CN202725815U - Tool for machining external tooth serrated lock washer - Google Patents
Tool for machining external tooth serrated lock washer Download PDFInfo
- Publication number
- CN202725815U CN202725815U CN 201220355891 CN201220355891U CN202725815U CN 202725815 U CN202725815 U CN 202725815U CN 201220355891 CN201220355891 CN 201220355891 CN 201220355891 U CN201220355891 U CN 201220355891U CN 202725815 U CN202725815 U CN 202725815U
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- China
- Prior art keywords
- mold insert
- counterdie
- lock washer
- frock
- serrated lock
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Abstract
The utility model discloses a tool for machining an external tooth serrated lock washer. The tool adopts a middle guide pillar mould base and forms the part by counter pressure of toothed inserts arranged at the ends of upper and lower moulds. Through the adoption of the process and the tool provided by the utility model in the process of machining the external tooth serrated lock washer, the part product is formed through once tooth pressing, the demands in size and performance test are met and the process flow is optimized; and meanwhile, the quality of the product machine according to the process is ensured and the part is very convenient to take out. The tool is simple in structure and flexible in machining manner. The part is convenient to mount and dismount and accurate and reliable to position, and the production efficiency is high. The tool also has a guide effect and a reference value for machining small batches of internal tooth serrated lock washers of various models, types and specifications, which have short production periods. The utility model further enlightens development of new products with similar structures greatly and is worth applying.
Description
Technical field
The utility model relates to a kind of frock for the processing external teeth serrated lock washer, belongs to technical field of fastening.
Background technology
External teeth serrated lock washer part product is mainly used in the fields such as Aeronautics and Astronautics and steamer, and the material of this part adopts 65Mn usually, expects the thick 0.5mm that is generally.Because this part is high to locking property and shape, size, quality requirement, must be by mould production, general processing technology is: wire hole → line cutting profile and endoporus → pressure tooth shaping → pincers worker fit and the seal → heat treatment of polishing wound are beaten in blanking → pincers worker makes it reach HRC40～50 → oxidation or Zincing passivation.Because the external teeth serrated lock washer design of part is complex-shaped special, quality requirement is high, and there is defective in the design of conventional mould structure, and the part that therefore causes processing is difficult to satisfy product size and technological requirement, needs to hinder seal by tooth finishing and polishing by hand.But manual amendment exists the product size uniformity poor, affects the locking property of product, and has the low problem of production efficiency, needs the too much artificial of input, has strengthened the cost of manufacturing enterprise.Simultaneously, the part pickup that processes like this is also very inconvenient, and each part all needs prizes by hand.
Therefore, the technical scheme of the processing of existing external teeth serrated lock washer or undesirable.
Summary of the invention
The purpose of this utility model is as overcoming the deficiency of prior art existence, a kind of frock of processing the external teeth serrated lock washer part is provided, optimization technological process, make part by one-step press tooth to be shaped and to satisfy the requirement of size, performance, need not pincers worker fit, polishing wound seal, reduce operation, enhance productivity, the part pickup is also very convenient simultaneously.
For realizing the purpose of this utility model, the utility model has also proposed a kind of frock of processing external teeth serrated lock washer, this frock is to adopt the mould of the compressing structure of open type, guide pole die carrier in the middle of mould adopts, be divided into part of the upper die and the part of the lower die of embedded structure, agent structure comprises upper bolster, die shoe, guide pillars and bushes; Described upper bolster middle part is provided with the die shank with the level that can be fixed on the press ram, and the die shank below is provided with upper padding plate, and the upper padding plate below is provided with upper mould fixed plate, and upper padding plate runs through with upper bolster by screwing with upper mould fixed plate and links to each other; The top of described die shoe is provided with lower bolster, the lower bolster top is provided with the counterdie fixed head, lower bolster runs through with die shoe by lower screw with the counterdie fixed head and links to each other, wherein, described upper mould fixed plate middle part is provided with the patrix mold insert, the inside and outside two-layer patrix mold insert fixed cover of establishing of patrix mold insert clamps the patrix mold insert, described counterdie fixed head middle part is provided with the counterdie mold insert, the inside and outside two-layer counterdie mold insert fixed cover that is provided with of counterdie mold insert clamps the counterdie mold insert, the counterdie mold insert fixed cover top center of internal layer is provided with a boss, the boss top be arranged with two take the center of boss the alignment pin as symmetric points, the termination of patrix mold insert and counterdie mold insert is the outer broached-tooth design that agrees with the external teeth serrated lock washer part shape, just can be accurately with the part pressing formation in the time of so up and down to pressure.
Further, the frock of above-mentioned processing external teeth serrated lock washer wherein, also is provided with stop pin on the described upper bolster.
Further, the frock of above-mentioned processing external teeth serrated lock washer, wherein, described counterdie fixed head top is provided with stripper, and stripper runs through the counterdie fixed head by unloading bolt and links to each other with die shoe with lower bolster.
Further, the frock of above-mentioned processing external teeth serrated lock washer, wherein, described upper bolster is provided with the upper pin that runs through upper mould fixed plate and upper padding plate, upper pin can link to each other fastening with lower screw, described die shoe is provided with the lower pin that runs through lower bolster and counterdie fixed head, and lower pin can link to each other with screwing fastening.
Further, the frock of above-mentioned processing external teeth serrated lock washer, wherein, described patrix mold insert fixed cover and counterdie mold insert fixed cover are the flat structure.
Further, the frock of above-mentioned processing external teeth serrated lock washer, wherein, described alignment pin is the drill bit of φ 0.8mm.
Again further, the frock of above-mentioned processing external teeth serrated lock washer, wherein, described patrix mold insert and counterdie mold insert when pressing increment along tangentially stagger the mutually distance of 0.49mm of circumference.
Owing to adopted the frock of processing external teeth serrated lock washer of the present utility model, in processing external teeth serrated lock washer part product process, the part product once presses the tooth shaping namely to satisfy size, performance test requirement, need not pincers worker fit, polishing wound seal,, improved efficient, optimized technological process.And the high conformity of the product that processes by this frock, locking property is good, and quality is guaranteed, and pickup is also very convenient.Tool structure of the present utility model is simple, processing mode is flexible, and part is easy to loading and unloading, accurate positioning, reliable, and production efficiency is high.Interior serrated lock washer products processing many for model, description, little, with short production cycle in batches has directive function and reference value equally, and the new product development of other similar structures is also had larger inspiration, is worthy to be popularized.
Description of drawings
Fig. 1 is external teeth serrated lock washer part floor map of the present utility model;
Fig. 2 is external teeth serrated lock washer part oblique view of the present utility model;
Fig. 3 is the tool structure schematic diagram of processing external teeth serrated lock washer of the present utility model;
Fig. 4 is the frock top view of processing external teeth serrated lock washer of the present utility model;
Fig. 5 is the frock part of the lower die schematic diagram of processing external teeth serrated lock washer of the present utility model;
Fig. 6 is the frock of the processing external teeth serrated lock washer of the present utility model stripper schematic diagram that closes;
Fig. 7 is that the upper and lower mould mold insert of the utility model is to pressing schematic diagram.
Description of reference numerals: 1-die shoe, 2-unloading bolt, 3-counterdie fixed head, 4-upper mould fixed plate, the 5-upper bolster, 6-upper padding plate, the upper pin of 7-, 8-die shank, the 9-stop pin, 10-screwing, 11-patrix mold insert fixed cover, 12-patrix mold insert, the 13-alignment pin, 14-stripper, 15-lower bolster, screw under the 16-, pin under the 17-, 18-counterdie mold insert fixed cover, 19-counterdie mold insert, 20-guide pillar, the 21-guide pin bushing, 22-boss, 23-part stock.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
See first Fig. 1, Fig. 2, Fig. 1 and Fig. 2 are the schematic diagrames of external teeth serrated lock washer part of the present utility model, this external teeth serrated lock washer is that a kind of middle part is porose, the part of the serrate cirque structure of outer rim, there is an inclination angle between the sawtooth of part and the part main body plane, this inclination angle is 50 °, and the height dimension of part product is generally 2mm.
See Fig. 3, Fig. 4, Fig. 3 and Fig. 4 have showed the structure of the frock of processing external teeth serrated lock washer of the present utility model, this frock is to adopt the mould of the compressing structure of open type, guide pole die carrier in the middle of mould adopts, the part of the upper die and the part of the lower die that are divided into embedded structure, this frock agent structure comprises upper bolster 5, die shoe 1, guide pillar 20 and guide pin bushing 21; Be provided with the die shank with the level 8 that can be fixed on the press ram at upper bolster 5 middle parts, block fixing in the die shank 8 embedding upper bolsters 5 by step, die shank 8 belows are provided with upper padding plate 6, upper padding plate 6 belows are provided with upper mould fixed plate 4, and upper padding plate 6 runs through with upper bolster 5 by screwing 10 with upper mould fixed plate 4 and links to each other; The structure of part of the lower die is similar to the part of the upper die, is provided with lower bolster 15 above die shoe 1, and lower bolster 15 tops are provided with counterdie fixed head 3, and lower bolster 15 runs through with die shoe 1 by lower screw 16 with counterdie fixed head 3 and links to each other.The most important, the utility model is provided with patrix mold insert 12 at upper mould fixed plate 4 middle parts, the patrix mold insert 12 inside and outside two-layer patrix mold insert fixed covers 11 of establishing clamp patrix mold insert 12, equally, be provided with counterdie mold insert 19 at counterdie fixed head 3 middle parts, the inside and outside two-layer counterdie mold insert fixed covers 18 that are provided with of counterdie mold insert 19 clamp counterdie mold insert 19, and counterdie mold insert fixed cover 18 top center of internal layer are provided with a boss 22, boss 22 tops be arranged with two take the center of boss 22 alignment pin 13 as symmetric points; The termination of described patrix mold insert 12 and counterdie mold insert 19 is the outer broached-tooth design that agrees with the external teeth serrated lock washer part shape.
For anti-locking apparatus sways in running, frock of the present utility model also is provided with stop pin 9 on upper bolster 5.
See Fig. 5, Fig. 6, for the pickup convenience, frock of the present utility model is provided with stripper 14 on counterdie fixed head 3 tops, stripper 14 runs through counterdie fixed head 3 by unloading bolt 2 and links to each other with die shoe 1 with lower bolster 15, cover stripper 14 by the boss 22 on the counterdie mold insert fixed cover 18 at counterdie fixed head 3 so first, and fastening with unloading bolt 2, after product is finished processing, unclamp unloading bolt 2, stripper 14 is upwards pushed away boss 22, product is released together with stripper 14, so just can take off product from stripper 14 at an easy rate, and needn't be manual from the lower product of boss 22 sleds with special instrument.
In order to increase the stability of frock, frock of the present utility model is provided with the upper pin 7 that runs through upper mould fixed plate 4 and upper padding plate 6 at upper bolster 5, upper pin 7 can link to each other fastening with lower screw 16, described die shoe 1 is provided with the lower pin 17 that runs through lower bolster 15 and counterdie fixed head 3, and lower pin 17 can link to each other fastening with screwing 10.
In order to increase the clamping performance of patrix mold insert fixed cover 11 and counterdie mold insert fixed cover 12, the utility model is designed to the flat structure with patrix mold insert fixed cover 11 and counterdie mold insert fixed cover 18, simultaneously, design can also prevent that patrix mold insert 12 and counterdie mold insert 19 in the frock running from rotating and affect the shaping of product like this.
In order to agree with the slot breach of part stock 23, alignment pin of the present utility model (13) adopts the drill bit of φ 0.8mm, has so both guaranteed that part accurately located, and guarantees that also alignment pin has higher intensity.
In addition, when 19 pairs of patrix mold insert 12 of the present utility model and counterdie mold inserts are pressed increment along tangentially stagger the mutually distance of 0.49mm of circumference, make product can when being shaped, fit better about, mould, thereby guarantee the requirement of product height dimension 2mm.
When the utility model is implemented, adopt following processing step:
The operation of the 1) blanking by routine, punching and blanking and line cutting profile narrow slit is processed to form the ring-shaped work pieces stock 23 that the middle part is free, there is the slot breach at the edge;
The part of the lower die that 2) will process the frock of external teeth serrated lock washer is placed on the 25t forcing press after loading onto and playing ejection device, and die shank 8 is fixed on the slide block of forcing press;
3) at the frock stripper 14 that closes of processing external teeth serrated lock washer, fixedly unloading bolt 2;
4) part stock 23 is put into the frock of processing external teeth serrated lock washer, be enclosed within on the boss 22 of counterdie mold insert fixed cover 18, and the breach at part stock 23 edges is aligned two alignment pins 13, part stock 23 is fixed;
5) effect by press ram moves downward the part of the upper die, and patrix mold insert 12 is pushed down with the accurate alignment element stock 23 of tooth mouth of counterdie mold insert 19 and is shaped, as shown in Figure 7;
6) part of the upper die is up after the product shaping, and part ejects the part of the lower die with product from boss 22 under the effect of unloading bolt 2 and stripper 14;
7) according to conventional method product is carried out HRC40～50 heat treatments, and oxidation or Zincing passivation, the processing of product finished.
Certainly, more than be a concrete exemplary applications of the present utility model, the utility model also has other embodiment, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the desired protection domain of the utility model.
Claims (7)
1. frock of processing external teeth serrated lock washer, described frock is to adopt the mould of the compressing structure of open type, guide pole die carrier in the middle of mould adopts, the part of the upper die and the part of the lower die that are divided into embedded structure, agent structure comprise upper bolster (5), die shoe (1), guide pillar (20) and guide pin bushing (21); Described upper bolster (5) middle part is provided with the die shank with the level (8) that can be fixed on the press ram, die shank (8) below is provided with upper padding plate (6), upper padding plate (6) below is provided with upper mould fixed plate (4), and upper padding plate (6) runs through with upper bolster (5) by screwing (10) with upper mould fixed plate (4) and links to each other; The top of described die shoe (1) is provided with lower bolster (15), lower bolster (15) top is provided with counterdie fixed head (3), lower bolster (15) runs through with die shoe (1) by lower screw (16) with counterdie fixed head (3) and links to each other, it is characterized in that: described upper mould fixed plate (4) middle part is provided with patrix mold insert (12), the inside and outside two-layer patrix mold insert fixed cover (11) of establishing of patrix mold insert (12) clamps patrix mold insert (12), described counterdie fixed head (3) middle part is provided with counterdie mold insert (19), the inside and outside two-layer counterdie mold insert fixed cover (18) that is provided with of counterdie mold insert (19) clamps counterdie mold insert (19), counterdie mold insert fixed cover (18) top center of internal layer is provided with a boss (22), boss (22) top be arranged with two take the center of boss (22) alignment pin (13) as symmetric points; The termination of described patrix mold insert (12) and counterdie mold insert (19) is the outer broached-tooth design that agrees with the external teeth serrated lock washer part shape.
2. the frock of processing external teeth serrated lock washer according to claim 1 is characterized in that: also be provided with stop pin (9) on the described upper bolster (5).
3. the frock of processing external teeth serrated lock washer according to claim 1, it is characterized in that: described counterdie fixed head (3) top is provided with stripper (14), and stripper (14) runs through counterdie fixed head (3) by unloading bolt (2) and links to each other with die shoe (1) with lower bolster (15).
4. according to claim 2 or the frock of 3 described processing external teeth serrated lock washers, it is characterized in that: described upper bolster (5) is provided with the upper pin (7) that runs through upper mould fixed plate (4) and upper padding plate (6), upper pin (7) can link to each other fastening with lower screw (16), described die shoe (1) is provided with the lower pin (17) that runs through lower bolster (15) and counterdie fixed head (3), and lower pin (17) can link to each other fastening with screwing (10).
5. the frock of processing external teeth serrated lock washer according to claim 1 is characterized in that: described patrix mold insert fixed cover (11) is the flat structure with counterdie mold insert fixed cover (18).
6. the frock of processing external teeth serrated lock washer according to claim 1, it is characterized in that: described alignment pin (13) is the drill bit of φ 0.8mm.
7. the frock of processing external teeth serrated lock washer according to claim 1 is characterized in that: described patrix mold insert (12) and counterdie mold insert (19) when pressing increment along tangentially stagger the mutually distance of 0.49mm of circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220355891 CN202725815U (en) | 2012-07-23 | 2012-07-23 | Tool for machining external tooth serrated lock washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220355891 CN202725815U (en) | 2012-07-23 | 2012-07-23 | Tool for machining external tooth serrated lock washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202725815U true CN202725815U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220355891 Expired - Fee Related CN202725815U (en) | 2012-07-23 | 2012-07-23 | Tool for machining external tooth serrated lock washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202725815U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974689A (en) * | 2012-07-23 | 2013-03-20 | 贵州航天精工制造有限公司 | Processing crafts and tools of serrated lock washers external teeth |
| CN104056960A (en) * | 2014-06-05 | 2014-09-24 | 安徽红桥金属制造有限公司 | Stamping die of shock-absorbing liner bushing inner sleeve and machining method of stamping die |
| CN110126199A (en) * | 2019-05-17 | 2019-08-16 | 广东邦孚光学有限公司 | A kind of lens processing technology with sawtooth |
-
2012
- 2012-07-23 CN CN 201220355891 patent/CN202725815U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974689A (en) * | 2012-07-23 | 2013-03-20 | 贵州航天精工制造有限公司 | Processing crafts and tools of serrated lock washers external teeth |
| CN102974689B (en) * | 2012-07-23 | 2015-07-29 | 贵州航天精工制造有限公司 | The processing technology of external teeth serrated lock washer and frock |
| CN104056960A (en) * | 2014-06-05 | 2014-09-24 | 安徽红桥金属制造有限公司 | Stamping die of shock-absorbing liner bushing inner sleeve and machining method of stamping die |
| CN104056960B (en) * | 2014-06-05 | 2016-08-17 | 安徽红桥金属制造有限公司 | The diel of a kind of shock absorbing bushing inner sleeve and processing method thereof |
| CN110126199A (en) * | 2019-05-17 | 2019-08-16 | 广东邦孚光学有限公司 | A kind of lens processing technology with sawtooth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |