CN102120293A - Precision forging method for armature shaft - Google Patents
Precision forging method for armature shaft Download PDFInfo
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- CN102120293A CN102120293A CN 201010614652 CN201010614652A CN102120293A CN 102120293 A CN102120293 A CN 102120293A CN 201010614652 CN201010614652 CN 201010614652 CN 201010614652 A CN201010614652 A CN 201010614652A CN 102120293 A CN102120293 A CN 102120293A
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- China
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- armature shaft
- mold closing
- precision forging
- patrix
- plate pattern
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Abstract
The invention discloses a precision forging method for an armature shaft, which comprises loading, blank making and shot blasting, and is characterized by also comprising the following steps: placing a blank material I a lower die, allowing the upper die plate to press down to apply a prepressing force through a high-strength elastic element arranged between an upper die plate and an upper die to close the upper die and the lower die first, and after the dies are closed completely, allowing an upper punching head to contact the blank material to extrude the blank material. In the invention, the tooth profile precision is ensured, the strength of a gear is improved, process steps are reduced, cost is lowered, and production efficiency is improved.
Description
Technical field
The present invention relates generally to the automobile industry armature shaft and forges processing technology, relates in particular to the forging of band tooth thin and long shafts.
Background technology
At present the automobile industry armature shaft profile of tooth of China is slender axles because of it, and draw ratio surpasses 10:1, mainly is roll flute during the processing profile of tooth, draws method such as tooth with gear broach.These methods so machining accuracy is lower, generally can only process the gear of 9 ~ 10 class precisions owing to there is the alignment error of the error of division and cutter.In addition, need in the process to make repeatedly discontinuous minute tooth, productivity ratio is also very low.The gear teeth portion metallic fiber that processes is discontinuous, and intensity is not high, and tooth is fractureed, and makes the too early wearing and tearing of tooth top, therefore, is mainly used in the not high gear of requirement of strength that machining accuracy is not high in single and mini-batch production production and the repair work.
Summary of the invention
The technical problem to be solved in the present invention is for overcoming above-mentioned shortcoming, improves a kind ofly can strengthen the strength of gear teeth, reduces operation, the precision forging processing method of the armature shaft that reduces cost.
For solving the problems of the technologies described above, the invention provides following technical scheme: a kind of precision forging processing method of armature shaft, comprise blanking, base, ball blast, it is further comprising the steps of: blank is put into counterdie, be provided with the strong elastic element between cope match-plate pattern and the patrix, cope match-plate pattern presses down, and applies precompression by the strong elastic element and makes patrix and counterdie elder generation mold closing, upper punch begins to contact blank behind the mold closing fully, pushes.
As a kind of preferred version of the precision forging processing method of armature shaft of the present invention, wherein: upper punch is expressed to assigned address, and the blank plastic deformation is finished, and moves on the cope match-plate pattern, and patrix and counterdie are thrown off automatically from die joint, the material returned.
A kind of preferred version as the precision forging processing method of armature shaft of the present invention, wherein: be provided with polyurethane rubber between cope match-plate pattern and the patrix, apply precompression by polyurethane rubber, force upper and lower mould elder generation mold closing, upper punch just begins to contact blank behind the mold closing fully.
Adopted the method for the invention, on mould, make a die joint and solved the problem of material returned difficulty, and adopt polyurethane rubber to apply precompression, under the situation of complete first mold closing, just begin extrusion sections, well guarantee the precision of profile of tooth, improved the intensity of gear, reduced operation, reduce cost, improved production efficiency.
Description of drawings
Fig. 1 is the schematic diagram that processing method of the present invention is forged armature shaft.
The specific embodiment
Below in conjunction with concrete accompanying drawing the present invention is described in further detail.
As figure, 1 cope match-plate pattern, 2 strong elastic elements, 3 upper punch, 4 patrixes, 5 counterdies, 6 lower bolsters, 7 stripping attachments.The armature shaft precision forging technology is, may further comprise the steps: blanking, base, ball blast, pre-treatment, tooth are shaped, material is before pressurized, apply precompression by 2 strong elastic elements, for example polyurethane rubber forces upper and lower mould elder generation mold closing, upper punch 3 just begins contact material behind the mold closing fully, have only first mold closing just can make material in the die cavity of a sealing, carry out plastic deformation, and can jumping-up or bending, mould adopts the method for dividing mould up and down to solve the problem of slender axles material returned difficulty.When the material plastic deformation was finished, upper and lower mould was thrown off automatically from die joint, very easily just material was withdrawed from from die cavity.
This mould is easy to manufacture, cost is low, long service life, the product of producing by the present invention, since be once to finish the shaping of tooth portion in the extruding, the higher 7-8 level that reaches of form of gear tooth precision, and it is higher that gear produces flow harden intensity through compressive surface,, improve a lot on the production efficiency in product quality than machinofacture.
It should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. the precision forging processing method of an armature shaft, comprise blanking, base, ball blast, it is characterized in that further comprising the steps of: blank is put into counterdie, be provided with the strong elastic element between cope match-plate pattern and the patrix, cope match-plate pattern presses down, apply precompression by the strong elastic element and make patrix and counterdie elder generation mold closing, upper punch begins to contact blank behind the mold closing fully, pushes.
2. the precision forging processing method of armature shaft according to claim 1, it is characterized in that: upper punch is expressed to assigned address, and the blank plastic deformation is finished, and moves on the cope match-plate pattern, and patrix and counterdie are thrown off automatically from die joint, the material returned.
3. the precision forging processing method of armature shaft according to claim 1, it is characterized in that: be provided with polyurethane rubber between cope match-plate pattern and the patrix, apply precompression by polyurethane rubber, force upper and lower mould elder generation mold closing, upper punch just begins to contact blank behind the mold closing fully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010614652 CN102120293A (en) | 2010-12-30 | 2010-12-30 | Precision forging method for armature shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010614652 CN102120293A (en) | 2010-12-30 | 2010-12-30 | Precision forging method for armature shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102120293A true CN102120293A (en) | 2011-07-13 |
Family
ID=44249009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010614652 Pending CN102120293A (en) | 2010-12-30 | 2010-12-30 | Precision forging method for armature shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN102120293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118582891A (en) * | 2024-07-30 | 2024-09-03 | 山东莱州大家乐食品有限公司 | Disk knocking machine for sweet soup ball production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1102144A (en) * | 1993-10-26 | 1995-05-03 | 青岛建筑工程学院 | Spur gear precision die stamping-push-press forming process and its equipment |
| EP0534818B1 (en) * | 1991-09-13 | 1995-05-10 | Floquet Monopole | Method of producing an axle with profiled ends, machine for carrying out the method and axles thus obtained |
| EP1046440A1 (en) * | 1999-04-16 | 2000-10-25 | SM Schweizerische Munitionsunternehmung AG | Forging method of axial symmetric metallic workpieces |
| CN1309592A (en) * | 1998-07-24 | 2001-08-22 | 东陶机器株式会社 | Die forging method |
| CN1084951C (en) * | 1995-06-15 | 2002-05-15 | 东芝株式会社 | Method for mfg. squirrel-cage rotor and squirrel-cage rotor |
-
2010
- 2010-12-30 CN CN 201010614652 patent/CN102120293A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534818B1 (en) * | 1991-09-13 | 1995-05-10 | Floquet Monopole | Method of producing an axle with profiled ends, machine for carrying out the method and axles thus obtained |
| CN1102144A (en) * | 1993-10-26 | 1995-05-03 | 青岛建筑工程学院 | Spur gear precision die stamping-push-press forming process and its equipment |
| CN1084951C (en) * | 1995-06-15 | 2002-05-15 | 东芝株式会社 | Method for mfg. squirrel-cage rotor and squirrel-cage rotor |
| CN1309592A (en) * | 1998-07-24 | 2001-08-22 | 东陶机器株式会社 | Die forging method |
| EP1046440A1 (en) * | 1999-04-16 | 2000-10-25 | SM Schweizerische Munitionsunternehmung AG | Forging method of axial symmetric metallic workpieces |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118582891A (en) * | 2024-07-30 | 2024-09-03 | 山东莱州大家乐食品有限公司 | Disk knocking machine for sweet soup ball production |
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Application publication date: 20110713 |