CN217859898U

CN217859898U - Hole and tooth milling composite cutter

Info

Publication number: CN217859898U
Application number: CN202221938044.5U
Authority: CN
Inventors: 黄小华; 刘诚
Original assignee: Shenzhen Huangzhun Technology Co ltd
Current assignee: Shenzhen Huangzhun Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-22
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to the technical field of machining cutting tools, the utility model discloses a hole milling and tooth milling composite cutter, including a cutter handle and a cutter head arranged at one end of the cutter handle, the cutter head comprises an integrated bottom hole processing part, a thread milling part and a chamfer processing part, a plurality of first cutter grooves are evenly distributed along the circumferential direction outside the bottom hole processing part, a cutting edge is formed at one side of each first cutter groove, a plurality of second cutter grooves are evenly distributed along the circumferential direction outside the thread milling part; the utility model discloses simple structure collects the hole milling, attacks tooth and chamfer function in an organic whole, realizes multiple functions through different control program when using, and a cutter can be accomplished, has avoided the tool changing many times, has improved production efficiency and product quality, has reduced manufacturing cost, and person of facilitating the use's operation is used to because of once finishing processing, product uniformity is excellent with stability.

Description

Hole and tooth milling composite cutter

Technical Field

The utility model relates to a machining cutting tool technical field specifically is compound sword of milling hole milling tooth.

Background

As the application of thread milling technology to machine manufacturing has become increasingly widespread, thread milling cutters have been used as tools for cutting machining of internal threads on workpieces.

However, when the same product is processed into holes and teeth, the same product needs to be processed by a plurality of cutters with different functions, so that the processing time is long, and the accuracy of processing and positioning can be influenced by changing the cutters for many times, so that the quality of the product is unstable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hole milling and tooth milling compound cutter to the solution is carrying out the man-hour of hole and tooth to same product, and same product need be accomplished through the cutter processing of many different functions, and it is longer to lead to process time, and the precision that the tool changing can influence the processing location many times moreover leads to the unstable problem of product quality.

In order to achieve the above object, the utility model provides a following technical scheme: hole milling and tooth milling composite cutter comprises a cutter handle and a cutter head arranged at one end of the cutter handle, wherein the cutter head comprises an integrally formed bottom hole machining part, a thread milling part and a chamfer machining part, a plurality of first cutter grooves are uniformly distributed on the outer side of the bottom hole machining part along the circumferential direction, cutting edges are formed on one side of the first cutter grooves, a plurality of second cutter grooves are uniformly distributed on the outer side of the thread milling part along the circumferential direction, the thread milling part is externally positioned in two, a tooth cutter is arranged between the second cutter grooves, a third cutter groove is arranged on the chamfer machining part, and a chamfer cutter positioned between the third cutter grooves and used for machining chamfers is arranged on the chamfer machining part.

Preferably, one end of the chamfer processing part, which is close to the thread milling part, is provided with step-shaped cutter teeth, and the cutter teeth are positioned between every two adjacent third cutter grooves.

Preferably, the second sipe and the third sipe are respectively helical.

Preferably, the second sipe is in communication with the first sipe.

Preferably, the dental cutter is symmetrically arranged on the thread milling part.

Preferably, the tool holder is fixedly connected with the chamfer machining part.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure collects the hole milling, attacks tooth and chamfer function in an organic whole, realizes multiple functions through different control program when using, and a cutter can be accomplished, has avoided a lot of tool changeings, has improved production efficiency and product quality, has reduced manufacturing cost, and person of facilitating the use's operation is used to because of once accomplishing processing, product uniformity is excellent with stability.

Drawings

Fig. 1 is a schematic perspective view of the hole-milling and tooth-milling compound cutter of the present invention;

fig. 2 is a front view of the hole and tooth milling compound cutter of the present invention;

fig. 3 is an enlarged view of the cutter head of fig. 2.

In the figure: 10-a knife handle; 20-a cutter head; 30-bottom hole processing part; 31-a first sipe; 32-a cutting edge; 40-milling a thread part; 41-a second sipe; 42-a dental cutter; 50-chamfering the machined part; 51-a third sipe; 52-chamfering tool; 53-cutter teeth.

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. 1-3, the present invention provides a technical solution: the hole milling and tooth milling composite cutter comprises a cutter handle 10 and a cutter head 20 arranged at one end of the cutter handle 10, the cutter handle 10 is fixedly connected with a chamfer processing part 50, and the hole milling and tooth milling composite cutter can be positioned by clamping the cutter handle 10. In addition, according to the utility model discloses an embodiment, handle of a knife 10 and tool bit 20 all use superfine granule tungsten steel, have excellent wearability, good high-speed cutting stability. The tool bit 20 comprises an integrally formed bottom hole machining part 30, a milling thread part 40 and a chamfering machining part 50, a plurality of first tool grooves 31 are uniformly distributed on the outer side of the bottom hole machining part 30 along the circumferential direction, the first tool grooves 31 can be used for chip removal, cutting edges 32 are formed on one sides of the first tool grooves 31, a plurality of second tool grooves 41 are uniformly distributed on the outer side of the milling thread part 40 along the circumferential direction, the second tool grooves 41 are communicated with the first tool grooves 31, the second tool grooves 41 can be used for chip removal, a dental cutter 42 is arranged between the two second tool grooves 41 on the outer side of the milling thread part 40, and the dental cutter 42 is symmetrically arranged on the milling thread part 40 and used for machining a thread part, and a third tool groove 51 is formed in the chamfering machining part 50. In addition, according to the embodiment of the present invention, the second and third sipes 41 and 51 are respectively formed in a spiral shape, and the tool does not vibrate during machining as compared with a linear groove, so that the machined surface can be smooth. The chamfer processing part 50 is provided with a chamfer tool 52 for processing chamfer between two adjacent third tool grooves 51.

Further, during machining, the cutting edge 32 of the bottom hole machining portion 30 firstly performs bottom hole machining on a product, along with deep machining of the product by the hole milling and tooth milling composite cutter, when the cutter tooth 53 of the thread milling portion 40 contacts with the product, the cutter tooth 53 of the thread milling portion 40 can then perform thread milling on the bottom hole machined by the bottom hole machining portion 30, and when the chamfering cutter 52 of the chamfering machining portion 50 contacts with the product, the chamfering cutter 52 of the chamfering machining portion 50 can perform chamfering or countersunk hole machining on the bottom hole machining portion 30 and the threaded hole machined by the thread milling portion 40, that is, the bottom hole machining portion 30, the thread milling portion 40 and the chamfering machining portion 50 can perform bottom hole machining, thread machining and chamfer machining on the product in sequence, so that one cutter can integrally complete bottom hole milling, thread milling and chamfer machining, machining efficiency is improved, and machining cost is reduced.

Referring to fig. 3, according to the utility model discloses an embodiment, the diameter of milling thread portion 40 is less than the diameter of bottom outlet processing portion 30 to guarantee that bottom outlet processing portion 30 has the clearance of keeping away to the bottom outlet that product processing formed with milling thread portion 40, avoid milling thread portion 40 and this bottom outlet direct contact.

Referring to fig. 1, in the preferred embodiment, a stepped cutting tooth 53 is disposed at an end of the chamfer processing portion 50 close to the thread milling portion 40, and the cutting tooth 53 is located between two adjacent third flutes 51, so that a countersunk hole can be processed on a product through the cutting tooth 53.

In a preferred embodiment of the present invention, the present invention is also directed to another embodiment.

The working principle is as follows: when processing, the cutting edge 32 of the bottom hole processing part 30 carries out bottom hole processing on the product firstly, along with the deep processing of the milling hole and milling tooth compound cutter on the product, when the cutter tooth 53 of the milling thread part 40 contacts with the product, the cutter tooth 53 of the milling thread part 40 can then carry out thread milling on the bottom hole processed by the bottom hole processing part 30, when the chamfer cutter 52 of the chamfer processing part 50 contacts with the product, the chamfer cutter 52 of the chamfer processing part 50 can carry out chamfer or countersunk hole processing on the threaded holes processed by the bottom hole processing part 30 and the milling thread part 40, that is to say, the bottom hole processing part 30, the thread part 40 and the chamfer processing part 50 can carry out bottom hole processing, thread processing and chamfer processing on the product in sequence.

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. Compound sword of milling hole milling tooth, including handle of a knife (10) with set up in tool bit (20) of handle of a knife (10) one end, tool bit (20) include integrated into one piece's bottom hole portion of processing (30), mill screw thread portion (40) and chamfer portion of processing (50), its characterized in that: bottom opening processing portion (30) outside has a plurality of first knife groove (31) along circumferencial direction evenly distributed, first knife groove (31) one side forms cutting edge (32), it has a plurality of second knife groove (41) to mill screw portion (40) outside along circumferencial direction evenly distributed, it is located two to mill screw portion (40) outside be equipped with broach (42) between second knife groove (41), third knife groove (51) have been seted up on chamfer processing portion (50), be equipped with on chamfer processing portion (50) and be located adjacent two chamfer sword (52) that are used for processing the chamfer between third knife groove (51).

2. A hole and tooth milling compound cutter as defined in claim 1, wherein: one end, close to the milled thread part (40), of the chamfer processing part (50) is provided with step-shaped cutter teeth (53), and the cutter teeth (53) are located between every two adjacent third cutter grooves (51).

3. A hole and tooth milling compound cutter as defined in claim 1, wherein: the second sipes (41) and the third sipes (51) are respectively spiral.

4. A hole and tooth milling compound cutter as defined in claim 1, wherein: the second knife groove (41) is communicated with the first knife groove (31).

5. The hole and tooth milling compound cutter as claimed in claim 1, wherein: the dental cutter (42) is symmetrically arranged on the milling thread part (40).

6. A hole and tooth milling compound cutter as defined in claim 1, wherein: the cutter handle (10) is fixedly connected with the chamfer processing part (50).