CN107363303A

CN107363303A - A kind of corrosion-resistant drill bit

Info

Publication number: CN107363303A
Application number: CN201710856677.9A
Authority: CN
Inventors: 黄忠浩
Original assignee: Zhangjiagang Drilling Equipment Co Ltd
Current assignee: Zhangjiagang Drilling Equipment Co Ltd
Priority date: 2017-09-21
Filing date: 2017-09-21
Publication date: 2017-11-21

Abstract

The invention discloses a kind of corrosion-resistant drill bit, including：Chisel edge, drill bit middle-end and drill bit rear end.Through the above way, the corrosion-resistant drill bit of the present invention, by setting appropriate composition composition and rational structure, improve the performance of conventional drill, have the advantages that intensity is high, corrosion-resistant, easy to use, long lifespan, there are extensive market prospects in the application and popularization of plant equipment and parts.

Description

A kind of corrosion-resistant drill bit

Technical field

The present invention relates to plant equipment and part field, more particularly to a kind of corrosion-resistant drill bit.

Background technology

Drill bit is to dig the standby upper main cutting tool for borehole in brill, can cut out the hole of circle, drill bit Operation principle is to make drill bit trimming rotation, cutting workpiece, carried out excluding drilling cuttings etc. again by drill flute, and conventional drill bit mainly has fried dough twist Brill, chit drill, centre drill, depth drill and cylindrical drill etc., drill bit typically all use hard alloy, and the production environment of factory compares evil It is bad, and the performance indications such as hardness to drill bit in itself have higher requirement, and existing drill bit only possesses basic cutting function, The needs of actual production can not be met.

The content of the invention

The present invention solves the technical problem of provide a kind of corrosion-resistant drill bit.

In order to solve the above technical problems, one aspect of the present invention is：

A kind of corrosion-resistant drill bit is provided, including：Chisel edge, drill bit middle-end and drill bit rear end, the chisel edge include square Flat head, the first square cylinder and the first cylinder, square flat tack, the first square cylinder and the first cylinder are sequentially connected, The drill bit middle-end includes the second square cylinder, and the drill bit rear end includes the second cylinder, in the corrosion-resistant drill bit respectively into Point shared parts by weight are respectively：Carbon accounts for 0.6-0.9, titanium nitride accounts for 0.11-0.22, tungsten carbide accounts for 0.21-0.32, nickel accounts for 0.04-0.12, copper account for 0.12-0.25, vanadium accounts for 2.5-3.9 and cobalt accounts for 4.6-6.1.

In a preferred embodiment of the present invention, parts by weight shared by each composition are respectively in the corrosion-resistant drill bit：Carbon Account for 0.6, titanium nitride account for 0.11, tungsten carbide account for 0.21, nickel account for 0.04, copper account for 0.12, vanadium account for 2.5 and cobalt account for 4.6.

In a preferred embodiment of the present invention, parts by weight shared by each composition are respectively in the corrosion-resistant drill bit：Carbon Account for 0.72, titanium nitride account for 0.14, tungsten carbide account for 0.27, nickel account for 0.08, copper account for 0.15, vanadium account for 2.7 and cobalt account for 4.9.

In a preferred embodiment of the present invention, parts by weight shared by each composition are respectively in the corrosion-resistant drill bit：Carbon Account for 0.62, titanium nitride account for 0.19, tungsten carbide account for 0.26, nickel account for 0.07, copper account for 0.13, vanadium account for 2.9 and cobalt account for 4.9.

In a preferred embodiment of the present invention, parts by weight shared by each composition are respectively in the corrosion-resistant drill bit：Carbon Account for 0.71, titanium nitride account for 0.21, tungsten carbide account for 0.31, nickel account for 0.05, copper account for 0.17, vanadium account for 2.7 and cobalt account for 5.1.

In a preferred embodiment of the present invention, parts by weight shared by each composition are respectively in the corrosion-resistant drill bit：Carbon Account for 0.9, titanium nitride account for 0.22, tungsten carbide account for 0.32, nickel account for 0.12, copper account for 0.25, vanadium account for 3.9 and cobalt account for 6.1.

The beneficial effects of the invention are as follows：By setting appropriate composition composition and rational structure, conventional drill is improved Performance, have the advantages that intensity is high, corrosion-resistant, easy to use, long lifespan, in the application and popularization of plant equipment and parts On have extensive market prospects.

Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other Accompanying drawing, wherein：

Fig. 1 is the structural representation of the preferred embodiment of corrosion-resistant drill bit one of the present invention.

Embodiment

The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects Enclose.

Referring to Fig. 1, the embodiment of the present invention includes：

A kind of corrosion-resistant drill bit, including：Chisel edge 1, drill bit middle-end 2 and drill bit rear end 3, the chisel edge 1 include square Flat head 4, the first square cylinder 5 and the first cylinder 6, square flat tack 4, the first square cylinder 5 and the first cylinder 6 are successively Connection, the drill bit middle-end 2 include the second square cylinder, and the drill bit rear end 3 includes the second cylinder, the corrosion-resistant drill bit In parts by weight shared by each composition be respectively：Carbon accounts for 0.6-0.9, titanium nitride accounts for 0.11-0.22, tungsten carbide accounts for 0.21-0.32, nickel Account for 0.04-0.12, copper accounts for 0.12-0.25, vanadium accounts for 2.5-3.9 and cobalt accounts for 4.6-6.1.

Preferably, parts by weight shared by each composition are respectively in the corrosion-resistant drill bit：Carbon account for 0.6, titanium nitride account for 0.11, Tungsten carbide account for 0.21, nickel account for 0.04, copper account for 0.12, vanadium account for 2.5 and cobalt account for 4.6.

Preferably, parts by weight shared by each composition are respectively in the corrosion-resistant drill bit：Carbon accounts for 0.72, titanium nitride and accounted for 0.14th, tungsten carbide account for 0.27, nickel account for 0.08, copper account for 0.15, vanadium account for 2.7 and cobalt account for 4.9.

Preferably, parts by weight shared by each composition are respectively in the corrosion-resistant drill bit：Carbon accounts for 0.62, titanium nitride and accounted for 0.19th, tungsten carbide account for 0.26, nickel account for 0.07, copper account for 0.13, vanadium account for 2.9 and cobalt account for 4.9.

Preferably, parts by weight shared by each composition are respectively in the corrosion-resistant drill bit：Carbon accounts for 0.71, titanium nitride and accounted for 0.21st, tungsten carbide account for 0.31, nickel account for 0.05, copper account for 0.17, vanadium account for 2.7 and cobalt account for 5.1.

Preferably, parts by weight shared by each composition are respectively in the corrosion-resistant drill bit：Carbon account for 0.9, titanium nitride account for 0.22, Tungsten carbide account for 0.32, nickel account for 0.12, copper account for 0.25, vanadium account for 3.9 and cobalt account for 6.1.

The beneficial effect of the corrosion-resistant drill bit of the present invention is：By setting appropriate composition to form and rational structure, improvement The performance of conventional drill, have the advantages that intensity is high, corrosion-resistant, easy to use, long lifespan, in plant equipment and parts Using and popularization on have extensive market prospects.

Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks Domain, it is included within the scope of the present invention.

Claims

A kind of 1. corrosion-resistant drill bit, it is characterised in that including：Chisel edge, drill bit middle-end and drill bit rear end, the chisel edge Including square flat tack, the first square cylinder and the first cylinder, square flat tack, the first square cylinder and the first cylinder according to Secondary connection, the drill bit middle-end include the second square cylinder, and the drill bit rear end includes the second cylinder, the corrosion-resistant drill bit In parts by weight shared by each composition be respectively：Carbon accounts for 0.6-0.9, titanium nitride accounts for 0.11-0.22, tungsten carbide accounts for 0.21-0.32, nickel Account for 0.04-0.12, copper accounts for 0.12-0.25, vanadium accounts for 2.5-3.9 and cobalt accounts for 4.6-6.1.
2. a kind of corrosion-resistant drill bit according to claim 1, it is characterised in that in the corrosion-resistant drill bit shared by each composition Parts by weight are respectively：Carbon, which accounts for 0.6, titanium nitride and accounts for 0.11, tungsten carbide and account for 0.21, nickel and account for 0.04, copper and account for 0.12, vanadium, accounts for 2.5 and Cobalt accounts for 4.6.
3. a kind of corrosion-resistant drill bit according to claim 1, it is characterised in that in the corrosion-resistant drill bit shared by each composition Parts by weight are respectively：Carbon, which accounts for 0.72, titanium nitride and accounts for 0.14, tungsten carbide and account for 0.27, nickel and account for 0.08, copper and account for 0.15, vanadium, accounts for 2.7 and Cobalt accounts for 4.9.
4. a kind of corrosion-resistant drill bit according to claim 1, it is characterised in that in the corrosion-resistant drill bit shared by each composition Parts by weight are respectively：Carbon, which accounts for 0.62, titanium nitride and accounts for 0.19, tungsten carbide and account for 0.26, nickel and account for 0.07, copper and account for 0.13, vanadium, accounts for 2.9 and Cobalt accounts for 4.9.
5. a kind of corrosion-resistant drill bit according to claim 1, it is characterised in that in the corrosion-resistant drill bit shared by each composition Parts by weight are respectively：Carbon, which accounts for 0.71, titanium nitride and accounts for 0.21, tungsten carbide and account for 0.31, nickel and account for 0.05, copper and account for 0.17, vanadium, accounts for 2.7 and Cobalt accounts for 5.1.
6. a kind of corrosion-resistant drill bit according to claim 1, it is characterised in that in the corrosion-resistant drill bit shared by each composition Parts by weight are respectively：Carbon, which accounts for 0.9, titanium nitride and accounts for 0.22, tungsten carbide and account for 0.32, nickel and account for 0.12, copper and account for 0.25, vanadium, accounts for 3.9 and Cobalt accounts for 6.1.