CN202701259U - Forging tool of large-scale disk part provided with steps - Google Patents
Forging tool of large-scale disk part provided with steps Download PDFInfo
- Publication number
- CN202701259U CN202701259U CN 201220295959 CN201220295959U CN202701259U CN 202701259 U CN202701259 U CN 202701259U CN 201220295959 CN201220295959 CN 201220295959 CN 201220295959 U CN201220295959 U CN 201220295959U CN 202701259 U CN202701259 U CN 202701259U
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- forging
- pressure ring
- disc type
- backing plate
- type spare
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- Expired - Lifetime
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Abstract
The utility model discloses a forging tool of a large-scale disk part provided with steps. The forging tool comprises a loose tooling, a replaceable base plate and a replaceable pressing ring are arranged on the internal diameter of the loose tooling, the pressing ring is located on the base plate, and the total thickness of the base plate and the pressing ring equals to the thickness of the loose tooling. The forging tool is suitable for forging the large-scale disk part provided with the steps, can solve a problem of high cost of a mould in a loose tooling forging process adopted by the large-scale disk part, and also solves the problems of low material utilization rate and large machining quantity in a mechanical cutting method.
Description
Technical field
The utility model patent belongs to the forging and molding technical field, relates to a kind of frock, particularly relates to a kind of forging and pressing frock that the large disc type spare of step is arranged.
Background technology
At present, be widely used in large disc type parts in the plant equipment and mainly be the method manufacturing by machining, the method stock utilization is low, and machining amount is large and manufacturing time is long; There is the dish class part of step also can adopt the method for loose tooling forging to make, the corresponding loose tool of the dish class part of each different step dimension, die cost is high.Enclosing cover for impeller diameter such as centrifugal compressor reaches 1200mm, and its stepped diameters is 650mm, shoulder height 70mm.As adopting the method for forging cake machining, its stock utilization is low; As using usually used loose tooling forging method, the shrouding disc that each is not quite similar needs a separately corresponding cover loose tool, and the loose tool cost more than the diameter 1200mm is very high.Also there is the problem of step in wheel disc in the impeller of centrifugal compressor.Along with the aggravation of blower fan, compressor industry competition, reducing manufacturing cost is the important channel that product profit improves in enterprise, has particularly used the impeller reduction cost of expensive material particularly urgent.
Development along with numerical simulation technology, adopt finite element analysis software, such as DEFORM, FORGE and ABAQUS etc. can analyze the deformation process of metal in forging, for design and optimization, a kind of class part forging mold that coils cheaply of exploitation of mould provides theoretical foundation.
Summary of the invention
The purpose of this utility model is, a kind of forging and pressing frock that the large disc type spare of step is arranged is provided, this frock can solve large disc type spare and utilize the high problem of die cost in the loose tooling forging technique, has also overcome the problem that stock utilization is low in the machine cut method, machining amount is large of usually utilizing.
In order to realize above-mentioned task, the technical solution that the utility model is taked is:
A kind of forging and pressing frock that the large disc type spare of step is arranged is characterized in that, comprises a loose tool, and removable backing plate and pressure ring are arranged on the loose tool internal diameter, and pressure ring is positioned on the backing plate, and the thickness sum of backing plate and pressure ring is the thickness of loose tool.
Other characteristics of the present utility model are: the gap between described loose tool and backing plate and the pressure ring is 0.5 ~ 1mm, and cooperating tapering is 5 °～10 °.
The tapering of described pressure ring endoporus is 8 °～10 °
The forging and pressing frock that the large disc type spare of step is arranged of the present utility model, be suitable for forging large disc type spare, this dish class part is axially symmetric structure, there is step at the middle part, and each of forging coiled the stepped diameters of class part and highly is not quite similar, and the material of this dish class part can be carbon steel, stainless steel, titanium alloy, high temperature alloy etc.The thickness of pressure ring and diameter of bore determine that according to the size of forging step shaping placing class part can reach more than the 1300mm according to the loose tool diameter.
Pressure ring and backing plate are divided into plurality of specifications according to the forging step, change as required during use, and the dish class part of the different step dimension that are shaped adopts this shared loose tool to greatly reduce the expense of mould.
Because backing plate and pressure ring are replaceable, therefore when forging dish class part, change its corresponding backing plate and pressure ring according to the size of step.The frock of this structure is for convenience detach and change backing plate and pressure ring, also is beneficial to the metal flow at forging step place.
Description of drawings
Fig. 1 is the forging and pressing tool structure schematic diagram that the large disc type spare of step is arranged of the present utility model;
Fig. 2 is the I place partial enlarged drawing among Fig. 1;
Fig. 3 is for adopting this practical Novel tooling to large disc type spare shaping schematic view, wherein, (a) is the contact condition of blank and frock before the forging and pressing, (b) is the contact condition of part and frock behind the excellent suitability for press forming.
Fig. 4 is the large disc type spare that adopts this practical Novel tooling institute moulding, wherein (a) is that middle atresia and one side are with the part of step, (b) be that middle porose and one side is with the part of step, (c) be middle porose and two sides with the part of step, be that middle atresia and two sides are with the part of step (d).
The utility model is described in further detail below in conjunction with drawings and Examples.
The specific embodiment
Referring to Fig. 1 and Fig. 2, present embodiment provides a kind of forging and pressing frock that the large disc type spare of step is arranged, and comprises a loose tool 1, is inserted in a removable backing plate 2 and a pressure ring 3 on the internal diameter of loose tool 1.Pressure ring 3 is positioned on the backing plate 2, and the thickness sum of backing plate 2 and pressure ring 3 is the thickness of loose tool 1.
The forging and pressing frock of the large disc type spare that step is arranged of present embodiment preparation, be suitable for forging large disc type spare, this dish class part is axially symmetric structure, there is step at the middle part, and each of forging coiled the stepped diameters of class part and highly is not quite similar, and the material of this dish class part can be carbon steel, stainless steel, titanium alloy, high temperature alloy etc.This forging and pressing frock shaping placing class part diameter can reach more than the 1300mm, about the diskware external diameter large 100mm of loose tool diameter than maximum.
The thickness of pressure ring 3 and diameter of bore can be determined according to the size of forging step.
The angle a of loose tool 1 endoporus and pressure ring 3 and backing plate 2 is 8 °～10 °, and the tapering b of pressure ring 3 endoporus is 5 °～10 °, and the gap s of loose tool 1 endoporus and pressure ring 3 and backing plate 2 is 0.5 ~ 1mm.
Referring to Fig. 3, Fig. 3 has provided and has used the forging and pressing frock that the large disc type spare of step is arranged of the present utility model, and the process of molding large dish class part is:
There is the forging and pressing frock 5 of the large disc type spare of step to be positioned on the operating desk 6 of forging press with of the present utility model first, the large disc type spare blank 4 that flat-die forging is good is put on the forging and pressing frock 5 again, make simultaneously large disc type spare blank 4 and forging and pressing frock 5 keep concentric, start forging press, large disc type spare blank 4 finally is configured as part 7 with impacting of forging hammer under manipulator's help is spacing.
Fig. 4 (a) and (b), (c) and (d) shown in be to adopt the forging and pressing frock that the large disc type spare of step is arranged of the present utility model, shapable design of part comprises porose or without porose disc class part.
Pass through actual verification, the forging and pressing frock that the large disc type spare of step is arranged of the present utility model, only with a shared loose tool, it is simple in structure, and convenient disassembly, only just can satisfy the production requirement of large disc type spare by changing pressure ring and backing plate, than improving more than 40% by cake blank machining moulding material utilization rate.Compare with the scheme of the corresponding loose tool of dish class part of each step dimension, greatly reduce the expense of mould.
Claims (3)
1. forging and pressing frock that the large disc type spare of step is arranged, it is characterized in that, comprise a loose tool (1), removable backing plate (2) and pressure ring (3) are arranged on loose tool (1) internal diameter, pressure ring (3) is positioned on the backing plate (2), and the thickness sum of backing plate (2) and pressure ring (3) is the thickness of loose tool (1).
2. the forging and pressing frock that the large disc type spare of step is arranged as claimed in claim 1 is characterized in that, the gap between described loose tool (1) and backing plate (2) and the pressure ring (3) is 0.5 ~ 1mm, and cooperating tapering is 5 °～10 °.
3. the forging and pressing frock that the large disc type spare of step is arranged as claimed in claim 1, the tapering that it is characterized in that described pressure ring (3) endoporus is 8 °～10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295959 CN202701259U (en) | 2012-06-21 | 2012-06-21 | Forging tool of large-scale disk part provided with steps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295959 CN202701259U (en) | 2012-06-21 | 2012-06-21 | Forging tool of large-scale disk part provided with steps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202701259U true CN202701259U (en) | 2013-01-30 |
Family
ID=47581599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220295959 Expired - Lifetime CN202701259U (en) | 2012-06-21 | 2012-06-21 | Forging tool of large-scale disk part provided with steps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202701259U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655657A (en) * | 2016-12-12 | 2017-05-10 | 安徽美芝制冷设备有限公司 | Compressor, motor stator punching sheet and rotor punching sheet dies, and processing method |
| CN107999680A (en) * | 2017-10-31 | 2018-05-08 | 中国航发北京航空材料研究院 | A kind of annular auxiliary forging frock of large disc type forging |
| CN114178459A (en) * | 2021-12-07 | 2022-03-15 | 贵州航宇科技发展股份有限公司 | Method and die for forming flanged stainless steel large-taper ring piece |
-
2012
- 2012-06-21 CN CN 201220295959 patent/CN202701259U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655657A (en) * | 2016-12-12 | 2017-05-10 | 安徽美芝制冷设备有限公司 | Compressor, motor stator punching sheet and rotor punching sheet dies, and processing method |
| CN107999680A (en) * | 2017-10-31 | 2018-05-08 | 中国航发北京航空材料研究院 | A kind of annular auxiliary forging frock of large disc type forging |
| CN114178459A (en) * | 2021-12-07 | 2022-03-15 | 贵州航宇科技发展股份有限公司 | Method and die for forming flanged stainless steel large-taper ring piece |
| CN114178459B (en) * | 2021-12-07 | 2024-04-02 | 贵州航宇科技发展股份有限公司 | Forming method and die for stainless steel large taper ring with flange |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |