CN211588568U - Small triangular blade - Google Patents

Abstract

The utility model discloses a small triangular blade, which comprises a blade body, wherein the central position of the blade body is provided with a mounting hole, the blade body is of an equilateral triangle structure, the tip part of the blade body is a round angle, and the side length of the blade body is 13-20 mm; the point portion fillet of cutter body is R1.5, the utility model discloses be the circular arc of non-standard R1.5 size with the fillet processing of blade body, no matter be CNC or ordinary car, the during operation only needs to make the blade body lean on the work piece can accomplish the R1.5 circular arc of product drawing regulation, and labour saving and time saving has improved work efficiency, and the tool bit portion of this blade body can be changed simultaneously, reduces the cost of making the blade again.

Description

Small triangular blade

Technical Field

The utility model relates to a machine tooling lathe parts makes the field, especially relates to a little triangle blade.

Background

Machining is short for machining and refers to a machining process for removing materials through mechanical precision machining. The mechanical processing mainly comprises two main types of manual general turning processing and numerical control processing.

The manual general turning is a method for processing various materials by manually operating mechanical equipment such as a milling machine, a lathe, a drilling machine, a sawing machine and the like through a mechanical worker, and the manual processing is suitable for producing parts in small batches and simply.

The numerical control machining is machining using a numerical control machining tool. CNC machining machines are programmed in a nc machining language, typically G-code. The numerical control machining G code language tells a machining tool of a numerical control machine tool which Cartesian position coordinates (X, Y and Z) are adopted, controls the feeding speed and the rotating speed of a main shaft of the tool and realizes machining, the numerical control machining has great advantages compared with manual machining, and parts produced by numerical control machining are very accurate and have repeatability; numerical control machining can produce parts with complex shapes which cannot be finished by manual machining. Numerical control processing technology has now generally been promoted, the machine tooling workshop of the majority all has numerical control machining ability, processing can't leave the cutter, especially along with the development of science and technology, the quality of parts raw and other materials is higher and higher, hardness is big, the machining precision requires highly, the carbide blade fillet of standard is R0.4 mostly on the market at present, R0.8, R1.6, R2.0, and product drawing fillet all is R1.5 basically, lead to the customer can only process this circular arc with R0.8's fillet, use this blade inefficiency in CNC, the programming is very complicated, when using on the general car, the operation degree of difficulty is very big, waste time and energy, influence work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a little triangle blade to solve the problem that above-mentioned prior art exists, the R1.5 size circular arc of regulation on the CNC and the direct processing product drawing of ordinary car of being convenient for.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a small triangular blade, which comprises a blade body, wherein a mounting hole is arranged at the central position on the blade body, the blade body is of an equilateral triangle structure, the tip part of the blade body is a round angle, and the side length of the blade body is 13-20 mm;

the tip fillet of cutter body is R1.5.

Preferably, the side length of the cutter body is 16 mm.

Preferably, the height of the cutter body is 4.75 mm.

Preferably, the cutter body is made of coating hard alloy.

The utility model discloses a following technological effect: to the above-mentioned technical problem who exists among the prior art, the utility model discloses set up the fillet of blade body into the circular arc of R1.5 size, no matter be CNC or general car, the during operation only needs to make the blade body lean on the R1.5 circular arc that the product drawing demand can be accomplished to the work piece, time saving and labor saving, and work efficiency is improved, can use this blade on indexable cutter arbor simultaneously, the position that can fix the blade body on the pinhole is detained through the pressure head on the indexable cutter arbor, mechanical vibration can not appear, the three fillet of this blade body can shift the replacement use respectively simultaneously, tool changing time has been reduced, and service life is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a top view of a small triangular blade according to an embodiment of the present invention;

FIG. 2 is a front view of a small triangular blade according to an embodiment of the present invention;

FIG. 3 is a top view of the small triangular blade of the second embodiment;

FIG. 4 is a front view of a small triangular blade according to the second embodiment;

wherein, 1 is the cutter body, 101 tool bits, 102 is the recess, 2 is the mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Example one

Referring to fig. 1-2, the utility model provides a little triangle blade, including cutter body 1, the height of cutter body 1 is 4.75mm, and the material of cutter body 1 is coating carbide, optional YK15, guarantees that cutter body 1 has higher wearability and toughness in order to adapt to the processing demand. The center of the cutter body 1 is provided with the mounting hole 2, the cutter body 1 is of an equilateral triangle structure, after the cutter body is fixed with a processing cutter bar, after the abrasion of one round corner processing surface is serious, another two round corners can be adopted for continuous processing, the service life of the blade is prolonged, the tip part of the cutter body 1 is a round corner, the side length of the cutter body 1 is 13-20mm, the tip part round corner of the cutter body 1 in the embodiment is preferably R1.5, the side length of the cutter body 1 is preferably 16mm, according to the current situation that the round corner of a product drawing is basically R1.5, the round corner of the cutter body 1 is set to be non-standard R1.5, the CNC is convenient for processing of a common lathe, the R1.5 circular arc of the product drawing requirement can be completed only by enabling the cutter body to lean.

Example two

The blade is the vulnerable part for the machining, change after damaging, the abandonment blade can only be smelted, for the utilization ratio that further improves the cutter body, reduce blade cost of manufacture, refer to fig. 3-4, with the utility model discloses little triangle blade structure is the basis, prepare a combined material welding blade structure, wherein 1 outward flange welding of cutter body has tool bit 101, 1 outward flange of cutter body is provided with recess 102, tool bit 101 is provided with the bead with recess 102 cooperation, the bead inserts to the recess 102 during welding in, increase tool bit 101 and cutter body 1's area of contact, thereby make welded structure more firm, the central point at cutter body 1 is seted up to mounting hole 2 puts, tool bit 101 is made by arbitrary one in polycrystalline cubic boron nitride sintered body, polycrystalline diamond sintered body, silicon nitride, aluminium oxide, titanium nitride, titanium carbide.

The blade welding generally chooses the brazing technique for use, and the cutter body generally uses the ferroalloy to make, damages the back when tool bit 101 in the use, utilizes the melting point of copper to be less than the melting point characteristic of iron, toasts tool bit 101 through high temperature and demolishs, changes tool bit 101 and welds the restoration that can accomplish the blade again, need not reprocess the cutter body, saves raw and other materials and processing cost, improves the utilization ratio of cutter body.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims (4)

1. A small triangular blade, characterized in that: the cutter comprises a cutter body (1), wherein a mounting hole (2) is formed in the center of the cutter body (1), the cutter body (1) is of an equilateral triangle structure, the tip of the cutter body (1) is a round angle, and the side length of the cutter body (1) is 13-20 mm;

the tip fillet of cutter body (1) is R1.5.

2. The small trigonal blade of claim 1, wherein: the side length of the cutter body (1) is 16 mm.

3. The small trigonal blade of claim 1, wherein: the height of the knife body (1) is 4.75 mm.

4. The small trigonal blade of claim 1, wherein: the cutter body (1) is made of coating hard alloy.

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