CN205393435U - Modular forging instrument - Google Patents
Modular forging instrument Download PDFInfo
- Publication number
- CN205393435U CN205393435U CN201620173645.XU CN201620173645U CN205393435U CN 205393435 U CN205393435 U CN 205393435U CN 201620173645 U CN201620173645 U CN 201620173645U CN 205393435 U CN205393435 U CN 205393435U
- Authority
- CN
- China
- Prior art keywords
- anvil
- frustum
- epicone
- narrow flat
- bench
- 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.)
- Expired - Fee Related
Links
Landscapes
- Forging (AREA)
Abstract
The utility model provides a modular forging instrument, the narrow flat anvil that is used for the drawing out forging process of cogging process on can being fixed in forging equipment for the jumping -up forging process's of cogging process the epicone bench anvil and lower frustum hammering block, the epicone bench anvil is made by upper portion cylinder and the integration of lower part back taper platform and is formed, and upper portion cylinder up end has the dovetail, the frustum hammering block is made by upper portion frustum and the integration of lower part cylinder and is formed down, narrow flat anvil bottom has a forked tail molding, and narrow flat anvil and the epicone bench anvil can model and the dovetail is detachable puts together through the forked tail, when narrow flat anvil and the combination of the epicone bench anvil, utilize the epicone bench anvil and the frustum of lower frustum hammering block and the upper and lower surface contact of forging blank to carry out the jumping -up, when acting as the frustum hammering block and separating narrow flat anvil, utilize narrow flat anvil to flatten and the drawing out to the forging blank. Can need not to dismantle the mould at the fast switch over of realizing jumping -up, the corresponding instrument of drawing out process, can reduce the cogging and forge required heating number, improve production efficiency.
Description
Technical field
This utility model relates to a kind of forging tools, is specifically related to a kind of combination type forging tools.
Background technology
The heavy forgings such as adapter, evaporator pipe sheet, large-sized end enclosure imported and exported by main pipeline is nuclear power and the key components and parts of thermoelectricity field major technologies and equipment.This type of volume of part is relatively big, forming difficulty, and production cost is high, long-term work is in high temperature, high pressure, highly radioactive adverse circumstances, and subject the change impact load that high flow rate medium brings, easily produce fatigue damage because of alternate load, the safety coefficient of the overall generating set of impact.Therefore, the comprehensive mechanical performance of heavy forging is proposed high requirement by severe working environment.The various defects such as inevitably there is shrinkage porosite, shrinkage cavity in steel smelting procedure, be mingled with, therefore, by Forging Technology, need to eliminate internal defects, improve comprehensive quality and the bearing capacity thereof of heavy forging.
Cogging forging is the important procedure in flat-die forging, it is broadly divided into jumping-up and two technical processs of pulling, its objective is to change the tissue distribution state of steel ingot, the tree-shaped tissue of as cast condition that steel ingot is internal thick is smashed with big deformation extent, refinement forging interior tissue crystal grain, the porosity defect such as shrinkage porosite, shrinkage cavity is closed in forging, and makes the field trash such as sulfide, silicate be uniformly distributed, and improves the comprehensive mechanical performance of steel ingot.
In the upsetting process of forging, it is generally adopted flat anvil and large-scale steel ingot is carried out jumping-up, in smooth anvil upsetting process, territory, stagnant zone is there is near the upper and lower end face of steel ingot, there is bigger frictional force in the upper and lower end face contacted with steel ingot on the one hand due to instrument, blank is difficult to deform, and on the other hand owing to the steel ingot end face temperature with tool contact reduces block, resistance of deformation is big.The as-cast structure in this territory, stagnant zone is not broken and recrystallization, and internal flaw can not eliminate, and reduces the comprehensive mechanical property of forging, has a strong impact on its life-span.When drafts is bigger, there is rigid contact in territory, upper and lower stagnant zone, can produce shear fissure radially, cause that forging is scrapped.
In the pulling process of forging, local loading need to be carried out with narrow flat anvil continuous print, be added up by axial deformation and reach target length, accordingly, it would be desirable to change narrow flat anvil after jumping-up terminates.Cogging forging need to be repeatedly performed pier and pull out, and needs repeatedly to replace with anvil in the process, and technique is relatively complicated.
Summary of the invention
The purpose of this utility model is in that to overcome the deficiency of existing cogging technics, it is proposed to a kind of combination type cogging instrument, can in the quick switching realizing jumping-up, the pulling corresponding instrument of operation, it is not necessary to dismounting mould, can reduce the required fire of cogging forging, improve production efficiency.
The technical solution of the utility model is: a kind of combination type forging tools, including being fixed on forging equipment for the narrow flat anvil of pulling forging process of cogging operation, for the epicone bench anvil of jumping-up forging process and the lower frustum anvil of cogging operation；
The described epicone bench anvil is fabricated by by upper cylinder and bottom inversed taper platform integration, and upper cylinder upper surface is with dovetail groove；Described lower frustum anvil is fabricated by by top frustum and lower cylinder integration；
With dovetail moulding bottom described narrow flat anvil, narrow flat anvil and the epicone bench anvil can pass through dovetail moulding and dovetail groove is detachable combines；When narrow flat anvil and the epicone bench anvil combine, utilize the epicone bench anvil and the lower frustum of frustum anvil to contact with the upper and lower surface of forge piece blank reheating and carry out jumping-up；When narrow flat anvil separated by the epicone bench anvil, narrow flat anvil is utilized forge piece blank reheating to be flattened and pulls out.
Further, described narrow flat anvil height is 800～1200mm, and top width is 600～1000mm, and bottom width is 700～1200mm, and length is 1800～2500mm.
Further, the Upper cylindrical height of the described epicone bench anvil is 200～400mm, and diameter is 1800～2500mm, and bottom inversed taper platform inclination angle theta is 20 °～25 °.
Further, the lower cylindrical height of described lower frustum anvil is 200～400mm, and diameter is 1800～2500mm, and top frustum inclination angle theta is 20 °～25 °.
Beneficial effect:
(1) this combination type cogging instrument, can in the quick switching realizing jumping-up, the pulling corresponding instrument of operation, it is not necessary to dismounting mould, can reduce the required fire of cogging forging, improve production efficiency.
(2) mode that frustum anvil and narrow flat anvil be combined with each other is adopted to carry out jumping-up, territory, forging stagnant zone can be eliminated, harmony and then minimizing heart portion that raising blank deforms on axis crack tendency, improve forging bulk deformation uniformity, can obtain the good target forging of comprehensive quality.
(3) adopting narrow flat anvil to carry out local pulling, improve the thought of solid forging deformation uniformity based on partial plastic forming, in reduction, anvil and blank contact surface, reduce territory, stagnant zone, improves forging bulk deformation uniformity.
Accompanying drawing explanation
Fig. 1 is the structural representation of narrow flat anvil；
Fig. 2 is the side view of narrow flat anvil；
Fig. 3 is the structural representation of the epicone bench anvil；
Fig. 4 is the structural representation of lower frustum anvil；
Fig. 5 is frustum anvil jumping-up schematic diagram；
Fig. 6 is frustum anvil jumping-up schematic diagram；
Fig. 7 is that narrow flat anvil flattens schematic diagram；
Fig. 8 is narrow flat-anvils stretching schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.
As Figure 1-5, a kind of combination type forging tools, including narrow flat anvil 1, the epicone bench anvil 2 and lower frustum anvil 4.Narrow flat anvil 1 and the epicone bench anvil 2 can be combined by dovetail groove, and wherein, narrow flat anvil 1 is fixed on forging equipment, for the pulling forging process of cogging operation.The epicone bench anvil 2 can be fixed on below narrow flat anvil 1 by large-scale armful of pincers, for the jumping-up forging process of cogging operation.This combination type cogging instrument, can in the quick switching realizing jumping-up, the pulling corresponding instrument of operation, it is not necessary to dismounting mould, improves production efficiency.Before cogging operation, upper and lower frustum anvil and narrow flat anvil are placed in resistance furnace and heats to 300 DEG C, it is prevented that the surface temperature that instrument contacts with forging reduces too fast, thus causing bigger resistance of deformation.
Fig. 3 is the epicone bench anvil 2, and top is cylinder, and upper surface is with dovetail groove, and bottom is inversed taper platform, and both are integrated, and wherein cylinder height H3 takes 200～400mm, and cylinder diameter D1 takes 1800～2500mm.Bottom inversed taper platform inclination angle theta takes 20 °～25 ° and is advisable.Fig. 4 is lower frustum anvil 4, and shape is similar to the epicone bench anvil, without dovetail groove.
Fig. 1, Fig. 2 are narrow flat anvil 1, with dovetail moulding, match with the dovetail groove at the epicone bench anvil 2 top in bottom.Narrow flat anvil height is H1, desirable 800～1200mm, the desirable 600～1000mm of top width B1, bottom width B2=B1+100mm, the desirable 1800～2500mm of length L.
As shown in Figure 5,6, territory, stagnant zone during for smooth anvil upsetting, frustum anvil is adopted to carry out jumping-up, during jumping-up, first frustum top contacts forge piece blank reheating 3 upper and lower end face, promote this regional metal flow deformation, eliminating the casting flaw of blank upper and lower end face, harmony and then minimizing heart portion that raising blank deforms on axis crack tendency.
As shown in Figure 7, when upsetting process terminates, with large-scale armful of pincers, circle frustum anvil is removed, use narrow flat anvil to rotate along forging radial direction to flatten, it is rotated into anvil method and is based on the thought of partial plastic forming raising solid forging deformation uniformity, in the pressure of blank outer rim end face local, the reduction of upper anvil and blank contact surface, avoid the appearance in territory, stagnant zone, it is possible to improve forging bulk deformation uniformity significantly.When rotating pressing upper surface, it is ensured that lower anvil is lower frustum anvil, if being changed to flat anvil, then subregion, lower surface is unsettled, in upper anvil pressure process, this region is easily generated radially tension.After upper surface flattens, forging upset being placed on smooth work top, continuing to rotate pressing until completing upsetting process.Adopting narrow flat anvil to carry out forging pulling operation as shown in Figure 8, be equally based on partial plastic forming and improve the thought of solid forging deformation uniformity, in reduction, anvil and blank contact surface, reduce territory, stagnant zone, improves forging bulk deformation uniformity.
Although this utility model is disclosed above with preferred embodiment, so it is not limited to this utility model.This utility model art tool usually intellectual, without departing from spirit and scope of the present utility model, when various modifications may be made and retouching.Therefore, protection domain of the present utility model, when being as the criterion depending on those as defined in claim.
Claims (4)
1. a combination type forging tools, it is characterized in that, including being fixed on forging equipment for the narrow flat anvil (1) of pulling forging process of cogging operation, for the epicone bench anvil (2) of jumping-up forging process and the lower frustum anvil (4) of cogging operation；
The described epicone bench anvil (2) is fabricated by by upper cylinder and bottom inversed taper platform integration, and upper cylinder upper surface is with dovetail groove；Described lower frustum anvil (4) is fabricated by by top frustum and lower cylinder integration；
Described narrow flat anvil (1) bottom can pass through dovetail moulding with dovetail moulding, narrow flat anvil and the epicone bench anvil and dovetail groove is detachable combines；When narrow flat anvil and the epicone bench anvil combine, utilize the epicone bench anvil and the frustum of lower frustum anvil to contact with the upper and lower surface of forge piece blank reheating (3) and carry out jumping-up；When narrow flat anvil separated by the epicone bench anvil, utilize narrow flat anvil that forge piece blank reheating (3) is flattened and pulled out.
2. a kind of combination type forging tools according to claim 1, it is characterised in that described narrow flat anvil (1) is highly 800～1200mm, and top width is 600～1000mm, and bottom width is 700～1200mm, and length is 1800～2500mm.
3. a kind of combination type forging tools according to claim 1, it is characterised in that the Upper cylindrical height of the described epicone bench anvil (2) is 200～400mm, and diameter is 1800～2500mm, and bottom inversed taper platform inclination angle theta is 20 °～25 °.
4. a kind of combination type forging tools according to claim 1, it is characterised in that the lower cylindrical height of described lower frustum anvil (4) is 200～400mm, and diameter is 1800～2500mm, and top frustum inclination angle theta is 20 °～25 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620173645.XU CN205393435U (en) | 2016-03-07 | 2016-03-07 | Modular forging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620173645.XU CN205393435U (en) | 2016-03-07 | 2016-03-07 | Modular forging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205393435U true CN205393435U (en) | 2016-07-27 |
Family
ID=56442749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620173645.XU Expired - Fee Related CN205393435U (en) | 2016-03-07 | 2016-03-07 | Modular forging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205393435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759531A (en) * | 2019-01-10 | 2019-05-17 | 燕山大学 | The section X based on center compacting pulls out method |
| CN113426938A (en) * | 2021-07-08 | 2021-09-24 | 西北工业大学 | Hot forging and extrusion integrated continuous forming equipment |
-
2016
- 2016-03-07 CN CN201620173645.XU patent/CN205393435U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759531A (en) * | 2019-01-10 | 2019-05-17 | 燕山大学 | The section X based on center compacting pulls out method |
| CN113426938A (en) * | 2021-07-08 | 2021-09-24 | 西北工业大学 | Hot forging and extrusion integrated continuous forming equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6515376B2 (en) | Construction molding method for manufacturing homogenized forgings | |
| CN100584482C (en) | Rolling forming method of titanium alloy special-shaped ring forging | |
| CN104175062B (en) | All-fiber-texture large-size double-flange fan main shaft forging method | |
| CN102615478B (en) | Forging process of wind power main shaft | |
| CN100569412C (en) | The method for rolling and shaping of aluminium alloy taper ring forged piece | |
| CN102500733B (en) | Forging method for efficiently healing internal hole-type defects of steel ingot | |
| CN102581186B (en) | Method for controlling internal defect of large forging | |
| CN107252866B (en) | The multiple protrusion ozzle large-sized end enclosure forging integral forging and forming methods of nuclear reactor band | |
| CN104511726B (en) | Five cylinder pressure break pump crankcase manufacture method of Whole fiber Integral die-forged | |
| CN105414428A (en) | Forging technique for cake forgings | |
| CN101972830A (en) | Hot upsetting process for cast ingot with large height to diameter ratio for ultra large ring forging | |
| CN106475500A (en) | A kind of Heavy Pan Forgings forging technology | |
| CN104525829B (en) | Radially the Semi-solid Process of compressor of air conditioner aluminium alloy bent axle is prepared in forging strain induction | |
| CN105710264A (en) | Process for forging forge piece by adopting additional forced cooling conical plate upsetting method | |
| CN104561815A (en) | High-homogeneous large-size ultrahigh-strength steel bar and production method thereof | |
| CN105689613A (en) | Special forging method suitable for super duplex stainless steel bars | |
| CN101811246A (en) | Production method of wind tower flange deformed ring forging | |
| CN104561852A (en) | Process for preparing semi-solid state aluminum alloy scroll plate by radial forging strain induction method | |
| CN104988443A (en) | Preparation method for titanium alloy plate blank | |
| CN103962487A (en) | Large-scale solid-forging metal framework with lugs and manufacturing method thereof | |
| CN205393435U (en) | Modular forging instrument | |
| CN103447433A (en) | Preparation method of large-sized magnesium alloy forged disc | |
| CN102689156A (en) | GH4169 high-temperature alloy special-cross-section large annular piece liquid forging and rolling composite forming method | |
| CN104624914B (en) | Radially forging strain provocation method prepares the Semi-solid Process of engine aluminum alloy camshaft | |
| CN105215242B (en) | Method for forging concavity mold cavity module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20200307 |