Right-handed milling cutter

Abstract

The utility model discloses a right-handed milling cutter, which relates to the field of milling cutters and comprises a cutter, a right-handed milling cutter, a left-handed milling cutter and a right-handed milling cutter, a rotary cutting edge is formed at the corner of the rotary cutting surface, a plurality of spiral surfaces are arranged on the outer side surface of the rotary cutting edge and are adjacently distributed, and an obtuse-angle cutting edge is formed between the adjacent spiral surfaces; the obtuse-angle cutting edges formed on the spiral face can remove materials adhered to the inner wall of the groove again, the purpose of avoiding edge rising is achieved, the obtuse-angle cutting edges are arranged, the materials on the inner wall of the groove are removed repeatedly, the inner wall of the groove is smooth and free of edge rising, and practicability is high.

Description

Technical Field

[0001] This utility model relates to the field of milling cutter technology, specifically to a right-hand milling cutter. Background Technology

[0002] Right-hand end mills are commonly used in industries such as aerospace, automotive, electronics, and advertising. They can meet the needs of high-precision and high-efficiency machining, and the rotary cutting surface facilitates chip removal and ensures smooth cutting.

[0003] However, the outer surface of the rotary cutting surface is usually a smooth arc surface, which cannot continuously cut the groove. It is necessary to rely on the end of the rotary cutting surface at the cutter head to cut the groove. If the cutting of the groove is interrupted due to the vibration deviation of the workpiece or the tool itself during the processing, an edge will be formed on the inner wall of the groove.

[0004] Therefore, we provide a right-hand end mill to solve the above problems. Utility Model Content

[0005] To address the problems existing in the prior art, this utility model provides a right-hand rotary milling cutter, which solves the problem that the outer surface of the rotary cutting surface is usually a smooth arc surface, making it impossible to continuously cut the groove, and requiring the end of the rotary cutting surface at the cutter head to cut the groove.

[0006] To achieve the above objectives, this utility model employs a right-hand milling cutter, comprising:

[0007] A cutting tool, the end of which is provided with a rotary cutting surface;

[0008] A cutting edge is formed at the corner of the rotary cutting surface. The outer surface of the cutting edge has a helical surface. Multiple helical surfaces are provided and distributed adjacently, with obtuse-angled cutting edges formed between adjacent helical surfaces.

[0009] As a further optimization of the above scheme, the rotary cutting surface has at least one.

[0010] As a further optimization of the above solution, the tool is provided with an oil storage chamber, which stores lubricating oil.

[0011] As a further optimization of the above solution, the tool is also provided with an oiling channel inside. One end of the oiling channel is connected to the oil storage chamber, and the other end of the oiling channel passes through the end face of the tool away from the rotary cutting surface.

[0012] As a further optimization of the above scheme, the oil storage cavity is located inside the end of the tool away from the rotary cutting surface.

[0013] As a further optimization of the above solution, the tool is also provided with an oil outlet channel. One end of the oil outlet channel is connected to the inside of the oil storage cavity, and the other end of the oil outlet channel passes through the end face of the rotary cutting surface away from the tool.

[0014] As a further optimization of the above solution, the end of the cutting tool away from the rotary cutting surface is fixed to an external clamp, which is located between the oil storage cavity and the rotary cutting surface.

[0015] The right-hand end mill of this utility model has the following beneficial effects:

[0016] This utility model discloses a right-hand end mill. The obtuse angle cutting edge formed on the helical surface will remove the material adhering to the inner wall of the groove again, thus avoiding the purpose of raising the edge. Moreover, multiple obtuse angle cutting edges are provided, and the material on the inner wall of the groove is removed multiple times, making the inner wall of the groove smooth and without raising the edge, which is highly practical.

[0017] During the machining process, the pressure difference and rotational force cause the lubricating oil to be discharged from the end face of the rotary cutting surface, thus acting on the groove cutting area. As the tool continues to rotate, the lubricating oil will also adhere to the debris. The debris and lubricating oil are discharged to the outside through the surface of the rotary cutting surface, which at the same time lubricates the inner wall of the groove and the surface of the rotary cutting surface. This results in an oil film on the inner wall of the groove, eliminating the need for subsequent oil spraying, making it less prone to rusting, and ensuring high machining quality.

[0018] Referring to the following description and accompanying drawings, specific embodiments of the present invention are disclosed in detail, indicating how the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope as a result, and within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications and equivalents. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the single-edged right-handed end mill structure of this utility model;

[0020] Figure 2 This is a bottom view of the single-edged right-handed milling cutter of this utility model;

[0021] Figure 3 This is a schematic diagram of the double-edged right-handed end mill structure of this utility model;

[0022] Figure 4 This is a bottom view of the double-edged right-handed milling cutter of this utility model;

[0023] Figure 5 This is a schematic diagram of the three-flute right-hand end mill structure of this utility model;

[0024] Figure 6This is a bottom view of the three-flute right-hand milling cutter of this utility model;

[0025] Figure 7 This is a schematic diagram of the right-hand milling cutter structure in Embodiment 2 of this utility model;

[0026] Figure 8 This is a schematic diagram of the right-hand milling cutter in use during Embodiment 2 of this utility model.

[0027] In the diagram: 1. Cutting tool; 2. Rotary cutting surface; 101. Oil filling channel; 102. Oil storage chamber; 103. Oil outlet channel; 201. Rotary cutting edge; 202. Helical surface; 203. Obtuse angle cutting edge; 3. Fixture. Detailed Implementation

[0028] In Example 1, please refer to the appendix to the instruction manual. Figure 1-8 This utility model provides a technical solution: a right-hand end mill, comprising:

[0029] The cutting tool 1 has a rotary cutting surface 2 at its end. A rotary cutting edge 201 is formed at the corner of the rotary cutting surface 2. The outer surface of the rotary cutting edge 201 has a helical surface 202. Multiple helical surfaces 202 are arranged adjacently, forming obtuse-angled cutting edges 203 between adjacent helical surfaces 202. When machining materials, the cutting tool 1 is driven to rotate by a drive mechanism such as a motor, bringing the end of the cutting tool 1 into contact with the material surface. First, the rotary cutting edge 201 on the rotary cutting surface 2 removes material, thereby machining grooves, etc. The outer surface of the rotary cutting edge 201 has… When the rotary cutting blade 201 rotates in the groove, the spiral surface 202 contacts the inner wall of the groove. If the cutting of the groove is interrupted due to vibration deviation of the workpiece or the tool itself, an edge will be formed on the inner wall of the groove. At this time, the obtuse angle cutting edge 203 formed on the spiral surface 202 will remove the material adhering to the inner wall of the groove again, thus avoiding the edge formation. Moreover, there are multiple obtuse angle cutting edges 203, which repeatedly remove the material from the inner wall of the groove, making the inner wall of the groove smooth and without edge formation, which is highly practical.

[0030] In practical applications, the rotary cutting surface 2 can be set to one, two, or three, respectively corresponding to... Figure 1 The single-edged right-hand end mill shown in the image; Figure 3 The double-edged right-hand end mill shown in the image; Figure 5 The three-flute right-hand end mill shown is illustrated; correspondingly, more rotary cutting surfaces 2 can be set, depending on actual needs.

[0031] In Example 2, as Figure 7 and Figure 8As shown, an oil reservoir 102 is provided inside the cutting tool 1, and the oil reservoir 102 stores lubricating oil. An oil filling channel 101 is also provided inside the cutting tool 1. One end of the oil filling channel 101 communicates with the oil reservoir 102, and the other end of the oil filling channel 101 penetrates the end face of the cutting tool 1 away from the rotary cutting surface 2. The oil reservoir 102 is located inside the end of the cutting tool 1 away from the rotary cutting surface 2. An oil outlet channel 103 is also provided inside the cutting tool 1. One end of the oil outlet channel 103 communicates with the interior of the oil reservoir 102, and the other end of the oil outlet channel 103 penetrates the end face of the rotary cutting surface 2 away from the cutting tool 1. Lubricating oil can be injected into the oil reservoir 102 through the oil filling channel 101, and the lubricating oil can flow towards the end face of the rotary cutting surface 2 through the oil outlet channel 103. Because the diameters of the oil filling channel 101 and the oil outlet channel 103 are small, the lubricating oil will not flow out automatically due to air pressure when there is no machining. When the tool 1 rotates during machining, the pressure difference and rotational force drive the lubricating oil to be discharged from the end face of the rotary cutting surface 2, thereby acting on the groove cutting area. When the tool 1 continues to rotate, the lubricating oil will also stick to the debris. The debris and lubricating oil are discharged to the outside through the surface of the rotary cutting surface 2, which at the same time lubricates the inner wall of the groove and the surface of the rotary cutting surface 2, so that the inner wall of the groove formed by machining has an oil film, which does not require subsequent oil spraying treatment, is not easy to rust, and has high machining quality.

[0032] It should be noted that the end of the tool 1 away from the rotary cutting surface 2 is fixed to the external fixture 3. The fixture 3 is located between the oil storage cavity 102 and the rotary cutting surface 2. The oil storage cavity 102 is not located at the position of the fixture 3. Therefore, the overall strength of the tool 1 and the rotary cutting surface 2 is sufficient to meet the strength requirements for machining the groove, making it highly practical.

Claims

1. A right-hand end mill, characterized in that, include: A cutting tool (1), the end of which is provided with a rotary cutting surface (2); A rotary cutting edge (201) is formed at the corner of the rotary cutting surface (2). The outer surface of the rotary cutting edge (201) has a helical surface (202). Multiple helical surfaces (202) are provided, and multiple helical surfaces (202) are distributed adjacently. An obtuse angle cutting edge (203) is formed between adjacent helical surfaces (202).

2. A right-hand end mill according to claim 1, characterized in that: The rotary cutting surface (2) has at least one.

3. A right-hand end mill according to claim 1, characterized in that: The cutting tool (1) has an oil storage chamber (102) inside, which stores lubricating oil.

4. A right-hand end mill according to claim 3, characterized in that: The tool (1) is also provided with an oiling channel (101) inside. One end of the oiling channel (101) is connected to the oil storage chamber (102), and the other end of the oiling channel (101) passes through the end face of the tool (1) away from the rotary cutting surface (2).

5. A right-hand end mill according to claim 3, characterized in that: The oil storage cavity (102) is located inside the end of the cutter (1) away from the rotary cutting surface (2).

6. A right-hand end mill according to claim 3, characterized in that: The tool (1) is also provided with an oil outlet channel (103). One end of the oil outlet channel (103) is connected to the inside of the oil storage cavity (102), and the other end of the oil outlet channel (103) passes through the end face of the rotary cutting surface (2) away from the tool (1).

7. A right-hand end mill according to claim 3, characterized in that: The end of the cutting tool (1) away from the rotary cutting surface (2) is fixed to the external clamp (3), and the clamp (3) is located between the oil storage cavity (102) and the rotary cutting surface (2).

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