CN205798302U - Big rustless steel key seat forging mold peculiar to vessel - Google Patents
Big rustless steel key seat forging mold peculiar to vessel Download PDFInfo
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- CN205798302U CN205798302U CN201620648018.7U CN201620648018U CN205798302U CN 205798302 U CN205798302 U CN 205798302U CN 201620648018 U CN201620648018 U CN 201620648018U CN 205798302 U CN205798302 U CN 205798302U
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- blocking
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- lower mold
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Abstract
This utility model provides a kind of big rustless steel key seat forging mold peculiar to vessel, and this forging mold includes drain cap loose tool, blocker, shaping mould and edger；Wherein, blocker is the closed molds of non-trimming groove structure, blocker includes blocking upper mold, blocking lower mold and blocking die-cushion, blocking upper mold has model cavity on blocking, blocking lower mold has blocking lower mold die cavity, blocking die-cushion is located at the bottom of blocking lower mold die cavity, and blocking die-cushion top is truncated cone structure protruding upward.This utility model is by improving the structure of blocker and shaping mould, the structure making whole forging mold is more reasonable, practical, such that it is able to the equipment realizing less tonnage produces the rustless steel key seat that large tonnage equipment just can be produced, it is effectively saved production cost.Meanwhile, the every mechanical property of forging produced and internal soundness all can reach to design requirement, and stock utilization is high.
Description
Technical field
This utility model relates to technical field of forging, is specifically related to a kind of big rustless steel key seat forging mold peculiar to vessel.
Background technology
Key seat is the part that a kind of comparison on big ship is crucial and important, generally uses PH stainless steel material
Material makes, and requires the highest, to non-metallic inclusion, macrostructure to its intensity, toughness, mechanical property, grain size, corrosion resistance etc.
The highest with prescriptions such as ultrasonic examinations.Additionally, the structure of key seat is the most complicated, its structure includes thin pros
Plate, the two ends up and down of this thin square plate are connected to the circular frustum varied in size, which is provided with reinforcement, the center portion thereof position
Also having big and deep blind hole, overall non-machined surface is more, belongs to the forging part of Short Axis Kind complex class shape.Therefore, big rustless steel peculiar to vessel
The forging mold of key seat is extremely important to the big ship of China and the development of defence equipment.
At present, the production method of this type of part mainly has two kinds, and one is at die hammer die forging, is suitable for high-volume raw
Producing, but the die cost used in this method is high, forging flash spillage of material is many, it is common that the 18% of forge weight is left
The right side, and production cycle length, equipment investment are big；Another kind is to use the forging of flat-die forging method, reprocesses after first forging simple shape
Shaping, be suitable for the production of the general part of small batch, this method stock utilization is the lowest, is generally only about 30%, adds
Work cost is high, and the material of about 70% to remove becomes waste material, and production cycle length, metal fibrous tissue are destroyed, its mechanics
Performance does not reaches design requirement.
Rustless steel key seat on big ship, its forging horizontal projected area about 1100cm2, use precipitation hardenable stainless
Steel material makes, and the prices of raw materials of making are higher.Carrying out die forging according to die hammer, the equipment tonnage of needs is 7 tons, accordingly
Die cost expensive, its total cost of production is higher；Shaping according to open die forging, its total cost of production is the highest, and
Its mechanical property and grain size etc. do not reach design requirement yet.
Utility model content
This utility model provides a kind of big rustless steel key seat forging mold peculiar to vessel, to solve production method of the prior art
The mechanical property of the rustless steel key seat produced and internal soundness do not reach the problem such as design requirement and production cost height.
This utility model provides a kind of big rustless steel key seat forging mold peculiar to vessel, described forging mold include drain cap loose tool,
Blocker, shaping mould and edger；
Wherein, described blocker is the closed molds of non-trimming groove structure, and described blocker includes under blocking upper mold, blocking
Mould and blocking die-cushion, the centre position of described blocking upper mold has model cavity on the blocking upwards caved in, described blocking lower mold
Having the blocking lower mold die cavity of concave downward, described blocking die-cushion is located at below described blocking lower mold die cavity, described blocking die-cushion top
Portion is truncated cone structure protruding upward；Described blocking upper mold, described blocking lower mold and described blocking die-cushion combine after shape
The internal cavity shape become is identical with the external shape of pre-forging.
As optimal way of the present utility model, on described blocking, model cavity is truncated cone structure, described blocking lower mold
Die cavity top is square column type structure, and the centre position of bottom is rounding taper type structure, and described rounding taper type structure surrounding is equal
It is furnished with four reinforcing rib structures.
As optimal way of the present utility model, the sidewall pattern draft on described blocking lower mold die cavity top is 0 °.
As optimal way of the present utility model, the tapering of the truncated cone structure at described blocking die-cushion top is 20 °.
As optimal way of the present utility model, described blocking upper mold sidewall and described blocking lower mold die cavity upper portion side wall it
Between gap be 1mm.
As optimal way of the present utility model, described blocking lower mold is provided with blocking demoulding through hole, and described blocking die-cushion sets
In described blocking demoulding through hole.
As optimal way of the present utility model, described shaping mould includes shaping upper, molding lower mold, punching pin and shaping mould
Pad, the centre position of described shaping upper has the shaping upper die cavity upwards caved in, and described molding bottom die has concave downward
Molding lower mold die cavity, described molding die-cushion is located at below described molding lower mold die cavity, described molding die-cushion top be provided with for
Accommodating the cavity of described punching pin, described punching pin is movably arranged in described cavity, and described punching pin top is circular cone protruding upward
Platform shape structure；The inner chamber that described shaping upper, described molding lower mold, described punching pin and described molding die-cushion are formed after combining
Shape is identical with the external shape of finish-forging part.
As optimal way of the present utility model, described shaping upper die cavity top is truncated cone structure, and bottom is platform
Scalariform square column type structure；Described molding lower mold die cavity top is step-like square column type structure, and bottom is rounding taper type structure, institute
State rounding taper type structure and be uniformly distributed on peripheries with four reinforcing rib structures.
As optimal way of the present utility model, described molding lower mold is provided with shaping and demoulding through hole, and described molding die-cushion sets
In described shaping and demoulding through hole.
As optimal way of the present utility model, described shaping upper is provided with the guide pillar for guiding, under described molding
Mould is provided with the guide pin bushing matched with described guide pillar.
The rustless steel key seat forging mold big peculiar to vessel that this utility model provides, by the structure to blocker and shaping mould
Improving, the structure making whole forging mold is more reasonable, practical, such that it is able to the equipment realizing less tonnage produces bigger ton
The rustless steel key seat that the equipment of position just can be produced, is effectively saved production cost.Meanwhile, the forging that this utility model provides is utilized
Modeling has the rustless steel key seat produced, and every mechanical property and internal soundness all can reach to design requirement, stock utilization
High.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
In the rustless steel key seat forging mold big peculiar to vessel that Fig. 1 provides for this utility model embodiment, the structure of drain cap loose tool is shown
It is intended to；
The structural representation of blocker in the rustless steel key seat forging mold big peculiar to vessel that Fig. 2 provides for this utility model embodiment
Figure；
The structural representation of shaping mould in the rustless steel key seat forging mold big peculiar to vessel that Fig. 3 provides for this utility model embodiment
Figure；
The knot of the steps of manufacturing blanks that the rustless steel key seat forging mold big peculiar to vessel that Fig. 4 provides for this utility model embodiment processes
Structure schematic diagram；
The knot of the pre-forging that the rustless steel key seat forging mold big peculiar to vessel that Fig. 5 provides for this utility model embodiment processes
Structure schematic diagram；
The knot of the finish-forging part that the rustless steel key seat forging mold big peculiar to vessel that Fig. 6 provides for this utility model embodiment processes
Structure schematic diagram；
The key seat forging that the rustless steel key seat forging mold big peculiar to vessel that Fig. 7 provides for this utility model embodiment processes
Structural representation；
The key seat forging that the rustless steel key seat forging mold big peculiar to vessel that Fig. 8 provides for this utility model embodiment processes
Perspective view
The key seat forging that the rustless steel key seat forging mold big peculiar to vessel that Fig. 9 provides for this utility model embodiment processes
Another perspective view.
Wherein, 1, blocking upper mold, 2, blocking lower mold, 3, blocking die-cushion, 4, shaping upper, 5, molding lower mold, 6, punching pin, 7,
Molding die-cushion, 8, guide pillar, 9, guide pin bushing.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
This utility model embodiment discloses a kind of big rustless steel key seat forging mold peculiar to vessel, mainly for precipitation hardenable
Stainless steel material has feature, pin structure complexity, the forming difficulty such as hard, glutinous, metal fluidity difference and need to set with large-tonnage
Design for situations such as productions.This forging mold includes this four classes mould of drain cap loose tool, blocker, shaping mould and edger, point
It is not applied in each flow process of Forging Technology.
With reference to shown in Fig. 1, drain cap loose tool uses conventional design layout design, and this drain cap placenta has the drain cap of concave downward
Loose tool die cavity, wherein the top of drain cap loose tool die cavity is cylindrical structure, and middle part is turbination structure, and bottom is short cylindrical shape
Structure.
This drain cap loose tool simple in construction, processing ease, can make the short cylindrical in the steps of manufacturing blanks of molding wherein, rounding frustum
And the metal material accumulation at pulling square column type position is precisely, it is ensured that during blocking, these difficult shapings are completely filled with and there is not folding
The defects such as folded or misrun, serve the effect that comparison is crucial in whole forging process.Directly carry out pre-according to blank
Forging, then can cause four reinforcements of pre-forging during blocking and square column four corners position can not be full of, when also resulting in finish-forging simultaneously
The middle part on square column four limit of terminal member forms too much overlap, causes waste of material；According to open die forging base, then cannot forge
The shape and size such as short cylindrical and rounding frustum.
With reference to shown in Fig. 2, blocker is the closed molds of non-trimming groove structure, can make full use of the strike energy of equipment
Amount, it is achieved the forging part completing 70kN die hammer on the Single arm of 30kN produces, and will not produce overlap waste material, material profit
High by rate.This blocker includes blocking upper mold 1, blocking lower mold 2 and blocking die-cushion 3, blocking upper mold 1, blocking lower mold 2 and blocker
The internal cavity shape that pad 3 is formed after combining is identical with the external shape of pre-forging.Wherein, the centre position of blocking upper mold 1
Having model cavity on the blocking upwards caved in, it is truncated cone structure, is so conducive to the flowing of metal material, gold during shaping
Belong to material and will not produce fold cracks while full die cavity.
Blocking lower mold 2 has the blocking lower mold die cavity of concave downward, and its top is square column type structure, the centre position of bottom
For rounding taper type structure, rounding taper type structure is uniformly distributed on peripheries with four reinforcing rib structures.Preferably, on blocking lower mold die cavity
The sidewall pattern draft in portion is designed as 0 ° so that equipment is when hammering, and its blow energy can be concentrated by this closed molds
Metal material absorbs and is converted to work of deformation, makes metal material be full of each die cavity, provides to gather for finish forging and expects accurate, shape
Preferable pre-forging.Blocking lower mold 2 is additionally provided with blocking demoulding through hole, the easy demoulding of pre-forging.It addition, blocking upper mold 1 sidewall with
Gap between blocking lower mold die cavity upper portion side wall is designed as 1mm, and it can be blocking upper mold 1 and blocking lower mold 2 offer location
Guide effect, is equally beneficial for the demoulding.
Blocking die-cushion 3 is located in the blocking demoulding through hole below blocking lower mold die cavity, and its top is circular cone protruding upward
Platform shape structure, bottom is cylindrical structural.During pre-forging demoulding, realized by this blocking die-cushion 3 of hammering.Preferably, blocker
The tapering of the truncated cone structure padding 3 tops is 20 °, and blocker pad 3 can be made to be smoothly detached with pre-forging.Additionally, blocker
The truncated cone structure padding 3 tops makes to be formed bottom pre-forging a frustum of a cone hole, and this frustum of a cone hole is placed pre-when becoming finish-forging
Hole, location during forging.
With reference to shown in Fig. 3, shaping mould, on the basis of open forging die designs, is integrated with again loose tool design, it is ensured that structure
The production of complicated key seat finish-forging part, has saved material, and whole forging forming is good, it is ensured that every mechanical property of finish-forging part and interior
Portion's quality.This shaping mould includes shaping upper 4, molding lower mold 5, punching pin 6 and molding die-cushion 7, shaping upper 4, molding lower mold 5,
The internal cavity shape that punching pin 6 is formed after combining with molding die-cushion 7 is identical with the external shape of finish-forging part.Wherein, in molding
The centre position of mould 4 has the shaping upper die cavity upwards caved in, and its top is truncated cone structure, and bottom is step-like square column
Shape structure.
Molding lower mold 5 has the molding lower mold die cavity of concave downward, and its top is step-like square column type structure, and bottom is for falling
Truncated cone structure, this rounding taper type structure is uniformly distributed on peripheries with four reinforcing rib structures.Molding lower mold 5 is additionally provided with shaping and demoulding
Through hole, the easy demoulding of finish-forging part.
Molding die-cushion 7 is located in the shaping and demoulding through hole below molding lower mold die cavity, and molding die-cushion 7 is cylindrical structural,
Its top is provided with the cavity for accommodating punching pin 6.During whole forging demoulding, realized by this molding die-cushion 7 of hammering.Punching pin 6 top
For truncated cone structure protruding upward, bottom is cylindrical structural.Punching pin 6 is arranged in the cavity of molding die-cushion 7, due to punching
Son 6 is consumable accessory, is easier to change by movable for punching pin 6 setting, can effectively extend the life-span of mould.Punching pin 6 is utilized to enter during finish-forging
Row punching, it is ensured that four reinforcements of finish-forging part are full of, simultaneously by increasing deflection to ensure the mechanical property of finish-forging part
Reach to design requirement with internal soundness.Additionally, shaping upper 4 is provided with the guide pillar 8 for guiding, molding lower mold is provided with and is somebody's turn to do
The guide pin bushing 9 that guide pillar matches.
Edger uses conventional design layout design, for the common knowledge of those skilled in the art, does not therefore show in accompanying drawing
Go out the concrete structure of this edger.
The rustless steel key seat forging mold big peculiar to vessel utilizing this utility model embodiment to provide carries out the life of rustless steel key seat
During product, its technical process is as follows:
(1) φ 120 rustless steel bar is divided into the blank of length 303mm, and footpath ratio is 2.5, it is therefore an objective to increase forging
Ratio.
(2) blank heated is placed on lower anvil touches thick descale, then blank is put in drain cap loose tool
Partial plastic forming；Taking out blank from drain cap loose tool, open die forging pulling four directions becomes steps of manufacturing blanks, and the shape of steps of manufacturing blanks is specifically shown in Fig. 4 institute
Show.The effect of this process is reasonable layout metal material, makes each position of steps of manufacturing blanks be reserved with metal accurately and calculates volume.
(3) steps of manufacturing blanks heated is placed on lower anvil touches descale, then blocker is positioned on lower anvil, depends on
Secondary blocking die-cushion and steps of manufacturing blanks being put into carries out blocking in blocker.Blocking upper mold is taken out after completing by blocking with operation machine, with
Time make blocking lower mold overturn 180 °, tap blocking die-cushion, the demoulding automatically separating with blocking die-cushion from blocking lower mold of pre-forging,
The shape of pre-forging is concrete as shown in Figure 5.The effect of this process is by the position shaped difficult in key seat forging, is piled up by blocking
Metal volume and the rational shape of shaping accurately.
(4) shaping mould is positioned on lower anvil, successively molding die-cushion, punching pin and the pre-forging heated is put into shaping mould
In carry out finish-forging.Shaping upper is taken out after completing by finish-forging with operation machine, makes molding lower mold overturn 180 ° simultaneously, taps shaping mould
Pad, the demoulding from molding lower mold of finish-forging part also separates with punching pin and molding die-cushion automatically, and the shape of finish-forging part is specifically shown in Fig. 6 institute
Showing, wherein overlap only produces in bridge portion.
(5) being finally placed in edger by finish-forging part and carry out hot trimming, overlap cuts from finish-forging part, and whole key seat is forged
The forging of part completes, and the shape of key seat forging is specifically shown in shown in Fig. 7, Fig. 8 and Fig. 9, and wherein Fig. 8 and Fig. 9 is key seat forging
Three-dimensional structure diagram, it more can reflect the complexity of key seat forging structure.
Finally, the material of the forging that the rustless steel key seat forging mold big peculiar to vessel that this utility model embodiment provides is produced
Utilization rate, mechanical property and internal soundness are shown in Table 1 respectively, shown in table 2 and table 3.
Table 1 stock utilization synopsis
Table 2 this utility model forging mechanical performance data table
Table 3 this utility model forging internal soundness tables of data
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. a big rustless steel key seat forging mold peculiar to vessel, it is characterised in that described forging mold includes drain cap loose tool, blocking
Mould, shaping mould and edger；
Wherein, described blocker is the closed molds of non-trimming groove structure, described blocker include blocking upper mold, blocking lower mold and
Blocking die-cushion, the centre position of described blocking upper mold has model cavity on the blocking upwards caved in, and described blocking lower mold is oriented
The blocking lower mold die cavity of lower recess, described blocking die-cushion is located at below described blocking lower mold die cavity, and described blocking die-cushion top is
Truncated cone structure protruding upward；Described blocking upper mold, described blocking lower mold and described blocking die-cushion are formed after combining
Internal cavity shape is identical with the external shape of pre-forging.
Forging mold the most according to claim 1, it is characterised in that on described blocking, model cavity is truncated cone structure,
Described blocking lower mold die cavity top is square column type structure, and the centre position of bottom is rounding taper type structure, described rounding frustum
Shape structure is uniformly distributed on peripheries with four reinforcing rib structures.
Forging mold the most according to claim 1, it is characterised in that the sidewall withdrawing pattern on described blocking lower mold die cavity top is oblique
Degree is 0 °.
Forging mold the most according to claim 1, it is characterised in that the truncated cone structure at described blocking die-cushion top
Tapering is 20 °.
Forging mold the most according to claim 1, it is characterised in that described blocking upper mold sidewall and described blocking drag
Gap between the upper portion side wall of chamber is 1mm.
Forging mold the most according to claim 1, it is characterised in that described blocking lower mold is provided with blocking demoulding through hole, institute
State blocking die-cushion to be located in described blocking demoulding through hole.
Forging mold the most according to any one of claim 1 to 6, it is characterised in that described shaping mould includes in molding
Mould, molding lower mold, punching pin and molding die-cushion, the centre position of described shaping upper has the shaping upper die cavity upwards caved in,
Described molding bottom die has the molding lower mold die cavity of concave downward, and described molding die-cushion is located at below described molding lower mold die cavity,
Described molding die-cushion top is provided with the cavity for accommodating described punching pin, and described punching pin is movably arranged in described cavity, described
Punching pin top is truncated cone structure protruding upward；Described shaping upper, described molding lower mold, described punching pin and described molding
The internal cavity shape that die-cushion is formed after combining is identical with the external shape of finish-forging part.
Forging mold the most according to claim 7, it is characterised in that described shaping upper die cavity top is truncated cone knot
Structure, bottom is step-like square column type structure；Described molding lower mold die cavity top is step-like square column type structure, and bottom is inverted cone
Platform shape structure, described rounding taper type structure is uniformly distributed on peripheries with four reinforcing rib structures.
Forging mold the most according to claim 7, it is characterised in that described molding lower mold is provided with shaping and demoulding through hole, institute
State molding die-cushion to be located in described shaping and demoulding through hole.
Forging mold the most according to claim 7, it is characterised in that described shaping upper is provided with for leading of guiding
Post, described molding lower mold is provided with the guide pin bushing matched with described guide pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620648018.7U CN205798302U (en) | 2016-06-24 | 2016-06-24 | Big rustless steel key seat forging mold peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620648018.7U CN205798302U (en) | 2016-06-24 | 2016-06-24 | Big rustless steel key seat forging mold peculiar to vessel |
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| Publication Number | Publication Date |
|---|---|
| CN205798302U true CN205798302U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620648018.7U Expired - Fee Related CN205798302U (en) | 2016-06-24 | 2016-06-24 | Big rustless steel key seat forging mold peculiar to vessel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109226628A (en) * | 2018-10-15 | 2019-01-18 | 西南铝业（集团）有限责任公司 | A kind of aluminium lithium alloy cone cylinder mold |
| CN110153348A (en) * | 2019-06-11 | 2019-08-23 | 清华大学 | Forging apparatus and forging method |
| CN110814268A (en) * | 2019-11-13 | 2020-02-21 | 山东成通锻造有限公司 | Connecting ring forging process |
| CN110899585A (en) * | 2018-09-17 | 2020-03-24 | 上海新闵重型锻造有限公司 | Die forging manufacturing method of steam outlet connecting pipe forge piece |
| CN110976729A (en) * | 2019-12-25 | 2020-04-10 | 江西景航航空锻铸有限公司 | Forging method and closed upsetting-extruding die for disc cantilever forge pieces |
| CN111922275A (en) * | 2020-06-12 | 2020-11-13 | 中煤北京煤矿机械有限责任公司 | Die for machining middle cylinder piston head forging |
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2016
- 2016-06-24 CN CN201620648018.7U patent/CN205798302U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899585A (en) * | 2018-09-17 | 2020-03-24 | 上海新闵重型锻造有限公司 | Die forging manufacturing method of steam outlet connecting pipe forge piece |
| CN109226628A (en) * | 2018-10-15 | 2019-01-18 | 西南铝业（集团）有限责任公司 | A kind of aluminium lithium alloy cone cylinder mold |
| CN109226628B (en) * | 2018-10-15 | 2024-03-08 | 西南铝业（集团）有限责任公司 | Aluminum lithium alloy cone cylinder die |
| CN110153348A (en) * | 2019-06-11 | 2019-08-23 | 清华大学 | Forging apparatus and forging method |
| CN110814268A (en) * | 2019-11-13 | 2020-02-21 | 山东成通锻造有限公司 | Connecting ring forging process |
| CN110976729A (en) * | 2019-12-25 | 2020-04-10 | 江西景航航空锻铸有限公司 | Forging method and closed upsetting-extruding die for disc cantilever forge pieces |
| CN111922275A (en) * | 2020-06-12 | 2020-11-13 | 中煤北京煤矿机械有限责任公司 | Die for machining middle cylinder piston head forging |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Big marine stainless steel key seat forges mould Effective date of registration: 20190617 Granted publication date: 20161214 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: Xi'an Kunpeng Forging Branch trade limited liability company Registration number: 2019610000122 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20210624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |