Cutter structure for high-feed milling surface machining

Abstract

The utility model discloses a cutter structure for high-feed milling surface processing, which relates to the technical field of milling cutters, and comprises a cutter, a cutter head is mounted at the front end of the cutter through a first fixing bolt, and a plurality of chip grooves are formed in the edge of the end surface of the cutter head, and is characterized in that a plurality of mounting grooves are formed in the edges of the chip grooves; a milling cutter blade is mounted in the mounting groove through a second fixing bolt, and the mounting groove and the milling cutter blade are provided with four contact surfaces. According to the cutter structure for high-feed milling face machining, the end of the cutter handle can be connected with the Latin piece in a threaded mode, the Latin piece can be connected with an equipment main shaft, the lower surface of the clamping part of the Latin piece is provided with a plurality of arc grooves, the arc grooves can be attached to a ball lock, and therefore the contact area is increased, and the fixing stability of the Latin piece is improved; the working stability and the service life of the whole milling cutter are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a milling cutter technical field especially a cutter structure for high feed milling surface processing. BACKGROUND

[0002] In the field of mechanical processing today, the cutter for metal cutting usually plays an important role, for example, in the military industry, automobile industry, usually need to use cutter to process some difficult to process metal materials, so that it meets the process requirements.

[0003] The milling cutter head is an important part of cutting processing, and its installation stability directly affects the working effect and service life of the milling cutter. The tool holder is used to connect the tool holder clamped with the cutter to the main shaft of the machine tool. One end of the tool holder is fixed with the tool holder through a threaded structure, and the other end is fixed with the main shaft through a clamp of the main shaft. There are two ways to fix the tool holder and the main shaft, one is to use a chuck, and the other is to use a ball lock system. The chuck fixing method can have more front contact between the tool holder and the tool holder, while the ball lock fixing method only has point contact, which can reduce the service life of the tool holder and further reduce the safety of the cutter. SUMMARY

[0004] The utility model discloses a cutter structure for high feed milling surface processing, aims at solving the technical problem of poor installation stability.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A cutter structure for high feed milling surface processing, comprising a cutter, the cutter front end is installed with cutter head through first fixed bolt, the cutter head end face edge is equipped with a plurality of chip removal grooves, characterized by, the chip removal groove edge is equipped with a plurality of installation grooves, the installation groove is installed with milling insert through second fixed bolt, the installation groove and milling insert have four contact surfaces;

[0007] The rear end of the cutter is installed with a tool holder through a third fixed bolt, and the tool holder is threadedly connected with a Latin piece at the end.

[0008] The Latin piece comprises a threaded portion, a stress portion is fixed to the upper end of the threaded portion, a clamping portion is fixed to the upper end of the stress portion, and a plurality of fitting portions are arranged around the lower surface of the clamping portion.

[0009] The fitting portion is a concave circular groove.

[0010] In one preferred scheme, the outer surface of the chip removal groove is provided with a liquid outlet, and the liquid outlet is an inclined opening, and the opening is directed towards the cutter.

[0011] In a preferred scheme, the shank is a conical structure, and a clamping groove is formed at the end of the shank connected with the cutter.

[0012] As can be seen, the cutter structure for high-feed face milling provided by the utility model has the following technical effects.

[0013] Firstly, the end of the shank is threadedly connected with a Latin piece, the Latin piece is connected with the main shaft, the lower surface of the clamping portion of the Latin piece is provided with a plurality of circular arc grooves, and the circular arc grooves are capable of being attached to the ball lock, so that the contact area is increased, the fixing stability of the Latin piece is improved, and the working stability and service life of the whole milling cutter are ensured.

[0014] Secondly, the cutter is designed as a hollow structure, the cutting liquid is discharged from the liquid outlet, and the discharge direction extends along the chip removal groove to the cutter, so that the chip removal effect is improved, and the milling blade is cooled. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 1 is a perspective view of a cutter structure for high-feed face milling according to the utility model.

[0016] Figure 2 Fig. 2 is a perspective view of a cutter disc structure of the cutter structure for high-feed face milling according to the utility model.

[0017] Figure 3 Fig. 3 is a perspective view of a fitting portion structure of the cutter structure for high-feed face milling according to the utility model.

[0018] Figure 4 Fig. 4 is a perspective view of a clamping portion structure of the cutter structure for high-feed face milling according to the utility model.

[0019] Figure 5 Fig. 5 is a perspective view of a Latin piece of the cutter structure for high-feed face milling according to the utility model. Figure 2 Fig. 6 is an enlarged structural schematic view of position A in Fig. 5.

[0020] In the drawings: 1, cutter; 2, cutter disc; 3, first fixing bolt; 4, chip removal groove; 5, mounting groove; 6, second fixing bolt; 7, liquid outlet; 8, third fixing bolt; 9, shank; 10, clamping groove; 11, Latin piece; 1101, threaded portion; 1102, stress portion; 1103, clamping portion; 1104, fitting portion. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] Reference Figures 1-5 A tool structure for high feed milling includes a tool 1, a tool head 2 is mounted on the front end of the tool 1 by a first fixing bolt 3, a plurality of chip removal grooves 4 are provided on the edge of the end face of the tool head 2, a plurality of mounting grooves 5 are provided on the edge of the chip removal grooves 4, and milling inserts are mounted on the mounting grooves 5 by a second fixing bolt 6, and the mounting grooves 5 and the milling inserts have four contact surfaces.

[0024] The rear end of the cutting tool 1 is fitted with a tool holder 9 via a third fixing bolt 8, and the end of the tool holder 9 is threaded with a Latin component 11;

[0025] The Latin component 11 includes a threaded portion 1101, a force-bearing portion 1102 fixed at the upper end of the threaded portion 1101, an engaging portion 1103 fixed at the upper end of the force-bearing portion 1102, and a plurality of engaging portions 1104 circumferentially formed on the lower surface of the engaging portion 1103.

[0026] The fitting part 1104 is an inwardly recessed arc groove.

[0027] In this embodiment, the milling cutter is first fixed in the mounting groove 5 by the second fixing bolt 6. The milling cutter and the mounting groove 5 have four contact surfaces, which makes the milling cutter more secure and stable during the cutting process. Then, the tool holder 9 is fixed by the third fixing bolt 8. Next, the end of the tool holder 9 can be threaded to the Latin component 11. The Latin component 11 can be connected to the spindle. The lower surface of the engaging part 1103 of the Latin component 11 is provided with several arc grooves, which can fit with the ball lock, thereby increasing the contact area, improving the fixing stability of the Latin component, and thus ensuring the working stability and life of the entire milling cutter.

[0028] Among them, such as Figure 5 As shown, the outer surface of the chip removal groove 4 is provided with a liquid outlet 7. The liquid outlet 7 is an inclined opening facing the direction of the tool 1. The tool 1 is hollow in the whole, and the chip removal liquid can be discharged from the liquid outlet 7. The discharge direction extends along the chip removal groove 4 towards the tool 1, which improves the chip removal effect and can cool the milling cutter.

[0029] Furthermore, the tool holder 9 has a tapered structure, and a groove 10 is provided at the end of the tool holder 9 that is connected to the tool 1. The taper of the tail of the tool holder 9 is consistent with the taper of the machine tool interface to ensure fit and stability.

[0030] The above merely illustrates a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto. The substitution can be the substitution of part of the structure, device, method step, or the complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent substitution or change should be covered in the protection scope of the present application.

Claims

1. A tool structure for high feed face milling, comprising a tool (1), a cutter head (2) is mounted at the front end of the tool (1) by a first fixing bolt (3), a plurality of chip flutes (4) are arranged on the edge of the end face of the cutter head (2), characterized in that, The edge of the chip flute (4) is provided with a plurality of installation grooves (5), the installation grooves (5) are provided with milling blades through second fixing bolts (6), and the installation grooves (5) and the milling blades have four contact surfaces; The rear end of the cutter (1) is provided with a tool shank (9) through a third fixing bolt (8), and the tool shank (9) is threadedly connected with a Latin piece (11) at the tail end. The Latin piece (11) comprises a threaded portion (1101), a stress receiving portion (1102) is fixed to the upper end of the threaded portion (1101), a clamping portion (1103) is fixed to the upper end of the stress receiving portion (1102), and a plurality of abutting portions (1104) are circumferentially formed on the lower surface of the clamping portion (1103). The abutting portions (1104) are inwardly recessed circular arc grooves.

2. A tool structure for high feed face milling according to claim 1, characterized in that The outer surface of the chip flute (4) is provided with a liquid outlet (7), and the liquid outlet (7) is an inclined opening, and the opening is directed towards the cutter (1).

3. A tool structure for high feed face milling according to claim 1, characterized in that, The tool shank (9) is a conical structure, and a clamping groove (10) is formed at one end of the tool shank (9) connected with the cutter (1).

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