CN213944500U - External tooth forming die of sawtooth locking washer - Google Patents
External tooth forming die of sawtooth locking washer Download PDFInfo
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- CN213944500U CN213944500U CN202022434728.9U CN202022434728U CN213944500U CN 213944500 U CN213944500 U CN 213944500U CN 202022434728 U CN202022434728 U CN 202022434728U CN 213944500 U CN213944500 U CN 213944500U
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Abstract
The utility model discloses an external tooth forming die of sawtooth lock washer, it includes gear cutting terrace die and gear cutting die, the gear cutting terrace die with all be provided with gear cutting portion on the gear cutting die, gear cutting portion is the ring form, be provided with the gear cutting that is used for processing sawtooth lock washer external tooth along what its circumference was arranged in succession on gear cutting portion's the terminal surface, the internal diameter of gear cutting is corresponding with the internal diameter of sawtooth lock washer external tooth, and the external diameter of gear cutting is corresponding with the external diameter of sawtooth lock washer external tooth, and the height of gear cutting is corresponding with the height of sawtooth lock washer external tooth, and the number of gear cutting is corresponding with the number of sawtooth lock washer external tooth. The utility model discloses make things convenient for the quick processing of external tooth sawtooth lock washer or inside and outside tooth sawtooth lock washer.
Description
Technical Field
The utility model relates to a machine tooling cutter technical field specifically is an external tooth forming die of sawtooth lock washer.
Background
Sawtooth lock washer part product has been widely used in fields such as aviation, space flight and steamer, and sawtooth lock washer generally includes outer tooth sawtooth lock washer and inside and outside tooth sawtooth lock washer, and this part is high to locking performance and shape, size, quality requirement, must produce with the help of the mould, and general processing technology is: blanking, cutting the thread hole by a fitter, shaping the shape and the inner hole by pressing teeth, trimming the teeth by the fitter, polishing the flaw mark and carrying out heat treatment
Oxidation or galvanization passivation.
Due to the fact that the sawtooth locking washer is complex and special in structural shape and high in quality requirement, and the conventional die structural design has defects, machined parts cannot meet the product size and process requirements easily, and manual tooth-by-tooth trimming and grinding damage marks are needed. However, the manual trimming has the problems of poor product size consistency, influence on the locking performance of the product, low production efficiency, excessive labor required to be input and increased cost of production enterprises. Meanwhile, the parts machined in the way are inconvenient to take.
In order to solve the problems, the specification of the chinese utility model patent CN202725815U discloses a tool for machining an external sawtooth locking washer, which adopts a middle guide pillar die carrier, and compacts and shapes the existing part by using an insert with sawteeth arranged at the ends of an upper die part and a lower die part, but the tool is substantially of a gear shaping structure, the cutting teeth at the ends of the die are independently arranged at intervals, and the gap between every two adjacent cutting teeth is very small, about 1mm, so that the tool is very difficult to machine; the gear cutting forming of the die must firstly utilize the gear seam notch on the edge of the linear cutting profile, thereby causing the technical problems of low production efficiency of the working procedure and high cost of the linear cutting.
Disclosure of Invention
To the problem that exists among the background art, the utility model aims to provide a simple structure, the lower sawtooth lock washer's of manufacturing cost external tooth forming die to make things convenient for the quick processing of outer tooth sawtooth lock washer or inside and outside tooth sawtooth lock washer.
In order to achieve the aim, the utility model discloses a sawtooth lock washer's external tooth forming die, it includes gear cutting terrace die and gear cutting die, the gear cutting terrace die with all be provided with gear cutting portion on the gear cutting die, gear cutting portion is the ring form, be provided with the gear cutting that is used for processing sawtooth lock washer external tooth along what its circumference was arranged in succession on gear cutting portion's the terminal surface, the internal diameter of gear cutting is corresponding with the internal diameter of sawtooth lock washer external tooth, and the external diameter of gear cutting is corresponding with the external diameter of sawtooth lock washer external tooth, and the height of gear cutting is corresponding with the height of sawtooth lock washer external tooth, and the number of gear cutting is corresponding with the number of sawtooth lock washer external tooth.
In a preferred embodiment of the present invention, the tooth cutting male die includes a connecting portion and a tooth cutting portion which are coaxially arranged.
In a preferred embodiment of the present invention, the tooth cutting die includes a connecting portion and a tooth cutting portion which are coaxially arranged.
In a preferred embodiment of the present invention, the outer diameter of the connecting portion is larger than the outer diameter of the cutting portion.
In a preferred embodiment of the present invention, the connecting portion is provided with a connecting threaded hole.
In a preferred embodiment of the invention, the cutting teeth are arranged rotationally symmetrically with respect to a central axis of the cutting teeth.
In a preferred embodiment of the present invention, the tooth flank shape of each of the cutting teeth corresponds to the tooth flank shape of the outer teeth of the saw tooth lock washer, both of which are curved surfaces.
The utility model has the advantages that: the utility model discloses simple structure, manufacturing convenience, it utilizes gear cutting terrace die and gear cutting die to realize the high-efficient stamping forming of external tooth sawtooth lock washer or internal and external tooth sawtooth lock washer, simultaneously the utility model discloses a be provided with the gear cutting that is used for processing sawtooth lock washer external tooth along its circumference continuous arrangement on the terminal surface of ring form gear cutting portion to the gear cutting terrace die and the gear cutting die processing manufacturing method in comparison file CN202725815U are simpler, have avoided the line cutting manufacturing procedure, have reduced the manufacturing cost of external tooth forming die effectively; simultaneously the utility model discloses also be fit for the modulus of continuity more.
Drawings
FIG. 1 is a schematic view of a prior art internal and external tooth saw tooth lock washer;
FIG. 2 is a front view of a prior art internal and external serrated locking washer;
FIG. 3 is a cross-sectional view of a prior art internal and external tooth saw tooth lock washer;
fig. 4 is a schematic view of an external tooth forming die of a saw tooth lock washer according to the present invention;
FIG. 5 is a schematic view of a tooth cutting punch of an external tooth forming die for a saw tooth lock washer according to the present invention;
fig. 6 is a sectional view of a tooth cutting male die of an external tooth forming die for a saw tooth lock washer according to the present invention;
fig. 7 is a bottom view of a tooth cutting male mold of an external tooth forming mold for a saw tooth lock washer of the present invention;
fig. 8 is a schematic view of a tooth cutting die of an external tooth forming die for a saw tooth lock washer according to the present invention;
fig. 9 is a front view of a tooth cutting die of an external tooth forming die for a saw tooth lock washer of the present invention;
fig. 10 is a plan view of the tooth cutting die of the external tooth forming die for the saw tooth lock washer of the present invention.
Detailed Description
The technical solutions of the present invention (including the preferred technical solutions) are further described in detail below by means of the attached drawings and some optional embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The utility model discloses an external tooth forming die of sawtooth lock washer, it includes gear cutting terrace die 1 and gear cutting die 2, all be provided with gear cutting portion 3 on gear cutting terrace die 1 and the gear cutting die 2, gear cutting portion 3 is the ring form, be provided with on the ring form gear cutting portion 3's the terminal surface along the gear cutting 4 that is used for processing sawtooth lock washer external tooth that its circumference was arranged in succession, gear cutting 4's internal diameter is corresponding with the internal diameter of sawtooth lock washer external tooth, gear cutting 4's external diameter is corresponding with the external diameter of sawtooth lock washer external tooth, gear cutting 4's height and the highly corresponding of sawtooth lock washer external tooth, gear cutting 4's number is corresponding with the number of sawtooth lock washer external tooth.
Preferably, the gear cutting punch 1 comprises a connecting portion 5 and a gear cutting portion 3 arranged coaxially.
Preferably, the gear cutting die 2 comprises a connecting portion 5 and a gear cutting portion 3 arranged coaxially.
Preferably, the outer diameter of the connecting portion 5 is larger than the outer diameter of the serration portion 3.
Preferably, the connecting portion 5 is provided with a connecting threaded hole, and the threaded hole is coaxial with the connecting portion 5.
Preferably, the cutting teeth 4 are arranged rotationally symmetrically with respect to the central axis of the cutting tooth portion 3.
Preferably, the tooth flank shape of each of the cutter teeth 4 corresponds to the tooth flank shape of the outer teeth of the saw tooth lock washer, both of which are curved surfaces.
The present invention is explained by combining an inner and outer tooth locking washer, and the parameters of the inner and outer tooth locking washer are as follows: d 1-major diameter of outer teeth; d 2-minor diameter of outer teeth; d, inner tooth small diameter; d1-inner tooth major diameter; h-outer tooth height; h1-internal tooth height; s-material thickness; m-inner tooth number; n-the number of outer teeth. The cutting teeth 3 on the cutting tooth punch 1 and the cutting tooth die 2 are obtained by three-dimensional modeling and post-processing according to the parameters, the die surface of the cutting teeth 3 is the same curved surface as the outer tooth surface of the inner and outer tooth saw tooth locking washers, the tooth number n 'of the cutting teeth 3 is equal to the outer tooth number n, the tooth surface number and distribution of the cutting teeth 3 are defined by the tooth number n', the minor diameter d2 'of the cutting teeth 3 is equal to the minor diameter d2, the major diameter d 1' of the cutting teeth 3 is equal to the major diameter d1 of the cutting teeth, the tooth height H 'of the cutting teeth 3 is equal to the tooth height H of the outer teeth, two end points A, B of the curved surface of the cutting teeth 3 are defined by the major diameter d 1' of the cutting teeth 3 and the tooth height H 'of the cutting teeth 3, the two end points A, B are not coplanar, and the distance between the two end points A, B is equal to the tooth height H' of the cutting teeth 3; the small diameter d2 'of the cutting tooth 3 and the tooth thickness of the cutting tooth 3 define two outer end points C, D of the curved surface of the cutting tooth 3, the two end points C, D are not coplanar, the distance between the two end points C, D is equal to the tooth height H' of the cutting tooth 3, and the end points A, B, C, D construct a tooth model curved surface.
It will be understood by those skilled in the art that the foregoing is merely exemplary of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, combinations, alternatives, and equivalents falling within the spirit and scope of the invention.
Claims (7)
1. The utility model provides a sawtooth lock washer's external tooth forming die, includes gear cutting terrace die and gear cutting die, its characterized in that: the tooth cutting male die and the tooth cutting female die are both provided with tooth cutting portions, the tooth cutting portions are circular, cutting teeth which are continuously arranged along the circumferential direction of the tooth cutting portions and used for machining outer teeth of the sawtooth locking washers are arranged on the end faces of the tooth cutting portions, the inner diameters of the cutting teeth correspond to the inner diameters of the outer teeth of the sawtooth locking washers, the outer diameters of the cutting teeth correspond to the outer diameters of the outer teeth of the sawtooth locking washers, the heights of the cutting teeth correspond to the heights of the outer teeth of the sawtooth locking washers, and the number of the cutting teeth corresponds to the number of the outer teeth of the sawtooth locking.
2. The external tooth forming die for a saw tooth lock washer according to claim 1, wherein: the gear cutting male die comprises a connecting part and a gear cutting part which are coaxially arranged.
3. The external tooth forming die for a saw tooth lock washer according to claim 1, wherein: the gear cutting female die comprises a connecting part and a gear cutting part which are coaxially arranged.
4. An external teeth forming die for a saw tooth lock washer according to claim 2 or 3, characterized in that: the outer diameter of the connecting portion is larger than that of the cutting portion.
5. An external teeth forming die for a saw tooth lock washer according to claim 2 or 3, characterized in that: the connecting part is provided with a connecting threaded hole.
6. The external tooth forming die for a saw tooth lock washer according to claim 1, wherein: the cutting teeth are arranged in a rotationally symmetrical manner with respect to a center axis of the cutting teeth portion.
7. The external tooth forming die for a saw tooth lock washer according to claim 1, wherein: the tooth flank shape of each of the incised teeth corresponds to the tooth flank shape of the outer teeth of the saw tooth lock washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434728.9U CN213944500U (en) | 2020-10-28 | 2020-10-28 | External tooth forming die of sawtooth locking washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434728.9U CN213944500U (en) | 2020-10-28 | 2020-10-28 | External tooth forming die of sawtooth locking washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213944500U true CN213944500U (en) | 2021-08-13 |
Family
ID=77205536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022434728.9U Active CN213944500U (en) | 2020-10-28 | 2020-10-28 | External tooth forming die of sawtooth locking washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213944500U (en) |
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2020
- 2020-10-28 CN CN202022434728.9U patent/CN213944500U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211208 Address after: 442020 No. 115, Checheng West Road, Shiyan City, Hubei Province Patentee after: General casting and Forging Branch of Dongfeng auto parts (Group) Co.,Ltd. Address before: 430056 No. 10 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Wuhan, Hubei Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| TR01 | Transfer of patent right |