CN210937182U

CN210937182U - Cutting tool capable of improving hardness of cutting edge

Info

Publication number: CN210937182U
Application number: CN201921862819.3U
Authority: CN
Inventors: 林鹏
Original assignee: Shenzhen Blueswin Industrial Co ltd
Current assignee: Shenzhen Blueswin Industrial Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-07
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a cutting tool capable of improving the hardness of a cutting edge, which comprises a set screw, a cutting groove, a fixed screw, a circular groove, an enhancement layer, an artificial diamond, tungsten carbide, manganese alloy and high-speed steel, wherein the lower side of the interior of a press buckle is provided with the fixed screw, the middle position of the front end surface of a cutter holder is provided with the circular groove, the middle position of the interior of a blade is provided with the set screw, the front side of the blade is provided with the cutting groove, the front end surface of the blade is pressed with the high-speed steel, the front end surface of the high-speed steel is hot-pressed with the enhancement layer, the rear end surface of the blade is pressed with the manganese alloy, the upper, this design has solved the problem that original cutting tool hardness is low, life is short, the cutting efficiency is not good enough, the utility model discloses rational in infrastructure has effectively improved blade hardness, makes blade life longer, has improved blade cutting efficiency.

Description

Cutting tool capable of improving hardness of cutting edge

Technical Field

The utility model relates to a can improve cutting tool of cutting edge hardness belongs to cutting tool technical field.

Background

Cutting tools are tools used in machining for cutting operations. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool. When a lathe cuts a part, a specified cutting tool needs to be used for cutting, the existing cutting tool is easy to damage due to low hardness when the part is cut, so that the cutting tool needs to be frequently replaced when in use, the use cost is increased, and the cutting efficiency of the cutting tool is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can improve cutting tool of cutting edge hardness to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure has effectively improved blade hardness, makes blade life longer, has improved blade cutting efficiency.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a cutting tool capable of improving the hardness of a cutting edge comprises a tool bar, a tool apron, a pressing buckle, a blade and a hardness improving mechanism, wherein the tool apron is welded on the upper end face of the tool bar, the blade is installed on the upper side of the front end face of the tool apron, the hardness improving mechanism is arranged in the blade, the pressing buckle is attached to the lower side of the front end face of the blade, the hardness improving mechanism comprises a positioning screw, a cutting groove, a fixing screw, a circular groove, a reinforcing layer, artificial diamond, tungsten carbide, manganese alloy and high-speed steel, the fixing screw is installed on the lower side of the pressing buckle, the circular groove is formed in the middle of the front end face of the tool apron, the positioning screw is installed in the middle of the blade, the cutting groove is formed in the front side of the blade, the high-speed steel is pressed on the front end face of the blade, the reinforcing layer is hot-pressed on, the upper end face of the tungsten carbide is hot-pressed with artificial diamond.

Further, the reinforcing layer is formed by hot pressing of polycrystalline cubic boron nitride materials.

Furthermore, the upper end surface of the blade is slightly higher than the upper end surface of the cutter holder, and the blade is of a detachable structure.

Further, the diameter of the circular groove is larger than the diameter of the press button.

Further, the cutting groove is triangular.

Further, the annular side faces of the positioning screw and the fixing screw rod are meshed with threaded sleeves.

The utility model has the advantages that: the utility model discloses a can improve cutting tool of cutting edge hardness, because of the utility model discloses added set screw, cutting groove, clamping screw, circular recess, enhancement layer, artificial diamond, tungsten carbide, manganese alloy and high-speed steel, this design has improved cutting tool hardness, makes sword inclined to one side life longer, has solved the problem that original cutting tool hardness is low, life is short, cutting efficiency is not good enough, has improved the utility model discloses a hardness effect.

Because of the enhancement layer is made by glomerocryst cubic boron nitride material hot pressing, glomerocryst cubic boron nitride has effectively improved the enhancement layer hardness, because of the blade up end is a little higher than the blade holder up end, the blade is detachable construction, this design has improved blade cutting efficiency, also make things convenient for the blade to change simultaneously, be greater than the pressure diameter of detaining because of the circular slot diameter, this design has improved the pressure of detaining to the blade, because of the cutting flutes is triangle-shaped, the cutting flutes is when improving blade chip removal ability, the temperature that produces when can be fast to the blade cutting distributes, because of set screw and the meshing of clamping screw annular side have the thread bush, the thread bush has improved set screw and clamping screw meshing force, the utility model discloses rational in infrastructure, effectively improved blade hardness, make blade life longer, improved blade cutting efficiency.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a cutting tool according to the present invention for increasing the hardness of a cutting edge;

FIG. 2 is a schematic structural diagram of a hardness increasing mechanism of a cutting tool according to the present invention for increasing the hardness of a cutting edge;

FIG. 3 is a left side sectional view of a hardness increasing mechanism of a cutting tool for increasing the hardness of a cutting edge according to the present invention;

in the figure: 1-cutter bar, 2-cutter holder, 3-press buckle, 4-blade, 5-hardness improving mechanism, 51-set screw, 52-cutting groove, 53-fixing screw, 54-circular groove, 55-reinforcing layer, 56-artificial diamond, 57-tungsten carbide, 58-manganese alloy and 59-high-speed steel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a can improve cutting tool of cutting edge hardness, includes cutter arbor 1, blade holder 2, presses and detain 3, blade 4 and improve hardness mechanism 5, and the welding of 1 up end of cutter arbor has blade holder 2, and blade 4 is installed to the terminal surface upside before the blade holder 2, and blade 4 is inside to be provided with to improve hardness mechanism 5, and the laminating of 4 preceding terminal surface downside of blade has to press detain 3.

The hardness improving mechanism 5 comprises a positioning screw 51, a cutting groove 52, a fixing screw 53, a circular groove 54, a reinforcing layer 55, an artificial diamond 56, a tungsten carbide 57, a manganese alloy 58 and high-speed steel 59, the fixing screw 53 is installed on the lower side inside the press buckle 3, the circular groove 54 is formed in the middle of the front end face of the tool apron 2, the positioning screw 51 is installed in the middle inside the blade 4, the cutting groove 52 is formed in the front side of the blade 4, the high-speed steel 59 is pressed on the front end face of the blade 4, the reinforcing layer 55 is hot-pressed on the front end face of the high-speed steel 59, the manganese alloy 58 is pressed on the rear end face of the blade 4, the tungsten carbide 57 is hot-pressed on the upper end face of the manganese alloy 58, and the artificial diamond 56 is hot-pressed on the upper end face of the tungsten.

The strengthening layer 55 is formed by hot pressing of a polycrystalline cubic boron nitride material, the hardness of the strengthening layer 55 is effectively improved by the polycrystalline cubic boron nitride, the upper end face of the blade 4 is slightly higher than the upper end face of the tool apron 2, the blade 4 is of a detachable structure, the cutting efficiency of the blade 4 is improved by the design, meanwhile, the blade 4 is convenient to replace, the diameter of the circular groove 54 is larger than that of the pressing buckle 3, the pressing force of the pressing buckle 3 on the blade 4 is improved by the design, the cutting groove 52 is triangular, the cutting groove 52 can rapidly dissipate the temperature generated when the blade 4 is cut while the chip removal capacity of the blade 4 is improved, the annular side faces of the positioning screw 51 and the fixing screw 53 are meshed with threaded sleeves, and the meshing force of the positioning screw 51 and the fixing screw 53 is.

As an embodiment of the present invention: firstly, a positioning screw 51 is fixed at a designated position on the upper side of the front end face of a tool apron 2, then a blade 4 penetrates through the positioning screw 51 and is placed at the designated position on the front end face of the tool apron 2, a pressing buckle 3 is tightly pressed on the lower side of the front end face of the blade 4 by screwing a fixing screw 53, the blade 4 is prevented from shaking during cutting, an artificial diamond 56 is hot-pressed on the upper end face of the blade 4 to enable the hardness of the cutting face of the blade 4 to be higher, high-speed steel 59 is pressed on the front end face of the blade 4 to enable the strength of the blade 4 to be higher, a reinforcing layer 55 is hot-pressed on the front end face of the high-speed steel 59 to effectively improve the hardness of the blade 4, a manganese alloy 58 is pressed on the rear end face of the blade 4 to enable the toughness of the blade 4 to be.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a can improve cutting tool of cutting edge hardness, includes cutter arbor, blade holder, presses and detains, blade and improves hardness mechanism, its characterized in that: a cutter holder is welded on the upper end face of the cutter bar, a cutter blade is mounted on the upper side of the front end face of the cutter holder, a hardness improving mechanism is arranged in the cutter blade, and a pressing buckle is attached to the lower side of the front end face of the cutter blade;

the hardness improving mechanism comprises a positioning screw, a cutting groove, a fixing screw, a circular groove, a reinforcing layer, an artificial diamond, tungsten carbide, manganese alloy and high-speed steel, the fixing screw is installed on the lower side of the inside of the press buckle, the circular groove is formed in the middle of the front end face of the cutter holder, the positioning screw is installed in the middle of the inside of the blade, the cutting groove is formed in the front side of the blade, the high-speed steel is pressed on the front end face of the blade, the reinforcing layer is hot-pressed on the front end face of the high-speed steel, the manganese alloy is pressed on the rear end face of the blade, the tungsten carbide is hot-pressed on the upper end face of the manganese alloy.

2. A cutting tool for increasing the hardness of the cutting edge according to claim 1, wherein: the reinforcing layer is formed by hot pressing of a polycrystalline cubic boron nitride material.

3. A cutting tool for increasing the hardness of the cutting edge according to claim 1, wherein: the upper end surface of the blade is slightly higher than the upper end surface of the cutter holder, and the blade is of a detachable structure.

4. A cutting tool for increasing the hardness of the cutting edge according to claim 1, wherein: the diameter of the circular groove is larger than that of the press buckle.

5. A cutting tool for increasing the hardness of the cutting edge according to claim 1, wherein: the cutting groove is triangular.

6. A cutting tool for increasing the hardness of the cutting edge according to claim 1, wherein: and the annular side surfaces of the positioning screw and the fixing screw rod are meshed with thread sleeves.