Spiral drilling, reaming and reaming integrated cutter

Abstract

The utility model provides a spiral drilling, reaming and reaming integrated cutter which comprises a cutter handle. The cutter handle is columnar; a tool bit; the cutter head is integrally formed at the front end of the cutter handle; a spiral groove is formed in the tool bit; a blade; the blades comprise a first blade and a second blade; the first blade is arranged at the end of the tool bit; the second blade is arranged in the middle of the tool bit; the tool bit comprises a first mounting section and a second mounting section; the first mounting section is positioned in front of the second mounting section; the diameter of the first mounting section is smaller than that of the second mounting section; the second blade is located at the joint of the first installation section and the second installation section. The three machining procedures of drilling, reaming and counter sinking are integrated, so that the machining procedures and the cutter replacement frequency are greatly reduced, the machining time is shortened, and the production efficiency is improved. Multiple machining requirements of the workpiece can be met in the one-time clamping process, accumulative errors caused by multiple times of clamping are avoided, and the machining precision of the workpiece and the position precision between the machining faces are effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fine processing technical field, more specifically, especially relate to a spiral drilling reaming counter sinking integrated cutter. BACKGROUND

[0002] In the rivet hole processing of the aviation industry, drilling, reaming and counter sinking usually need to use different cutters to operate respectively, which not only increases the complexity of the processing procedure and prolongs the processing time, but also may cause errors in the workpiece during the multiple clamping process, affecting the processing precision. Moreover, the existing combination cutter often has deficiencies in cutting performance, chip removal effect and adaptability to different material workpieces. Therefore, we designed a spiral drilling reaming counter sinking integrated cutter, aiming to efficiently complete the combined processing of drilling, reaming and counter sinking, simplify the processing procedure, improve the processing precision and efficiency, and optimize the cutting performance. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a spiral drilling reaming counter sinking integrated cutter to solve the problem that different cutters are usually needed to operate respectively during drilling, reaming and counter sinking.

[0004] A spiral drilling reaming counter sinking integrated cutter, comprising

[0005] A shank, which is set as a columnar shape;

[0006] A tool head, which is integrally formed at the front end of the shank, and is provided with a spiral groove on the tool head;

[0007] A blade, which comprises a first blade and a second blade, the first blade is arranged at the end of the tool head, and the second blade is arranged at the middle of the tool head;

[0008] The tool head comprises a first mounting section and a second mounting section, the first mounting section is located at the front of the second mounting section, and the diameter of the first mounting section is smaller than that of the second mounting section;

[0009] The second blade is located at the joint of the first mounting section and the second mounting section.

[0010] Further, the first blade is inserted into the end of the tool head, the end of the first blade protrudes from the tool head, and the end of the first blade is provided with a conical structure.

[0011] Further, the angle of the end of the first blade is 120°.

[0012] Further, the edge of the first blade is provided with a first chamfer, the angle of the first chamfer is 30°, and the width of the first chamfer is 0.15mm.

[0013] Further, the second blade is provided with two groups, which are symmetrically arranged at the joint of the first mounting section and the second mounting section respectively; the second blade comprises a bevel and a parallel edge; the bevel is located at the joint of the first mounting section and the second mounting section; and the parallel edge is arranged beyond the edge of the tool bit.

[0014] Further, the bevel forms a 50° angle with the tool bit.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. By integrating the drilling, reaming and counterboring three processing procedures, the processing procedures and the tool replacement times are greatly reduced, the processing time is shortened, and the production efficiency is improved. The multiple processing requirements of the workpiece can be completed in one clamping process, the cumulative error caused by multiple clamping is avoided, and the processing precision of the workpiece and the position precision between the processing surfaces are effectively ensured.

[0017] 2. The optimized cutting edge geometry and helical groove structure enable the tool to have good cutting performance in the cutting process. Continuous and stable cutting can be realized, the cutting force is uniformly distributed, the cutting heat is small, the processing surface quality is high, the surface roughness value is low, and the tool can meet the occasions with high requirements on the workpiece processing precision and surface quality.

[0018] 3. By arranging the helical groove, it is ensured that the chips can be smoothly discharged in time in the cutting process, and the chips are prevented from blocking and causing secondary scratches on the tool and the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic view of a helical drill-reamer-counterboring integrated tool.

[0020] In the drawings, the correspondence between the component names and the drawing numbers is as follows:

[0021] 1. tool shank; 2. tool bit; 21. helical groove; 22. first mounting section; 23. second mounting section; 3. blade; 31. first blade; 311. first chamfer; 32. second blade; 321. bevel; 322. parallel edge. DETAILED DESCRIPTION

[0022] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0024] In the description of the utility model, it is necessary to point out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] As shown in the accompanying Figure 1 As shown:

[0027] A spiral drill reamer and counterbore integrated cutter comprises

[0028] A shank 1 is provided in a columnar shape.

[0029] A tool bit 2 is integrally formed at the front end of the shank 1. A spiral groove 21 is provided on the tool bit 2. By providing the spiral groove 21, the chip is efficiently removed, and the blockage is avoided. The continuous chip guide path of the spiral groove 21 ensures that the chip is smoothly discharged along the groove, and even in deep hole machining, the chip can maintain good chip removal capacity, reducing the risk of tool breakage caused by chip accumulation. The parallel edge 322 of the second blade 32 is arranged beyond the edge of the tool bit 2, further guiding the chip away from the machined surface, avoiding chip backfolding or secondary damage to the workpiece. The depth and pitch of the spiral groove 21 are optimized to match the machining requirements of high-speed cutting and high feed rate, improving production efficiency while maintaining machining stability.

[0030] Blades 3 comprise first blades 31 and second blades 32. The first blades 31 are arranged at the end of the tool bit 2. The second blades 32 are arranged in the middle of the tool bit 2.

[0031] The tool bit 2 comprises a first mounting section 22 and a second mounting section 23. The first mounting section 22 is located in front of the second mounting section 23. The diameter of the first mounting section 22 is smaller than the diameter of the second mounting section 23.

[0032] The second blade 32 is located at the joint of the first mounting section 22 and the second mounting section 23.

[0033] The first blade 31 is inserted at the end of the tool head 2; the end of the first blade 31 is arranged beyond the tool head 2; and the end of the first blade 31 is provided with a tapered structure.

[0034] The end of the first blade 31 is at an angle of 120°.

[0035] The edge of the first blade 31 is provided with a first chamfer 311; the angle of the first chamfer 311 is 30°; and the width of the first chamfer 311 is 0.15 mm.

[0036] Through the innovative design of the structure of the blade 3 and the helical groove 21, the cutting tool has the following advantages in the cutting process: uniform distribution of cutting force, reduction of cutting heat; the 120° tapered structure and the 30° chamfer with a width of 0.15 mm arranged at the end of the first blade 31 effectively reduce the cutting resistance and the generation of cutting heat, prolonging the service life of the cutting tool.

[0037] Continuous and stable cutting and high surface quality: the bevel 321 and the parallel edge 322 of the second blade 32 are designed to optimize the cutting edge angle, making the cutting process more stable and avoiding vibration, thereby obtaining a lower surface roughness.

[0038] Adaptation to complex material processing: for difficult-to-machine materials, the optimized cutting geometric parameters can reduce tool wear and improve machining stability.

[0039] The second blade 32 is provided with two groups, which are symmetrically arranged at the joint of the first mounting section 22 and the second mounting section 23; the second blade 32 includes a bevel 321 and a parallel edge 322; the bevel 321 is located at the joint of the first mounting section 22 and the second mounting section 23; and the parallel edge 322 is arranged beyond the edge of the tool head 2.

[0040] The two groups of symmetrically arranged second blades 32 enhance the rigidity of the cutting tool, balance the cutting force, and reduce the influence of vibration on machining accuracy.

[0041] The bevel 321 forms an angle of 50° with the tool head 2.

[0042] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present application and practical application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications for specific uses.

Claims

1. A spiral drill, reamer, and counterbore integrated tool, characterized by: Include The handle (1) is provided as a columnar shape. The head (2) is integrally formed at the front end of the handle (1); the head (2) is provided with a spiral groove (21). The blade (3) includes a first blade (31) and a second blade (32); the first blade (31) is provided at the end of the head (2); the second blade (32) is provided at the middle of the head (2). The head (2) includes a first mounting section (22) and a second mounting section (23); the first mounting section (22) is located in front of the second mounting section (23); the diameter of the first mounting section (22) is smaller than that of the second mounting section (23). The second blade (32) is located at the junction of the first mounting section (22) and the second mounting section (23).

2. The drill and countersink integrated tool according to claim 1, wherein: The first blade (31) is inserted into the end of the head (2); the end of the first blade (31) protrudes beyond the head (2); the end of the first blade (31) is provided with a tapered structure.

3. The drill and countersink integrated tool according to claim 2, wherein: The angle of the end of the first blade (31) is 120°.

4. The drill and countersink integrated tool according to claim 2, wherein: The edge of the first blade (31) is provided with a first chamfer (311); the angle of the first chamfer (311) is 30°; the width of the first chamfer (311) is 0.15mm.

5. The drill and countersink integrated tool according to claim 1, wherein: The second blade (32) is provided with two groups, which are symmetrically provided at the junction of the first mounting section (22) and the second mounting section (23); the second blade (32) includes an inclined edge (321) and a parallel edge (322); the inclined edge (321) is located at the junction of the first mounting section (22) and the second mounting section (23); the parallel edge (322) is provided beyond the edge of the head (2).

6. The drill and countersink in one tool according to claim 5, characterized in that: The angle between the inclined edge (321) and the head (2) is 50°.

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