Turning tool blade
By designing a mountain-shaped chip breaker and chip groove structure on the cutting insert, combined with the cutting edge and rake face, the problems of severe wear and poor chip breaking effect during high-temperature alloy cutting are solved, thus improving the cutting performance of the cutting insert.
Patent Information
- Application Number
- CN202520027609.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing cutting tools suffer from severe wear and poor chip breaking performance when machining high-temperature alloys, making it difficult to meet the requirements of cutting operations.
A cutting tool was designed with an upwardly extending mountain-shaped chip-breaking section and a chip-rolling groove structure. Combined with the cutting edge and the rake face, it enhances the strength and sharpness of the cutting edge and improves the cooling effect by obstructing the flow of coolant through the protrusion.
It achieves excellent chip breaking and chip removal performance, improving the cutting capability of turning tools, and is particularly suitable for semi-finishing and roughing of high-temperature alloys.
Smart Images
Figure CN223819675U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lathe blade technical field, concretely is a lathe blade. BACKGROUND
[0002] Lathe blade is the working part of lathe, is used for turning, can produce and handle chip, with the development of manufacturing industry and society, the application of difficult processing material represented by high temperature alloy is more and wide, and it has been widely used in aviation, aerospace, ship and energy industry.
[0003] The lathe blade in prior art is faced with high temperature alloy, and due to the characteristics of low thermal conductivity, high temperature chemical activity and small elastic modulus of high temperature alloy, it is easy to form built-up edge, tool wear is serious and chip breaking effect is poor in the cutting process, which is not conducive to cutting. UTILITY MODEL CONTENT
[0004] In view of the defects of prior art, the utility model provides a lathe blade, solves the problems of the lathe blade in prior art, facing high temperature alloy, tool wear is serious and chip breaking effect is poor.
[0005] To achieve the above object, the utility model is realized by the following technical scheme: a lathe blade, comprising a lathe blade body, a straight hole is formed in the top of the lathe blade body and penetrates to the bottom, cutting edges are arranged at the edges of the top and bottom of the lathe blade body;
[0006] The top and bottom of the lathe blade body are provided with chip winding grooves which are located between the straight hole and the corresponding cutting edge and are recessed inward, and the top and bottom of the lathe blade body are fixedly connected with a plurality of protrusions located in the chip winding grooves, and the plurality of protrusions are uniformly arranged along the length direction of the corresponding side edge;
[0007] The diagonal lines of the top and bottom of the lathe blade body are provided with chip breaking parts located in the chip winding grooves, and the chip breaking parts and the chip winding grooves form a mountain shape extending upward.
[0008] Further, the four end portions of the cutting edge are arc-shaped, and the outer end of the chip breaking part extends to the arc end portion of the cutting edge.
[0009] Further, the cutting edge is composed of a blade strip and a rake face, the blade strip is located at the side edge of the lathe blade body, the rake face is located at the inner side of the blade strip and extends into the chip winding groove.
[0010] Further, the width of the blade strip is 0.1-0.3mm.
[0011] Further, an included angle is formed between the blade strip and the corresponding surface of the lathe blade body, and the angle of the included angle is 10°-15°.
[0012] Further, an included angle is formed between the rake face and a corresponding face of the turning tool insert body, and the included angle is 15-25 degrees.
[0013] Further, the protrusions on each side edge of the turning tool insert body are not less than four.
[0014] Compared with the prior art, the turning tool insert has good chip breaking and chip removing performance due to the upwardly extending mountain-shaped chip breaking part, the cutting edge composed of the rake face and the blade has high edge strength, and has good sharpness, and the toughness and sharpness meet the needs of high-temperature alloy turning semi-finishing and rough machining, and facilitate cutting machining. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 is a schematic diagram of the top view structure of the utility model;
[0017] Figure 3 is a schematic diagram of the chip winding groove and the chip breaking part in the utility model;
[0018] Figure 4 is a schematic diagram of the rake face and the blade in the utility model.
[0019] In the drawing: 1, turning tool insert body; 2, straight hole; 3, cutting edge; 4, chip winding groove; 5, chip breaking part; 6, protrusion; 7, blade; 8, rake face. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a turning tool insert, including turning tool insert body 1, the top of turning tool insert body 1 is equipped with straight hole 2 that penetrates to its bottom, and the edge of the top and bottom of turning tool insert body 1 is all provided with cutting edge 3.
[0022] The top and bottom of turning tool insert body 1 are all equipped with the chip winding groove 4 that is located between straight hole 2 and corresponding cutting edge 3 and is inwardly recessed.
[0023] The top and bottom of the turning tool insert body 1 are fixedly connected with a plurality of protrusions 6 located in the chip curling groove 4, and the plurality of protrusions 6 are uniformly arranged along the length direction of the corresponding side.
[0024] During the cutting process, the cooling liquid flows from the cutting edge 3 to the chip curling groove 4 and then flows out of the chip curling groove 4, and the plurality of protrusions 6 effectively hinder the cooling liquid from flowing out, so that the cooling liquid is more likely to stay in the cutting position, thereby achieving better cooling effect.
[0025] The top and bottom of the turning tool insert body 1 are fixedly connected with a plurality of protrusions 6 located in the chip curling groove 4, and the plurality of protrusions 6 are uniformly arranged along the length direction of the corresponding side.
[0026] During the cutting process, the cutting chip flows to the chip breaking part 5 and curls, and when the maximum strain value of the cutting chip exceeds the limit strain value of the cutting chip, the cutting chip breaks and the chip breaking is completed.
[0027] The four end portions of the cutting edge 3 are in arc shape, and the outer end of the chip breaking part 5 extends to the arc end portion of the cutting edge 3.
[0028] The upwardly extending mountain-shaped chip breaking part 5 enables the turning tool insert to have better chip breaking and chip discharging performance, and the upwardly extending chip breaking part 5 has an included angle at the arc end portion of the acute angle of the cutting edge 3.
[0029] The cutting edge 3 is composed of an edge belt 7 and a rake face 8, the edge belt 7 is located at the side of the turning tool insert body 1, and the rake face 8 is located at the inner side of the edge belt 7 and extends into the chip curling groove 4.
[0030] The width of the edge belt 7 is 0.1-0.3mm, and the certain width and small angle of the edge belt 7 can strengthen the edge strength.
[0031] An included angle is formed between the edge belt 7 and the corresponding surface of the turning tool insert body 1, and the angle of the included angle is 10°-15°.
[0032] An included angle is formed between the rake face 8 and the corresponding surface of the turning tool insert body 1, and the angle of the included angle is 15°-25°, and the angle of the rake face 8 increases the sharpness of the feed greater than the width of the edge belt 7 during cutting.
[0033] The protrusions 6 on each side of the turning tool insert body 1 are not less than four.
[0034] During the cutting process, the cooling liquid flows from the cutting edge 3 to the chip curling groove 4 and then flows out of the chip curling groove 4, and the plurality of protrusions 6 effectively hinder the cooling liquid from flowing out, so that the cooling liquid is more likely to stay in the cutting position, thereby achieving better cooling effect, and during the cutting process, the cutting chip flows to the chip breaking part 5 and curls, and when the maximum strain value of the cutting chip exceeds the limit strain value of the cutting chip, the cutting chip breaks and the chip breaking is completed.
[0035] It is to be noted that the relationship terms such as first and second, and the like, are used only to differentiate one entity or action from another, and do not necessarily require or imply any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0036] The above description is merely preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A lathe blade, comprising a blade body (1), characterized in that: The top of the cutting blade body (1) is provided with a straight hole (2) that extends to its bottom, and cutting edges (3) are provided at the top and bottom edges of the cutting blade body (1). The top and bottom of the cutting blade body (1) are provided with chip grooves (4) that are recessed inward between the straight hole (2) and the corresponding cutting edge (3). The top and bottom of the cutting blade body (1) are fixedly connected with a number of protrusions (6) located in the chip grooves (4). The multiple protrusions (6) are evenly arranged along the length direction of the corresponding side. The cutting blade body (1) has chip-breaking sections (5) located in the chip groove (4) on both the top and bottom diagonals. The chip-breaking sections (5) and the chip groove (4) form an upwardly extending mountain shape.
2. A cutting blade according to claim 1, characterized in that: The four ends of the cutting edge (3) are all arc-shaped, and the outer end of the chip breaking part (5) extends to the arc end of the cutting edge (3).
3. A cutting blade according to claim 1, characterized in that: The cutting edge (3) consists of a cutting edge (7) and a rake face (8). The cutting edge (7) is located on the side of the cutting tool body (1), and the rake face (8) is located inside the cutting edge (7) and extends into the chip groove (4).
4. A cutting tool according to claim 3, characterized in that: The width of the blade (7) is 0.1-0.3 mm.
5. A cutting tool according to claim 3, characterized in that: The cutting edge (7) forms an angle with the corresponding surface of the blade body (1), and the angle is 10°-15°.
6. A cutting tool according to claim 3, characterized in that: The rake face (8) and the corresponding face of the cutting tool body (1) form an angle, the angle of which is 15°-25°.
7. A cutting blade according to claim 1, characterized in that: The blade body (1) has at least four protrusions (6) on each side.