CN219541816U

CN219541816U - Lightweight integrated lengthening high-speed face milling cutter

Info

Publication number: CN219541816U
Application number: CN202223550620.1U
Authority: CN
Inventors: 熊杨; 汤晟; 何晓平
Original assignee: Chengdu Chaohepu Aviation Technology Co ltd
Current assignee: Chengdu Chaohepu Aviation Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-08-18
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a lightweight integrated lengthening high-speed face milling cutter which can ensure the rigidity of a cutter, reduce the weight of the cutter and is suitable for deep cavity parts and high-rotation-speed machining, wherein the milling cutter comprises a cutter handle, a cutter body and a cutter head which are sequentially connected, the outer wall of the cutter body is filled with a high-strength carbon fiber composite material, and the diameter of the carbon fiber composite material is 2 times that of the cutter body; the cutter body is provided with a layer of high-strength carbon fiber composite material on the outer wall, so that the weight of the cutter is reduced while the rigidity is ensured, the cutter can be applied to higher rotating speed, and the dynamic balance can reach higher dynamic balance than G2.5S25000, so that the processing is more stable and more efficient.

Description

Lightweight integrated lengthening high-speed face milling cutter

Technical Field

The utility model relates to the field of machining tools, in particular to a lightweight integrated lengthening high-speed face milling cutter.

Background

In the existing part types, the parts with small batch, deep cavity, high rotation speed processing, long processing time, high surface quality requirement, high dimensional accuracy requirement and easy vibration of thin-wall parts exist; the parts are long in use, in order to enhance the rigidity of the cutter, the cutter is often made as thick as possible, and in the processing process, the cutter body is too heavy, a high-speed machine tool cannot be used or cannot use higher rotating speed, the abrasion condition of the cutter is required to be continuously checked, and the parts are out of tolerance and poor in surface roughness are caused.

Disclosure of Invention

The utility model aims to provide a lightweight integrated lengthening high-speed face milling cutter, which can ensure the rigidity of a cutter, reduce the weight of the cutter and is suitable for deep cavity parts and high-rotation-speed machining.

Embodiments of the present utility model are implemented as follows:

the utility model provides a lightweight integral type adds long high-speed face milling cutter, includes handle of a knife, blade body and tool bit that connects gradually, and the outer wall of this blade body is filled with high strength's carbon fiber composite, and carbon fiber composite's diameter is 2 times of blade body diameter.

In a preferred embodiment of the present utility model, a blade inner cooling hole is vertically formed in the middle of the blade body, and the blade inner cooling hole and the blade body share a central axis.

In a preferred embodiment of the present utility model, the tool bit includes a tool bit body, wherein the tool bit body is formed by combining an inverted circular truncated cone and a cylinder, the bottom of the inverted circular truncated cone is connected with the bottom of the cylinder and has the same diameter, and the top of the inverted circular truncated cone is connected with the tool body and has the same diameter.

In a preferred embodiment of the present utility model, the center of the top of the cylinder is provided with an arc-shaped groove with a center crossing the central axis of the cylinder.

In a preferred embodiment of the present utility model, the ring side of the cylinder is provided with bottom edge trimming edges distributed in a circular array, the bottom edge trimming edges are in a 61 ° arc angle shape, and the distance between the top of the arc angle and the center of the cylinder is 19mm.

In a preferred embodiment of the present utility model, the shortest side of the triangle of the bottom edge wiper is further provided with a side edge, and the side edge is parallel to the central axis of the cylinder.

In a preferred embodiment of the present utility model, the cutter head body further includes an inner cooling hole of the blade, and the inner cooling hole of the blade forms an included angle of 35 ° with the inner cooling hole of the cutter body.

In the preferred embodiment of the utility model, the bottom of the knife handle is provided with an HSKA63 interface, and the central axis of the knife handle is provided with a central inner cooling hole communicated with the inner cooling hole of the knife body.

In a preferred embodiment of the present utility model, a dynamic balance adjusting screw is further disposed on the handle.

The embodiment of the utility model has the beneficial effects that: according to the milling cutter, the outer wall of the cutter body is provided with the layer of high-strength carbon fiber composite material, so that the rigidity is ensured, the weight of the cutter is reduced, the milling cutter can be suitable for higher rotating speeds, and the dynamic balance can reach higher dynamic balance than G2.5S25000, so that the processing is more stable and more efficient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a milling cutter filled with a carbon fiber composite material according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a milling cutter structure of an unfilled carbon fiber composite material according to an embodiment of the present utility model;

FIG. 3 is a schematic top view of a tool tip according to an embodiment of the present utility model;

icon: the tool comprises a tool handle 100, a tool body 200, a tool bit 300, an inverted circular truncated cone 310, a cylinder 320, an arc-shaped groove 321, a bottom edge trimming edge 322, a side edge 323, a blade inner cooling hole 324, a carbon fiber composite material 210, a tool body inner cooling hole 220, an HSKA63 interface 110, a center inner cooling hole 120 and a dynamic balance adjusting screw 130.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

First embodiment

Referring to fig. 1 to 3, a lightweight integrated extended high-speed face milling cutter includes a shank 100, a cutter body 200 and a cutter head 300 sequentially connected from bottom to top.

Specifically, the tool bit 300 includes a tool bit body, which is formed by combining an inverted circular truncated cone 310 and a cylinder 320, wherein the bottom of the inverted circular truncated cone 310 is connected to the bottom of the cylinder 320 and has the same diameter, and the top of the inverted circular truncated cone 310 is connected to the tool body 200 and has the same diameter. In the present embodiment, the surface of the inverted circular truncated cone 310 having a large diameter is a lower bottom, and the surface having a small diameter is an upper bottom. The cylinder 320 has a diameter of 49mm and an upper bottom diameter of 24mm.

The center of the top of the cylinder 320 is provided with an arc-shaped groove 321 with a center passing through the central axis of the cylinder 320 to form an interpolation blade, so that the cutter has a larger cutter setting angle, the cutter setting is reduced, the processing time is shortened, the cutter becomes a high-speed PCD face milling end mill with excellent comprehensive performance, the maximum diameter of the top of the arc-shaped groove 321 is 35mm, and the depth is 5mm.

The circular side of the cylinder 320 is provided with bottom edge trimming edges 322 distributed in a circular array, the bottom edge trimming edges 322 are in a 61-degree arc angle shape, and the distance between the top of the arc angle and the center of the cylinder 320 is 19mm. The angle is designed according to the material characteristics and the processing working conditions of the aluminum alloy material, so that the multiple edges of the cutter can remove chips better, the cutting force is smaller, and the cutter abrasion is reduced.

The triangular shortest side of the bottom edge wiper 322 is also provided with a side edge 323, the side edge 323 being parallel to the central axis of the cylinder 320. The cutting edge of the cutter head 300 is composed of PCD inserts, so that the dynamic balance can reach more than G2.5S25000. The tool bit body also includes a blade inner cooling hole 324, the blade inner cooling hole 324 and the blade inner cooling hole forming an included angle of 35 degrees.

The interpolation blade in this embodiment is a small circular arc, and the cutting force is smaller in the same depth of cut during the machining process. The side edge surface is parallel to the central axis, so that the chip removal direction can be better controlled, the dynamic balance can reach more than G2.5S25000, and high-speed processing can be realized; the interpolation sword lets the cutter possess bigger angle of cutting off, and this cutter is on keeping original function basis, increases half 3mm sleeking sword, improves surface quality, reduces process time, reduce cost.

The outer wall of the blade body 200 is filled with a high-strength carbon fiber composite material 210, and the diameter of the carbon fiber composite material 210 is 2 times the diameter of the blade body 200. The middle part of the cutter body 200 is provided with a vertically penetrated cutter body inner cooling hole 220, and the cutter body inner cooling hole 220 and the cutter body 200 share the central axis. The blade body 200 in this embodiment has a diameter of 24mm, and the carbon fiber composite material 210 is a bismaleimide resin based carbon fiber composite material. The cutter body is partially replaced by the double-horse resin-based carbon fiber composite material 210, so that the cutter weight is reduced while the rigidity is ensured, higher rotating speed can be applied, and the dynamic balance can reach the dynamic balance higher than G2.5S25000, so that the processing is more stable and more efficient. The cutter at the position of the cutter body has less grinding and material removal, and the whole rigidity of the cutter is strong.

The bottom of the tool handle 100 is provided with an HSKA63 hydraulic chuck interface 110, the central axis of the tool handle 100 is provided with a central inner cooling hole 120 communicated with the tool body inner cooling hole 220, the tool is more durable, and the tool handle 100 is also provided with a dynamic balance adjusting screw 130.

In summary, in the milling cutter according to the present utility model, the outer wall of the cutter body 200 is provided with the layer of high-strength carbon fiber composite material 210, so that the weight of the cutter is reduced while the rigidity is ensured, the milling cutter can be applied to a higher rotation speed, and the dynamic balance can reach a high dynamic balance of more than G2.5S25000, so that the processing is more stable and efficient.

This description describes examples of embodiments of the utility model and is not intended to illustrate and describe all possible forms of the utility model. It should be understood that the embodiments in the specification may be embodied in many alternate forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Specific structural and functional details disclosed are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present utility model. Those skilled in the art will appreciate that a plurality of features illustrated and described with reference to any one drawing may be combined with features illustrated in one or more other drawings to form embodiments not explicitly illustrated or described. The illustrated combination of features provides representative embodiments for typical applications. However, various combinations and modifications of the features consistent with the teachings of the present utility model may be used in particular applications or implementations as desired.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a lightweight integral type adds long high-speed face milling cutter, includes handle of a knife, blade body and tool bit that connects gradually, its characterized in that, the outer wall of blade body is filled with high strength's carbon fiber composite, carbon fiber composite's diameter is 2 times of blade body diameter.

2. The lightweight integrated extended high-speed face milling cutter according to claim 1, wherein the middle part of the cutter body is provided with a vertically penetrating cutter body inner cooling hole, and the cutter body inner cooling hole and the cutter body share a central axis.

3. The lightweight integrated lengthening high-speed face milling cutter according to claim 2, wherein the cutter head comprises a cutter head body, the cutter head body is formed by combining an inverted circular truncated cone body and a cylinder, the lower bottom of the inverted circular truncated cone body is connected with the bottom of the cylinder and has the same diameter, and the upper bottom of the inverted circular truncated cone body is connected with the cutter body and has the same diameter.

4. The lightweight integrated extended high-speed face milling cutter according to claim 3, wherein the top center of the cylinder is provided with an arc-shaped groove with a center passing through the central axis of the cylinder.

5. The lightweight integrated lengthening high-speed face milling cutter according to claim 3, wherein circular array distribution bottom edge trimming edges are arranged on the annular side of the cylinder, the bottom edge trimming edges are in a 61-degree arc angle shape, and the distance between the top of the arc angle and the center of the cylinder is 19mm.

6. The lightweight integrated extended high speed face milling cutter of claim 5, wherein the triangular shortest side of the bottom edge wiper is further provided with a side edge, the side edge being parallel to the cylinder central axis.

7. The lightweight integrated extended high speed face milling cutter of claim 3, wherein the cutter head body further comprises an insert inner cooling hole, the insert inner cooling hole forming an included angle of 35 ° with the insert inner cooling hole.

8. The lightweight integrated lengthening high-speed face milling cutter according to claim 2, wherein the bottom of the cutter handle is provided with an HSKA63 interface, and the center axis of the cutter handle is provided with a center inner cooling hole communicated with the cutter body inner cooling hole.

9. The lightweight integrated extended high speed face milling cutter of claim 1, wherein the shank is further provided with a dynamic balance adjusting screw.