CN103230956A - Cold extrusion device for gear of starting motor of engine - Google Patents
Cold extrusion device for gear of starting motor of engine Download PDFInfo
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- CN103230956A CN103230956A CN2013101705185A CN201310170518A CN103230956A CN 103230956 A CN103230956 A CN 103230956A CN 2013101705185 A CN2013101705185 A CN 2013101705185A CN 201310170518 A CN201310170518 A CN 201310170518A CN 103230956 A CN103230956 A CN 103230956A
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Abstract
The invention relates to a cold extrusion device for a gear of a starting motor of an engine. An upper convex mould base is fixedly arranged on the lower surface of an upper mould frame, a convex mould supporting plate is fixedly arranged on the lower surface of the upper convex mould base, a convex mould outer pre-tightening ring is arranged in the upper convex mould base, a convex mould is arranged in the convex mould outer pre-tightening ring, a convex mould mandrel is arranged in the convex mould, an ejector rod is connected in a lower mould frame in a sliding way, a lower concave mould base is fixedly arranged on the upper surface of a lower mould frame, a concave mould cover plate is fixedly arranged on the upper surface of the lower concave mould base, a dentate concave mould outer pre-tightening ring is arranged in the lower concave mould base, a dentate concave mould is arranged in the dentate concave mould outer pre-tightening ring, a dentate forming ring is arranged in the dentate concave mould, a dentate ejector rod is arranged below the dentate forming ring, a lower concave mould outer pre-tightening ring is arranged on the upper surface of the dentate concave mould outer pre-tightening ring, and a lower concave mould is arranged in the lower concave mould outer pre-tightening ring. The cold extrusion device has the advantages of saving raw materials, reducing the machining process, saving the time, improving the production efficiency, being stable in product quality, and the like, and the inner hole precision of products is high.
Description
Technical field
The present invention relates to a kind of cold extrusion die, especially a kind of engine start motor gear cold extrusion device.
Background technology
Strength member on the gear starter motor of engine start motor as adopting the conventional gears manufacturing procedure is: operations such as first cold-extruded, boring, metalworking and chamfering.Cause that the Gear Processing operation is many, the time is long, waste raw material, unstable product quality, dimensional accuracy is low, the gear bump injury is many.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, the engine start motor gear cold extrusion device that provides a kind of engine start motor gear can the once cold extrusion moulding, save material, enhance productivity.
According to technical scheme provided by the invention, described engine start motor gear cold extrusion device, comprise top mold frame and following mould bases, it is characterized in that: convex mould base on the lower surface of top mold frame fixedly has, lower surface at last convex mould base fixedly has the punch supporting plate, in last convex mould base, be provided with pre-collar outside the punch, outside punch, be provided with punch in the pre-collar, in punch, be provided with the punch plug; Slidely connecting push rod in the mould bases down, upper surface at following mould bases fixedly has recessed die holder, upper surface at recessed die holder fixedly has the die cover plate, in recessed die holder, be provided with pre-collar outside the profile of tooth die, outside the profile of tooth die pre-collar in be provided with the profile of tooth die, in the profile of tooth die, be provided with the gear forming circle, below the gear forming circle, be provided with the profile of tooth push rod, the upper surface of pre-collar is provided with pre-collar outside the lower cavity die outside the profile of tooth die, is provided with lower cavity die in the pre-collar outside lower cavity die.
Be provided with the punch cushion block on described in the convex mould base, the punch cushion block is arranged on punch outward in advance between the lower surface of the upper surface of collar and top mold frame.
Be provided with lower cushion block in described recessed die holder, lower cushion block is arranged on the profile of tooth die outward in advance between the upper surface of the lower surface of collar and following mould bases.
When the present invention works, cold-extruded, boring, metalworking, chamfering one-shot forming, the present invention have can save material, reduce manufacturing procedure, save time, enhance productivity, product endoporus precision is high and advantage such as constant product quality.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the vertical view of profile of tooth push rod among the present invention.
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure: this engine start motor gear cold extrusion device, comprise top mold frame 1 and following mould bases 2, it is characterized in that: convex mould base 3 on the lower surface of top mold frame 1 fixedly has, lower surface at last convex mould base 3 fixedly has punch supporting plate 5, in last convex mould base 3, be provided with pre-collar 4 outside the punch, outside punch, be provided with punch 6 in the pre-collar 4, in punch 6, be provided with punch plug 17; Slidely connecting push rod 15 in the mould bases 2 down, upper surface at following mould bases 2 fixedly has recessed die holder 14, upper surface at recessed die holder 14 fixedly has die cover plate 13, in recessed die holder 13, be provided with pre-collar 11 outside the profile of tooth die, outside the profile of tooth die pre-collar 11 in be provided with profile of tooth die 10, in profile of tooth die 10, be provided with gear forming circle 9, below gear forming circle 9, be provided with profile of tooth push rod 16, the upper surface of pre-collar 11 is provided with pre-collar 8 outside the lower cavity die outside the profile of tooth die, is provided with lower cavity die 7 in the pre-collar 8 outside lower cavity die.
Be provided with punch cushion block 18 on described in the convex mould base 3, punch cushion block 18 is arranged on punch outward in advance between the lower surface of the upper surface of collar 4 and top mold frame 1.
Be provided with lower cushion block 12 in described recessed die holder 14, lower cushion block 12 is arranged on the profile of tooth die outward in advance between the upper surface of the lower surface of collar 11 and following mould bases 2.
Described profile of tooth push rod 16 comprises that a vertical body of rod and even one are fixed on the strip tooth of vertical body of rod outer surface, and the length direction of strip tooth is consistent with the length direction of the vertical body of rod.
Install punch plug 17 additional in punch 6 the insides, install profile of tooth push rod 16 additional in profile of tooth die 10 the insides, cold-extruded, boring, metalworking, chamfering one-shot forming, have saving material, reduce manufacturing procedure, save time, enhance productivity, the endoporus precision is high and advantage such as constant product quality.
Claims (3)
1. engine start motor gear cold extrusion device, comprise top mold frame (1) and following mould bases (2), it is characterized in that: the lower surface in top mold frame (1) fixedly has last convex mould base (3), lower surface at last convex mould base (3) fixedly has punch supporting plate (5), in last convex mould base (3), be provided with pre-collar (4) outside the punch, outside punch, be provided with punch (6) in the pre-collar (4), in punch (6), be provided with punch plug (17); Slidely connecting push rod (15) in the mould bases (2) down, upper surface at following mould bases (2) fixedly has recessed die holder (14), upper surface at recessed die holder (14) fixedly has die cover plate (13), in recessed die holder (13), be provided with pre-collar (11) outside the profile of tooth die, outside the profile of tooth die pre-collar (11) in be provided with profile of tooth die (10), in profile of tooth die (10), be provided with gear forming circle (9), be provided with profile of tooth push rod (16) in the below of gear forming circle (9), the upper surface of pre-collar (11) is provided with pre-collar (8) outside the lower cavity die outside the profile of tooth die, is provided with lower cavity die (7) in the pre-collar (8) outside lower cavity die.
2. engine start motor gear cold extrusion device as claimed in claim 1, it is characterized in that: be provided with punch cushion block (18) in the convex mould base on described (3), punch cushion block (18) is arranged on punch outward in advance between the lower surface of the upper surface of collar (4) and top mold frame (1).
3. engine start motor gear cold extrusion device as claimed in claim 1, it is characterized in that: be provided with lower cushion block (12) in described recessed die holder (14), lower cushion block (12) is arranged on the profile of tooth die outward in advance between the upper surface of the lower surface of collar (11) and following mould bases (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101705185A CN103230956A (en) | 2013-05-09 | 2013-05-09 | Cold extrusion device for gear of starting motor of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101705185A CN103230956A (en) | 2013-05-09 | 2013-05-09 | Cold extrusion device for gear of starting motor of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103230956A true CN103230956A (en) | 2013-08-07 |
Family
ID=48879064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101705185A Pending CN103230956A (en) | 2013-05-09 | 2013-05-09 | Cold extrusion device for gear of starting motor of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103230956A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752639A (en) * | 2014-01-26 | 2014-04-30 | 无锡市神力齿轮冷挤有限公司 | Cold extrusion die for output shaft of starter |
| CN105344735A (en) * | 2015-11-30 | 2016-02-24 | 玉环普天单向器有限公司 | Cold extrusion forming mold and forming process of output shaft having inner hole |
| CN105964860A (en) * | 2016-06-30 | 2016-09-28 | 娄土岭 | Cold extruding die of clutches and use method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58167020A (en) * | 1982-03-26 | 1983-10-03 | Nissan Motor Co Ltd | Method and apparatus for manufacturing gear |
| JP2007245220A (en) * | 2006-03-17 | 2007-09-27 | Fuji Heavy Ind Ltd | Forging device |
| CN101530865A (en) * | 2008-12-31 | 2009-09-16 | 张长国 | 125 motorcycle engine starting gear cold extrusion forming method and dies thereof |
| CN201921902U (en) * | 2011-01-25 | 2011-08-10 | 重庆众联齿轮传动有限公司 | Top die of gear extrusion machine tool |
| CN102284542A (en) * | 2011-06-10 | 2011-12-21 | 无锡市神力齿轮冷挤有限公司 | One-time forming die for external gear with internal curved surface cavity |
| CN202114202U (en) * | 2011-06-16 | 2012-01-18 | 重庆创精温锻成型有限公司 | Tooth profile back taper die of reverse and neutral position shifting gears of vehicle gear box |
| JP2012192444A (en) * | 2011-03-17 | 2012-10-11 | Aisin Seiki Co Ltd | Method and apparatus for manufacturing gear |
| CN102873124A (en) * | 2012-10-20 | 2013-01-16 | 无锡市神力齿轮冷挤有限公司 | One-off forming device for making gear workpiece with internal and external teeth |
| CN203235773U (en) * | 2013-05-09 | 2013-10-16 | 无锡市神力齿轮冷挤有限公司 | Cold extruding device for gear of starting motor of engine |
-
2013
- 2013-05-09 CN CN2013101705185A patent/CN103230956A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58167020A (en) * | 1982-03-26 | 1983-10-03 | Nissan Motor Co Ltd | Method and apparatus for manufacturing gear |
| JP2007245220A (en) * | 2006-03-17 | 2007-09-27 | Fuji Heavy Ind Ltd | Forging device |
| CN101530865A (en) * | 2008-12-31 | 2009-09-16 | 张长国 | 125 motorcycle engine starting gear cold extrusion forming method and dies thereof |
| CN201921902U (en) * | 2011-01-25 | 2011-08-10 | 重庆众联齿轮传动有限公司 | Top die of gear extrusion machine tool |
| JP2012192444A (en) * | 2011-03-17 | 2012-10-11 | Aisin Seiki Co Ltd | Method and apparatus for manufacturing gear |
| CN102284542A (en) * | 2011-06-10 | 2011-12-21 | 无锡市神力齿轮冷挤有限公司 | One-time forming die for external gear with internal curved surface cavity |
| CN202114202U (en) * | 2011-06-16 | 2012-01-18 | 重庆创精温锻成型有限公司 | Tooth profile back taper die of reverse and neutral position shifting gears of vehicle gear box |
| CN102873124A (en) * | 2012-10-20 | 2013-01-16 | 无锡市神力齿轮冷挤有限公司 | One-off forming device for making gear workpiece with internal and external teeth |
| CN203235773U (en) * | 2013-05-09 | 2013-10-16 | 无锡市神力齿轮冷挤有限公司 | Cold extruding device for gear of starting motor of engine |
Non-Patent Citations (1)
| Title |
|---|
| 洪慎章: "《实用冷挤压模具结构图册》", 31 January 2009, 化学工业出版社, article "汽车启动齿轮", pages: 230 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752639A (en) * | 2014-01-26 | 2014-04-30 | 无锡市神力齿轮冷挤有限公司 | Cold extrusion die for output shaft of starter |
| CN105344735A (en) * | 2015-11-30 | 2016-02-24 | 玉环普天单向器有限公司 | Cold extrusion forming mold and forming process of output shaft having inner hole |
| CN105344735B (en) * | 2015-11-30 | 2018-02-13 | 玉环普天单向器有限公司 | A kind of cold extrusion molding mould and moulding process of the output shaft with endoporus |
| CN105964860A (en) * | 2016-06-30 | 2016-09-28 | 娄土岭 | Cold extruding die of clutches and use method thereof |
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Application publication date: 20130807 |