CN106391983B - It is a kind of precisely to fast implement the molding processing method of tooth and mold - Google Patents
It is a kind of precisely to fast implement the molding processing method of tooth and mold Download PDFInfo
- Publication number
- CN106391983B CN106391983B CN201610941240.0A CN201610941240A CN106391983B CN 106391983 B CN106391983 B CN 106391983B CN 201610941240 A CN201610941240 A CN 201610941240A CN 106391983 B CN106391983 B CN 106391983B
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- Prior art keywords
- green body
- tooth
- mold
- product
- upsetting
- Prior art date
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- 238000000465 moulding Methods 0.000 title claims abstract description 24
- 238000003672 processing method Methods 0.000 title claims abstract description 16
- 239000000314 lubricant Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000005242 forging Methods 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 claims description 5
- 238000007514 turning Methods 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 2
- 150000003891 oxalate salts Chemical class 0.000 claims description 2
- 229910001069 Ti alloy Inorganic materials 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010862 gear shaping Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/30—Making machine elements wheels; discs with gear-teeth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/04—Shaping in the rough solely by forging or pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
One kind precisely fast implementing the molding processing method of tooth, is related to field of machining, comprising the following steps: a, converted products blank;B, it lubricates;C, heating upsetting molding；D, lubricant layer is removed;E, it is heat-treated;F, converted products shape is modified.Used mold is as follows during upsetting: mold is made of fixing sleeve, guide sleeve, upper ejector pin, lower push rod, mold core.Using technical solution disclosed in present patent application, advantage is as follows: 1, the design uses mold upsetting shaped article tooth form, and shape of product and size be easily guaranteed that, stable product quality, reliable.2, cutter loss is small, at low cost.3, high-efficient, working efficiency improves 20 times or more.4, it can be applied on sizes, shape and a variety of raw material, applicability is wide.The configuration of the present invention is simple, cutter loss is small, at low cost, high-efficient, and quality is stable, reliable, easy to implement, can be popularized and applied on the profiled parts and a variety of raw material of various sizes shape.
Description
Technical field
The present invention relates to field of machining, and in particular to one kind can standard fast implement the molding processing method of tooth.
Background technique
With the continuous renewal of various mechanical equipments, it is also rapidly developing to meet the part of the various functions of mechanical equipment,
Some special shapes and the part of functional requirement are also constantly being invented and are being used, such as: it is this with more shown in attached drawing 2
The profiled parts of a anti-slop serrations.The part of this type, it is difficult to form, especially material used by it is high hardness alloy
When equal difficult-to-machine materials, in the part for needing to process the type, if using traditional machining process (such as milling tooth,
Gear shaping etc.) manufacturing process, need the tool for cutting machining of design specialized, and cutter loss is very high, the single-piece work time and plus
The work period is long, and most serious of all, the product qualification rate that traditional handicraft processes is very low, and dimensional accuracy not can guarantee.For
The dentation part for meeting these special shapes and functional requirement is produced, and to improve machining accuracy, product qualification rate and efficiency,
Spy designs processing, and these have the processing method of the part of special shape and functional requirement, meet product design to meet to produce
It is required that part.
Summary of the invention
To solve, profiled parts machining accuracy not can guarantee in the prior art, product qualification rate is low, needs design specialized
The a series of technical problem such as very high, single-piece work time and process-cycle length, this hair is lost in tool for cutting machining and cutter
It is bright that a kind of machining accuracy that can precisely guarantee profiled parts is provided, and can the extremely fast molding processing method of tooth.
It is a kind of precisely to fast implement the molding processing method of tooth, comprising the following steps:
A, converted products blank: using method for turning, makes to form crude green body, the length of crude green body at the tooth form of the product of processing
Degree is longer than the design size of product, and the radial dimension of crude green body is less than the design size of finished product radial direction；Size is determining, be with material
Deflection is standard, and the material volume before and after crude green body upset section is made to match;
B, it lubricates: plating lubricant layer in the part of anti-slop serrations to be processed, select suitable material as lubricant layer；The material of lubricant layer
Material and mold materials must be unable to adhesion, and lubrication layer material cannot incorporate in product material during subsequent heat and upsetting
It goes;
C, heating upsetting molding: first mold is fixed on stamping equipment, part crude green body is heated, heating temperature connects
Closely but it is less than product material crystal grain transformation temperature value；The part blank that heating terminates is put into rapidly upsetting in mold to shape；
D, lubricant layer is removed: by the lubrication coating of the product removal piece surface after upsetting;
E, it is heat-treated: part after molding is carried out to the heat treatment for meeting design requirement;
F, it modifies converted products shape: forging face is modified.
For cooperate the above method use, used mold is as follows during upsetting: mold by fixing sleeve, guide sleeve,
Upper ejector pin, lower push rod, mold core composition, fixing sleeve are fixed on the table top of upsetting apparatus, and design has through-hole in fixing sleeve, puts in hole
Lower push rod is set, parts to be processed is placed on the lower push rod of through-hole, the teeth portion of parts to be processed is higher than the top surface of fixing sleeve；Guide sleeve
Interior setting can be coaxial with fixing sleeve through-hole, through-hole top is equipped with upper ejector pin, and lower part is equipped with tooth form mold core, and mold core is processed into
The toothed design size of type curved surface size and parts to be processed matches.
Using technical solution disclosed in present patent application, advantage is as follows: 1, the design is produced using mold upsetting molding
Product tooth form, shape of product and size be easily guaranteed that, stable product quality, reliable.2, cutter loss is small, at low cost.It is 3, high-efficient,
Than traditional cutting working method, working efficiency improves 20 times or more.4, sizes, shape and a variety of former materials be can be applied to
On material, applicability is wide.The configuration of the present invention is simple, cutter loss is small, at low cost, high-efficient, and quality is stable, reliable, easy to implement,
It can be popularized and applied on the profiled parts and a variety of raw material of various sizes shape.It this method marketing with higher and answers
With value.
Detailed description of the invention
Fig. 1: upsetting process and assemble structure chart；
Fig. 2: the parts to be processed front view with anti-slop serrations；
Fig. 3: the parts to be processed top view with anti-slop serrations；
The enlarged drawing of part A in Fig. 4: Fig. 3.
In figure: 1, upper ejector pin 2, guide sleeve 3, mold core 4, parts to be processed 5, fixing sleeve 6, lower push rod 7, anti-slop serrations
Specific embodiment
In order to more fully explain implementation of the invention, this hair is further illustrated below in conjunction with specific embodiment and view
It is bright.The given examples are served only to explain the present invention, rather than limits the scope of protection of the present invention.
When the proximal head outside circumference that parts to be processed 4 is axis is processed along axial anti-slop serrations 7, structure is as schemed, material
When material selects GH2312 alloy, specific processing method is as follows:
It is a kind of precisely to fast implement the molding processing method of GH2312 alloy anti-slop serrations 7, comprising the following steps:
A, converted products blank: using method for turning, makes to form crude green body, the length of crude green body at the tooth form of the product of processing
Degree is longer than the design size of product, and the radial dimension of crude green body is less than the design size of finished product radial direction；Size is determining, be with material
Deflection is standard, and the material volume before and after crude green body upset section is made to match;
B, it lubricates: selecting copper as lubriation material, the copper facing at the anti-slop serrations 7 of parts to be processed 4, thickness of coating is 3-8 μ
m;
C, heating upsetting molding: first mold is fixed on stamping equipment, part crude green body is heated, heating temperature is
950-1050℃；The part blank that heating terminates is put into rapidly upsetting in mold to shape；
D, lubricant layer is removed: using chemical change, by the copper coating on the product removal surface after upsetting;
E, it is heat-treated: part after molding is carried out to the heat treatment for meeting design requirement;
F, it modifies converted products shape: forging face is modified.
For the use for cooperating the above method, used mold is as follows during upsetting: mold is by fixing sleeve 5, guide sleeve
2, upper ejector pin 1, lower push rod 6, mold core 3 form, and fixing sleeve 5 is fixed on the table top of upsetting apparatus, there is logical design in fixing sleeve 5
Lower push rod 6 is placed in hole in hole, and parts to be processed 4 is placed on the lower push rod 6 of through-hole, and the teeth portion of parts to be processed 4, which is higher than, fixes
The top surface of set 5；The through-hole that setting can be coaxial with fixing sleeve 5 in guide sleeve 2, through-hole top are equipped with upper ejector pin 1, and lower part installation is with teeth
Shape mold core 3,3 machine-shaping curved surface size of mold core and the toothed design size of parts to be processed 4 match.
Plating lubricant layer is the key that one of the processing method, and lubricant layer can reduce the frictional force between product and mold,
Increase die life, convenient for demoulding.
The selection of lubricant layer, is even more important, and coating material is when the material difference of parts to be processed 4, suitable lubricant layer
Material is different.
Such as when part material selects GH2132 alloy, the lubricant layer selects copper best.Parts to be processed 4 is titanium conjunction
Jin Shi, the lubricant layer are to carry out fluoroboration processing to be formed by layer.When parts to be processed 4 is 1cr17ni2 Alloy,
The lubricant layer selects oxalates.
Upsetting molding is heated, is the key that the two of the processing method, needs to be fixed on mold on specific stamping equipment,
Such as pressure forming machine, with specific heating equipment or heating device, such as high frequency induction heater, part blank quickly add
The part blank that heating terminates is put into rapidly in mold upsetting and shaped by heat, is guaranteeing material property and product mechanical performance
In the case of, i.e., under the premise of guaranteeing brilliant power transformation temperature of the heating temperature no more than material, heating makes tooth form molding more
It is easy, upsetting makes metal material by defined shape and size flowing forming, keeps its mechanical performance more excellent；Go lubricant layer and
Heat treatment, guarantees the material property and final mechanical performance of product, is finally processed using technological means such as turning and meets design
It is required that product shape, mainly forging face is processed.The design can be applied to the profiled parts of a variety of shapes and sizes,
Also it can be applied to the processing of various metals material, including the material that some machinings are difficult.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (5)
1. a kind of precisely fast implement the molding processing method of tooth, comprising the following steps:
A, converted products blank: using method for turning, makes to form crude green body at the tooth form of the product of processing, the length of crude green body is long
In the design size of product, the radial dimension of crude green body is less than the design size of finished product radial direction；Size is determining, be with the deformation of material
Amount is standard, and the material volume before and after crude green body upset section is made to match;
B, it lubricates: plating lubricant layer in the part of anti-slop serrations to be processed, select suitable material as lubricant layer；The material of lubricant layer
It must be unable to adhesion with mold materials, lubrication layer material cannot incorporate in product material during subsequent heat and upsetting;
C, mold: being first fixed on stamping equipment, heat to part crude green body by heating upsetting molding, heating temperature it is close but
Less than product material crystal grain transformation temperature value；The part blank that heating terminates is put into rapidly upsetting in mold to shape；
D, lubricant layer is removed: by the lubrication coating of the product removal piece surface after upsetting;
E, it is heat-treated: part after molding is carried out to the heat treatment for meeting design requirement;
F, it modifies converted products shape: forging face is modified.
2. one kind according to claim 1 precisely fast implements the molding processing method of tooth, it is characterised in that: when part material
When material selects GH2132 alloy, the lubricant layer selects copper.
3. one kind according to claim 1 precisely fast implements the molding processing method of tooth, it is characterised in that: to be processed zero
When part is titanium alloy, the lubricant layer is to carry out fluoroboration processing to be formed by layer.
4. one kind according to claim 1 precisely fast implements the molding processing method of tooth, it is characterised in that: to be processed zero
When part material is 1cr17ni2 alloy, the lubricant layer selects oxalates.
5. one kind according to claim 1 precisely fast implements the molding processing method of tooth, it is characterised in that: when to be processed
Part is that the proximal head outside circumference of axis is processed along axial anti-slop serrations, when material selection GH2312 alloy, it is specific plus
Work method and technological parameter are as follows:
A, converted products blank: using method for turning, makes to form crude green body at the tooth form of the product of processing, the length of crude green body is long
In the design size of product, the radial dimension of crude green body is less than the design size of finished product radial direction；Size is determining, be with the deformation of material
Amount is standard, and the material volume before and after crude green body upset section is made to match;
B, it lubricates: selecting copper as lubricant layer, in the copper coating of crude green body parts of tooth plating 3-8 μ m thick;
C, heating upsetting molding: first mold is fixed on stamping equipment, part crude green body is heated, 950-1050 is heated to
Between DEG C；
D, lubricant layer is removed: by the lubrication coating of the product removal piece surface after upsetting;
E, it is heat-treated: part after molding is carried out to the heat treatment for meeting design requirement;
F, it modifies converted products shape: forging face is modified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610941240.0A CN106391983B (en) | 2016-11-02 | 2016-11-02 | It is a kind of precisely to fast implement the molding processing method of tooth and mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610941240.0A CN106391983B (en) | 2016-11-02 | 2016-11-02 | It is a kind of precisely to fast implement the molding processing method of tooth and mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106391983A CN106391983A (en) | 2017-02-15 |
| CN106391983B true CN106391983B (en) | 2018-12-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610941240.0A Active CN106391983B (en) | 2016-11-02 | 2016-11-02 | It is a kind of precisely to fast implement the molding processing method of tooth and mold |
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| CN (1) | CN106391983B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107052158A (en) * | 2017-04-19 | 2017-08-18 | 苏州汇程精密模具有限公司 | A kind of integrally formed diel of interior external splines |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61126940A (en) * | 1984-11-21 | 1986-06-14 | Musashi Seimitsu Kogyo Kk | Manufacture of bevel gear by warm forging |
| JPS61129249A (en) * | 1984-11-27 | 1986-06-17 | Musashi Seimitsu Kogyo Kk | Production of bevel gear |
| JPS61195725A (en) * | 1985-02-27 | 1986-08-30 | Sumitomo Metal Ind Ltd | Manufacture of high strength spur gear |
| CN1022222C (en) * | 1990-03-26 | 1993-09-29 | 洛阳工学院 | Machining method and apparatus of dies for precise fooge of bevel gears |
| CN103990753B (en) * | 2014-05-22 | 2016-06-08 | 北京科技大学 | Oil pump gear axle precision forging mould and manufacturing process |
| CN104785698B (en) * | 2015-03-20 | 2017-09-15 | 北京科技大学 | A kind of mould forged for gear shaft and technique |
| CN105921672B (en) * | 2016-05-17 | 2017-12-05 | 山东大学 | A kind of method of the isothermal forging of straight bevel gear |
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Denomination of invention: A precise and fast machining method and mold for tooth forming Granted publication date: 20181211 Pledgee: Guiyang Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: GUIZHOU HANGFEI PRECISION MANUFACTURING Co.,Ltd. Registration number: Y2024520000001 |