CN102974689A - Processing crafts and tools of serrated lock washers external teeth - Google Patents
Processing crafts and tools of serrated lock washers external teeth Download PDFInfo
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- CN102974689A CN102974689A CN2012102541474A CN201210254147A CN102974689A CN 102974689 A CN102974689 A CN 102974689A CN 2012102541474 A CN2012102541474 A CN 2012102541474A CN 201210254147 A CN201210254147 A CN 201210254147A CN 102974689 A CN102974689 A CN 102974689A
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Abstract
The invention discloses processing crafts and tools of serrated lock washers external teeth. According to the tools, a middle guide pillar mould base is adopted, and forming of parts is achieved by utilizing a manner that mold inserts provided with sawteeth are pressed mutually, wherein the mold inserts are arranged on end heads of an upper mold and a lower mold. In the process of machining of serrated lock washers external teeth part products, once tooth-pressing forming of the part products can meet the requirements of size and a performance test, and technological process is optimized by utilizing the crafts and the tools. And quality of the products machined by the crafts is guaranteed, and part-taking process is very convenient. The tools are simple in structure, flexible in machining method, accurate and reliable in positioning, and high in production efficiency, and the parts are convenient to assemble and disassemble. Guiding functions and valve of use for reference can also be provided for those internal serrated washer products which are large in types and varieties and specifications, small in batch and short in production cycle. And new product development of other similar structures can also be enlightened, and the processing crafts and the tools of the serrated lock washers external teeth are worthy of being popularized.
Description
Technical field
The present invention relates to a kind of processing technology of lock washer, especially a kind of processing technology of the lock washer with outer sawtooth the invention still further relates to a kind of frock for the processing external teeth serrated lock washer.
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 processing technology of existing external teeth serrated lock washer and device or undesirable.
Summary of the invention
The object of the invention is to for overcoming the deficiency of prior art existence, a kind of processing technology and frock of external teeth serrated lock washer part are provided, pass through 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 purpose of the present invention, the processing technology of a kind of lock washer part of the present invention, comprise the porose external teeth serrated lock washer in a kind of middle part of processing, it is characterized in that: when the processing external teeth serrated lock washer, use a kind of frock of processing external teeth serrated lock washer, its processing technology may further comprise the steps:
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 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 is fixed on the slide block of forcing press;
3) at frock close stripper, the fixedly unloading bolt of processing external teeth serrated lock washer;
4) the part stock is put into the frock of processing external teeth serrated lock washer, be enclosed within on the boss of counterdie mold insert fixed cover, and the breach at part stock edge is aligned two alignment pins, the part stock is fixed;
5) effect by press ram moves downward the part of the upper die, and the tooth mouth of patrix mold insert and counterdie mold insert is accurately pushed down the part stock to pressure and is shaped;
6) part of the upper die is up after the product shaping, under the effect of unloading bolt and stripper, product is ejected the part of the lower die from boss;
7) according to conventional method product is carried out HRC40～50 heat treatments, and oxidation or Zincing passivation, the processing of product finished.
For realizing above-mentioned technique of the present invention, the invention allows for 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 processing technology of external teeth serrated lock washer of the present invention, 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 by this processes product out, locking property is good, and quality is guaranteed, and pickup is also very convenient.Tool structure of the present invention 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 invention;
Fig. 2 is external teeth serrated lock washer part oblique view of the present invention;
Fig. 3 is the tool structure schematic diagram of processing external teeth serrated lock washer of the present invention;
Fig. 4 is the frock top view of processing external teeth serrated lock washer of the present invention;
Fig. 5 is the frock part of the lower die schematic diagram of processing external teeth serrated lock washer of the present invention;
Fig. 6 is the frock of the processing external teeth serrated lock washer of the present invention stripper schematic diagram that closes;
Fig. 7 is that the upper and lower mould mold insert of the present invention 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 present invention 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 invention, 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 invention, 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 present invention 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 invention also is provided with stop pin 9 on upper bolster 5.
See Fig. 5, Fig. 6, for the pickup convenience, frock of the present invention 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 invention 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 present invention 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 invention (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 invention 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.
During the invention process, 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 invention, the present invention also has other embodiment, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the protection domain of the presently claimed invention.
Claims (8)
1. the processing technology of an external teeth serrated lock washer, comprise the porose external teeth serrated lock washer in a kind of middle part of processing, it is characterized in that: when the processing external teeth serrated lock washer, use a kind of frock of processing external teeth serrated lock washer to process, its processing technology may further comprise the steps:
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 porose, 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 frock close stripper (14), the fixedly unloading bolt (2) of processing external teeth serrated lock washer;
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) edge 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 of tooth mouth (23) of counterdie mold insert (19) and is shaped;
6) part of the upper die is up after the product shaping, under the effect of unloading bolt (2) and stripper (14), product is ejected the part of the lower die from boss (22);
7) according to conventional method product is carried out HRC40～50 heat treatments after, again it is carried out oxidation or Zincing passivation and processes, can finish like this processing to the external teeth serrated lock washer product.
2. 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.
3. the frock of processing external teeth serrated lock washer according to claim 2 is characterized in that: also be provided with stop pin (9) on the described upper bolster (5).
4. the frock of processing external teeth serrated lock washer according to claim 2, 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).
5. according to claim 3 or the frock of 4 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).
6. the frock of processing external teeth serrated lock washer according to claim 2 is characterized in that: described patrix mold insert fixed cover (11) is the flat structure with counterdie mold insert fixed cover (18).
7. the frock of processing external teeth serrated lock washer according to claim 2, it is characterized in that: described alignment pin (13) is the drill bit of φ 0.8mm.
8. the frock of processing external teeth serrated lock washer according to claim 2 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210254147.4A CN102974689B (en) | 2012-07-23 | 2012-07-23 | The processing technology of external teeth serrated lock washer and frock |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210254147.4A CN102974689B (en) | 2012-07-23 | 2012-07-23 | The processing technology of external teeth serrated lock washer and frock |
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| CN102974689A true CN102974689A (en) | 2013-03-20 |
| CN102974689B CN102974689B (en) | 2015-07-29 |
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| CN103386431A (en) * | 2013-08-08 | 2013-11-13 | 贵州航天精工制造有限公司 | Soft flange molding method by rigid soft convex die compound bulging processing |
| CN103447754A (en) * | 2013-09-11 | 2013-12-18 | 上海济可佳精密技术有限公司 | Machining process of precise gap adjusting shims |
| CN104550476A (en) * | 2014-12-31 | 2015-04-29 | 武汉华夏精冲技术有限公司 | Progressive die for limit washer extrusion two-sided oil grooves and limit washer forming method |
| CN104690299A (en) * | 2013-12-04 | 2015-06-10 | 铜陵市永生机电制造有限责任公司 | Lathe machining device for bevel washer |
| CN105234287A (en) * | 2015-11-11 | 2016-01-13 | 贵州航天精工制造有限公司 | Single-lug airtight nut high-cover flanging mold |
| CN107413912A (en) * | 2017-08-18 | 2017-12-01 | 重庆友擘机械制造有限公司 | A kind of method for internal tooth lock washer punching press |
| CN107470430A (en) * | 2017-08-18 | 2017-12-15 | 重庆友擘机械制造有限公司 | Internal tooth lock washer decompressor |
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| CN103386431A (en) * | 2013-08-08 | 2013-11-13 | 贵州航天精工制造有限公司 | Soft flange molding method by rigid soft convex die compound bulging processing |
| CN103447754A (en) * | 2013-09-11 | 2013-12-18 | 上海济可佳精密技术有限公司 | Machining process of precise gap adjusting shims |
| CN103447754B (en) * | 2013-09-11 | 2016-07-06 | 上海济可佳精密技术有限公司 | A kind of precision gap adjusts the processing technique of pad |
| CN104690299A (en) * | 2013-12-04 | 2015-06-10 | 铜陵市永生机电制造有限责任公司 | Lathe machining device for bevel washer |
| CN104550476A (en) * | 2014-12-31 | 2015-04-29 | 武汉华夏精冲技术有限公司 | Progressive die for limit washer extrusion two-sided oil grooves and limit washer forming method |
| CN105234287A (en) * | 2015-11-11 | 2016-01-13 | 贵州航天精工制造有限公司 | Single-lug airtight nut high-cover flanging mold |
| CN107413912A (en) * | 2017-08-18 | 2017-12-01 | 重庆友擘机械制造有限公司 | A kind of method for internal tooth lock washer punching press |
| CN107470430A (en) * | 2017-08-18 | 2017-12-15 | 重庆友擘机械制造有限公司 | Internal tooth lock washer decompressor |
| CN110394763A (en) * | 2019-08-30 | 2019-11-01 | 长虹美菱股份有限公司 | It is a kind of that six tooth washers are fixed on the tooling on compressor bottom board |
| CN110394763B (en) * | 2019-08-30 | 2024-03-19 | 长虹美菱股份有限公司 | Tool for fixing six-tooth gasket on bottom plate of compressor |
| CN112718995A (en) * | 2019-10-28 | 2021-04-30 | 中国航发商用航空发动机有限责任公司 | Punching tool and core rod thereof |
| CN112718995B (en) * | 2019-10-28 | 2023-02-03 | 中国航发商用航空发动机有限责任公司 | Punching tool and core rod thereof |
| CN112742914A (en) * | 2019-10-29 | 2021-05-04 | 中国航发商用航空发动机有限责任公司 | Bending device |
| CN112742914B (en) * | 2019-10-29 | 2023-02-03 | 中国航发商用航空发动机有限责任公司 | Bending device |
| CN112387869A (en) * | 2020-10-28 | 2021-02-23 | 东风汽车有限公司 | Continuous stamping die of inside and outside sawtooth lock washer |
| CN112387851A (en) * | 2020-10-28 | 2021-02-23 | 东风汽车有限公司 | Sawtooth locking washer continuous stamping side cutting piece structure |
| CN113770250A (en) * | 2021-08-18 | 2021-12-10 | 武汉华夏精冲技术有限公司 | Stamping die and forming method of gear fine stamping part |
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| CN102974689B (en) | 2015-07-29 |
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