citations (2)
| Title |
|---|
| 杨慎华等: "轿车连杆精密辊锻―液压模锻锤模锻复合工艺", 《机械工人 热加工》 * |
| 高锦张: "《塑性成形工艺与模具设计》", 31 August 2001, 机械工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883287A (en) * | 2019-11-29 | 2020-03-17 | 中国航发沈阳黎明航空发动机有限责任公司 | Multi-directional upset forging blank design method based on horizontal forging machine |
| CN112692221A (en) * | 2020-12-31 | 2021-04-23 | 辽宁乾金金属材料开发有限公司 | Automobile half shaft hot processing technology |
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