CN206869228U

CN206869228U - Carbide rotary tool

Info

Publication number: CN206869228U
Application number: CN201720625869.4U
Authority: CN
Inventors: 雷祯亚
Original assignee: Sichuan Liyuan Seiko Technology Co Ltd
Current assignee: Sichuan Liyuan Seiko Technology Co Ltd
Priority date: 2017-06-01
Filing date: 2017-06-01
Publication date: 2018-01-12
Anticipated expiration: 2027-06-01

Abstract

The utility model discloses carbide rotary tool, cutter head including handle of a knife and connection handle of a knife, cutter head includes bit body and some the first spiral shapes located at bit body surface frustrate line and some the second spiral shapes frustrate line, and the first spiral shape frustrates the rotation direction of line and the second spiral shape frustrates the oppositely oriented of line.The utility model uses above structure, can be used regardless of the rotation direction of part to be processed, versatile.

Description

Carbide rotary tool

Technical field

It the utility model is related to cutting element technical field, and in particular to carbide rotary tool.

Background technology

The assorted milling cutter of carbide rotary tool, also known as high-speed carbide, carbide die milling cutter etc., with high speed electric mill Machine or pneumatic tools support the use, and workhardness is up to HRA >=85.Carbide rotary tool can finish various metal die cavities； Clear up casting, forging, the overlap of weldment, burr and weld seam；Chamfering, rounding, groove and the keyway processing of various machine components；Impeller stream The smoothing at road position；Clear up pipeline；Finish the bore area of machine components；Various metals and nonmetallic technique engraving etc.. Existing carbide bit lines is more single, can not meet the processing needs of diversified workpiece.Processed simultaneously in long-time During, cooling effect is poor, reduces the service life of cutter head.

Utility model content

The purpose of this utility model is to disclose carbide rotary tool that it is more single to solve existing rotary file head lines One, the problem of process cooling effect is poor, service life is short.

To reach above-mentioned purpose, the utility model adopts the following technical scheme that：

Carbide rotary tool, including the cutter head of handle of a knife and connection handle of a knife, cutter head include bit body and located at cutter head sheets Some first spiral shapes in body surface face frustrate line and some the second spiral shapes frustrate line, and the first spiral shape frustrates the rotation direction and second of line Spiral shape frustrates the oppositely oriented of line.

Further, the bit body is in tip domes；Some first spiral shapes are frustrated line and are evenly distributed on On the bit body surface, the tip in bit body is extended to from the butt end of bit body；Some second spirals Shape is frustrated line and is evenly distributed on bit body surface, and the tip in bit body is extended to from the butt end of bit body；The knife Handle connects the butt end of bit body.

Further, first spiral shape frustrate line quantity be more than or equal to 2, the quantity that second spiral shape frustrates line is big In or equal to 2；Adjacent first spiral shape is frustrated between line, adjacent second spiral shape is frustrated between line and the first spiral shape frustrates line and second Spiral shape forms chamfered groove between frustrating line.

Further, the first cooling fluid path extended along the axis direction of handle of a knife is provided with inside the handle of a knife, inside cutter head Provided with the second cooling fluid path, the entrance of the first cooling fluid path is located at the end face of handle of a knife, the outlet second of the first cooling fluid path Cooling fluid path, the second cooling fluid path export provided with several second cooling fluid paths, and the outlet of the second cooling fluid path is located at the chamfered groove.

Further, the handle of a knife and the cutter head are interference fitted and further fixed by welding.

Further, the length L1 of the handle of a knife and the length L2 of the cutter head meet L1>2.5×L2.

Further, the handle of a knife and the cutter head link position are in arc transition structure.

Compared with prior art, the beneficial effects of the utility model：

The utility model frustrates line using the first oppositely oriented spiral shape and the second spiral shape frustrates the structure of line, no matter added How the rotation direction of work part can use, versatile.Using the structure of the first cooling fluid path and the second cooling fluid path, will cool down Liquid is conducted to cutter head from handle of a knife, efficiently solves cooling problem, can continuously be worked the long period, is both improved service life, Operating efficiency is improved again.Handle of a knife and cutter head interference fit are simultaneously further fixed by welding, and are connected firmly.Handle of a knife and cutter head connect It is in arc transition structure to connect position, is uniformly distributed beneficial to stress.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the schematic elevation view of the utility model carbide rotary tool embodiment；

In figure, 1- handle of a knifes；The cooling fluid paths of 11- first；2- cutter heads；21- bit bodies；The butt end of 211- bit bodies； The tip of 212- bit bodies；The spiral shapes of 22- first frustrate line；The spiral shapes of 23- second frustrate line；24- chamfered grooves；The coolants of 25- second Road；The cooling fluid paths of 251- second export.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Embodiment carbide rotary tool as shown in Figure 1, including handle of a knife 1 and cutter head 2, it is in tip arch knot that cutter head 2, which includes, The bit body 21 of structure and some the first spiral shapes located at the surface of bit body 21 frustrate line 22 and some the second spiral shapes Line 23 is frustrated, the first spiral shape frustrates the rotation direction of line 21 and the second spiral shape frustrates the oppositely oriented of line 22.Some the first spiral shape is frustrated Line 22 is evenly distributed on the surface of bit body 21, and the tip 212 in bit body is extended to from the butt end 211 of bit body. Some the second spiral shapes are frustrated line 23 and are evenly distributed on the surface of bit body 21, are extended to from the butt end 211 of bit body The tip 212 of bit body.Handle of a knife 1 connects the butt end 211 of bit body.The He of line 22 is frustrated using the first oppositely oriented spiral shape Second spiral shape frustrates the structure of line 23, and the present embodiment can be used regardless of the rotation direction of part to be processed, versatile.

Adjacent first spiral shape is frustrated between line 22, adjacent second spiral shape is frustrated between line 23 and the first spiral shape frustrate line 22 with Second spiral shape forms chamfered groove 24 between frustrating line 23.The inside of handle of a knife 1 is provided with axis direction X along handle of a knife to the first cold of extension But fluid path 11, the inside of cutter head 2 are provided with the second cooling fluid path 25, and the entrance of the first cooling fluid path 11 is located at the end face of handle of a knife 1, and first The second cooling fluid path of outlet 25 of cooling fluid path 11, the second cooling fluid path 25 export provided with several second cooling fluid paths 251, the second cooling fluid path outlet 251 is located at chamfered groove 24., will using the structure of the first cooling fluid path 11 and the second cooling fluid path 25 Coolant is conducted to cutter head 2 from handle of a knife 1, efficiently solves cooling problem so that and the present embodiment can continuously work the long period, Both the service life of the present embodiment had been improved, has improved operating efficiency again.

In the present embodiment, handle of a knife and cutter head are interference fitted and further fixed by welding, and are connected firmly.The length of handle of a knife 1 The length L2 of degree L1 and cutter head 2 meets L1 >=2.5 × L2.Handle of a knife 1 and the link position of cutter head 2 are in arc transition structure.

The other structures of the present embodiment are referring to prior art.

The utility model is not limited to above-mentioned embodiment, if various changes or modifications to the utility model do not take off From spirit and scope of the present utility model, if these changes and modification belong to the claims and equivalents of the utility model Within the scope of, then the utility model is also intended to comprising these changes and modification.

Claims

1. carbide rotary tool, it is characterized in that：Cutter head including handle of a knife and connection handle of a knife, cutter head include bit body and are located at Some first spiral shapes on bit body surface frustrate line and some the second spiral shapes frustrate line, and the first spiral shape frustrates the rotation direction of line The oppositely oriented of line is frustrated with the second spiral shape.

2. carbide rotary tool according to claim 1, it is characterised in that：The bit body is in tip domes； Some first spiral shapes are frustrated line and are evenly distributed on the bit body surface, are extended to from the butt end of bit body The tip of bit body；Some second spiral shapes are frustrated line and are evenly distributed on bit body surface, from bit body Butt end extends to the tip in bit body；The butt end of the handle of a knife connection bit body.

3. carbide rotary tool according to claim 1 or claim 2, it is characterised in that：First spiral shape frustrates the quantity of line More than or equal to 2, the quantity that second spiral shape frustrates line is more than or equal to 2；Adjacent first spiral shape is frustrated between line, adjacent Two spiral shapes are frustrated between line and the first spiral shape frustrates line and the second spiral shape frustrate line between form chamfered groove.

4. carbide rotary tool according to claim 3, it is characterised in that：The axle along handle of a knife is provided with inside the handle of a knife First cooling fluid path of line direction extension, cutter head inside are provided with the second cooling fluid path, and the entrance of the first cooling fluid path is located at handle of a knife End face, the cooling fluid path of outlet second of the first cooling fluid path, the second cooling fluid path is provided with several second cooling fluid paths Outlet, the outlet of the second cooling fluid path are located at the chamfered groove.

5. carbide rotary tool according to claim 1 or claim 2, it is characterised in that：The handle of a knife and the cutter head interference are matched somebody with somebody Merga pass welding is further fixed.

6. carbide rotary tool according to claim 5, it is characterised in that：The length L1 of the handle of a knife and the cutter head Length L2 meets L1 >=2.5 × L2.

7. carbide rotary tool according to claim 6, it is characterised in that：The handle of a knife and the cutter head link position are in Arc transition structure.