Hard alloy set milling cutter

Abstract

The utility model relates to the field of non-metal material cutting tools, and discloses a hard alloy set milling cutter which comprises a cutter body, cutter hub surfaces are arranged on the front side and the rear side of the cutter body, a center hole is formed in the middle end of the front side of the cutter body, a cutting assembly is arranged on the periphery of the cutter body, and a chip removal assembly is arranged on the outer wall of the cutter body. The cutting assembly comprises a plurality of alloy position grooves formed in the periphery of the cutter body, cutting edges are arranged in the alloy position grooves and made of hard alloy materials, and the chip removal assembly comprises a plurality of chip removal grooves located in the outer wall of the cutter body. According to the utility model, by adopting the hard alloy forming cutter, not only is the problem that various patterns of modern furniture are difficult to process solved, but also the selection of the patterns is increased, the further development of the furniture manufacturing industry is promoted, and meanwhile, the hard sleeved milling cutter is simple to process, the types of the processed patterns are various, the service life of the cutter is long, and the application field is wide.

Description

Technical Field

[0001] The utility model relates to the field of non-metal material cutting tools, in particular to a carbide insert milling cutter set. Background Art

[0002] Insert milling cutters are widely used in the fields of furniture, architecture, decoration, sculpture, models, etc. At the same time, as one of the basic industries of China's manufacturing industry, the tool industry has received strong support from relevant national industrial policies, and the industry market scale has been continuously expanding.

[0003] With the rapid development of China's woodworking furniture industry, new requirements have been put forward for woodworking tools. Due to the use of new materials, new technologies, new processes, etc. in the woodworking furniture industry, ordinary high-speed steel insert milling cutters far fail to meet the requirements of the woodworking furniture industry. Therefore, the demand for carbide tools is increasing and the use is becoming more and more extensive, and higher requirements are put forward for the design, tool body material, cutting material, weight and accuracy of the tools. Compared with traditional woodworking tools, modern woodworking milling cutters are special woodworking cutting tools based on special woodworking machine tools, especially in the application fields of numerical control woodworking machine tools. It has the characteristics of high machining accuracy, fast cutting speed and high machining efficiency. After being processed by it, the cutting surface of the wood is smooth and flat, and basically no secondary processing is required. It can process complex shapes or components such as planes, end faces, curved surfaces, lace, interfaces, tenon joints, etc. It is relatively difficult to process various flower patterns on modern furniture with a milling cutter. In view of this technical problem, the present application proposes a carbide insert milling cutter set. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose a carbide insert milling cutter set. By adopting carbide formed tools, it not only solves the problem of difficult processing of various flower patterns on modern furniture, but also increases the selection of flower patterns, promotes the further development of the furniture manufacturing industry. At the same time, the carbide insert milling cutter set is simple to process, has a wide variety of processed flower patterns, a long tool service life, and a wide range of application fields.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a carbide insert milling cutter set, including a tool body, both the front and rear sides of the tool body are provided with tool hub surfaces, a central hole is opened in the middle of the front side of the tool body, a cutting component is arranged on the outer periphery of the tool body, and a chip removal component is opened on the outer wall of the tool body.

[0006] Further, the cutting component includes a plurality of alloy bit grooves opened on the outer periphery of the tool body, cutting edges are arranged inside the plurality of alloy bit grooves, and the cutting edges are made of carbide material.

[0007] Further, the chip removal component includes a plurality of chip removal grooves located on the outer wall of the tool body, and larger arcs are arranged at the bottom sides of the plurality of chip removal grooves.

[0008] Further, the diameter of the central hole is 16 - 50 mm.

[0009] Further, the inclination angle of the cutting edge towards the cutting direction has a rake angle of 12° - 25° for the milling cutter.

[0010] Further, there is a clearance angle of 15° - 20° between the back of the cutting edge and the tool axis for the milling cutter.

[0011] Further, the cutting edge has a centripetal angle of 1° - 3° relative to the tool axis, and a side angle of 5° - 15° between the cutting edge and the normal of the workpiece surface.

[0012] Further, the inclination angle of the back of the cutting edge towards the side angle direction has a side clearance angle of 3° - 10°.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, by using cemented carbide material at the cutting edge of the cemented carbide insert milling cutter, the service life is improved, and the machining quality is also greatly improved. The cemented carbide insert milling cutter is simple to machine, has a wide variety of flower patterns, a long tool life, and a wide range of application fields.

[0015] 2. In the utility model, the cemented carbide insert milling cutter is welded together by high-frequency or flame brazing of the tool body and multiple cemented carbide cutting edges. The shape of the cutting edge can be designed according to different requirements, and the tool body is designed according to the cutting edge, which not only solves the problem of difficult machining of various flower patterns in modern furniture, but also increases the choice of flower patterns and promotes the further development of the furniture manufacturing industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front view of a cemented carbide insert milling cutter proposed by the utility model;

[0017] Figure 2 is the top view of a cemented carbide insert milling cutter proposed by the utility model.

[0018] Legend:

[0019] 1. Central hole; 2. Cutter hub surface; 3. Tool body; 4. Chip flute; 5. Cutting edge. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Referring to Figure 1-2 , an embodiment provided by the present utility model: A carbide insert milling cutter is composed of a center hole 1, a tool hub surface 2, a tool body 3, and a cutting edge 5. The tool hub surface 2 is arranged on both end faces of the tool body 3. One end of the tool hub surface 2 is convenient for positioning with the end face of the spindle, and the other end face of the tool hub surface 2 can be matched with a gasket or a clamping nut for installing the tool body 3. At the same time, the boss structure can improve the strength of the tool body 3 to a greater extent. The cutting edge 5 is made of carbide and is welded to the tool body 3 by high-frequency or flame brazing, so that the shape of the cutting edge 5 can be designed according to different requirements. The tool body 3 is designed according to the cutting edge 5. The diameter of the center hole 1 is 16 - 50 mm, which can better cooperate with the spindle of the machine tool equipment. At the same time, a plurality of alloy bit grooves and chip flutes 4 are respectively arranged on the tool body 3 for welding alloy blades and discharging cutting sawdust, making the carbide insert milling cutter more convenient to use. At the same time, a larger arc is milled at the bottom of the chip flute 4 to ensure smooth chip discharge and facilitate the entry of the grinding wheel when grinding the rake face, which is conducive to improving the grinding efficiency of the grinding wheel on the rake face and the chip discharge efficiency. The rake angle a of the carbide insert milling cutter, the size of the rake angle directly affects the cutting force, cutting temperature and cutting efficiency of the tool, affects the tool life and cutting productivity, so it can be adjusted according to different specifications of the tool, generally between 12° - 25°. The clearance angle b of the carbide insert milling cutter is 15° - 20°, which can reduce the friction between the wood and the cutting edge and can better process the wood. The carbide insert milling cutter is provided with a centering angle c, the angle is 1° - 3°. A carbide insert milling cutter is provided with a lateral angle d, the angle is 5° - 15°, and the cutting resistance is reduced. A carbide insert milling cutter is provided with a side clearance angle e, the angle is 3° - 10°, which can reduce the cutting force, improve the cutting quality, improve the cutting stability, reduce the cutting sound and improve the tool life when using the carbide insert milling cutter for processing. It not only solves the problem of difficult processing of various patterns in modern furniture, but also increases the choice of patterns, promoting the further development of the furniture manufacturing industry. The hard insert milling cutter is simple to process, has a variety of processed pattern types, a long tool life, and a wide range of application fields.

[0022] Working principle: One end of the cutter hub surface 2 provided on the front and rear sides of the cutter body 3 is convenient for positioning with the spindle end face. The other end face of the cutter hub surface 2 can cooperate with a gasket or a compression nut for installing the cutter body 3. The diameter of the center hole 1 is 16 - 50 mm, which can better cooperate with the spindle of the machine tool equipment. At the same time, a plurality of alloy bit grooves and chip flutes 4 are respectively provided on the cutter body 3 for welding alloy cutting blades and discharging cutting sawdust, making the use of the cemented carbide insert milling cutter more convenient. At the same time, a larger arc is milled at the bottom of the chip flute 4 to ensure smooth chip discharge and facilitate the entry of the grinding wheel when grinding the rake face, which is convenient for improving the grinding efficiency of the grinding wheel on the rake face and the working efficiency of chip discharge. The cutting edge 5 is made of cemented carbide and is welded to the cutter body 3 by high-frequency or flame brazing, so that the shape of the cutting edge 5 can be designed according to different requirements. The cutter body 3 is designed according to the cutting edge 5, and different flower types can be processed.

[0023] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cemented carbide set milling cutter, comprising a cutter body (3), characterized in that: The tool body (3) is provided with a hub surface (2) on both the front and rear sides, the tool body (3) is provided with a center hole (1) at the middle end of the front side, the tool body (3) is provided with a cutting assembly on the periphery of the tool body (3), and the tool body (3) is provided with a chip removal assembly on the outer wall; the cutting assembly comprises a plurality of alloy slots provided on the periphery of the tool body (3), the plurality of alloy slots are provided with cutting edges (5) inside, and the cutting edges (5) are made of cemented carbide material; the chip removal assembly comprises a plurality of chip removal grooves (4) located on the outer wall of the tool body (3), the bottom sides of the plurality of chip removal grooves (4) are provided with a large arc, the cutting edges (5) have a centripetal angle of 1°-3° relative to the tool axis, and the cutting edges (5) have a lateral angle of 5°-15° with the normal line of the workpiece surface; the inclination angle of the back side of the cutting edge (5) towards the lateral angle direction has a side clearance angle of 3°-10°.

2. A cemented carbide set milling cutter according to claim 1, characterized in that: The diameter of the central hole (1) is 16-50 mm.

3. The cemented carbide set milling cutter according to claim 1, characterized in that: The inclination angle of the cutting edge (5) toward the cutting direction has a milling cutter rake angle of 12°-25°.

4. The cemented carbide set milling cutter according to claim 1, characterized in that: The back side of the cutting edge (5) faces the tool axis and has a milling cutter clearance angle of 15°-20°.

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