阅读说明：本技术 一种盘类零件榫槽拉削用转接盘和盘类零件加工装置 (Switching disc for broaching mortise of disc parts and disc part machining device ) 是由 肖飞 张兴远 李晓 王荣 郭晓玲 张锋 黄一丁 赵磊 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种盘类零件榫槽拉削用转接盘和盘类零件加工装置,属于机械加工类工艺装备技术领域,转接盘本体上沿圆心向外圆周线的直径上依次开设有第一通孔、第二通孔和第三通孔,第一通孔用于与外接的拉床夹具的底孔配合连接,第二通孔用于固定拉床夹具；第三通孔用于与外接的分度盘连接,通过该转接盘的使用,解决了不同分度盘上连接节圆不同,造成拉床夹具不能共用的问题,提高了拉床夹具互换性,减少了夹具数量,降低了生产成本。(The invention discloses a switching disc for broaching a mortise of a disc part and a disc part machining device, belonging to the technical field of machining process equipment.A first through hole, a second through hole and a third through hole are sequentially formed in the diameter of an outer circumferential line along the circle center on a switching disc body, the first through hole is used for being matched and connected with a bottom hole of an external broaching machine clamp, and the second through hole is used for fixing the broaching machine clamp; the third through hole is used for being connected with an external dividing plate, and the problem that broaching machine fixtures cannot be shared due to different connecting pitch circles on different dividing plates is solved through the use of the adapter plate, so that the interchangeability of the broaching machine fixtures is improved, the number of the fixtures is reduced, and the production cost is reduced.)

1. The adapter plate for broaching the mortise of the disc part is characterized by comprising an adapter plate body (1), wherein the adapter plate body (1) is circular, and a first through hole (2), a second through hole (3) and a third through hole (4) are sequentially formed in the diameter of the adapter plate body (1) along the circle center to the outer circumferential line;

the first through hole (2) is used for being matched and connected with a bottom hole of an external broaching machine clamp;

the second through hole (3) is used for fixing a broaching machine clamp;

the third through hole (4) is used for being connected with an external dividing plate.

2. The adapter plate for broaching the mortise of the disc part according to claim 1, wherein a plurality of first through holes (2), a plurality of second through holes (3) and a plurality of third through holes (4) are respectively formed;

the first through holes (2), the second through holes (3) and the third through holes (4) are the same in number.

3. The adapter plate for broaching the mortise of the disc part according to claim 2, wherein the distances between the first through holes (2) and the circle center of the adapter plate body (1) are equal;

the distances between the second through holes (3) and the circle center of the adapter plate body (1) are equal;

the distances between the third through holes (4) and the circle center of the adapter plate body (1) are equal.

4. Adapter plate for broaching the mortises of disc parts according to claim 2, characterized in that the number of the first through holes (2), the second through holes (3) and the third through holes (4) is at least 4 respectively.

5. The adapter plate for broaching the mortise of the disc part according to claim 1, wherein the distance between the third through hole (4) and the center of the adapter plate body (1) is smaller than the radius of the adapter plate body (1).

6. The adapter plate for broaching the mortise of the disc part according to claim 1, wherein the third through hole (4) is a counter-sunk hole;

the third through hole (4) is matched and connected with a key groove on an external indexing disc.

7. The adapter plate for broaching the mortise of the disc part according to claim 1, wherein the second through hole (3) is a threaded hole;

the second through hole (3) is connected with a key groove of an external broaching machine clamp.

8. The adapter plate for broaching the mortise of a disc part according to claim 1, wherein the first through hole (2) is in clearance fit with a bottom hole of an externally-connected broaching machine fixture.

9. The adapter plate for broaching the mortise of the disc part according to claim 1, wherein the material of the adapter plate body (1) is 45# steel.

10. The disc part machining device based on the adapter disc for broaching the mortise of the disc part as claimed in any one of claims 1 to 9 comprises a broaching machine clamp, the adapter disc for broaching the mortise of the disc part and an indexing disc, and is characterized in that the adapter disc for broaching the mortise of the disc part is installed between the bottom of the broaching machine clamp and the top of the indexing disc and is fixed through a positioning key.

Technical Field

The invention belongs to the technical field of machining process equipment, and relates to a switching disc for mortise broaching of disc parts and a disc part machining device.

Background

The machining of the axial mortises of the disk parts of the aero-engine needs to be carried out on a broaching machine one by one to finish the machining of a final contour line and all the mortises, the positioning of the parts is realized through a fixture of the broaching machine, and the machining of all the mortises is finished through the one-by-one indexing of a high-precision indexing disk. At present, broaches and index plates of different ages, different countries and different manufacturers exist in production fields, and due to the fact that pitch circles of connecting holes between the index plates and broaches cannot be changed when the broaches are used on different equipment or different index plates, the broaches need to be newly manufactured, the new broaches need to be manufactured, and the new broaches are long in fixture period and high in cost. Therefore, an adapter plate is needed to be designed, the problem of connection between the broaching machine fixture and different dividing plates is solved, interchangeability of the broaching machine fixture is improved, the equipment utilization rate is improved, and production cost is reduced.

Disclosure of Invention

The invention aims to overcome the defect that a broaching machine clamp cannot be connected with different dividing plates in the prior art, and provides an adapter plate for broaching a mortise of a disc part and a disc part machining device.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:

the adapter disc for broaching the mortise of the disc part comprises an adapter disc body, wherein the adapter disc body is circular, and a first through hole, a second through hole and a third through hole are sequentially formed in the diameter of an outer circumferential line of the adapter disc body along the circle center;

the first through hole is used for being matched and connected with a bottom hole of an external broaching machine clamp;

the second through hole is used for fixing a broaching machine clamp;

the third through hole is used for being connected with an external indexing disc.

Preferably, the first through hole, the second through hole and the third through hole are respectively provided with a plurality of through holes;

the number of the first through holes, the second through holes and the third through holes is the same.

Preferably, the distances between the first through holes and the circle center of the adapter plate body are equal;

the distances between the second through holes and the circle center of the adapter plate body are equal;

the distance between the third through holes and the circle center of the adapter plate body is equal.

Preferably, the number of the first through holes, the second through holes and the third through holes is at least 4 respectively.

Preferably, the distance between the third through hole and the circle center of the adapter plate body is smaller than the radius of the adapter plate body.

Preferably, the third through hole is a counter-sunk hole.

The third through hole is matched and connected with a key groove on an external dividing plate.

Preferably, the second through hole is a threaded hole;

the second through hole is connected with a key groove of an external broaching machine clamp.

Preferably, the first through hole is in clearance fit with a bottom hole of the external broaching machine clamp.

Preferably, the material of adapter plate body is 45# steel.

The utility model provides a disk class part processingequipment based on disk class part tongue-and-groove is switching dish and graduated disk for broaching, includes broaching machine anchor clamps, disk class part tongue-and-groove is installed between broaching machine anchor clamps bottom and graduated disk top with the switching dish, and fixes through the navigation key.

Compared with the prior art, the invention has the following beneficial effects:

the invention discloses an adapter disc for broaching a mortise of a disc part, wherein a first through hole, a second through hole and a third through hole are sequentially formed in the diameter of an outer circumferential line along the circle center on an adapter disc body, the first through hole is used for being matched and connected with a bottom hole of an external broaching machine clamp, and the second through hole is used for fixing the broaching machine clamp; the third through hole is used for being connected with an external dividing plate, and the problem that broaching machine fixtures cannot be shared due to different connecting pitch circles on different dividing plates is solved through the use of the adapter plate, so that the interchangeability of the broaching machine fixtures is improved, the number of the fixtures is reduced, and the production cost is greatly reduced.

Furthermore, the material of the adapter plate is 45# steel, and through quenching and tempering, the strength and rigidity meet the requirements of positioning of a broaching machine clamp and part machining.

The invention also discloses a disc part machining device which comprises a broaching machine clamp, a switching disc for broaching the mortise of the disc part and an indexing disc, wherein the switching disc for broaching the mortise of the disc part is arranged between the bottom of the broaching machine clamp and the top of the indexing disc and is fixed through a positioning key.

Drawings

FIG. 1 is a front view of an adapter plate of the present invention;

FIG. 2 is a top view of the adapter plate of the present invention;

FIG. 3 is a schematic view showing an example of the structure of a parts processing apparatus of the present invention 1;

fig. 4 is a schematic structural view of a part processing apparatus of the present invention, example 2.

Wherein: 1-a switching disk body; 2-a first via; 3-a second via; 4-a third via; 21-broaching machine jig; 22-a positioning key; 23-an adapter plate; 24-index plate.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The invention is described in further detail below with reference to the accompanying drawings:

example 1

As shown in fig. 1, the adapter plate for broaching the mortise of the disc part comprises an adapter plate body 1, wherein the adapter plate body 1 is circular, and a first through hole 2, a second through hole 3 and a third through hole 4 are sequentially formed in the diameter of the adapter plate body 1 along the circle center to the outer circumferential line; the first through hole 2 is used for being matched and connected with a bottom hole of an external broaching machine clamp; the second through hole 3 is used for fixing a broaching machine clamp; the third through hole 4 is used for connecting with an external indexing disc.

Example 2

An adapter plate for broaching a mortise of a disc part is a connecting device used between a broaching machine clamp and an index plate.

The adapter plate is matched with a broaching machine clamp and a broaching machine indexing plate for use, the shape of the adapter plate is shown in fig. 1 and fig. 2, the diameter D1 of the adapter plate is in clearance fit with a bottom hole of the broaching machine clamp, and D1 can be designed according to the size of the bottom hole of the broaching machine clamp; the threaded hole with the pitch circle of D2 and the key groove X1 are used for fixing a broaching machine clamp, and the pitch circle D2 can be designed according to the size of the pitch circle of the connecting hole of the broaching machine clamp; the adapter plate is connected to the indexing plate through inner holes of a group of countersunk holes D5 and D7(D7 is a blind hole) with a pitch circle D3 and a key groove X2, and the pitch circle D3, the countersunk hole D5 and the key groove X2 can be designed according to the corresponding size of the indexing plate; (D5 does not actually exist, only does D5 exist because of the presence of the pitch circle D6.) the adapter plate thickness H, counterbore depth H1, threaded hole depth H2, bottom hole depth H3, center shaft height H4, keyway depth H5, H6 shown in FIG. 2 are set as desired.

Example 3

An adapter disc for broaching a mortise of a disc part,

the bottom hole of the third-stage turbine disc broaching machine clamp is phi 133.37, the pitch circle of the countersunk hole is phi 241, and the width of the key groove is 19.01;

the diameter phi 133.37 of the central core shaft of the original index plate used for broaching the part, the pitch circle D2 of the connecting threaded hole is phi 241, and the width of the key groove is 19.01;

the diameter of a central mandrel of a new index plate used for broaching the part is phi 101.6, a pitch circle D3 of a connecting threaded hole is phi 350, and the width of a key groove is 20.64;

according to the above dimensions, the relevant dimensions of the adapter disk to be used are Φ 133.37 as D1, Φ 241 as D2, 19.01 as X1, Φ 350 as D3, Φ 101.6 as D7, and 20.64 as X2.

Example 4

A disc part machining device based on the adapter disc for broaching the mortise of the disc part comprises a broaching machine clamp 21, an adapter disc 23 for broaching the mortise of the disc part and an index disc 24, wherein the adapter disc 23 is connected to a new index disc 24, the broaching machine clamp 21 is connected to the adapter disc 23, the adapter disc 23 and the broaching machine clamp 21 are fixed through a positioning key 22, and the adapter disc 23 and the index disc 24 are fixed through the positioning key 22.

It should be noted that the adapter plate body used in the above embodiment is made of 45# steel, and after thermal refining, the strength and rigidity of the adapter plate body meet the requirements of positioning of a broaching machine fixture and part processing.

In conclusion, the invention solves the problem that broaching machine clamps can not be shared due to different connecting pitch circles on different index plates, improves the interchangeability of the broaching machine clamps, reduces the number of the clamps and reduces the production cost.

The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.