CN216575732U

CN216575732U - Milling cutter tool

Info

Publication number: CN216575732U
Application number: CN202123185181.4U
Authority: CN
Inventors: 王绍文; 任庆硕; 温利鹏; 孟繁强
Original assignee: Bestool Tool Manufacturing Co ltd
Current assignee: Bestool Tool Manufacturing Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-24
Anticipated expiration: 2031-12-17

Abstract

The application discloses a milling cutter tool, which comprises a connecting shaft, a milling cutter head and a milling cutter head, wherein the connecting shaft is coaxially connected with a main shaft of a milling machine; the cutter head is arranged at one end of the connecting shaft, which is far away from the main shaft of the milling machine; the cutter head is provided with a circumferential mounting area which is arranged around the axis of the connecting shaft; the circumferential installation area is rotatably provided with a blade, and the rotating shaft of the blade is not parallel to the connecting shaft; the blade is provided with a circle of cutting edge arranged around a rotating shaft of the blade; the blade gives the work piece cutting force when following the connecting axle and rotates in order to change the position of cutting edge around the pivot under the work piece effect, and all edges all can high-efficiently utilize to this extension milling cutter life, reduction use cost, this milling cutter simple structure and easily realization.

Description

Milling cutter tool

Technical Field

The present disclosure relates generally to the field of metal cutting, and more particularly to a milling cutter tool.

Background

Milling cutters, which are rotary tools for milling machining, have one or more cutter teeth. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine. When optimizing milling effect, the blade of milling cutter is an important factor, and the blade number of participating in simultaneously when milling is more, and the amount of feed of every blade is less, and the cutting force that the blade bore compares in turning and is for a short time much to improve cutting efficiency, but according to the material of machined part, the cutting operating mode difference when the cutting, every blade can not effectively be utilized, thereby makes the life-span of cutter can not obtain the assurance, leads to efficiency reduction, needs higher use cost simultaneously. Therefore, we propose a milling cutter tool to solve the above-mentioned problems of low utilization of the cutting edge and short tool life, which leads to the reduction of cutting efficiency.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a milling tool with an insert capable of automatically rotating during cutting, all cutting edges of which can be efficiently used, the service life of which is prolonged, the use cost of which is reduced, the structure of which is simple, and which is easy to implement.

In a first aspect, the present application provides a milling cutter tool comprising: the connecting shaft is used for being coaxially connected with a main shaft of the milling machine;

the cutter head is arranged at one end of the connecting shaft, which is far away from the milling machine main shaft; the cutter head is provided with a circumferential mounting area arranged around the axis of the connecting shaft;

the circumferential mounting area is rotatably provided with a blade, and a rotating shaft of the blade is not parallel to the connecting shaft; the blade is provided with a circle of cutting edge arranged around the rotating shaft of the blade;

the blade gives the cutting force to the workpiece when rotating along with the connecting shaft, and rotates around the rotating shaft under the action of the workpiece so as to replace the position of the cutting edge.

According to the technical scheme that this application embodiment provided, circumference installing zone corresponds every the blade is equipped with mounting structure, mounting structure includes:

a first positioning surface;

the second positioning surface is arranged opposite to the first positioning surface;

the rotating shaft is provided with a first end fixed on the first positioning surface and a second end abutted against the second positioning surface;

and a rotating part for mounting the blade is formed between the first end and the second end of the rotating shaft.

According to the technical scheme provided by the embodiment of the application, the connecting shaft is coaxially connected with the milling machine spindle through the milling machine connecting part.

According to the technical scheme provided by the embodiment of the application, the first end of the rotating shaft is in threaded connection with the first positioning surface; the first end of the rotating shaft and the rotating part are in transition through a conical surface.

According to the technical scheme that this application embodiment provided, be provided with the chip groove on the connecting axle, the chip groove is located the tool bit with between the cutting edge.

According to the technical scheme provided by the embodiment of the application, an internal cooling hole is formed in the connecting shaft, one end of the internal cooling hole penetrates through the connecting part of the milling machine to form a water injection end, and the other end of the internal cooling hole penetrates through the cutter head to form a cooling end; the cooling end is aligned with the cutting edge.

According to the technical scheme that this application embodiment provided, the both sides of connecting axle are provided with clamping part relatively, clamping part is located the tool bit with between the milling machine connecting portion for cooperation instrument loading and unloading cutter.

According to the technical scheme provided by the embodiment of the application, the end part, far away from the rotating part, of the rotating shaft is provided with the embedded fastening head.

According to the technical scheme provided by the embodiment of the application, the milling machine connecting part is a threaded interface.

To sum up, this application is concrete to disclose a milling cutter's concrete structure. The technical scheme specifically designs a connecting shaft which is used for being coaxially connected with a main shaft of a milling machine; the cutter head is arranged at one end of the connecting shaft, which is far away from the main shaft of the milling machine; the cutter head is provided with a circumferential mounting area arranged around the axis of the connecting shaft; the circumferential mounting area is rotatably provided with a blade, and the rotating shaft of the blade is not parallel to the connecting shaft; the blade is provided with a circle of cutting edge arranged around the rotating shaft of the blade; the blade gives the work piece cutting force when following the connecting axle and rotates around the rotation axis under the work piece effect in order to change the position of cutting edge to this extension milling cutter tool life, reduction in service cost, this milling cutter tool simple structure just easily realizes.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic overall structure diagram of a milling cutter tool provided by the present application;

fig. 2 is a schematic view of a disassembled structure of a milling cutter tool according to the present application;

fig. 3 is a schematic structural diagram of a rotating shaft according to the present application.

Reference numbers in the figures: 1. a connecting shaft; 2. a cutter head; 3. a blade; 4. a rotating shaft; 5. a rotating part; 6. a milling machine connecting part; 7. a conical surface; 8. a chip groove; 9. an internal cooling hole; 10. a water injection section; 11. a cooling section; 12. a clamping portion.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, a schematic diagram of an embodiment of a milling cutter tool is shown, which includes a connecting shaft 1 for coaxial connection with a milling machine spindle;

the cutter head 2 is arranged at one end of the connecting shaft 1, which is far away from the main shaft of the milling machine; the cutter head 2 is provided with a circumferential mounting area arranged around the axis of the connecting shaft 1;

the blade 3 is rotatably arranged in the circumferential installation area, and a rotating shaft 4 of the blade 3 is not parallel to the connecting shaft 1; the blade 3 has a cutting edge arranged around its axis of rotation 4;

the blade 3 gives a cutting force to the workpiece when rotating along with the connecting shaft, and rotates around the rotating shaft 4 under the action of the workpiece to change the position of the cutting edge.

The circumference installing zone corresponds every blade 3 and is equipped with mounting structure, and mounting structure includes:

a first positioning surface;

the rotating shaft 4 is provided with a first end fixed on the first positioning surface and a second end abutted against the second positioning surface;

a rotating part 5 for mounting the blade is formed between the first end and the second end of the rotating shaft 4; the connecting shaft 1 is coaxially connected with a main shaft of the milling machine through a connecting part 6 of the milling machine; during cutting, the blade 3 can rotate around the axis of the rotating part 5, so that each cutting edge on the blade 3 can be efficiently utilized, the service life of the milling cutter is further prolonged, and the use cost is reduced.

As shown in fig. 2 and 3, the connecting shaft 1 is coaxially connected with a milling machine main shaft through a milling machine connecting part 6; the first end of the rotating shaft 4 is in threaded connection with the first positioning surface; the first end of the rotating shaft 4 is transited with the rotating part through a conical surface 7; the tapered surface 7 is for preventing the thread of the first end of the spindle 4 from being worn by the rotating blade 3, and the tapered surface 7 is set to, for example, a taper angle of 60 degrees; the rotating part 5 and the conical surface 7 are processed by fine grinding, so that the matching between the rotating shaft 4 and the blade 3 is smoother, the rotation of the blade 3 is facilitated, and the utilization rate of a cutting edge is further improved.

As shown in fig. 1, the chip flutes 8 are provided on the connecting shaft 1 between the cutting head 2 and the cutting edge; the groove-shaped design can improve the strength of the cutting edge of the blade 3, so that the chips generated along the direction of the cutting edge are thinner and suitable for large feed amount; the internal cooling hole 9 is arranged inside the connecting shaft 1, one end of the internal cooling hole 9 penetrates through the milling machine connecting part 6 to form a water injection end 10, the other end of the internal cooling hole penetrates through the cutter head 2 to form a cooling end 11, and the cooling end 11 is aligned with the cutting edge; the heat generated by the cutting edge of the blade 3 due to heavy friction in the cutting process is reduced by injecting cold water into the water injection end 10, so that the durability of the cutting edge is improved, and the smoothness of the cut surface is improved; and the clamping parts 12 are oppositely arranged on two sides of the connecting shaft 1, and the clamping parts 12 are positioned between the cutter head 2 and the milling machine connecting part 6 and are used for matching with tools to assemble and disassemble the cutter.

As shown in fig. 2 and 3, the end of the rotating shaft 4 away from the rotating part 5 is provided with an embedded fastening head for fastening the first end of the rotating shaft 4 to the first positioning surface in threaded connection, so that the potential safety hazard generated during cutting due to the exposure of the head of the rotating shaft 4 is greatly reduced, and the cutter is more stable and safer; milling machine connecting portion 6 is threaded connection, can be so that the tool bit is easily changed, easily optimizes the balance of cutter overhang length and stability simultaneously for reach the best combination in cutter overhang length and the rigidity, also need not to do further presetting to the cutting edge, and this kind of structure has that the antidetonation is strong, efficient, advantages such as precision height, commonality are strong, has very high special optimization nature.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A milling cutter tool, comprising:

the connecting shaft (1) is used for being coaxially connected with a main shaft of the milling machine;

the cutter head (2) is arranged at one end, far away from the milling machine spindle, of the connecting shaft (1); the tool bit (2) is provided with a circumferential mounting area arranged around the axis of the connecting shaft (1);

the circumferential mounting area is rotatably provided with a blade (3), and a rotating shaft (4) of the blade (3) is not parallel to the connecting shaft (1); the blade (3) has a circle of cutting edge arranged around the rotating shaft (4) thereof;

the blade (3) gives a cutting force to a workpiece when rotating along with the connecting shaft, and rotates around the rotating shaft (4) under the action of the workpiece so as to replace the position of a cutting edge.

2. A milling cutter tool according to claim 1, characterized in that: the circumference installing zone corresponds every blade (3) and is equipped with mounting structure, mounting structure includes:

a first positioning surface;

the rotating shaft (4) is provided with a first end fixed on the first positioning surface and a second end abutted against the second positioning surface;

and a rotating part (5) for mounting the blade is formed between the first end and the second end of the rotating shaft (4).

3. A milling cutter tool according to claim 1, characterized in that: the connecting shaft (1) is coaxially connected with the milling machine spindle through a milling machine connecting part (6).

4. A milling cutter tool according to claim 2, characterized in that: the first end of the rotating shaft (4) is in threaded connection with the first positioning surface; the first end of the rotating shaft (4) is in transition with the rotating part through a conical surface (7).

5. A milling cutter tool according to claim 1, characterized in that: be provided with chip groove (8) on connecting axle (1), chip groove (8) are located tool bit (2) with between the cutting edge.

6. A milling cutter tool according to claim 3, characterized in that: an inner cooling hole (9) is formed in the connecting shaft (1), one end of the inner cooling hole (9) penetrates through the milling machine connecting part (6) to form a water injection end (10), and the other end of the inner cooling hole penetrates through the cutter head (2) to form a cooling end (11); the cooling end (11) is aligned with the cutting edge.

7. A milling cutter tool according to claim 3, characterized in that: the two sides of the connecting shaft (1) are oppositely provided with clamping parts (12), and the clamping parts (12) are located between the tool bit (2) and the milling machine connecting part (6) and used for matching tools to assemble and disassemble the cutter.

8. A milling cutter tool according to claim 2, characterized in that: the end part of the rotating shaft (4) far away from the rotating part (5) is provided with an embedded fastening head.

9. A milling cutter tool according to claim 3, characterized in that: the milling machine connecting part (6) is a threaded interface.