CN109317589A - The forging and stamping tooling and moulding process of the bowl-shape valve deck of large scale - Google Patents
The forging and stamping tooling and moulding process of the bowl-shape valve deck of large scale Download PDFInfo
- Publication number
- CN109317589A CN109317589A CN201811274884.4A CN201811274884A CN109317589A CN 109317589 A CN109317589 A CN 109317589A CN 201811274884 A CN201811274884 A CN 201811274884A CN 109317589 A CN109317589 A CN 109317589A
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- Prior art keywords
- forging
- valve deck
- bowl
- blank
- spherical
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Classifications
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- 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
- B21J5/002—Hybrid process, e.g. forging following casting
-
- 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
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/04—Piercing presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of forging and stamping tooling of the bowl-shape valve deck of large scale and moulding process, this method passes through design pressure conical surface mold, press spherical mould, the processing component that diffusion spherical surface plug and upper mold match, so that the bowl-shape valve deck of large scale is in process, greatly reduce mach accounting, and because carrying out diffusion using diffusion spherical surface plug and upper mold cooperation, the size of blank raw material is required to substantially reduce, greatly reduce forging and stamping intensity and machining difficulty, by taking prior art needs the valve deck of 25T raw material as an example, using the manufacturing method of the present invention, only need the steel of 17T raw material, save one third, this method is similarly also applied for the valve deck processing of small tonnage, save the cost relative reduction.
Description
Technical field
The present invention relates to the bowl-shape valve deck of large scale, and in particular to the forging and stamping tooling and moulding process of the bowl-shape valve deck of large scale.
Background technique
The bowl-shape valve deck of large scale, existing technique are as follows: with the valve deck of needs having a size of foundation, 1, forging and stamping are forged and pressed out full
Foot is greater than the maximum sized blank of valve deck, and in this course, the blank needed is big, and because blank leads to greatly each portion after forging and stamping
Divide strength of materials otherness big, forging and stamping difficulty is high, and 2, machining because size is big, need mach intensity big, and machining
The waste material generated in the process is more, serious waste resource, and is machined into and occupies very big specific gravity in whole process, for energy
The demand such as consumption and place, time is larger.
Summary of the invention
In view of the above technical problems, the present invention provides a kind of forging and stamping tooling of the bowl-shape valve deck of large scale and moulding process,
The processing component that this method is matched by design pressure conical surface mold, pressure spherical mould, diffusion spherical surface plug and upper mold, so that
The bowl-shape valve deck of large scale in process, greatly reduces mach accounting, and because using diffusion spherical surface plug and on
Mould cooperation carries out diffusion, and the size of blank raw material is required to substantially reduce, greatly reduces forging and stamping intensity and machining
Difficulty, by taking prior art needs the valve deck of 25T raw material as an example, using the manufacturing method of the present invention, it is only necessary to the steel of 17T raw material
Material, saves one third, and this method is similarly also applied for the valve deck processing of small tonnage, save the cost relative reduction.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: bowl-shape valve deck, including ontology,
There is through-hole, through-hole one end is enlarged diameter section, and the other end is reduced diameter section on ontology.
On axis direction, the inner body wall is along the first inner wall that larger diameter end to smaller diameter end includes circumferentially extending, the
Two inner walls, third inner wall, the 4th inner wall, the 5th inner wall;
The processing tool of bowl-shape valve deck, including inner surface molding die,
Inner surface molding die includes pressure conical surface mold, pressure spherical mould, diffusion spherical surface plug, and pressure conical surface mold includes frustum,
The first through hole of T shape is equipped on the frustum, the stub end of the first through hole of T shape is located at bottom end under frustum;
Pressure spherical mould include by half spherical crown after two planes parallel with bottom surface are cut remaining goalpost, goalpost one end is
The first big bottom surface of diameter, the other end are the second small bottom surface of diameter, the second through-hole of T shape are provided in goalpost, second is logical
The stub end in hole is located at end where the first bottom surface;
Diffusion spherical surface plug includes mandrel, and mandrel is equipped with spherical surface mould, and spherical surface mould is flat through two parallel with bottom surface by half spherical crown
Remaining spherocylinder after face is cut, the goalpost body axis direction are equipped with and the matched third through-hole of the axle diameter;
It further include one and the matched pressure head mould in bowl-shape valve deck outer surface.
Be provided with left plate for fixing bowl-shape valve deck blank, right panel on mandrel as a preferred embodiment of the above solution, left plate and
There is interval between right panel.
Pressure spherical mould further includes trunk portion as a preferred embodiment of the above solution, and cylinder end surface is connect with the first bottom surface.
The bowl-shape valve deck forge moulding technology of large scale, comprises the following steps that,
1) forging stock, the conventional play that forges and presses produce blank;
2) punching, using punching apparatus on blank punching through-hole;
3) conical surface is forged and pressed, forges and presses out the first inner conical surface using pressure conical surface mold insertion through-hole;
4) spherical surface is forged and pressed, forges and presses out the first Internal Spherical Surface using pressure spherical mould at the first inner conical surface;
5) by diffusion spherical surface plug inserting step 4) blank, blank is axial horizontal and is rotatably set on bracket, pressure head
Mould is mounted on forging and stamping head, forging and stamping head by forging and pressing blank above blank, forging and stamping process be blank rotate, stop operating, pressure head mould
Forging and stamping stop forging and pressing four step cycles progress, the first inner wall, the second inner wall, third inner wall, the 5th inner wall are formed, in third
It is machined out to form the 4th inner wall on inner wall and the 5th inner wall.
Bracket is two parallel pillars as a preferred embodiment of the above solution, and left plate and right panel are respectively positioned on two parallel on plug
Between pillar,
The beneficial effects of the present invention are: the present invention by design pressure conical surface mold, pressure spherical mould, diffusion spherical surface plug and on
The processing component that mould matches greatly reduces mach accounting so that the bowl-shape valve deck of large scale is in process, and because
Diffusion is carried out using diffusion spherical surface plug and upper mold cooperation, the size of blank raw material is required to substantially reduce, is dropped significantly
Low forging and stamping intensity and machining difficulty, by taking prior art needs the valve deck of 25T raw material as an example, using manufacture of the invention
Method, it is only necessary to which the steel of 17T raw material save one third, and this method is similarly also applied for the valve deck processing of small tonnage, section
About cost relative reduction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of bowl-shape valve deck;
Fig. 2 is the structural schematic diagram for pressing conical surface mold;
Fig. 3 is the cooperation schematic diagram of Fig. 2 and blank;
Fig. 4 is structural schematic diagram of the blank after pressure conical surface mold forging and stamping;
Fig. 5 is the structural schematic diagram for pressing spherical mould;
Fig. 6 is structural schematic diagram of the Fig. 4 after Fig. 5 is forged and pressed;
Fig. 7 is the structural schematic diagram of diffusion spherical surface plug;
Fig. 8 is the machining sketch chart of step 4.
Specific embodiment
With reference to embodiment, the specific embodiment of the present invention is further described.
The bowl-shape valve deck of large scale, structure have through-hole 9, through-hole one end is big as shown in Figure 1, including ontology 8 on ontology
Diameter segment, the other end are reduced diameter section.
On axis direction, the inner body wall is along the first inner wall 1 that larger diameter end to smaller diameter end includes circumferentially extending, the
Two inner walls 2, third inner wall 3, the 4th inner wall 4, the 5th inner wall 5;According to the needs of specific valve deck, it is also possible between two inner wall in office
Other inner walls are also extended with, herein by taking the first to the 5th inner wall as an example.
In the present embodiment, body outer surface includes the first segmental arc, the second segmental arc circumferentially, may also
Outer surface be circumferentially extending straightway, broken line, can also more bending sections.
Following tooling cooperation is needed during fabrication for the bowl-shape valve deck for above.
Punching apparatus, such as perforating press, for blank axial direction punching.
Inner surface molding die goes out bowl-shape inner surface to the blank forming after punching, specific:
Inner surface molding die includes pressure conical surface mold, pressure spherical mould, diffusion spherical surface plug.
As shown in Fig. 2, pressure conical surface mold includes frustum 10, the first through hole 11 of T shape, T shape are equipped on the frustum
The stub end of the first through hole of shape is located at bottom end under frustum;Blank forges and presses process as shown in figure 3, as shown in figure 4, scheming after forging and stamping
In 4, the plane 12 of circumferential inverted cone surface 13 and a circumferential direction positioned at inverted cone surface bottom is formed after blank forging and stamping, plane is by back taper
Face bottom is radially extended to axis.
As shown in figure 5, pressure spherical mould includes remaining after two planes parallel with bottom surface are cut by half spherical crown
Goalpost 14, goalpost one end are the first big bottom surface 16 of diameter, and the other end is the second small bottom surface 17 of diameter, are provided with T in goalpost
Second through-hole 15 of shape, the stub end of the second through-hole are located at end where the first bottom surface;After forging and stamping as shown in Figure 6.
As Figure 7-8, diffusion spherical surface plug includes mandrel 18, and mandrel is equipped with spherical surface mould 19, and spherical surface mould is by half spherical crown
The remaining spherocylinder after two planes parallel with bottom surface are cut, the goalpost body axis direction are equipped with and the axle diameter
Matched third through-hole;
It further include one and the matched pressure head mould 20 in bowl-shape valve deck outer surface.
Left plate 21 for fixing bowl-shape valve deck blank, right panel 22 are provided on mandrel, between having between left plate and right panel
Every.
Pressing spherical mould further includes trunk portion 191, and cylinder end surface is connect with the first bottom surface.
Trunk portion is first pressed into people's blank, blank is axial horizontal and is rotatably set on bracket 23, and pressure head mould is mounted on
It forges and presses on head, forging and stamping head is that blank is rotated, stopped operating, pressure head die forging pressure, stopping by forging and pressing blank, forging and stamping process above blank
It forges and presses four step cycles to carry out, the first inner wall, the second inner wall, third inner wall, the 5th inner wall is formed, in third inner wall and the 5th
It is machined out to form the 4th inner wall on inner wall.
In the above-described embodiments.
First prepare blank before punching, first need forging stock, produces blank using conventional forging and stamping play when forging stock.
1) punching, using punching apparatus on blank punching through-hole;
2) conical surface is forged and pressed, forges and presses out the first inner conical surface using pressure conical surface mold insertion through-hole;
3) spherical surface is forged and pressed, forges and presses out the first Internal Spherical Surface using pressure spherical mould at the first inner conical surface;
4) by diffusion spherical surface plug inserting step 4) blank, trunk portion is first pressed into people's blank, blank is axial horizontal and can be rotated
Be set on bracket, pressure head mould is mounted on forging and stamping head, and forging and stamping head is that blank turns by forging and pressing blank, forging and stamping process above blank
It moves, stop operating, pressure head die forging pressure, stopping forging and pressing four step cycles and carry out, forming the first inner wall, the second inner wall, in third
Wall, the 5th inner wall are machined out to form the 4th inner wall on third inner wall and the 5th inner wall.
Bracket is two parallel pillars, and left plate and right panel are respectively positioned between two parallel pillars on plug,
For those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments,
Or equivalent replacement of some of the technical features, all within the spirits and principles of the present invention, made any modification, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. the forging and stamping tooling of the bowl-shape valve deck of large scale, which is characterized in that including inner surface molding die,
Inner surface molding die includes pressure conical surface mold, pressure spherical mould, diffusion spherical surface plug, and pressure conical surface mold includes frustum,
The first hole of T shape is equipped on the frustum, the stub end of the first through hole of T shape is located at bottom end under frustum;
Pressure spherical mould include by half spherical crown after two planes parallel with bottom surface are cut remaining goalpost, goalpost one end is
The first big bottom surface of diameter, the other end are the second small bottom surface of diameter, the second through-hole of T shape are provided in goalpost, second is logical
The stub end in hole is located at end where the first bottom surface;
Diffusion spherical surface plug includes mandrel, and mandrel is equipped with spherical surface mould, and spherical surface mould is flat through two parallel with bottom surface by half spherical crown
Remaining spherocylinder after face is cut, the goalpost body axis direction are equipped with and the matched third through-hole of the axle diameter;
It further include one and the matched pressure head mould in bowl-shape valve deck outer surface.
2. the forging and stamping tooling of the bowl-shape valve deck of large scale as described in claim 1, which is characterized in that be provided on mandrel for solid
The left plate of fixed bowl-shape valve deck blank, right panel, have interval between left plate and right panel.
3. the forging and stamping tooling of the bowl-shape valve deck of large scale as described in claim 1, which is characterized in that pressure spherical mould further includes column
Body portion, cylinder end surface are connect with the first bottom surface.
4. the bowl-shape valve deck forge moulding technology of large scale, which is characterized in that it comprises the following steps that,
1) forging stock, the conventional play that forges and presses produce blank;
2) punching, using punching apparatus on blank punching through-hole;
3) conical surface is forged and pressed, forges and presses out the first inner conical surface using pressure conical surface mold insertion through-hole;
4) spherical surface is forged and pressed, forges and presses out the first Internal Spherical Surface using pressure spherical mould at the first inner conical surface;
5) by diffusion spherical surface plug inserting step 4) blank, blank is axial horizontal and is rotatably set on bracket, pressure head
Mould is mounted on forging and stamping head, forging and stamping head by forging and pressing blank above blank, forging and stamping process be blank rotate, stop operating, pressure head mould
Forging and stamping stop forging and pressing four step cycles progress, the first inner wall, the second inner wall, third inner wall, the 5th inner wall are formed, in third
It is machined out to form the 4th inner wall on inner wall and the 5th inner wall.
5. such as weighing the bowl-shape valve deck forge moulding technology of large scale as claimed in claim 4, which is characterized in that bracket is two parallel
Pillar, left plate and right panel are respectively positioned between two parallel pillars on plug.
Priority Applications (1)
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CN201811274884.4A CN109317589A (en) | 2018-10-30 | 2018-10-30 | The forging and stamping tooling and moulding process of the bowl-shape valve deck of large scale |
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CN201811274884.4A CN109317589A (en) | 2018-10-30 | 2018-10-30 | The forging and stamping tooling and moulding process of the bowl-shape valve deck of large scale |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5671547A (en) * | 1979-11-16 | 1981-06-15 | Kobe Steel Ltd | Reducing forging method of large-sized ring |
CN101279348A (en) * | 2008-04-23 | 2008-10-08 | 贵州航宇科技发展有限公司 | Method for rolling and shaping aluminum alloy conical ring |
CN102294430A (en) * | 2011-08-10 | 2011-12-28 | 贵州航天新力铸锻有限责任公司 | Conformal forging moulding process of hemispherical head |
CN102319854A (en) * | 2011-08-18 | 2012-01-18 | 贵州航天新力铸锻有限责任公司 | Forging method for side end enclosures of supercritical steam-water separators |
CN102430897A (en) * | 2011-10-28 | 2012-05-02 | 江阴市恒润环锻有限公司 | Thermal deformation technique of flange with abnormal section |
CN103008521A (en) * | 2012-10-22 | 2013-04-03 | 沈阳黎明航空发动机(集团)有限责任公司 | Forming die for conic forgings and forming method thereof |
-
2018
- 2018-10-30 CN CN201811274884.4A patent/CN109317589A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5671547A (en) * | 1979-11-16 | 1981-06-15 | Kobe Steel Ltd | Reducing forging method of large-sized ring |
CN101279348A (en) * | 2008-04-23 | 2008-10-08 | 贵州航宇科技发展有限公司 | Method for rolling and shaping aluminum alloy conical ring |
CN102294430A (en) * | 2011-08-10 | 2011-12-28 | 贵州航天新力铸锻有限责任公司 | Conformal forging moulding process of hemispherical head |
CN102319854A (en) * | 2011-08-18 | 2012-01-18 | 贵州航天新力铸锻有限责任公司 | Forging method for side end enclosures of supercritical steam-water separators |
CN102430897A (en) * | 2011-10-28 | 2012-05-02 | 江阴市恒润环锻有限公司 | Thermal deformation technique of flange with abnormal section |
CN103008521A (en) * | 2012-10-22 | 2013-04-03 | 沈阳黎明航空发动机(集团)有限责任公司 | Forming die for conic forgings and forming method thereof |
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Application publication date: 20190212 |