阅读说明：本技术 一种加工小模数齿轮的刮齿刀 (Gear scraping cutter for machining small-modulus gear ) 是由 范晓海 于 2021-01-20 设计创作，主要内容包括：本发明提供了一种加工小模数齿轮的刮齿刀,属于机械技术领域。它解决了现有通过滚齿或插齿对小模数齿轮进行加工的加工效率低的问题。本加工小模数齿轮的刮齿刀,包括设有清根的刀体,刀体呈盘状设置,并为一体式结构成型,刀体外壁上沿其周长方向设有若干个支撑体,各支撑体的一端部均安装有刀片,刀片均采用0度后角,且该刀片通过螺栓与相对应支撑体相固连。本发明具有能够大大提高小模数齿轮加工效率的优点。(The invention provides a gear scraping cutter for machining a small-module gear, and belongs to the technical field of machinery. The problem that machining efficiency is low when the small module gear is machined through hobbing or gear shaping in the prior art is solved. This gear scraping cutter of processing minor modulus gear, including the cutter body that is equipped with the back chipping, the cutter body is the disc setting to formula structure shaping as an organic whole is equipped with a plurality of supporter along its girth direction on the cutter body outer wall, and the blade is all installed to a tip of each supporter, and the blade all adopts 0 degree relief angle, and this blade links firmly with corresponding supporter mutually through the bolt. The invention has the advantage of greatly improving the processing efficiency of the small module gear.)

1. The utility model provides a gear scraping cutter of processing little modulus gear, its characterized in that, including cutter body (2) that are equipped with back chipping (1), cutter body (2) be the disc setting to formula structural molding as an organic whole, cutter body (2) outer wall on be equipped with a plurality of supporter (3) along its girth direction, each blade (4) are all installed to a tip of supporter (3), blade (4) all adopt 0 degree relief angle, and this blade (4) link firmly mutually with corresponding supporter (3) through the bolt.

2. The gear scraping cutter for machining the small-modulus gear as claimed in claim 1, wherein the blades (4) are all of a diamond structure, the cutter body (2) is provided with mounting grooves (5) corresponding to the support bodies (3) for mounting the cutter body (2), and the end face of the support body (3) on which the cutter body (2) is mounted is a diamond face.

3. The gear scraping cutter for machining the small-module gear as claimed in claim 2, wherein an end face, provided with the mounting groove (5), of the cutter body (2) is taken as a reference surface, and each support body (3) and the blade (4) mounted on the corresponding support body (3) deflect in the counterclockwise direction.

4. The gear scraping cutter for machining the small-module gear is characterized in that a mounting angle is formed between the bottom surface of the blade (4) and the end surface of the cutter body (2), and the angle of the mounting angle is 10-20 degrees.

5. The gear scraping cutter for machining the small-module gear is characterized in that a ridge surface (6) is formed on the outer edge of the supporting body (3), and the transverse width of the ridge surface (6) is gradually reduced from the bottom to the top of the supporting body (3).

6. The gear scraping cutter for machining the small-modulus gear as claimed in claim 1, wherein a curved groove body (7) is formed in the outer wall of the cutter body (2) and between two adjacent supporting bodies (3).

Technical Field

The invention belongs to the technical field of machinery, and relates to a gear scraping cutter for machining a small-module gear.

Background

At present, the small module gear is processed by a hobbing method or a gear shaping method, and the hobbing method or the gear shaping method processes the small module gear according to a generating method principle. The method for machining the small module gear by adopting the hobbing or gear shaping method is common in the corresponding field at present, but with the continuous progress of the society, people find that no matter the hobbing or gear shaping method is adopted, the working efficiency caused by the hobbing or gear shaping method is low, and the industrial standard of rapidness and high efficiency of the current mechanical industry cannot be met, so that a novel gear scraping cutter for machining the small module gear is designed to overcome the problem.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a gear scraping cutter which can greatly improve the processing efficiency of a small-module gear.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a gear scraping cutter of processing minor modulus gear, its characterized in that, is including the cutter body that is equipped with the back chipping, the cutter body be the disc setting to formula structural molding as an organic whole, the cutter body outer wall on be equipped with a plurality of supporter along its girth direction, each the blade is all installed to one end of supporter, the blade all adopt 0 degree relief angle, and this blade links firmly with corresponding supporter mutually through the bolt.

In the above-mentioned gear scraping cutter for processing a small module gear, the blades are all of a diamond structure, the cutter body is provided with mounting grooves for mounting the cutter body at positions corresponding to the support bodies, and the end surfaces of the support bodies on which the cutter body is mounted are diamond surfaces.

In the above-mentioned gear scraping cutter for processing a small module gear, the end face of the cutter body provided with the mounting groove is used as a reference surface, and each support body and the blade mounted on the corresponding support body deflect in the counterclockwise direction.

In the above-mentioned tooth scraping knife for processing the small module gear, an installation angle is formed between the bottom surface of the blade and the end surface of the knife body, and the angle of the installation angle is between 10 ° and 20 °.

In the above-mentioned gear scraping cutter for processing a small module gear, a ridge surface is formed on an outer edge of the support body, and the transverse width of the ridge surface gradually decreases from the bottom to the top of the support body.

In the above-mentioned gear scraping cutter for machining a small-module gear, a curved groove body in a curved shape is formed on the outer wall of the cutter body and between two adjacent supporting bodies.

Compared with the prior art, the gear scraping cutter for machining the small module gear changes the previous machining mode of the small module gear, adopts the mode of scraping the gear for machining, and can greatly improve the working efficiency, improve the production progress and keep the advantages of high precision and high timeliness through repeated machining tests.

Drawings

Fig. 1 is a schematic perspective view of the gear scraping knife for machining a small module gear.

Fig. 2 is a schematic structural diagram of the gear scraping knife for machining the small module gear.

Fig. 3 is a schematic perspective view of a cutter body in the gear scraping cutter for machining the small-module gear.

In the figure, 1, root cleaning; 2. a cutter body; 3. a support body; 4. a blade; 5. mounting grooves; 6. a prism surface; 7. a curved groove body.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the gear scraping cutter for machining the small module gear comprises a cutter body 2 provided with a back chipping blade 1, wherein the cutter body 2 is in a disc shape and is formed into an integrated structure, a plurality of supporting bodies 3 are arranged on the outer wall of the cutter body 2 along the circumferential direction of the cutter body, a blade 4 is arranged at one end of each supporting body 3, the blade 4 adopts a 0-degree back angle, and the blade 4 is fixedly connected with the corresponding supporting body 3 through a bolt.

Further, the blades 4 are of a diamond structure, the positions, corresponding to the support bodies 3, of the blade body 2 are provided with mounting grooves 5 for the blade body 2 to be mounted, the end face, on which the blade body 2 is mounted, of the support body 3 is a diamond surface, the groove shape of each mounting groove 5 is matched with the shape of one half of the blades 4, the support body 3 is composed of a first wall, a second wall, a third wall and a fourth wall, the first wall is formed by outwards extending one end of the blade body 2, the second wall and the third wall are respectively located on two sides of the first wall and form included angles therebetween, the fourth wall is provided with the mounting grooves 5, so that the diamond surface for the blade body 2 to be mounted is formed, screw holes are formed in the middle of the blade body 2 and the corresponding positions on the fourth.

In more detail, the end face of the cutter body 2 provided with the mounting groove 5 is used as a reference face, each support body 3 and the corresponding blade 4 mounted on the support body 3 deflect in the counterclockwise direction, a mounting angle is formed between the bottom face of the blade 4 and the end face of the cutter body 2, the angle of the mounting angle is 10-20 degrees, the mounting angle is named as a mounting angle alpha, the blade 4 inclines upwards relative to the end face of the cutter body 2, the mounting angle is also an upper inclination angle of the blade 4, and then the bottom face of the blade 4 and the end face of the cutter body 2 have a height drop.

In more detail, the outer edge of the supporting body 3 is provided with a prism surface 6, and the transverse width of the prism surface 6 is gradually decreased from the bottom to the top of the supporting body 3, so that the design aims to avoid the interference of the blade 4 during processing, and the blade 4 is reasonably installed.

To avoid interference, a curved groove 7 is formed on the outer wall of the cutter body 2 between two adjacent supporting bodies 3.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.