CN105750469A - Disc type forge piece forging mold and forging method - Google Patents
Disc type forge piece forging mold and forging method Download PDFInfo
- Publication number
- CN105750469A CN105750469A CN201610312151.XA CN201610312151A CN105750469A CN 105750469 A CN105750469 A CN 105750469A CN 201610312151 A CN201610312151 A CN 201610312151A CN 105750469 A CN105750469 A CN 105750469A
- Authority
- CN
- China
- Prior art keywords
- forging
- finished product
- preposition
- counterdie
- mould
- Prior art date
- 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.)
- Granted
Links
- 238000005242 forging Methods 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000047 product Substances 0.000 claims description 63
- 230000004308 accommodation Effects 0.000 claims description 15
- 238000003303 reheating Methods 0.000 claims description 14
- 239000011265 semifinished product Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 18
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- 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
- B21J5/025—Closed die forging
Abstract
The invention relates to a disc type forge piece forging mold and a forging method, and belongs to the technical field of metal forging. The mold comprises a finished upper mold and a finished lower mold, wherein the appearance of an inner cavity formed after the finished upper mold and the finished lower mold are closed is matched with that of a finished forge piece; the mold further comprises at least one pair of front upper molds and front lower mold, wherein an inner cavity formed after each front upper mold and the corresponding front lower mold are closed is composed of a molding portion of which the appearance is matched with that of the finished forge piece and a containing portion used for accepting the appearance of a forge piece blank. According to the disc type forge piece forging mold and the forging method, a free forging technology is replaced with a mold forging technology, the forge piece is high in molding precision, part of disc type pieces can adopt a precise mold forging technology, materials are saved, and the material utilization rate is significantly increased; in addition, by adopting a partition molding method, the molding force in the whole molding process is decreased, production of the disc type pieces of the large specification can be completed only by adopting press equipment of small tonnage, the potential of the equipment can be fully excavated, and unnecessary equipment investment and energy consumption are avoided.
Description
Technical field
The present invention relates to a kind of forging mold, especially a kind of dish forging forging mold, also relate to corresponding forging method, belong to metal forging technical field.
Background technology
It is widely used in the usually forging of the disk-like accessory in all kinds of plant equipment.Contour forging technique is due to blank molding in a mold, and forging surplus is little, it is possible to be done directly the shaping of the complex section that rib, reinforcement etc. need not be processed, and is therefore suitable for producing the forging of variously-shaped complexity.
In practice, large disc type part normally shape is relatively easy, adopt contour forging technique comparatively applicable, but because its cylindrical is bigger, the projected area in forging process for fuel direction is relatively big, thus required deformation force is big, and often existing forging equipment tonnage is difficult to meet molding needs, tonnage will make the higher angle position tended to of flank etc to be full of not, and manage to strengthen forming force and be easily caused mould carrying and excessive deform.Result, it has to adopt free forging process to produce.But the shape and size of open die forging forging manually to operate control, forging precision is low, and allowance is big, and labor intensity is big, and productivity ratio is low.
How when existing equipment, by the innovation to mould and Forging Technology, it is achieved the die forging completing large disc type part with relatively small forging molding power produces, and becomes the problem being worth research.
Summary of the invention
It is an object of the invention to: waste time and energy for dish like members open die forging, production efficiency is low, waste of raw materials is serious problem, propose a kind of dish forging forging mold that can properly complete required forging molding when less tonnage plants, provide corresponding forging method simultaneously.
In order to reach object above, the basic technical scheme of the dish forging forging mold of the present invention is: include mould and finished product counterdie on the finished product that matched moulds rear interior cavity is identical with forging finished product profile, also including at least one pair of preposition upper mould and preposition counterdie, described preposition upper mould and preposition counterdie matched moulds rear interior cavity by the forming part identical with forging finished product profile and receives the accommodation portion of forge piece blank reheating profile to constitute.
The forging method adopting the present invention comprises the following steps:
The first step, preposition upper mould and preposition counterdie are separately mounted on forging equipment after, forge piece blank reheating is placed in the location positioning in preposition counterdie correspondence accommodation portion；
Second step, startup forging equipment, make the drape forming of the corresponding preposition upper mould of forge piece blank reheating and preposition counterdie forming part coincide with forging finished product profile, become semi-finished product forging；
3rd step, preposition upper mould and preposition counterdie are converted on finished product after mould and finished product counterdie, molded for semi-finished product forging region is placed in finished product counterdie correspondence position location；
4th step, startup forging equipment, make the unformed drape forming of mould and finished product counterdie on semi-finished product forging correspondence finished product coincide with forging finished product profile, complete forging.
Compared with prior art, the present invention not only replaces free forging process with contour forging technique, forging formed precision is high, and part dish like members can take precision die forging process, saves material, stock utilization is greatly improved, and the method adopting subregion molding, reduce the forming force of whole forming process, only the press apparatus of less tonnage need to be adopted can to complete the production of bigger size disc like members, can abundant excavating equipment potential, it is to avoid unnecessary equipment investment and energy consumption.Simultaneously because reduce forging molding power, extend die life, effectively inhibit mould invalidation to ftracture.The subregion die forging method of the present invention is particularly well suited to dish like members, the forging part that the such as forming force such as rod-like member, Y-piece, shaped piece is bigger, it is possible to adopt.
Further, after described preposition upper mould and preposition counterdie matched moulds, inner chamber is made up of the forming part identical with forging finished product profile and the accommodation portion coincideing with forge piece blank reheating profile.
Further, on described finished product, mould and finished product counterdie are made up of the preposition upper mould inlaying removable core rod and preposition counterdie.
Further, the removable core rod installation position being positioned at preposition upper mould is contained in accommodation portion of institute.
Further, the removable core rod that preposition counterdie central authorities are contained in described accommodation section positions recessed.
Further, described movable core rod has the forming part coincideing with forging finished product profile and positions the recessed convex matched with described movable core rod.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is the structural representation before the preposition mould matched moulds of the embodiment of the present invention one.
Fig. 2 is the structural representation after Fig. 1 matched moulds.
Fig. 3 is the finished product die mould-matching structure schematic diagram of Fig. 1 embodiment.
Fig. 4 is the forge piece blank reheating structural representation of Fig. 1 embodiment.
Fig. 5 is Fig. 4 semi-finished product forging structural representation made.
Fig. 6 is Fig. 4 finished product forging deflashing pre-structure schematic diagram made.
Fig. 7 is structural representation after Fig. 4 finished product forging deflashing made.
Fig. 8 is the structural representation before the preposition mould matched moulds of the embodiment of the present invention two.
Fig. 9 is the structural representation after Fig. 8 matched moulds.
Figure 10 is the finished product die matched moulds pre-structure schematic diagram of Fig. 8 embodiment.
Figure 11 is the finished product die mould-matching structure schematic diagram of Fig. 8 embodiment.
Detailed description of the invention
Embodiment one
The dish forging forging mold of the present embodiment is as shown in Figure 1 to Figure 3, including two pairs of moulds, one pair of which is as shown in Figure 1, 2, it is made up of preposition upper mould 1 and preposition counterdie 2, after preposition upper mould 1 and the 2-in-1 mould of preposition counterdie, inner chamber is split into two halves district, and forming part 3 and the accommodation portion 4 coincideing with forge piece blank reheating profile by coincideing with forging finished product profile are constituted.Another to mould as it is shown on figure 3, mould 1 ' and finished product counterdie 2 ' on the finished product that to be matched moulds rear interior cavity coincide with forging finished product profile.
In order to suppress to divide into the offsetting power of shape forging process mould, excessive offsetting is avoided to cause forging to be scrapped and crack of die tendency, the mould of the present embodiment is provided with self-locking structure, namely on preposition upper mould 1 and finished product, the periphery of mould 1 ' extends the sealed edge matched with corresponding counterdie periphery respectively down, thus in forging process, along with contacting of upper mould and counterdie, it is self-assembling formation locking effect each other, limits the offsetting power of forging.
The forging method adopting the present embodiment forging grinding tool comprises the following steps:
The first step, preposition upper mould 1 and preposition counterdie 2 are separately mounted on forging equipment after, be placed in the location positioning in the corresponding accommodation portion of preposition counterdie 1 after the circular forge piece blank reheating shown in Fig. 4 is heated to predetermined temperature；
Second step, startup forging equipment, make the drape forming of the corresponding preposition upper mould 1 of forge piece blank reheating and preposition counterdie 2 forming part coincide with forging finished product profile, become the semi-finished product forging shown in Fig. 5；
3rd step, preposition upper mould 1 and preposition counterdie 2 are changed on finished product after mould 1 ' and finished product counterdie 2 ' from dismounting forging equipment respectively, molded for semi-finished product forging region is placed in finished product counterdie 2 ' correspondence position location；
4th step, startup forging equipment, make the unformed drape forming of mould 1 ' and finished product counterdie 2 ' on semi-finished product forging correspondence finished product coincide with forging finished product profile；
5th step, forging complete for molding is put into shaving die, remove the overlap shown in inside and outside dash area in Fig. 6, complete forging, become the finished product shown in Fig. 7.
Above forging process is actual is divided into two stages, and the first stage is subregion formative stage.Would be heated to the forging stock of temperature put into and divide forging molding in mould die cavity into, one part blank, under forging force effect, fills mold cavity, complete the forging molding of dish like members half local, residue wall half blank presses through in journey under mould, is fixed by mold cavity, does not produce plastic deformation.The forging stock of part molding is put into forging molding in full mould die cavity by second stage, the process that the in type forging of part is pressed under mould is fixed by mould, do not produce plastic deformation, residue wall half forging stock presses through journey under mould and produces plastic deformation, thus completing the process of whole forging molding.
Embodiment two
The dish forging forging mold of the present embodiment is as shown in Figs. 8 to 11, also two pairs of moulds are included, one pair of which is as shown in Figure 8,9, it is made up of preposition upper mould 1 and preposition counterdie 2, after preposition upper mould 1 and the 2-in-1 mould of preposition counterdie, inner chamber is split into two halves district, and forming part 3 and the accommodation portion 4 receiving forge piece blank reheating profile by coincideing with forging finished product profile are constituted, and the portion of accommodation contains the removable core rod installation position being positioned at preposition upper mould 1 and is positioned at the recessed 4-1 in removable core rod location of preposition counterdie 2 central authorities.So, such as Figure 10, shown in 11, on the finished product that matched moulds rear interior cavity and forging finished product profile are coincide, mould and finished product counterdie essence are made up of the preposition upper mould 1 inlaying removable core rod 1-1 and preposition counterdie 2.This activity core rod 1-1 has the forming part coincideing with forging finished product profile and positions the recessed 4-1 convex matched with movable core rod.
Compared with embodiment one, removable core rod only need to be fixed on preposition upper mould 1 and form mould on finished product by forging method the 3rd step adopting the present embodiment forging grinding tool, the preposition counterdie correspondence position positioning instant inserted in molded for semi-finished product forging region as finished product counterdie can again, other step is identical, therefore more convenient.
In addition to the implementation, the present invention can also have other embodiments.Such as on-demand for the monolithic molding more multi partition that is divided into can be carried out.All employings are equal to replacement or the technical scheme of equivalent transformation formation, all fall within the protection domain of application claims.
Claims (10)
1. a dish forging forging mold, including mould and finished product counterdie on the finished product that matched moulds rear interior cavity and forging finished product profile are coincide, it is characterized in that: also include at least one pair of preposition upper mould and preposition counterdie, described preposition upper mould and preposition counterdie matched moulds rear interior cavity and by the forming part identical with forging finished product profile and receive the accommodation portion of forge piece blank reheating profile to constitute.
2. dish forging forging mold according to claim 1, it is characterised in that: after described preposition upper mould and preposition counterdie matched moulds, inner chamber is made up of the forming part identical with forging finished product profile and the accommodation portion coincideing with forge piece blank reheating profile.
3. dish forging forging mold according to claim 1, it is characterised in that: on described finished product, mould and finished product counterdie are made up of the preposition upper mould inlaying removable core rod and preposition counterdie.
4. dish forging forging mold according to claim 3, it is characterised in that: the removable core rod installation position being positioned at preposition upper mould is contained in accommodation portion of institute.
5. dish forging forging mold according to claim 4, it is characterised in that: the removable core rod location that preposition counterdie central authorities are contained in described accommodation section is recessed.
6. dish forging forging mold according to claim 5, it is characterised in that: described movable core rod has the forming part coincideing with forging finished product profile and positions the recessed convex matched with described movable core rod.
7. according to the arbitrary described dish forging forging mold of claim 1 to 6, it is characterised in that: the periphery of described preposition upper mould extends the sealed edge matched with preposition counterdie periphery down.
8. the forging method of dish forging forging mold according to claim 1, it is characterised in that comprise the following steps:
The first step, preposition upper mould and preposition counterdie are separately mounted on forging equipment after, forge piece blank reheating is placed in the location positioning in preposition counterdie correspondence accommodation portion；
Second step, startup forging equipment, make the drape forming of the corresponding preposition upper mould of forge piece blank reheating and preposition counterdie forming part coincide with forging finished product profile, become semi-finished product forging；
3rd step, preposition upper mould and preposition counterdie are converted on finished product after mould and finished product counterdie, molded for semi-finished product forging region is placed in finished product counterdie correspondence position location；
4th step, startup forging equipment, make the unformed drape forming of mould and finished product counterdie on semi-finished product forging correspondence finished product coincide with forging finished product profile, complete forging.
9. the forging method of dish forging forging mold according to claim 8, it is characterised in that: after described preposition upper mould and preposition counterdie matched moulds, inner chamber is made up of the forming part coincideing with forging finished product profile and the accommodation portion coincideing with forge piece blank reheating profile；Preposition upper mould and preposition counterdie are changed on finished product after mould and finished product counterdie from dismounting forging equipment by described 3rd step respectively, and molded for semi-finished product forging region is placed in finished product counterdie correspondence position location.
10. dish forging forging mold according to claim 8 and forging method, it is characterized in that: on described finished product, mould and finished product counterdie are made up of the preposition upper mould inlaying removable core rod and preposition counterdie, removable core rod is fixed on preposition upper mould to be formed mould on finished product by described 3rd step, more molded for semi-finished product forging region inserts to the preposition counterdie correspondence position as finished product counterdie positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312151.XA CN105750469B (en) | 2016-05-12 | 2016-05-12 | One discharge plate forging forging mold and forging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312151.XA CN105750469B (en) | 2016-05-12 | 2016-05-12 | One discharge plate forging forging mold and forging method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105750469A true CN105750469A (en) | 2016-07-13 |
| CN105750469B CN105750469B (en) | 2018-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610312151.XA Active CN105750469B (en) | 2016-05-12 | 2016-05-12 | One discharge plate forging forging mold and forging method |
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| Country | Link |
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| CN (1) | CN105750469B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180519A (en) * | 2016-07-20 | 2016-12-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Die-forging forming mould and manufacturing process thereof |
| CN108971400A (en) * | 2018-10-12 | 2018-12-11 | 湖南金天钛业科技有限公司 | A method of alloy special-shaped titanium forging is produced using open die forging equipment |
| CN112059100A (en) * | 2020-08-07 | 2020-12-11 | 沈阳中钛装备制造有限公司 | Sectional molding method of titanium alloy lower cross arm of automobile |
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| CN1792544A (en) * | 2006-01-11 | 2006-06-28 | 重庆工学院 | Tech. for forging forming of hook fastener flame of wagon and maould thereof |
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| CN205816677U (en) * | 2016-05-12 | 2016-12-21 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of dish forging forging mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2772679Y (en) * | 2005-01-05 | 2006-04-19 | 东风锻造有限公司 | Closed forging mould of disk piece |
| CN1792544A (en) * | 2006-01-11 | 2006-06-28 | 重庆工学院 | Tech. for forging forming of hook fastener flame of wagon and maould thereof |
| CN201049377Y (en) * | 2006-12-06 | 2008-04-23 | 贵州安大航空锻造有限责任公司 | High-temperature alloy isothermal forging large-scale combined die |
| CN101224484A (en) * | 2007-12-20 | 2008-07-23 | 贵州安大航空锻造有限责任公司 | Large-scale forging dies for near-isothermally forging disc forgeable piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106180519B (en) * | 2016-07-20 | 2018-02-06 | 中车戚墅堰机车车辆工艺研究所有限公司 | Die-forging forming mould and its manufacturing process |
| CN108971400A (en) * | 2018-10-12 | 2018-12-11 | 湖南金天钛业科技有限公司 | A method of alloy special-shaped titanium forging is produced using open die forging equipment |
| CN112059100A (en) * | 2020-08-07 | 2020-12-11 | 沈阳中钛装备制造有限公司 | Sectional molding method of titanium alloy lower cross arm of automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105750469B (en) | 2018-10-16 |
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Address after: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Country or region after: China Address before: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. Country or region before: China |