CN208450679U - Metal saw - Google Patents

Abstract

The utility model proposes a kind of metal saws, including annular matrix and the milling portion being connected with matrix, matrix is for being external in the shaft of a processing unit (plant) to drive metal saw to rotate, milling portion includes multiple cutter heads, multiple cutter heads protruded outward by the periphery of matrix and multiple cutter heads along matrix peripheral distribution, a chip space is formed between two adjacent cutter heads, each cutter head includes the first extension and the second extension being connected, first extension convexedly stretches in the periphery of matrix, second extension is protruded outward along the first extension away from the direction of matrix, first extension two sides are set there are two the first cutting edge, second extension is equipped with a third cutting edge and is located at third cutting edge two sides and two coupled the second cutting edges, two the first cutting edges also are located at third cutting edge two sides, each second cutting edge cuts third One end of sword is connect with first cutting edge.

Description

Metal saw

Technical field

The utility model relates to a kind of cutter, especially a kind of metal saw.

Background technique

CNC board successively carries out workpiece place to be processed when carrying out processing fluting to workpiece, usually using multiple cutters Processing, to output groove on workpiece.But when due to successively being processed using multiple cutters, machining area may be sent out Changing or since equipment longtime running causes process excursion, causes work pieces process unqualified, also, is carried out using multiple cutters Procedure of processing is cumbersome, and efficiency is lower.

Utility model content

In view of the above situation, it is necessary to a kind of metal saw convenient for carrying out slot milling to workpiece is provided, it is above-mentioned to solve Problem.

A kind of metal saw, including annular matrix and the milling portion being connected with described matrix, described matrix is for external In, to drive the metal saw to rotate, the milling portion includes multiple cutter heads, multiple knives in the shaft of a processing unit (plant) Head is protruded outward by the periphery of described matrix and peripheral distribution of multiple cutter heads along described matrix, two adjacent knives A chip space is formed between head, each cutter head includes the first extension and the second extension being connected, and described first prolongs Extending portion convexedly stretches in the periphery of described matrix, and second extension is outside away from the direction of described matrix along first extension Protrude out, first extension two sides are set there are two the first cutting edge, second extension be equipped with a third cutting edge and It is located at third cutting edge two sides and two coupled the second cutting edges, two first cutting edges also are located at described Third cutting edge two sides, each second cutting edge connect one end of the third cutting edge and first cutting edge It connects.

Further, the number of the cutter head is 40.

Further, the diameter of the metal saw is 24 millimeters.

Further, the width of the cutter head is 2.67 millimeters.

Further, the long range of sword of the third cutting edge is 1.04 millimeters to 1.06 millimeters.

Further, the third cutting edge is linearly.

Further, putting the first edge on a knife or a pair of scissors for the third cutting edge is oriented parallel to the central axis of described matrix.

Further, two second cutting edges respectively with the central axis of described matrix.

Further, described matrix and the milling portion are made of hard alloy.

Above-mentioned metal saw includes third cutting edge, two the second cutting edges and two the first cutting edges, in milling process In, third cutting edge processes the bottom wall of work grooves, and two the second cutting edges are respectively to the two side walls of work grooves It is processed, two the first cutting edges carry out chamfering to the two side walls of work grooves respectively, and cutting is more sharp, and cutter head is more, Cutting resistance can be reduced, reduce the abrasion of blade, extend metal saw service life, meanwhile, clast caused by cutting can and When be discharged, will not accumulate, so that workpiece slot surface finishing, avoids the generation of burr and knife mark, improve the quality of processing, because This, reduces the processing cost of workpiece.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram of metal saw in an embodiment of the present invention.

Fig. 2 is the schematic diagram at another visual angle of metal saw shown in Fig. 1.

Fig. 3 is the top view of metal saw shown in Fig. 1.

Main element symbol description

Metal saw	100
		Matrix	10
Central axis	11
		Milling portion	20
Cutter head	21
		First extension	211
First cutting edge	2111
		Second extension	212
Second cutting edge	2121
		Third cutting edge	2122
Chip space	22
		Shaft	200
Grip block	201

The following detailed description will be further explained with reference to the above drawings the utility model.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The all other embodiment obtained, fall within the protection scope of the utility model.

It should be noted that it can be directly to separately when an element is considered as " connection " another element One element may be simultaneously present the element being centrally located.When an element is considered as " setting exists " another element, It, which can be, is set up directly on another element or may be simultaneously present the element being centrally located.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more related listed items.

Referring to Fig. 1, the utility model provides a kind of metal saw 100.Metal saw 100 is used to carry out work grooves Milling.Metal saw 100 includes matrix 10 and milling portion 20.Matrix 10 is connected with milling portion 20.Matrix 10 is used for external one To drive metal saw 100 to rotate in the shaft 200 of processing unit (plant), so that the groove to workpiece carries out milling.In the present embodiment, Matrix 10 and milling portion 20 are integrally formed, and matrix 10 and milling portion 20 are made of hard alloy, but not limited to this.

Matrix 10 is annular in shape.It is set in shaft 200 to 10 rotation stop of matrix.As shown in Fig. 2, the central axis 11 of matrix 10 It coincides with the rotor shaft direction of shaft 200.In the present embodiment, also set up in shaft 200 there are two grip block 201, two clamp Block 201 is set to the two sides of matrix 10 with fixing base 10, but not limited to this.

Referring to Fig. 1 to Fig. 3, milling portion 20 includes multiple cutter heads 21 and multiple chip spaces 22.Multiple cutter heads 21 by The periphery of matrix 10 protrude outward and multiple cutter heads 21 along matrix 10 peripheral distribution.One is formed between two adjacent cutter heads 21 Chip space 22.Each cutter head 21 includes the first extension 211 and the second extension 212 being connected.First extension 211 protrudes out In the periphery of matrix 10.Second extension 212 is protruded outward along the first extension 211 away from the direction of matrix 10.First extends 211 two sides of portion are set there are two the first cutting edge 2111.Second extension 212 is equipped with a third cutting edge 2122 and is located at third 2122 two sides of cutting edge and two coupled the second cutting edges 2121.Two the first cutting edges 2111 also are located at third cutting 2122 two sides of sword.One end of third cutting edge 2122 is connect by each second cutting edge 2121 with first cutting edge 2111. Two the first cutting edges, 2111, two the second cutting edges 2121 and third cutting edge 2122 are located at the edge of corresponding chip space 22 Place.Third cutting edge 2122, which puts the first edge on a knife or a pair of scissors, is oriented parallel to central axis 11.The substantially rectilinear shape of third cutting edge 2122.Third cutting edge 2122 carry out Milling Process for the bottom wall to workpiece groove to be processed.Two the second cutting edges 2121 are for respectively waiting for workpiece The two side walls for processing groove carry out Milling Process.Two the first cutting edges 2111 are used for respectively to the two of workpiece groove to be processed A side wall carries out milling chamfering.

In the present embodiment, the number of cutter head 21 is 40.

In the present embodiment, two the second cutting edges 2121 on each cutter head 21 are vertical with central axis 11 respectively.

Preferably, the diameter D of metal saw 100 is 24 millimeters.

Preferably, width L1 of the cutter head 21 along 11 direction of central axis is 2.67 millimeters.

Preferably, the long L2 range of the sword of third cutting edge 2122 is 1.04 millimeters to 1.06 millimeters.

Above-mentioned metal saw 100 includes two the first cutting edges, 2111, two the second cutting edges 2121 and third cutting edge 2122, in milling process, third cutting edge 2122 processes the bottom wall of work grooves, and two the second cutting edges 2121 divide The other two side walls to work grooves are processed, and two the first cutting edges 2111 respectively carry out the two side walls of work grooves Chamfering, cutting is more sharp, and cutter head more than 21 can reduce cutting resistance, reduces the abrasion of blade, extends metal saw 100 and uses Service life, meanwhile, clast caused by cutting can be discharged in time, will not accumulate so that workpiece slot surface finishing, avoid burr and The generation of knife mark improves the quality of processing, therefore, reduces the processing cost of workpiece.

In addition, those skilled in the art can also do other variations within the spirit of the present invention, certainly, these are according to this reality The variation made of novel spirit should all be included in the utility model range claimed.

Claims (9)

1. a kind of metal saw, including annular matrix and the milling portion being connected with described matrix, described matrix is for being external in To drive the metal saw to rotate in the shaft of one processing unit (plant), it is characterised in that: the milling portion includes multiple cutter heads, more A cutter head protruded outward by the periphery of described matrix and multiple cutter heads along described matrix peripheral distribution, adjacent two A chip space is formed between a cutter head, each cutter head includes the first extension and the second extension being connected, institute The periphery that the first extension convexedly stretches in described matrix is stated, second extension is along first extension away from described matrix Direction protrudes outward, and first extension two sides are set there are two the first cutting edge, and second extension is equipped with a third Cutting edge and it is located at third cutting edge two sides and two coupled the second cutting edges, two first cutting edges Positioned at third cutting edge two sides, each second cutting edge is by one end of the third cutting edge and one described first Cutting edge connection.

2. metal saw as described in claim 1, it is characterised in that: the number of the cutter head is 40.

3. metal saw as described in claim 1, it is characterised in that: the diameter of the metal saw is 24 millimeters.

4. metal saw as claimed in claim 3, it is characterised in that: the width of the cutter head is 2.67 millimeters.

5. metal saw as claimed in claim 4, it is characterised in that: the long range of sword of the third cutting edge is 1.04 millimeters To 1.06 millimeters.

6. metal saw as described in claim 1, it is characterised in that: the third cutting edge is linearly.

7. metal saw as described in claim 1, it is characterised in that: the putting the first edge on a knife or a pair of scissors of the third cutting edge is oriented parallel to described The central axis of matrix.

8. metal saw as described in claim 1, it is characterised in that: two second cutting edges respectively with described matrix Central axis.

9. metal saw as described in claim 1, it is characterised in that: described matrix and the milling portion are by hard alloy system At.