Drilling and milling cutter for manufacturing automobile parts

Abstract

The utility model discloses a drilling and milling cutter for manufacturing automobile parts, which relates to the field of manufacturing of automobile parts, and comprises a blade part for drilling and milling the automobile parts and a cutter handle for clamping, two spiral circumferential blades are arranged at the front end of the blade part along the direction of the cutter handle, a spiral groove between the spiral circumferential blades is a chip groove, and the chip groove is arranged at the front end of the blade part. The two bottom blades are arranged at the front end of the blade part and intersect at the center of the front end of the blade part to form the drill tip, the arranged drill tip is in point contact with a workpiece at the moment of entering cutting, the self-centering performance and stability of the cutter are improved, the axial force is reduced, the cutting performance is improved, and the chip flutes are formed in the two sides of the drill tip, so that the service life of the cutter is prolonged. According to the utility model, the circumferential edge is used for improving the chip removal capability and the rigidity of the cutter, and the cutter can be used for not only drilling but also circumferential milling, so that the cutter can be quickly cut under the matching of the circumferential edge, the production efficiency is improved, and the production cost is saved.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts manufacturing, in particular to a drilling and milling cutter used for automobile parts manufacturing. Background Art

[0002] In the field of automotive parts manufacturing, hole manufacturing is a common processing technology. Traditional mechanical drilling is to use a twist drill to drill holes. The hole diameter with high precision requirements also needs to be centered before drilling to ensure that there is no deviation during the hole processing process and obtain high-quality hole accuracy. The holes processed by ordinary twist drills do not have precision requirements and finish requirements, and milling or reaming is required to improve the processing quality of the holes. The traditional processing technology requires three processes of positioning, drilling and milling to complete the hole processing process. The process is cumbersome and the processing efficiency is relatively low. Utility Model Content

[0003] The utility model provides a drilling and milling cutter for manufacturing automobile parts, which is used to solve the defects of complicated process and low efficiency of general drilling cutters.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A drilling and milling cutter for manufacturing automobile parts comprises a cutting edge for drilling and milling automobile parts and a tool handle for clamping, wherein the cutting edge is arranged at one end of the tool handle, and two spiral circumferential cutting edges are arranged at the front end of the cutting edge along the direction of the tool handle, and the spiral grooves between the spiral circumferential cutting edges are chip removal grooves.

[0006] As a further preferred solution of the utility model, two bottom blades are provided at the front end of the blade portion.

[0007] As a further preferred embodiment of the present invention, the two bottom blades converge at the center of the front end of the blade portion to form a drill tip, and the angle range of the drill tip structure is 140°-150°.

[0008] As a further preferred solution of the utility model, chip grooves for improving chip removal capability and tool rigidity are provided on both sides of the drill tip.

[0009] As a further preferred embodiment of the present invention, the spiral angle of the chip removal groove is 30°-40°.

[0010] The beneficial effects of the utility model are:

[0011] Compared with the common drill bit in the prior art, the utility model has a milling function in addition to the drilling function, so that the utility model can realize fast cutting with the cooperation of the circumferential blade, reduce the cutting time and improve the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a structural schematic diagram of a drilling and milling cutter used for manufacturing automobile parts.

[0013] Figure 2 The utility model is a front view of a drilling and milling cutter used for manufacturing automobile parts.

[0014] Figure 3 The utility model is a top view of a drilling and milling cutter used for manufacturing automobile parts.

[0015] In the figure: 1, cutting edge; 2, tool handle; 1-1, circumferential cutting edge; 1-2, chip groove; 1-3, bottom cutting edge; 1-4, chip groove; 1-5, drill tip. DETAILED DESCRIPTION

[0016] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0017] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] Reference Figure 1-Figure 3 The utility model provides the following technical solution: a drilling and milling cutter for automobile parts manufacturing, comprising a cutting edge 1 for drilling and milling automobile parts and a tool holder 2 for clamping, such as Figure 1 At the front end of the blade 1 along the direction of the shank 2 are provided with two spiral circumferential blades 1-1, the spiral grooves between the spiral circumferential blades 1-1 are chip grooves 1-2, such as Figure 2 As shown; the spiral angle of the chip groove is 30°-40°, preferably 30°. The chip grooves 1-2 are arranged to facilitate the discharge of chips, reduce the contact between chips and the machined surface, and help improve the surface quality of the workpiece.

[0020] like Figure 2 , Figure 3 As shown, two bottom edges 1-3 are arranged at the front end of the blade portion 1, and the two bottom edges 1-3 converge into a drill tip 1-5 at the center of the front end of the blade portion 1. The angle of the drill tip 1-5 structure is 140°-150°. The drill tip 1-5 preferably arranged at 140° is in point contact with the workpiece at the moment of cutting, thereby improving the self-centering property and stability of the tool, reducing the axial force, and improving the cutting performance.

[0021] Chip grooves 1-4 are provided on both sides of the drill tip 1-5 to improve the chip removal capability and tool rigidity of the utility model.

[0022] The utility model discloses a drilling and milling cutter for manufacturing automobile parts. In the process of manufacturing automobile parts, a fast feed processing mode is realized under the cooperation of the drill tip and two cutting edges, thereby greatly reducing the cutting time and improving the production efficiency.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drilling and milling cutter for manufacturing automobile parts, comprising a cutting edge (1) for drilling and milling automobile parts and a tool holder (2) for clamping, characterized in that: The blade (1) is arranged at one end of the handle (2), two spiral circumferential blades (1-1) are arranged at the front end of the blade (1) along the direction of the handle (2), the spiral grooves between the spiral circumferential blades (1-1) are chip removal grooves (1-2), and the spiral angle of the chip removal grooves (1-2) is 30°-40°; The front end of the blade portion (1) is provided with two bottom blades (1-3), and the two bottom blades (1-3) converge at the center of the front end of the blade portion (1) to form a drill tip (1-5), and the angle range of the drill tip (1-5) structure is 140°-150°.

2. A drilling and milling cutter for automobile parts manufacturing according to claim 1, characterized in that: Chip grooves (1-4) for improving chip removal capability and tool rigidity are arranged on both sides of the drill tip (1-5).

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