CN106180531A - A kind of half-shaft blank hydraulic press forging system and processing method - Google Patents
A kind of half-shaft blank hydraulic press forging system and processing method Download PDFInfo
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- CN106180531A CN106180531A CN201610764789.7A CN201610764789A CN106180531A CN 106180531 A CN106180531 A CN 106180531A CN 201610764789 A CN201610764789 A CN 201610764789A CN 106180531 A CN106180531 A CN 106180531A
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- upsetting
- hydraulic press
- poly
- oil pressure
- lower mold
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of half-shaft blank hydraulic press forging system, it includes pre-gathering apparatus and the oil pressure shaped device being set up in parallel, described pre-gathering apparatus includes poly-material mould and pre-upsetting lower mold, poly-material mould lower end is provided with the poly-material mouth of cone, connect with prod cast set above the poly-material mouth of cone, prod cast set slides and is provided with poly-material depression bar, pre-upsetting lower mold upper end is provided with the lower die orifice of cylinder, oil pressure shaped device includes forming punching head and molding lower mold, forming punching head lower end is provided with half shaft flange outer face shaping mold cavity, molding lower mold is provided with half shaft flange inner face and semiaxis axle body shaping mold cavity.The present invention uses pre-upsetting technique and oil pressure moulding process, by changing different moulds, can realize the process of axle shaft of multi items, quality assurance, invest little, is suitable for large, medium-sized enterprises' investment, can realize good productivity effect.
Description
Technical field
The invention belongs to technical field of forging, relate to a kind of half-shaft blank hydraulic press forging system and processing method.
Background technology
At present, auto parts and components semiaxis forging process technology generally has a following two:
The first uses pneumatic hammer dead man to add the mode of production of pneumatic hammer Closed-Pattern Match Forging Technique, and pattern is: pneumatic hammer adds pneumatic hammer mould
Formula, process route: blanking, sensing entirety heating, pneumatic hammer dead man, open die forging is thick, pre-formed, and pneumatic hammer ring flange shapes.
The advantage of this technology is that available existing facilities air hammer pulls out cone bar, and the input of equipment is little；Shortcoming is owing to adopting
Pulling out cone bar with pneumatic hammer, being operated level by operator is affected bias, the twisted situation of producing, and its technique falls behind, forging
Precision is low, and workpiece surface quality is poor, and following process surplus is big, and percent defective is high, and labor strength is big, loose tool is perishable, easy to wear,
Cost is high, and productivity ratio is low, works the most unstable, poor working environment, can only adapt to small batch and produce.
The second uses the pre-upsetting of hydraulic press to add the mode of production of hydraulic press flange forming: hydraulic press adds hydraulic press mould, technique
Route: blanking, the heating of sensing local, the poly-material of hydraulic press, local repair temperature, hydraulic press ring flange shapes.
The advantage of this technology is to utilize bar excircle orientation, is not affected by operator's factor, accurate positioning, product matter
Amount is stable, and material consumption is few；1, production efficiency is high；2, labor intensity is low；3, production cost is low；4, size is the highest, adds spare time
Measure little, material-saving；5, the energy is saved；6, stable working, has started the epoch of steam power metal forming machinery, shakes little；7, noise is little.
Shortcoming is that the disposable of equipment puts into relatively greatly, and this technique adapts to produce in enormous quantities.
Summary of the invention
It is an object of the invention to provide a kind of half-shaft blank hydraulic press forging system and processing method, different by changing
Mould, the method that can be achieved with the forging processing of multi items auto parts and components.
One of technical scheme:
A kind of half-shaft blank hydraulic press forging system, it includes pre-gathering apparatus and the oil pressure shaped device being set up in parallel, described pre-
Gathering apparatus includes that poly-material mould and pre-upsetting lower mold, poly-material mould lower end are provided with the poly-material mouth of cone, above the poly-material mouth of cone with
Prod cast set connection, slides in prod cast set and is provided with poly-material depression bar, and pre-upsetting lower mold upper end is provided with the lower die orifice of cylinder, and oil pressure molding fills
Putting and include forming punching head and molding lower mold, forming punching head lower end is provided with half shaft flange outer face shaping mold cavity, and molding lower mold is provided with
Half shaft flange inner face and semiaxis axle body shaping mold cavity.
Further, described pre-gathering apparatus also includes pre-upsetting hydraulic press, and poly-material mould is arranged on the pressure head of pre-upsetting hydraulic press, poly-
Material depression bar is connected with the depression bar on pre-upsetting hydraulic press pressure head, and pre-upsetting lower mold is arranged on pre-upsetting hydraulic press by pre-upsetting lower mould clamping device body
On workbench, pre-upsetting hydraulic press operating platform is provided with semiaxis pre-upsetting axle body resigning hole or slot to make way.
Further, described pre-upsetting lower mold includes that left half module and right half module, pre-upsetting lower mould clamping device body include left clamp body and the right side
Clamp body, left half module is connected with left clamp body, and right half module is connected with right clamp body, and left clamp body and right clamp body are at least
Clamp body is flexibly connected with pre-upsetting hydraulic press operating platform.
Further, left clamp body and right clamp body at least clamp body are by oil pressure pump and pre-upsetting hydraulic press operating platform
Being flexibly connected, oil pressure pump is connected by oil pressure pipe or control signal with hydraulic press.
Further, oil pressure shaped device also includes molding hydraulic press, and forming punching head is arranged on molding by plunger holder body
Hydraulic press pressure head on, molding lower mold is arranged on molding hydraulic press operating platform by molding lower mould clamping device body, molding oil pressure
Machine worktable is provided with semiaxis axle body resigning hole or slot to make way.
The two of technical scheme:
A kind of processing method of half-shaft blank hydraulic press forging, it includes pre-upsetting technique and oil pressure moulding process, it is characterised in that
Pre-upsetting technique is:
(1) first poly-material mould is arranged on hydraulic press top, more left half module and right half module are arranged on workbench and clamp body, add
After heat, bar is placed on the die orifice position of pre-upsetting lower mold, and bar temperature reaches 1050-1200 degree, left half module and right half module at oil pressure
Synchronize when machine starts to be combined and pin the pre-upsetting lower mold of formation；
(2) pre-upsetting hydraulic press pressure head first drives poly-material mould down to move, and the depression bar on pre-upsetting hydraulic press pressure head drives poly-material pressure again
Bar down moves, and when poly-material mould moves in pre-upsetting lower mold, poly-material depression bar moves to the prod cast running-on position of poly-material mouth, will heating
The pre-upsetting of rear bar becomes semiaxis ring flange to pre-upset base, and after then poly-material depression bar, poly-material mould rise, left half module and right half module are beaten simultaneously
Opening, take out semiaxis ring flange and pre-upset base, whole pre-upsetting process completes；
Oil pressure moulding process is:
Semiaxis ring flange base of pre-upsetting is mended Wen Kongzhong at heating furnace and is carried out mending temperature, after move to another hydraulic press and carry out ring flange one-tenth
Type.
Further, oil pressure moulding process is:
.(1) the molding lower mold that base of being pre-upset by the warm later half shaft flange dish of benefit is put on molding hydraulic press operating platform, after mending temperature be
1050-1200 degree, by starting hydraulic press, forming punching head down moves, and moves in molding lower mold, will mend warm later half shaft flange
Dish base oil pressure of pre-upsetting becomes semiaxis blank；
(2) then forming punching head up moves, and takes out semiaxis blank, and whole oil pressure forming process is fully completed.
The present invention uses pre-upsetting technique and oil pressure moulding process, by changing different moulds, can realize the half of multi items
Axle is processed, and the quality assurance, invests little, is suitable for large, medium-sized enterprises' investment, can realize good productivity effect.
Compared with prior art: the forging system of employing and process route are entirely different；Creative: blank hydraulic press forges
System includes that the pre-gathering apparatus being set up in parallel and oil pressure shaped device and conventional pneumatic hammer dead man add pneumatic hammer Closed-Pattern Match Forging Technique
Entirely different, pre-gathering apparatus and oil pressure shaped device utilize hydraulic system to complete operation, and convenient and swift, and pneumatic hammer dead man
Add pneumatic hammer Closed-Pattern Match Forging Technique and mainly shaped operation by pneumatic hammer dead man and pneumatic hammer ring flange, labor strength is big,
Loose tool is perishable, easy to wear, and cost is high, and productivity ratio is low, works the most unstable, poor working environment, can only adapt to small batch and produce,
And hydraulic press forging system and extraordinary these problems that solves of processing method, economic benefit highly significant, year save 500
Many ten thousand yuan.
Using forging system to be connected with pre-upsetting hydraulic press operating platform by oil pressure pump, oil pressure pump and hydraulic press pass through oil pressure pipe
Or control signal connects, complete operation, and only need to change different moulds and just can well realize variety classes Product processing
Producing, production efficiency is high, and labor intensity is low, and production cost is low, and dimensional accuracy is high, material-saving, saves the energy, stable working, yield
Significantly improve.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pre-gathering apparatus of the embodiment of the present invention 1；
Fig. 2 is that the embodiment of the present invention 1 poly-material mould looks up structural representation；
Fig. 3 is the embodiment of the present invention 1 poly-material mould sectional structure schematic diagram；
Fig. 4 is the embodiment of the present invention 1 pre-upsetting lower mold plan structure schematic diagram；
Fig. 5 is the embodiment of the present invention 1 pre-upsetting lower mold sectional structure schematic diagram；
Fig. 6 is the structural representation of the embodiment of the present invention 1 oil pressure shaped device；
Fig. 7 is that the embodiment of the present invention 1 forming punching head looks up structural representation；
Fig. 8 is the embodiment of the present invention 1 molding lower mold sectional structure schematic diagram.
In figure: poly-material mould 1, poly-material mouth 101, prod cast set 102, poly-material depression bar 103, pre-upsetting lower mold 2, left half module 3, right half module
4, pre-upsetting lower mould clamping device body 5, left clamp body 51, right clamp body 52, pre-upsetting hydraulic press operating platform 6, plunger holder body 7, molding is rushed
8, semiaxis blank 9, molding lower mold 10, molding lower mould clamping device body 11, molding hydraulic press operating platform 12.
Detailed description of the invention
The present invention can be made progressive description by the following examples by the present invention, but, the scope of the present invention is also
It is not limited to following embodiment.
Embodiment 1
As the semiaxis of the critical piece of back axle, owing to existing pneumatic hammer dead man adds the mode of production of pneumatic hammer Closed-Pattern Match Forging Technique
Productivity ratio is relatively low, it is impossible to meet the demand of processing semiaxis.In order to expand the yield of semiaxis, coordinate semiaxis friction pressure Welder
Skill, the forging system and method for semiaxis ring flange is as follows:
A kind of half-shaft blank hydraulic press forging system, it includes pre-gathering apparatus and the oil pressure shaped device being set up in parallel.
Described pre-gathering apparatus includes pre-upsetting hydraulic press, poly-material mould 1 and pre-upsetting lower mold 2, and poly-material mould 1 lower end is provided with cone
Poly-material mouth 101, connects with prod cast set 102 above the poly-material mouth of cone, slides and is provided with poly-material depression bar 103, in advance in prod cast set 102
Upsetting lower mold 2 upper end is provided with the lower die orifice of cylinder, and poly-material mould 1 is arranged on the pressure head of pre-upsetting hydraulic press, and poly-material depression bar 103 is with pre-
Depression bar on upsetting hydraulic press pressure head connects, and pre-upsetting lower mould clamping device body 5 includes left clamp body 51 and right clamp body 52, left half module 3 with
Left clamp body 51 connects, and right half module 4 is connected with right clamp body 52, and left clamp body 51 or right clamp body 52 are by oil pressure pump and pre-upsetting
Hydraulic press operating platform 6 is flexibly connected, and oil pressure pump is connected by oil pressure pipe or control signal with hydraulic press；Pre-upsetting hydraulic press operating platform
6 are provided with semiaxis pre-upsetting axle body resigning hole or slot to make way.
Oil pressure shaped device includes that molding hydraulic press, forming punching head 8 and molding lower mold 10, forming punching head 8 lower end are provided with half
Shaft flange outer face shaping mold cavity, molding lower mold 10 is provided with half shaft flange inner face and semiaxis axle body shaping mold cavity.Forming punching head 8
By plunger holder body 7 be arranged on molding hydraulic press pressure head on, molding lower mold 10 is installed by molding lower mould clamping device body 11
On molding hydraulic press operating platform 12, molding hydraulic press operating platform 12 is provided with semiaxis axle body resigning hole or slot to make way.
The processing method of a kind of half-shaft blank hydraulic press forging, it includes pre-upsetting technique and oil pressure moulding process；
Pre-upsetting technique is:
(1) first poly-material mould 1 is arranged on hydraulic press top, more left half module 3 and right half module 4 are arranged on workbench 6 and clamp body 5
On, after heating, bar is placed on the die orifice position of pre-upsetting lower mold 2, and left half module 3 and right half module 4 are respectively by left clamp body 51 and the right side
Clamp body 52 synchronizes when hydraulic press starts to be combined and pin the pre-upsetting lower mold 2 of formation；
(2) pre-upsetting hydraulic press pressure head first drives poly-material mould 1 down to move, and the depression bar on pre-upsetting hydraulic press pressure head drives poly-material pressure again
Bar 103 down moves, and when poly-material mould 1 moves in pre-upsetting lower mold 2, poly-material depression bar 103 moves to the prod cast running-on position of poly-material mouth
Putting, bar has been heated in heating furnace by pressure or the pressure 200T of generation in advance, and temperature reaches rod after 1050-1200 degree
Expecting that pre-upsetting becomes semiaxis ring flange to pre-upset base, after then poly-material depression bar 103, poly-material mould 1 rise, left half module 3 and right half module 4 are simultaneously
Opening, take out semiaxis ring flange and pre-upset base, the shape of base of pre-upsetting and structure are cones, and whole pre-upsetting process completes；
Oil pressure moulding process is:
.(1) base of pre-upsetting is placed on to add and vulcanizes temperature hole and carry out mending temperature, and mending after temperature is 1050-1200 degree, the later half pre-upsetting of shaft flange dish
The molding lower mold 10 on 500T molding hydraulic press operating platform 12 put into by crude green body, and by starting hydraulic press, forming punching head 8 is down transported
Dynamic, move in molding lower mold 10, base oil pressure of being pre-upset by later half for benefit temperature shaft flange dish becomes semiaxis blank 9；
(2) then forming punching head 8 up moves, and takes out semiaxis blank 9, and whole oil pressure forming process is fully completed.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (7)
1. half-shaft blank hydraulic press forges a system, and it includes pre-gathering apparatus and the oil pressure shaped device being set up in parallel, and it is special
Levying and be, described pre-gathering apparatus includes that poly-material mould (1) and pre-upsetting lower mold (2), poly-material mould (1) lower end are provided with the poly-material mouth of cone
(101), connect with prod cast set (102) above the poly-material mouth of cone, prod cast set (102) slide and is provided with poly-material depression bar (103),
Pre-upsetting lower mold (2) upper end is provided with the lower die orifice of cylinder, and oil pressure shaped device includes forming punching head (8) and molding lower mold (10),
Forming punching head (8) lower end is provided with half shaft flange outer face shaping mold cavity, and molding lower mold (10) is provided with half shaft flange inner face and half
Axle axle body shaping mold cavity.
A kind of half-shaft blank hydraulic press forging system the most according to claim 1, it is characterised in that described pre-gathering apparatus is also
Including pre-upsetting hydraulic press, poly-material mould (1) is arranged on the pressure head of pre-upsetting hydraulic press, poly-material depression bar (103) and pre-upsetting hydraulic press pressure
Depression bar on head connects, and pre-upsetting lower mold (2) is arranged on pre-upsetting hydraulic press operating platform (6) by pre-upsetting lower mould clamping device body (5), in advance
Upsetting hydraulic press operating platform (6) is provided with semiaxis pre-upsetting axle body resigning hole or slot to make way.
A kind of half-shaft blank hydraulic press forging system the most according to claim 2, it is characterised in that described pre-upsetting lower mold
(2) include that left half module (3) and right half module (4), pre-upsetting lower mould clamping device body (5) include left clamp body (51) and right clamp body (52),
Left half module (3) is connected with left clamp body (51), and right half module (4) is connected with right clamp body (52), left clamp body (51) and right fixture
Body (52) at least one side clamp body is flexibly connected with pre-upsetting hydraulic press operating platform (6).
A kind of half-shaft blank hydraulic press forging system the most according to claim 3, it is characterised in that left clamp body (51) and
Right clamp body (52) at least on one side clamp body be flexibly connected with pre-upsetting hydraulic press operating platform (6) by oil pressure pump, oil pressure pump and
Hydraulic press is connected by oil pressure pipe or control signal.
A kind of half-shaft blank hydraulic press forging system the most according to claim 1, it is characterised in that oil pressure shaped device is also
Including molding hydraulic press, forming punching head (8) by plunger holder body (7) be arranged on molding hydraulic press pressure head on, under molding
Mould (10) is arranged on molding hydraulic press operating platform (12) by molding lower mould clamping device body (11), molding hydraulic press operating platform (12)
It is provided with semiaxis axle body resigning hole or slot to make way.
6. a processing method for half-shaft blank hydraulic press forging, it includes pre-upsetting technique and oil pressure moulding process, and its feature exists
In,
Pre-upsetting technique is:
(1) first poly-material mould (1) is arranged on hydraulic press top, more left half module (3) and right half module (4) are arranged on workbench (6)
With on clamp body (5), after heating, bar is placed on the die orifice position of pre-upsetting lower mold (2), and bar temperature reaches 1050-1200 degree,
Left half module (3) and right half module (4) synchronize when hydraulic press starts to be combined and pin the pre-upsetting lower mold (2) of formation；
(2) pre-upsetting hydraulic press pressure head first drives poly-material mould (1) down to move, and the depression bar on pre-upsetting hydraulic press pressure head drives poly-material again
Depression bar (103) down moves, poly-material mould (1) move to pre-upsetting lower mold (2) upper time, poly-material depression bar (103) moves to poly-material mouth
Prod cast running-on position, becomes semiaxis ring flange to pre-upset base by pre-for bar after heating upsetting, then poly-material depression bar (103), poly-material mould (1)
After rising, left half module (3) and right half module (4) are opened simultaneously, take out semiaxis ring flange and pre-upset base, and whole pre-upsetting process completes；
Oil pressure moulding process is:
Semiaxis ring flange base of pre-upsetting is mended Wen Kongzhong at heating furnace and is carried out mending temperature, after move to another hydraulic press and carry out ring flange one-tenth
Type.
The processing method of a kind of half-shaft blank hydraulic press the most according to claim 6 forging, it is characterised in that oil pressure molding
Technique is:
(1) the molding lower mold (10) that base of being pre-upset by the warm later half shaft flange dish of benefit is put on molding hydraulic press operating platform (12),
Being 1050-1200 degree after mending temperature, by starting hydraulic press, forming punching head (8) down moves, and moves in molding lower mold (10),
Base oil pressure of being pre-upset by later half for benefit temperature shaft flange dish becomes semiaxis blank (9)；
(2) then forming punching head (8) up moves, and takes out semiaxis blank (9), and whole oil pressure forming process is fully completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610764789.7A CN106180531B (en) | 2016-08-31 | 2016-08-31 | A kind of half-shaft blank hydraulic press forging system and processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610764789.7A CN106180531B (en) | 2016-08-31 | 2016-08-31 | A kind of half-shaft blank hydraulic press forging system and processing method |
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| CN106180531A true CN106180531A (en) | 2016-12-07 |
| CN106180531B CN106180531B (en) | 2018-09-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118360A (en) * | 2021-04-08 | 2021-07-16 | 浙江华远汽车科技股份有限公司 | Two-section beam cold heading device |
| CN114192720A (en) * | 2021-12-08 | 2022-03-18 | 抚州申铃汽车配件有限责任公司 | One-time material gathering forming die and process for front axle inner half shaft |
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| JPH11188450A (en) * | 1997-12-25 | 1999-07-13 | Sumitomo Heavy Ind Ltd | Forging press for deformed long article |
| CN102198455A (en) * | 2011-04-11 | 2011-09-28 | 洛阳易得传动轴有限公司 | Hot extrusion forming method of drive shaft blank and die used in same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118360A (en) * | 2021-04-08 | 2021-07-16 | 浙江华远汽车科技股份有限公司 | Two-section beam cold heading device |
| CN114192720A (en) * | 2021-12-08 | 2022-03-18 | 抚州申铃汽车配件有限责任公司 | One-time material gathering forming die and process for front axle inner half shaft |
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| Publication number | Publication date |
|---|---|
| CN106180531B (en) | 2018-09-18 |
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