CN212599202U

CN212599202U - Saw blade milling cutter convenient to install and disassemble

Info

Publication number: CN212599202U
Application number: CN202021053877.4U
Authority: CN
Inventors: 马海善
Original assignee: Changzhou Haili Tool Co ltd
Current assignee: Changzhou Haili Tool Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-26
Anticipated expiration: 2030-06-10

Abstract

The utility model relates to the technical field of milling cutters, in particular to a saw blade milling cutter convenient for installation and disassembly, which solves the defect that the prior art is inconvenient for disassembly and assembly, and comprises a milling cutter disc, a cutting edge and a cutter handle, wherein the cutting edge is uniformly arranged at the edge of the milling cutter disc, one end of the milling cutter disc is provided with a countersunk groove, the center of one end of the cutter handle is provided with a second positioning column, the center of the milling cutter disc is provided with a central through hole matched with the second positioning column, the inner side wall of the central through hole is provided with a positioning ring, the abrasion of the cutter handle caused by the vibration of the milling cutter is reduced, the milling cutter disc is uniformly provided with a first positioning column, a threaded hole and a positioning bolt, the milling cutter disc can be pre-positioned before being fixed, the assembly speed is improved, the inside of the milling cutter disc is provided with, the oil duct is communicated with the threaded hole, so that the positioning bolt can be prevented from being stuck and seized, and the oil duct is convenient to disassemble.

Description

Saw blade milling cutter convenient to install and disassemble

Technical Field

The utility model relates to a milling cutter technical field specifically is a saw bit milling cutter convenient to installation is dismantled.

Background

The saw blade milling cutter is a saw blade and a milling cutter, is mainly used for processing or cutting narrow and deep grooves of metal materials below medium hardness such as iron, aluminum, copper and the like, can also be used for milling nonmetal such as plastics, wood and the like, and is a superhard material saw blade milling cutter, wherein a hard alloy saw blade is mainly used for milling hard-to-cut materials (high-strength steel such as heat-resistant steel, stainless steel and the like), most of the saw blade milling cutters are made of high-speed steel, hard alloy and the like, the hardness of the hard alloy is higher than that of the high-speed steel, the cutting force is strong, the rotating speed and the feed rate can be improved, the productivity is improved, but the cutter is not obvious, the difficult-to-process materials such as stainless steel, titanium alloy and the like can be processed, the cost is higher;

current milling cutter produces a large amount of heats when the cutting, leads to positioning bolt and milling cutter main part to take place to adhere easily and sting, can not carry out relative slip between bolt and the milling cutter, and the installation of being not convenient for dismantle, milling cutter during operation, milling cutter's vibration causes the wearing and tearing of handle of a knife easily, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a saw bit milling cutter convenient to installation is dismantled to the positioning bolt who proposes takes place easily to adhere to and bites dying in solving above-mentioned background art, is not convenient for dismantle the installation and causes the wear problem of handle of a knife easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a saw bit milling cutter convenient to installation is dismantled, includes milling cutter dish, cutting edge and handle of a knife, the cutting edge evenly sets up the edge at milling cutter dish, milling cutter dish's one end is provided with the countersunk groove, and countersunk groove and handle of a knife match each other, the center department of handle of a knife one end is provided with the second reference column, milling cutter dish's center department is provided with the central through-hole that matches each other with the second reference column, be provided with the holding ring on the inside wall of central through-hole, evenly be provided with the screw hole on the milling cutter dish of countersunk groove inside, and the inside threaded connection of screw hole has positioning bolt, milling cutter dish's inside is provided with annular oil storage chamber, and the inboard in oil storage chamber evenly is provided with the oil duct, oil duct and screw hole intercommunication, the one end that milling cutter dish kept away from the.

Preferably, one end of the milling cutter head close to the cutter handle is uniformly provided with a first positioning column, and one end of the cutter handle is uniformly provided with a positioning groove matched with the first positioning column.

Preferably, an annular limiting plate is arranged at one end, far away from the cutter handle, of the inner side of the central through hole, and the inner diameter of the limiting plate is smaller than that of the positioning ring.

Preferably, the cutting edge is coated with a diamond coating.

Preferably, an elastic cushion pad is arranged on the inner side wall of the positioning ring, positioning clamping blocks are uniformly arranged on the outer side wall of the positioning ring, and clamping grooves matched with the positioning clamping blocks are uniformly formed in the side wall of the central through hole.

Preferably, one end of the cutter handle is uniformly provided with mounting holes matched with the positioning bolts.

Compared with the prior art, the beneficial effects of the utility model are that: the saw blade milling cutter convenient for mounting and dismounting

(1) An annular oil storage cavity is arranged in the milling cutter disc and is communicated with the threaded hole through an oil duct, a sealing plug and an oil injection port are arranged at one end of the oil storage cavity, lubricating oil can be conveniently injected into the oil storage cavity through the oil injection port, and therefore the problem that a positioning bolt is stuck to the milling cutter disc and is inconvenient to disassemble and install is avoided;

(2) the positioning ring is arranged in the middle of the central through hole, the elastic cushion pad is arranged on the inner side of the positioning ring, and the elastic cushion pad is in flexible contact with the second positioning column on the cutter handle, so that the effects of buffering and damping can be achieved, the abrasion of the cutter handle caused by the vibration of the milling cutter is reduced, the concentricity of the cutter handle and the milling cutter can be improved, and the axes of the milling cutter and the cutter handle are on the same straight line;

(3) the first positioning columns are uniformly arranged at one end of the milling cutter disc, the positioning grooves matched with the first positioning columns are formed in the cutter handle, and the first positioning columns are inserted into the positioning grooves before installation, so that the milling cutter can be pre-positioned, the threaded holes in the milling cutter disc and the cutter handle are mutually corresponding, and the assembling speed is improved;

(4) by coating the diamond coating on the cutting edge, the diamond is a solid substance with the highest hardness, has stable property and good wear resistance, can improve the hardness of the surface of the milling cutter, prolongs the service life of the milling cutter and reduces the cost.

Drawings

Fig. 1 is a schematic view of the bottom structure of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

fig. 3 is a schematic view of the positioning ring of the present invention.

In the figure: 1. a milling cutter disc; 101. a countersunk groove; 102. a central through hole; 103. a limiting plate; 2. a threaded hole; 3. a first positioning post; 4. a cutting edge; 5. a positioning ring; 501. positioning a fixture block; 502. an elastic cushion pad; 6. an oil storage chamber; 601. an oil passage; 602. a sealing plug; 603. an oil filling port; 7. a knife handle; 701. a second positioning column; 8. and (6) positioning the bolt.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a saw blade milling cutter convenient to mount and dismount comprises a milling cutter disc 1, cutting edges 4 and a cutter handle 7, wherein the cutting edges 4 are uniformly arranged at the edge of the milling cutter disc 1, and diamond coatings are coated on the cutting edges 4, so that the hardness of the surface of the milling cutter can be improved, the service life of the milling cutter can be prolonged, and the cost can be reduced;

one end of the milling cutter head 1 is provided with a countersunk groove 101, the countersunk groove 101 is matched with the cutter handle 7, the center of one end of the cutter handle 7 is provided with a second positioning column 701, the center of the milling cutter head 1 is provided with a central through hole 102 matched with the second positioning column 701, the inner side wall of the central through hole 102 is provided with a positioning ring 5, the inner side wall of the positioning ring 5 is provided with an elastic buffer pad 502, the outer side wall of the positioning ring 5 is uniformly provided with positioning fixture blocks 501, the side wall of the central through hole 102 is uniformly provided with clamping grooves matched with the positioning fixture blocks 501, so that the effects of buffering and shock absorption can be achieved, the abrasion of the cutter handle 7 can be;

an annular limiting plate 103 is arranged at one end, away from the cutter handle 7, of the inner side of the central through hole 102, the inner diameter of the limiting plate 103 is smaller than that of the positioning ring 5, one end of the positioning ring 5 can be limited, the other end of the positioning ring 5 abuts against the cutter handle 7, and the positioning ring 5 is prevented from being thrown out under the action of centrifugal force when the milling cutter works;

threaded holes 2 are uniformly formed in the milling cutter disc 1 in the countersunk head groove 101, positioning bolts 8 are connected to the inner threads of the threaded holes 2, mounting holes matched with the positioning bolts 8 are uniformly formed in one end of the cutter handle 7, and the cutter handle 7 and the milling cutter disc 1 can be fixed;

the end, close to the cutter handle 7, of the milling cutter head 1 is uniformly provided with first positioning columns 3, one end of the cutter handle 7 is uniformly provided with positioning grooves matched with the first positioning columns 3, the first positioning columns 3 are arranged on the cutter handle 7, the positioning grooves matched with the first positioning columns 3 are formed in the cutter handle 7, and before installation and fixation, the first positioning columns 3 are inserted into the positioning grooves, so that pre-positioning of the milling cutter head 1 can be realized, the cutter handle 7 and the threaded holes 2 in the milling cutter head 1 are enabled to correspond to each other, and the assembly speed is improved;

milling cutter dish 1's inside is provided with annular oil storage chamber 6, and the inboard in oil storage chamber 6 evenly is provided with oil duct 601, and oil duct 601 and screw hole 2 intercommunication, milling cutter dish 1 keep away from the one end of handle of a knife 7 and be provided with oiling mouth 603, and the internal thread connection of oiling mouth 603 has sealing plug 602, can give positioning bolt 8 additional lubrication oil, avoids it to adhere to sting, convenient to detach installation.

The working principle is as follows: when in installation, the positioning ring 5 is firstly inserted into the central through hole 102 and is limited by the positioning fixture block 501 and the limiting plate 103, the elastic cushion 502 can play a role in shock absorption, reduce the abrasion to the tool shank 7, then the first positioning column 3 is aligned with the inside of the positioning groove at one end of the cutter handle 7, the second positioning column 701 is inserted into the center through hole 102, the pre-positioning of the milling cutter head 1 can be completed through the first positioning column 3, then the positioning bolt 8 is inserted into the threaded hole 2 to fix the milling cutter disc 1 and the cutter handle 7, and when the milling cutter works, the workpiece is cut by the cutting edge 4 rotating at high speed, and by the diamond coating on the cutting edge 4, can improve cutting edge 4's hardness, when needing to dismantle, can open sealing plug 602, pour into lubricating oil into to the inside of oil duct 601 through oiling mouth 603, be convenient for unscrew positioning bolt 8, avoid positioning bolt 8 to adhere to and sting.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. The utility model provides a saw bit milling cutter convenient to installation is dismantled, includes milling cutter dish (1), cutting edge (4) and handle of a knife (7), its characterized in that: the cutting edge (4) is uniformly arranged at the edge of the milling cutter disc (1), a countersunk groove (101) is formed in one end of the milling cutter disc (1), the countersunk groove (101) is matched with the cutter handle (7) mutually, a second positioning column (701) is arranged at the center of one end of the cutter handle (7), a central through hole (102) matched with the second positioning column (701) is formed in the center of the milling cutter disc (1), a positioning ring (5) is arranged on the inner side wall of the central through hole (102), a threaded hole (2) is uniformly formed in the milling cutter disc (1) inside the countersunk groove (101), a positioning bolt (8) is connected to the inner thread of the threaded hole (2), an annular oil storage cavity (6) is formed in the milling cutter disc (1), an oil duct (601) is uniformly arranged on the inner side of the oil storage cavity (6), and the oil duct (601) is communicated with the threaded hole (2), one end, far away from the cutter handle (7), of the milling cutter head (1) is provided with an oil filling port (603), and the inner thread of the oil filling port (603) is connected with a sealing plug (602).

2. The saw blade milling cutter facilitating mounting and dismounting as claimed in claim 1, wherein: one end of the milling cutter head (1) close to the cutter handle (7) is uniformly provided with a first positioning column (3), and one end of the cutter handle (7) is uniformly provided with positioning grooves matched with the first positioning column (3).

3. The saw blade milling cutter facilitating mounting and dismounting as claimed in claim 1, wherein: an annular limiting plate (103) is arranged at one end, far away from the knife handle (7), of the inner side of the central through hole (102), and the inner diameter of the limiting plate (103) is smaller than that of the positioning ring (5).

4. The saw blade milling cutter facilitating mounting and dismounting as claimed in claim 1, wherein: the cutting edge (4) is coated with a diamond coating.

5. The saw blade milling cutter facilitating mounting and dismounting as claimed in claim 1, wherein: an elastic cushion pad (502) is arranged on the inner side wall of the positioning ring (5), positioning clamping blocks (501) are uniformly arranged on the outer side wall of the positioning ring (5), and clamping grooves matched with the positioning clamping blocks (501) are uniformly formed in the side wall of the central through hole (102).

6. The saw blade milling cutter facilitating mounting and dismounting as claimed in claim 1, wherein: and one end of the knife handle (7) is uniformly provided with mounting holes matched with the positioning bolts (8).