CN203156014U - Molten forging die - Google Patents
Molten forging die Download PDFInfo
- Publication number
- CN203156014U CN203156014U CN 201320075812 CN201320075812U CN203156014U CN 203156014 U CN203156014 U CN 203156014U CN 201320075812 CN201320075812 CN 201320075812 CN 201320075812 U CN201320075812 U CN 201320075812U CN 203156014 U CN203156014 U CN 203156014U
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- Prior art keywords
- mould
- die
- forging
- molten soup
- pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000005242 forging Methods 0.000 title claims abstract description 54
- 235000014347 soups Nutrition 0.000 claims description 23
- 239000012528 membrane Substances 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 23
- 238000005266 casting Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Abstract
The utility model relates to a molten forging die comprising an upper die, a lower die and a plurality of lateral dies. A die cavity of a to-be-processed wheel shape is formed by means of closing the upper die, the lower die and the lateral dies. A lower die assembly coaxially enclosed by the lateral dies and the lower die is coaxially embedded in a pressure bearing die sleeve. The lateral dies and the lower die are combined and then embedded in the same pressure bearing die sleeve; pressure bearing capacity of dies are remarkably improved; lateral die dislocation is avoided, product quality is guaranteed, later period maintenance cost is lowered, and product qualified rate is improved; and structure is simple, but production benefit is improved to a great degree.
Description
Technical field
The invention belongs to wheel and forge field, especially a kind of molten soup forging mold.
Background technology
Forging is to utilize metal forming machinery that metal stock is exerted pressure, and makes it produce plastic deformation to obtain to have the processing method of certain mechanical performance, definite shape and size forging.Can eliminate defectives such as cast condition that metal produces is loose by forging in smelting process, to optimize heterogeneous microstructure, simultaneously owing to preserved complete metal streamline, the mechanical performance of forging generally is better than the foundry goods of same material.Cast type comprises: gravitational casting (Gravity die casting), low pressure casting (Low pressure die casting) and vacuum pressing and casting (Vacuum die casting), these casting methods are aborning because molten soup setting rate is slow, cause situations such as shrinkage cavity and gas enter to take place easily, cause mechanical performance of products widely different.And, because mold temperature is crossed the factors such as injection rate of low and molten soup, restricting forming shape and the thickness of product all the time.In order to remedy the deficiency of these casting methods, begun the research of a large amount of " forging the casting method of mode ".It is the molten soup forging method that molten soup is solidified under the state of high pressure that molten soup forges, and can make organizing of product more tight, improves mechanical performance of products, is applicable to simultaneously and carries out large batch of production.At present, wheel mainly is the method production of adopting low pressure casting, be applied to forge wheel if will melt the method for soup forging, because centre bore and the bolt hole position at wheel center position are the most important, the words that pressure or impulsive force are concentrated, may cause the breakage at wheel center position, and also be easier to take place the situation of shrinkage cavity in the inboard center in the centre bolt hole of forging wheel.Can adopt at present increases the situation that the use amount that melts soup solves shrinkage cavity, but effect is unsatisfactory, and the wayward unification of consumption, causes to produce to waste raw material, and cost is higher.
Wheel die is to be made of upper die and lower die and a plurality of limits die combination, after the wheel moulding, the die sinking process is that patrix is upwards mentioned, the limit mould to around open, still, the pressure that forging and pressing process mould bears is much larger than casting, because the pressure that mould bears in the process of long-term forging and pressing is bigger, damages easily, and in the forging and pressing process, occur the situation that limit mould dislocation influences product quality easily, have hidden danger, maintenance cost is higher.
Find following correlation technique document through retrieval:
A kind of forging comprises and forging with mould and combination die sleeve with set of molds trap (CN202356560U); Forging with mold integral is rectangular structure, has die cavity on the one end; Making up die sleeve is to fix the cuboid box structure that forms by base plate, side backing plate and positive stop, backstop by screw, and the inside dimension of combination die sleeve is identical with the mould outside dimension with forging, and forging is placed on mould and makes up in the die sleeve, and fixes by screw.The utility model is divided into forging mould and combination die sleeve with monoblock type mould originally, wherein forge with mould according to the workpiece to be processed designs of mold cavities, and by forging with the appearance and size of mould and the processing request composite design die sleeve appearance and size of different forging machines, because combination die cover material price is far below mold materials, therefore, adopt the utility model can save Master Cost greatly, and shortened the Mould Machining cycle, and make mould handling relatively more light, be conducive to the turnover of mould more.
A kind of direct adding pressure type liquation forging apparatus (CN202621888U) comprises upper body part and lower body part; Described upper body branch comprises the auxiliary piston on the limit, the left and right sides of main piston and main piston, the bottom of main piston and auxiliary piston is equipped with sliding stand, the bottom of sliding stand is equipped with upper junction plate, connecting the upper die assembly on the upper junction plate, the upper die assembly is along with main piston descends, along with auxiliary piston rises; Described lower body branch comprises lower support base and the lower piston that is arranged on the lower support base, is fixing the lower mould assembly on the lower piston, and the lower mould assembly is along with lower piston is finished pressurization and lifting.It is to use up and down directly pressing mode that liquation of the present invention forges, with original indirect pressuring method relatively, equipment is simple, manufacturing cost and the die cost of machine itself significantly reduce, and the product of Zhi Zaoing has obvious superiority at aspects such as producing consuming time, tensile strength, density, percentage elongation simultaneously.
The swaging method of one large disc type spare and forging apparatus (CN101862807B), this method comprises design, blank preparation, blocking splitter box, location blank and the substep swaging of forging mold, and the present invention proposes based on this method and a kind ofly can realize forging die and the counterrotating forging apparatus of counterdie, the swaging by last forging die and counterdie comes disc type work is carried out local progressive molding.For the mobile of metal in the forging process controlled, before swaging, added splitter box pre-forging work step.And, at workpiece warping phenomenon in the swaging process, proposed to adopt the last forging die of special construction.This manufacturing process shaping load is low, and the simple processing charges of mould is low, can reduce the manufacturing cost of present large disc type spare significantly.
Through contrast, more than the existence of disclosed technology and present patent application more different.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, a kind of wheel forging mold is provided, can promote product quality, reduce molten soup consumption, promote the product mechanical performance, promote production efficiency.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of molten soup forging mold, comprise upper die and lower die and limit mould, the closed mold cavity that forms wheel shape to be processed of upper die and lower die and limit mould is characterized in that: described a plurality of limits mould and coaxial coaxial being inlaid in the pressure-bearing mould cover of following membrane module that surrounds formation of counterdie.
And the embedding slot that described pressure-bearing mould puts for membrane module under the setting-in is the bigger back taper embedding slot of a upper end open diameter.
And described a plurality of limits mould all is connected on pressure-bearing mould set upper side by the load of connecting rod hinge.
And described limit mould is 3 to 6.
And the vertical cross-section bottom profiled of described patrix is identical with the last profile in wheel center to be processed cross section; The inboard profile in the cross section of limit mould is identical with the lateral wall profile in wheel center to be processed cross section, the coaxial side profile that forms wheel that surrounds of a plurality of limits mould.
And, be coaxially installed with one in the pedestal of described counterdie lower end straight up for the hydraulic pressure ejecting mechanism that ejects product.
Advantage of the present invention and good effect are:
1, this method is inject molten soup in counterdie after, Dui Ying patrix drops to assigned address with it, make molten soup according to moulding in the die cavity between the upper and lower mould, and the molten soup that solidifies of moulding carried out pressurization more than two stages/forge and make product, owing to carry out the secondary forging for bolt hole and centre, avoid bolt hole and centre under the effect of excessive pressure and impulsive force, to be damaged, guarantee that again it reaches the mechanical performance requirement simultaneously.
2, this method is carried out the secondary forging to the centre of wheel, the easier bolt hole at center and the centre bore periphery position of making forms an integral body, promote mechanical performance of products, tensile strength, promote wheel mass, and the present invention is that centre to wheel has increased forging, makes that the thickness at this position is more thin, reduces the use amount of molten soup, and the secondary forging and pressing have effectively been avoided the generation of shrinkage cavity problem, the lifting product quality.
3, this method and conventional the forging contrast, the maximum pressure of this method is 3000 tons, conventional forging then needs 8000 tons pressure, adopt this method to save more than common forging in energy resource consumption, and liquid filling velocity is fast, time is few, productive temp is obviously forged faster than routine, and that the plasticity of partly solidifying when forging will be good than solid is many, is not easy to produce bounce-back, the strength that mould bears is less, and equipment and die life are longer.
4, this mould is inlaid in the same pressure-bearing mould cover after with the combination of a plurality of limits mould and bed die, the bearing capacity of mould significantly promotes, avoid limit mould dislocation, guarantee product quality, reduce the later maintenance expense, promote product percent of pass, though structure is comparatively simple, promoted productivity effect largely.
5, the present invention can promote product quality, reduce molten soup consumption, improve the interior tissue crystal grain thinning of metal, promoting combination properties such as product mechanical performance, tensile property promotes, shorten the production time of product, reduce cost of equipment maintenance, increase output, enhance productivity, prolong die life.
Description of drawings
Fig. 1 is structural front view of the present invention;
Fig. 2 is the local enlarged diagram of A portion among Fig. 1;
Fig. 3 is parting face structural representation in the products made thereby wheel of the present invention;
Fig. 4 is the part of the lower die structural representation of die opening state.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of molten soup forging mold comprises patrix 9, counterdie 11 and limit mould 10, and the vertical cross-section bottom profiled of described patrix is identical with the last profile in wheel center to be processed cross section; The inboard profile in the cross section of limit mould is identical with the lateral wall profile in wheel center to be processed cross section, the coaxial side profile that forms wheel that surrounds of a plurality of limits mould, the limit mould of present embodiment is 3 to 6, to the matched moulds state shown in the accompanying drawing 2, form the mold cavity of wheel shape to be processed as accompanying drawing 1 between upper die and lower die and the limit mould.
The forging equipment that mould is installed comprises pedestal 6, three-dimensional framework 1, main piston 2 and master slider 5, the pedestal upper end installs three-dimensional framework, the framework upper center vertically is equipped with a main piston by the upper and lower movement of main hydraulic system driving row, the main piston lower end is equipped with master slider, the coaxial installation patrix of this master slider lower plane, master slider guarantee the compactness that main piston and patrix are installed; Corresponding pedestal is coaxially installed with counterdie below master slider; For axiality and the stability that guarantees upper and lower movement, four jiaos of equal symmetries of described master slider are fixed with a chute 4, and four column inboards of three-dimensional framework all are shaped on a vertical spacing slide rail 3, and spacing slide rail and chute are slidingly installed.
In the inner coaxial made center cavity in described main piston lower end an auxiliary piston 8 by 7 drivings of aux. pressure system is installed, the piston rod of this auxiliary piston runs through master slider and its lower end is fixed with a center module for the centre of forging and pressing wheel, main piston arrival forging and pressing put in place and stop movement and once pressurize and pressurize according to setup pressure value, after once pressurization was finished, described auxiliary piston drove center module and according to setting value the secondary pressurization is carried out in the centre of wheel.
In order to strengthen the bearing capacity of limit mould in forging, described a plurality of limits mould and coaxial coaxial being inlaid in the pressure-bearing mould cover 12 of following membrane module that surrounds formation of counterdie.
The embedding slot that product stripping during for the ease of die sinking, described pressure-bearing mould put for membrane module under the setting-in is the bigger back taper embedding slot of a upper end open diameter; Be coaxially installed with one in the pedestal of described counterdie lower end straight up for the hydraulic pressure ejecting mechanism 13 that ejects product, and this ejecting mechanism can be regulated the auxiliary pressurization of pressure when forging.
And described a plurality of limits mould all is connected on pressure-bearing mould set upper side by connecting rod 14 hinge loads, as shown in Figure 4, product machines back equipment die sinking, the hydraulic pressure ejecting mechanism jack-up counterdie that makes progress, simultaneously, a plurality of limits mould is opened product and mould separating to upset all around under the effect of respective link pulling force.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope that do not break away from the present invention and claims, various replacements, variation and modification all are possible, therefore, scope of the present invention is not limited to embodiment and the disclosed content of accompanying drawing.
Claims (6)
1. molten soup forging mold, comprise upper die and lower die and limit mould, the closed mold cavity that forms wheel shape to be processed of upper die and lower die and limit mould is characterized in that: described a plurality of limits mould and coaxial coaxial being inlaid in the pressure-bearing mould cover of following membrane module that surrounds formation of counterdie.
2. molten soup forging mold according to claim 1, it is characterized in that: the embedding slot that described pressure-bearing mould puts for membrane module under the setting-in is the bigger back taper embedding slot of a upper end open diameter.
3. molten soup forging mold according to claim 1 is characterized in that: described a plurality of limits mould all is connected on pressure-bearing mould set upper side by the load of connecting rod hinge.
4. molten soup forging mold according to claim 1, it is characterized in that: described limit mould is 3 to 6.
5. molten soup forging mold according to claim 1, it is characterized in that: the vertical cross-section bottom profiled of described patrix is identical with the last profile in wheel center to be processed cross section; The inboard profile in the cross section of limit mould is identical with the lateral wall profile in wheel center to be processed cross section, the coaxial side profile that forms wheel that surrounds of a plurality of limits mould.
6. molten soup forging mold according to claim 1 is characterized in that: be coaxially installed with one in the pedestal of described counterdie lower end straight up for the hydraulic pressure ejecting mechanism that ejects product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075812 CN203156014U (en) | 2013-02-18 | 2013-02-18 | Molten forging die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075812 CN203156014U (en) | 2013-02-18 | 2013-02-18 | Molten forging die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203156014U true CN203156014U (en) | 2013-08-28 |
Family
ID=49017238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320075812 Expired - Lifetime CN203156014U (en) | 2013-02-18 | 2013-02-18 | Molten forging die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203156014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084560A (en) * | 2013-02-18 | 2013-05-08 | 天津那诺机械制造有限公司 | Molten soup forging method and die thereof |
-
2013
- 2013-02-18 CN CN 201320075812 patent/CN203156014U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084560A (en) * | 2013-02-18 | 2013-05-08 | 天津那诺机械制造有限公司 | Molten soup forging method and die thereof |
| CN103084560B (en) * | 2013-02-18 | 2015-05-13 | 天津那诺机械制造有限公司 | Molten soup forging method and die thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 300301 Area D, No. 58 Guanghua Street, West District, Economic and Technological Development Zone, Binhai New Area, Tianjin Patentee after: Tianjin Lizhong Light Alloy Forging Co.,Ltd. Address before: 300457 Zone D, No. 58 Guanghua Street, West District, Economic and Technological Development Zone, Binhai New Area, Tianjin Patentee before: TIANJIN NANUO MACHINERY MANUFACTURING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |