CN210306086U

CN210306086U - Novel topping pinion cutter

Info

Publication number: CN210306086U
Application number: CN201920458049.XU
Authority: CN
Inventors: 叶士聪; 王建波; 王航欢
Original assignee: ZHEJIANG SHANGYOU TOOLS CO Ltd
Current assignee: ZHEJIANG SHANGYOU TOOLS CO Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-04-14
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses a novel topping slotting tool, which comprises a mounting handle and a fluted disc, wherein the mounting handle is welded at the center of the upper surface of the fluted disc, the fluted disc is in a conical shape with a small upper part and a big lower part, cutter teeth are arranged on the conical surface of the fluted disc, the number of the cutter teeth is N/M of the number of the deformed internal splines to be processed, the number of the cutter teeth is N/M times of the number of the deformed internal splines to be processed, the cutter teeth are in a standard involute shape, a cutting block is arranged at the tooth root corresponding to the position of the topping teeth, the slotting tool is developed and processed, topping is carried out on the topping teeth by the cutting block arranged at the tooth root of the slotting tool, the topping teeth are all developed and processed by the slotting tool to form a correct tooth profile and a tooth top topping plane at one time, the processing efficiency is high, the precision and the size of the slotting tool guarantee the precision and the size of the splines, the set cutting block is fixed at the tooth root, the number of cutting blocks can be added or reduced according to actual processing requirements, the spacing distance of the plurality of cutting blocks can be changed, the application range is wide, and the practicability is high.

Description

Novel topping pinion cutter

Technical Field

The utility model relates to a cutter technical field for the machining specifically is a novel gear shaping sword of topping.

Background

The development of the random mechanical industry, various standard products are less and less, various products can produce different shapes along with different requirements of use, along with the development of the times, the existing special-shaped internal spline which is provided with tooth tops with uniformly distributed N positions and is linear is shown, the existing special-shaped internal spline is machined into gear shaping and then is subjected to linear tooth top cutting or gear milling, the size and the precision of a workpiece are difficult to guarantee through secondary clamping, and the machining efficiency is low, for example, the special-shaped internal spline is provided with 128 teeth, wherein the tooth tops of three continuous teeth are machined, 4 positions are uniformly distributed, 12 teeth are totally formed, and the rest of the teeth are normal teeth.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, a novel topping slotting cutter is provided, the cutter number of teeth is that the M/N of work piece number of teeth is doubly (M is greater than or equal to 1, M < N), the cutter profile of teeth is the standard gradually bursts at seams, the gear each tooth that the non-addendum of normal tooth processing was topped, its tooth root does not participate in the cutting, and the tooth root that corresponds the position of topping tooth is provided with the cutting block, the slotting cutter is expanded into processing, the cutting block that sets up by the slotting cutter tooth root is to topping the tooth, a clamping, all expand into by the slotting cutter and process out correct profile of teeth and addendum topping flat face, machining efficiency is high, and the precision of spline has been guaranteed to the precision and the size of slotting cutter, the size, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel gear shaping sword of cutting top, includes installation handle and fluted disc, the installation handle welding is located at the center of fluted disc upper surface, and the fluted disc is big end down's toper, is provided with the sword tooth on the conical surface of fluted disc, and the quantity of sword tooth is the N/M times of treating processing dysmorphism internal spline tooth number, and wherein N is greater than or equal to 1, and N < M, and tooth root department between two adjacent sword teeth is provided with the cutting block.

As an optimized technical scheme of the utility model, tooth root department is provided with the screw, and the quantity of screw is two and is the upper and lower direction and distributes.

As an optimal technical scheme of the utility model, the cutting block passes through the screw cooperation screw and installs in tooth root department.

As an optimized technical scheme of the utility model, the screw is fluting countersunk screw.

As an optimized technical scheme of the utility model, the bottom of fluted disc is provided with the kerve.

As an optimized technical scheme of the utility model, the top edge relief angle of sword tooth is 10, and the profile of tooth of sword tooth is the standard and gradually bursts at seams.

As a preferred technical scheme of the utility model, the quantity of cutting block is confirmed according to the shape of waiting to process special-shaped internal spline, and the number of teeth is one hundred twenty-eight teeth, and wherein the addendum of three continuous teeth cuts the top, and the equipartition everywhere, ten bidentate altogether, all the other special-shaped internal splines for normal tooth, and the cutting block quantity of the gear shaping sword of cutting the top of processing this spline is three and installs the tooth root department at adjacent three sword tooth.

As an optimal technical scheme of the utility model, the side of cutting block and the root side in close contact with of sword tooth, the top sword shape of cutting block is according to the design of the dysmorphism internal spline topping shape of waiting to process.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses gear shaping sword of cutting one's top, the cutter number of teeth is that the M/N of work piece number of teeth is doubly (M is greater than or equal to 1, M < N), the cutter profile of teeth is the standard gradually bursts at the seams, the spline each tooth that the top was cut to the non-addendum of normal tooth processing, its tooth root does not participate in the cutting, and the corresponding tooth root that cuts the top tooth position is provided with the cutting block, gear shaping sword generates the processing, the cutting block that sets up by gear shaping sword tooth root cuts the top to cutting the top tooth, a clamping, all generate the processing by gear shaping sword generates correct profile of teeth and addendum and cuts the apical plane, high machining efficiency, and the precision of spline, the size have been guaranteed to the precision and the size of gear shaping sword, the cutting block of setting is fixed in gear shaping sword's tooth root department by the countersunk screw, can add or reduce the quantity of cutting block according to the actual processing needs.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic bottom structure diagram of the present invention.

In the figure: 1 mounting handle, 2 fluted discs, 3 cutter teeth, 4 tooth roots, 5 screw holes, 6 cutting blocks, 7 screws and 8 bottom grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a novel top cutting slotting cutter comprises a mounting handle 1 and a fluted disc 2, wherein the bottom of the fluted disc 2 is provided with a bottom groove 8, the bottom groove 8 reduces the weight of the slotting cutter and saves materials for producing the slotting cutter, the mounting handle 1 is welded at the center of the upper surface of the fluted disc 2, the fluted disc 2 is in a conical shape with a small top and a big bottom, cutter teeth 3 are arranged on the conical surface of the fluted disc 2, the top edge relief angle of the cutter teeth 3 is 10 degrees, the cutter teeth 3 with 10-degree top edge relief angle have high durability, the cutter grinding frequency is reduced, the production efficiency is improved, the tooth form of the cutter teeth 3 is a standard involute, the number of the cutter teeth 3 is N/M times of the number of the irregular internal splines to be processed, wherein N is more than or equal to 1, N is less than M, when the irregular key regular distribution of the irregular internal splines to be processed, a cutting block 6 arranged on the slotting cutter can be used for top cutting the teeth, and each tooth of the non-add, the tooth root of the cutting block 6 is not cut, the gear shaper cutter is generated and processed, the topping tooth is topped by the cutting block 6 arranged on the tooth root 4 of the gear shaper cutter, the cutting block 6 is arranged on the tooth root 4 between two adjacent cutter teeth 3, and the cutting block 6

The side surface is closely contacted with the side surface of the root part of the cutter tooth 3 so as to improve the processing precision, the top edge shape of the cutting block 6 is designed according to the top cutting shape of the special-shaped internal spline to be processed, screw holes 5 are arranged at the tooth root 4, the number of the screw holes 5 is two and is distributed in the vertical direction, the cutting block 6 is arranged at the tooth root 4 by matching the screw holes 5 through screws 7, the cutting block 6 arranged through the screws 7 is convenient to disassemble, the number of the cutting blocks can be added or reduced according to the actual processing requirement, the spacing distance of a plurality of cutting blocks can be changed, the application range is wide, the practicability is high, one-time clamping is realized, the correct tooth form and the tooth top cutting plane are completely developed and processed by the slotting cutter, the processing efficiency is high, the precision and the size of the slotting cutter ensure the precision and the size of the spline, the screws 7 are slotting countersunk head screws, and the slotting countersunk, the machining precision is influenced, and the number of the cutting blocks 6 is determined according to the shape of the special-shaped internal spline to be machined, for example, the number of teeth is one hundred twenty eight teeth, wherein three are continuous

The tooth top of the tooth is cut and topped, and the equipartition of four places totally twelve teeth, the rest is the dysmorphism internal spline of normal tooth, the cutting block 6 quantity of the top cutting pinion cutter of processing this spline is three and installs 4 departments in the tooth root of adjacent three sword tooth 3.

When in use: when waiting to process the special-shaped key regular distribution of dysmorphism internal spline, cutting block 6 that this pinion cutter set up can cut the top to special-shaped tooth, each tooth of the non-addendum of normal tooth processing top-cutting spline, its tooth root does not participate in the cutting, the pinion cutter exhibition becomes processing, cutting block 6 by pinion cutter tooth root 4 setting cuts the top to the tooth that cuts, cutting block 6 convenient to detach through the installation of screw 7, can add or reduce the quantity of cutting block according to actual processing needs, also can change the spacing distance of a plurality of cutting blocks, wide application scope, high in practicability, once the clamping, all by pinion cutter exhibition processing out correct profile of tooth and addendum cutting top plane, machining efficiency is high, and the precision of spline, size have been guaranteed to the precision and the size of pinion cutter.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel topping pinion cutter, includes installation handle (1) and fluted disc (2), its characterized in that: the mounting handle (1) is welded at the center of the upper surface of the fluted disc (2), the fluted disc (2) is in a conical shape with a small upper part and a large lower part, cutter teeth (3) are arranged on the conical surface of the fluted disc (2), the number of the cutter teeth (3) is N/M times of the number of teeth of the special-shaped internal spline to be processed, N is larger than or equal to 1 and smaller than M, and a cutting block (6) is arranged at a tooth root (4) between every two adjacent cutter teeth (3).

2. The novel topping pinion cutter according to claim 1, wherein: the tooth root (4) is provided with two screw holes (5), and the number of the screw holes (5) is distributed in the vertical direction.

3. The novel topping pinion cutter according to claim 1 or 2, wherein: the cutting block (6) is arranged at the tooth root (4) through a screw (7) matched with the screw hole (5).

4. The novel topping pinion cutter according to claim 3, wherein: the screw (7) is a slotted countersunk head screw.

5. The novel topping pinion cutter according to claim 1, wherein: and a bottom groove (8) is arranged at the bottom of the fluted disc (2).

6. The novel topping pinion cutter according to claim 1, wherein: the back angle of the top edge of the cutter tooth (3) is 10 degrees, and the tooth form of the cutter tooth (3) is a standard involute.

7. The novel topping pinion cutter according to claim 1, wherein: the number of the cutting blocks (6) is determined according to the shape of the special-shaped internal spline to be machined, the number of the teeth is one hundred twenty eight teeth, the tops of three continuous teeth are cut and are uniformly distributed at four positions, the teeth are twelve teeth in total, the rest are the special-shaped internal spline of normal teeth, and the number of the cutting blocks (6) of the top cutting slotting cutter for machining the spline is three and is arranged at the tooth root (4) of each adjacent three cutter teeth (3).

8. The novel topping pinion cutter according to claim 1, wherein: the side surface of the cutting block (6) is in close contact with the side surface of the root part of the cutter tooth (3), and the shape of the top edge of the cutting block (6) is designed according to the cutting shape of the special-shaped internal spline to be processed.