Strong type indexable turning blade with sleeking edge

Abstract

The strong type indexable turning blade is provided with a blade body, the blade body is provided with an upper surface, a lower surface and a side face, a cutting edge is formed between the upper surface and the side face, the cutting edge comprises a main cutting edge, an auxiliary cutting edge and the sleeking edge, and the sleeking edge is arranged in an inclined straight line mode and connected between the main cutting edge and the auxiliary cutting edge; an included angle alpha is formed between the sleeking edge and the main cutting edge, an included angle beta is formed between the sleeking edge and the auxiliary cutting edge, and alpha is smaller than beta. According to the turning blade, the sleeking edge is additionally arranged between the main cutting edge and the auxiliary cutting edge, the tool nose of the turning blade is stronger than that of a standard V-shaped blade, a machined product has a better machined surface, the service life of the turning blade is effectively prolonged, and the cutting efficiency can be improved; the chip breaking boss is arranged on the sleeking edge tool face, the surface of the chip breaking boss is designed in an arc shape, good chip treatment can be achieved, the main cutting edge tool face, the auxiliary cutting edge tool face and the sleeking edge tool face are designed in an inclined mode, cutting resistance can be reduced, and cutting is smoother.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe tool bit technical field more specifically relates to a kind of strong type indexable lathe tool bit with light edge repair. BACKGROUND

[0002] In the semi-finishing process of conventional high-temperature alloy, stainless steel, aluminum alloy and low-carbon steel with good plasticity, numerical control turning tool bits are usually used, which are mainly used for semi-finishing on lathes and automatic machine tools.

[0003] For example, Chinese application number: CN202222621262.2 discloses a kind of indexable double-sided turning tool bits applied to cast iron processing, including tool bit base body, tool bit base body is equipped with mutually parallel upper and lower two rake faces, the connecting place of two rake faces is the relief face, platform is equipped on the rake face, and the platform edge and the rake face edge form the chip flute between them, the platform center is equipped with the assembly counterbore that penetrates tool bit base body, the rake face is polygonal structure, the rake face is equipped with multiple vertex angles, the vertex angle includes tool tip circular arc and cutting edge connected on the both sides of tool tip circular arc;In the above-mentioned technology, the tool tip circular arc is relatively thin as a whole, and the tool type is roughly V-shaped, so the strength is relatively weak, which affects the service life of the turning tool bit.

[0004] Therefore, the applicant improves the prior art and proposes the following technology. INVENTION CONTENTS

[0005] Therefore, the utility model provides a kind of strong type indexable lathe tool bit with light edge repair.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of strong type indexable lathe tool bit with light edge repair, with tool bit body, tool bit body is arranged in diamond, with upper surface, lower surface and the side surface connected between upper surface and lower surface, cutting edge is formed between upper surface and side surface, the cutting edge includes: main cutting edge, secondary cutting edge and light edge repair, light edge repair is arranged as inclined line and is connected between main cutting edge and secondary cutting edge;Angle α is formed between light edge repair and main cutting edge, angle β is formed between light edge repair and secondary cutting edge, α<β.

[0007] As a preferred scheme of the utility model, the main cutting edge is provided with a main cutting edge rake face towards the upper surface;

[0008] The secondary cutting edge is provided with a secondary cutting edge rake face towards the upper surface;

[0009] The light edge repair is provided with a light edge repair rake face towards the upper surface;

[0010] And the main cutting edge rake face, secondary cutting edge rake face and light edge repair rake face are arranged as inclined from outside to inside height gradually low.

[0011] As a preferred one of the utility model, the broken chip boss is arranged on the tool face of the light trimming edge.

[0012] As a preferred one of the utility model, the surface of the broken chip boss is arranged in an arc shape.

[0013] As a preferred one of the utility model, the broken chip boss includes a first broken chip boss and a second broken chip boss, and the projection areas of the first broken chip boss and the second broken chip boss on the tool face of the light trimming edge are different.

[0014] The first broken chip boss and the second broken chip boss are connected, and the connecting position is higher than the tool face of the light trimming edge.

[0015] As a preferred one of the utility model, a first arc edge is arranged between the main cutting edge and the light trimming edge, and a second arc edge is arranged between the auxiliary cutting edge and the light trimming edge.

[0016] As a preferred one of the utility model, the length of the first arc edge is greater than the length of the second arc edge.

[0017] As a preferred one of the utility model, the side surface is arranged in an inclination, and is inclined inwardly from the upper surface to the lower surface.

[0018] A first side surface is formed corresponding to the light trimming edge, and the first side surface is arranged in a wide upper surface and a narrow lower surface.

[0019] As a preferred one of the utility model, a hole and a boss are arranged at the center of the blade body, and the tool face of the main cutting edge, the tool face of the auxiliary cutting edge and the tool face of the light trimming edge are all lower than the boss.

[0020] Compared with the prior art, the utility model has the following beneficial technical effects:

[0021] 1. The light trimming edge is additionally arranged between the main cutting edge and the auxiliary cutting edge, the tip of the light trimming edge is stronger than the tip of the standard V-shaped blade, the service life of the turning blade can be effectively improved, and the cutting efficiency can be improved.

[0022] 2. The broken chip boss is arranged on the tool face of the light trimming edge, the surface of the broken chip boss is designed in an arc shape, and good chip processing can be realized.

[0023] 3. The main cutting edge, the auxiliary cutting edge and the light trimming edge are respectively provided with the tool face of the main cutting edge, the tool face of the auxiliary cutting edge and the tool face of the light trimming edge, and the tool face of the main cutting edge, the tool face of the auxiliary cutting edge and the tool face of the light trimming edge are designed in an inclination, so that the cutting resistance can be reduced, and the cutting is more smooth.

[0024] 4. The turning blade with the light trimming edge can obtain an excellent finishing surface. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of a robust indexable turning insert with a finishing edge.

[0027] Figure 2 This is a schematic diagram of another angle of a robust indexable turning insert with a finishing edge;

[0028] Figure 3 This is a top view of a robust indexable turning insert with a finishing edge.

[0029] Figure 4 This is a partial schematic diagram of a robust indexable turning insert with a finishing edge;

[0030] Figure 5 This is a frontal view of a robust indexable turning insert with a finishing edge.

[0031] Explanation of reference numerals in the attached figures

[0032] The blade body 100 includes: an upper surface 101; a lower surface 102; a side surface 103; a first side surface 1031; a cutting hole 104; a boss 105; a cutting edge 110; a main cutting edge 111; a main cutting edge face 1111; a secondary cutting edge 112; a secondary cutting edge face 1121; a finishing edge 113; a finishing edge face 1131; a chip breaker boss 1132; a first chip breaker boss 11321; a second chip breaker boss 11322; a first circular arc edge 114; and a second circular arc edge 115. Detailed Implementation

[0033] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0034] A robust indexable turning insert with a finishing edge; please refer to [link / reference]. Figures 1-5 As shown, the blade body 100 is rhomboid in shape and has an upper surface 101, a lower surface 102 and a side surface 103 connecting the upper surface 101 and the lower surface 102. The blade body 100 is made of a high-hardness, corrosion-resistant material.

[0035] A cutting edge 110 is formed between the upper surface 101 and the side surface 103. The cutting edge 110 includes a main cutting edge 111, a secondary cutting edge 112, and a finishing edge 113. The finishing edge 113 is arranged in an inclined straight line and connected between the main cutting edge 111 and the secondary cutting edge 112. An angle α is formed between the finishing edge 113 and the main cutting edge 111, and an angle β is formed between the finishing edge 113 and the secondary cutting edge 112, where α < β.

[0036] In this technology, a finishing edge 113 is provided between the main cutting edge 111 and the secondary cutting edge 112 in the turning insert. The length of the finishing edge 113 is less than that of the main cutting edge 111 and the secondary cutting edge 112. Furthermore, from a side view, the finishing edge 113 is horizontally positioned. From a top view as shown in Figure 4, the finishing edge 113 is inclined from the main cutting edge 111 towards the secondary cutting edge 112, making the length of the main cutting edge 111 greater than that of the secondary cutting edge 112. Traditional turning inserts have a circular arc edge between the main cutting edge and the secondary cutting edge. The length of the circular arc edge is relatively short, resulting in a relatively sharp and thin tool tip angle, roughly V-shaped.

[0037] And for example Figure 4 After the polishing blade 113 is set in this utility model, the angle of the blade tip becomes more blunt, and the blade tip becomes stronger. The polishing blade 113 can increase the impact resistance of the blade tip and improve the surface quality of the workpiece, thereby increasing efficiency and blade life.

[0038] like Figure 3 As shown, the main cutting edge 111 has a main cutting edge face 1111 on its upper surface, the secondary cutting edge 112 has a secondary cutting edge face 1121 on its upper surface, and the finishing edge 113 has a finishing edge face 1131 on its upper surface; and the main cutting edge face 1111, the secondary cutting edge face 1121, and the finishing edge face 1131 are inclined from the outside to the inside, with their height gradually decreasing.

[0039] The main cutting edge face 1111, the secondary cutting edge face 1121, and the finishing edge face 1131 effectively control the shape and flow direction of chips during milling, reduce cutting resistance, and effectively remove chips.

[0040] Furthermore, the finishing blade 1131 is provided with a chip-breaking protrusion 1132, the surface of which is arc-shaped, which can achieve good chip treatment.

[0041] Furthermore, the chip-breaking boss 1132 includes: a first chip-breaking boss 11321 and a second chip-breaking boss 11322, the first chip-breaking boss 11321 and the second chip-breaking boss 11322 have different projected areas on the finishing blade surface 1131; the first chip-breaking boss 11321 and the second chip-breaking boss 11322 are connected, and the connection point is slightly higher than the finishing blade surface 1131.

[0042] As Figure 2 And Figure 4 As shown in the first arc blade 114 is arranged between the main cutting edge 111 and the light trimming blade 113; the second arc blade 115 is arranged between the secondary cutting edge blade surface 1121 and the light trimming blade 113, the length of the first arc blade 114 is greater than the length of the second arc blade 115.

[0043] Further, the side surface 103 is inclined to be inwardly inclined from the upper surface 101 to the lower surface 102; the first side surface 1031 is formed corresponding to the light trimming blade 113, the first side surface 1031 is arranged to be wide at the top and narrow at the bottom, which improves the sharpness of the blade edge, reduces the contact with the workpiece and lowers the cutting temperature.

[0044] Further, the insert body 100 is provided with a tool hole 104 and a boss 105 in the center, the main cutting edge blade surface 1111, the secondary cutting edge blade surface 1121 and the light trimming blade surface 1131 are all lower than the boss 105, and the turning insert can be assembled on the tool holder through the tool hole 104.

[0045] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A robust indexable turning insert with a lightened edge, comprising an insert body (100) which is rhombic in shape and has an upper surface (101), a lower surface (102), and side surfaces (103) connecting between the upper surface (101) and the lower surface (102), a cutting edge (110) being formed between the upper surface (101) and the side surfaces (103), characterized in that: The cutting edge (110) comprises a main cutting edge (111), a sub cutting edge (112) and a polishing edge (113), the polishing edge (113) is arranged in an inclined straight line and is connected between the main cutting edge (111) and the sub cutting edge (112); an included angle α is formed between the polishing edge (113) and the main cutting edge (111), and an included angle β is formed between the polishing edge (113) and the sub cutting edge (112), and α < β.

2. A robust indexable turning insert with a lightened cutting edge according to claim 1, characterized in that: The main cutting edge (111) is provided with a main cutting edge tool face (1111) on the upper surface; The sub cutting edge (112) is provided with a sub cutting edge tool face (1121) on the upper surface; The polishing edge (113) is provided with a polishing edge tool face (1131) on the upper surface; And the main cutting edge tool face (1111), the sub cutting edge tool face (1121) and the polishing edge tool face (1131) are arranged in an inclined manner with gradually decreasing height from the outside to the inside.

3. A robust indexable turning insert with a lightened cutting edge according to claim 2, characterized in that: The polishing edge tool face (1131) is provided with a chip breaking boss (1132).

4. A robust indexable turning insert with a lightened cutting edge according to claim 3, characterized in that: The surface of the chip breaking boss (1132) is arranged in an arc shape.

5. A robust indexable turning insert with a lightened cutting edge according to claim 4, characterized in that: The chip breaking boss (1132) comprises a first chip breaking boss (11321) and a second chip breaking boss (11322), and the projection areas of the first chip breaking boss (11321) and the second chip breaking boss (11322) on the polishing edge tool face (1131) are different. The first chip breaking boss (11321) and the second chip breaking boss (11322) are connected, and the connection is higher than the polishing edge tool face (1131).

6. A robust indexable turning insert with a lightened cutting edge according to any one of claims 2-4, characterized in that: The first circular arc edge (114) is arranged between the main cutting edge (111) and the polishing edge (113); and the second circular arc edge (115) is arranged between the sub cutting edge tool face (1121) and the polishing edge (113).

7. A robust indexable turning insert with a lightened cutting edge according to claim 6, characterized in that: The length of the first circular arc edge (114) is greater than the length of the second circular arc edge (115).

8. A robust indexable turning insert with a lightened cutting edge according to claim 6, characterized in that: The side surface (103) is arranged in an inclined manner and is inclined inwardly from the upper surface (101) to the lower surface (102); The first side surface (1031) is formed corresponding to the polishing edge (113) and is arranged in a wide upper and narrow lower manner.

9. The robust indexable turning insert with a lightening edge according to claim 2, characterized in that: The blade body (100) is provided with a tool hole (104) and a boss (105) in the center; The main cutting edge tool face (1111), the sub cutting edge tool face (1121) and the polishing edge tool face (1131) are all lower than the boss (105).

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