CN209953879U

CN209953879U - Tungsten steel milling cutter with circular arc formula oil groove

Info

Publication number: CN209953879U
Application number: CN201920710818.0U
Authority: CN
Inventors: 熊文豪
Original assignee: Changzhou Lihao Tools Co Ltd
Current assignee: Changzhou Lihao Tools Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-01-17
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a tungsten steel milling cutter with circular arc formula oil groove, including spliced pole, butt joint post, butt joint recess, fastening screw, fastening block, milling cutter body, bleeder vent, first oil tank mouth, milling blade, second oil tank mouth, oil inlet, milling cutter top seal mouth and the inside fastening block of milling cutter. The utility model has the advantages that: milling cutter body is discoid, and pass the screw on fastening block and the spliced pole through fastening screw and carry out the screw and revolve wrong butt joint fastening, and the fastening block is provided with two altogether and is the setting of front and back symmetry formula joint on milling cutter body, prevent to receive damaged needs to change often unable change at the blade, first oil notch and second oil notch and oil inlet carry out through connections through hollow structure, and first oil notch and second oil notch all run through the setting on the recess lateral wall of milling cutter edge, prevent that the oil output is not enough and can not reach the effect of ideal.

Description

Tungsten steel milling cutter with circular arc formula oil groove

Technical Field

The utility model relates to a tungsten steel milling cutter specifically is a tungsten steel milling cutter with circular arc formula oil groove, belongs to tungsten steel milling cutter technical field.

Background

The milling cutter refers to a cutter with the length of the arc part being larger than 1/4 circles, in the process of die machining, the machining face of a part of a small workpiece is provided with a draft angle, a common R-angle cutter is long in blade length, the rigidity strength of the cutter is reduced, the strength and the rigidity of the cutter cannot meet requirements, the service life of the cutter is short, in order to enhance the strength and the rigidity of the cutter and enhance the service life of the cutter, a short-blade strong type milling cutter is designed for improving the rigidity and the strength and ensuring the precision of the die, the die is machined in place at one time, when the workpiece is subjected to hole machining, the hole is roughly machined, then the hole is finely machined, and finally the inlet end of the hole is chamfered, so that the machining method needs three tools, needs to clamp the tool for three times, the clamping time is long, and the; meanwhile, after three times of clamping, positioning errors exist, and the machining precision is reduced.

Therefore, a tungsten steel milling cutter with an arc-shaped oil groove is needed to meet the current market demand, although various tungsten steel milling cutters with the arc-shaped oil grooves are produced on the current market, in general, a lot of common defects still exist, firstly, the connection between the middle connecting column and the bottom of the existing tungsten steel milling cutter with the arc-shaped oil groove is unstable, so that the falling-off phenomenon between components is generated due to the fact that the connection is not fastened when the tungsten steel milling cutter works, secondly, the cutter body of the existing tungsten steel milling cutter with the arc-shaped oil groove is connected in a welding mode, so that the cutter body cannot be replaced when the cutter body is damaged and needs to be replaced, and thirdly, only one oil outlet is arranged on the existing tungsten steel milling cutter with the arc-shaped oil groove, so that the oil outlet amount is insufficient, and the ideal effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tungsten steel milling cutter with circular arc formula oil groove just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a tungsten steel milling cutter with an arc-shaped oil groove comprises a connecting column, a butt-joint groove, a fastening screw hole, a fastening block, a milling cutter body, an air hole, a first oil groove opening, a milling cutter edge, a second oil groove opening, an oil inlet, a milling cutter top sealing opening and a milling cutter internal fastening block; the spliced pole is located between butt joint post and the milling cutter body, butt joint post welding sets up the bottom at the spliced pole, the butt joint recess is the indent formula setting in the bottom port department of butt joint post, the fastening screw sets up on the butt joint post, the fastening piece fastening sets up the tie point at milling cutter body and spliced pole, the bleeder vent sets up on the lateral wall of milling cutter body, first oil groove sets up on the left side inner wall of milling cutter edge, it sets up on milling cutter body to mill the cutting edge welding, second oil groove sets up on milling cutter edge's right side inner wall, the oil inlet sets up on the spliced pole, milling cutter top sealing port sets up the top at milling cutter body, the inside fastening piece fastening of milling cutter sets up the inside at milling cutter body.

Preferably, in order to prevent the components from falling off due to loose connection during operation, the diameter of the connecting column is larger than that of the butt-joint column and smaller than that of the milling cutter body, and the oil inlets are vertically arranged and penetrate through the side wall of the connecting column.

Preferably, in order to guarantee the compactness of being connected with external equipment, the butt joint post carries out disposable welding through high temperature cold extraction seamless welding pressure technology and sets up in the bottom of spliced pole, and the butt joint recess is the bottom of longitudinal symmetry formula indent setting at the butt joint post.

Preferably, receive damaged unable change often in order to prevent to receive at the blade when needing to change, the milling blade body is discoid to pass the screw on fastening block and the spliced pole through fastening screw and carry out the screw and revolve wrong butt joint fastening, and the fastening block is provided with two altogether and is the setting of symmetry formula joint on the milling cutter body.

Preferably, in order to prevent the oil outlet quantity from being insufficient and not achieving ideal effect, the first oil notch and the second oil notch are communicated with the oil inlet through a hollow structure, and the first oil notch and the second oil notch are arranged on the side wall of the groove of the milling cutter in a penetrating mode.

The utility model has the advantages that: the tungsten steel milling cutter with the arc-shaped oil grooves is reasonable in design, the diameter of the connecting column is larger than that of the butting column and smaller than that of the milling cutter body, the oil inlet is vertically arranged and penetrates through the side wall of the connecting column, the phenomenon that components fall off due to untightening connection in working is prevented, the butting column is welded at the bottom of the connecting column at one time through a high-temperature cold-extraction seam-free welding technology, the butting grooves are symmetrically arranged at the front and back of the butting column in a concave mode and are arranged at the bottom of the butting column in a concave mode, the tightness of connection with external equipment is guaranteed, the milling cutter body is disc-shaped, the fastening screws penetrate through the fastening blocks and screw holes in the connecting column to be screwed, butted and fastened, the fastening blocks are arranged on the milling cutter body in a clamping mode, the milling cutter body is prevented from being damaged and cannot be replaced when the milling cutter body is damaged, and the first oil groove opening and, and first oil notch and second oil notch all run through the setting on the recess lateral wall of milling the cutting edge, prevent that the oil output is not enough and not reach ideal effect.

Drawings

FIG. 1 is a front view of the present invention;

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

FIG. 3 is a bottom view of the present invention;

fig. 4 is a schematic cross-sectional view of the present invention.

In the figure: 1. spliced pole, 2, butt joint post, 3, butt joint recess, 4, fastening screw, 5, fastening block, 6, milling cutter body, 7, bleeder vent, 8, first oil notch, 9, milling cutter sword, 10, second oil notch, 11, oil inlet, 12, milling cutter top sealing port and 13, the inside fastening block of milling cutter.

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 to 4, a tungsten steel milling cutter with an arc-shaped oil groove comprises a connecting column 1, a butt-joint column 2, a butt-joint groove 3, a fastening screw hole 4, a fastening block 5, a milling cutter body 6, an air hole 7, a first oil notch 8, a milling cutter edge 9, a second oil notch 10, an oil inlet 11, a milling cutter top sealing opening 12 and a milling cutter internal fastening block 13; spliced pole 1 is located between butt joint post 2 and the milling cutter body 6, butt joint post 2 welds the bottom that sets up at spliced pole 1, butt joint recess 3 is indent formula setting in butt joint post 2's bottom port department, fastening screw 4 sets up on butt joint post 2, fastening block 5 fastens the tie point that sets up at milling cutter body 6 and spliced pole 1, bleeder vent 7 sets up on milling cutter body 6's lateral wall, first oil notch 8 sets up on milling cutter edge 9's left side inner wall, milling cutter edge 9 welds and sets up on milling cutter body 6, second oil notch 10 sets up on milling cutter edge 9's right side inner wall, oil inlet 11 sets up on spliced pole 1, milling cutter top seal mouth 12 sets up at milling cutter body 6's top, the inside fastening of milling cutter piece 13 fastening setting is in milling cutter body 6's inside.

The diameter of the connecting column 1 is larger than that of the butt-joint column 2 and smaller than that of the milling cutter body 6, the oil inlets 11 are vertically arranged and penetrate through the side wall of the connecting column 1, the phenomenon that the components fall off due to untightening connection is prevented when the butt-joint column works, the butt-joint column 2 is welded at the bottom of the connecting column 1 at one time through a high-temperature cold-extraction seamless welding pressing technology, the butt-joint grooves 3 are symmetrically arranged at the front and back of the butt-joint column in a concave mode, the tightness of connection with external equipment is ensured, the milling cutter body 6 is disc-shaped, the fastening screws penetrate through the fastening blocks 5 and the screw holes in the connecting column 1 to be screwed, butted and fastened, the fastening blocks 5 are provided with two clamping blocks which are symmetrically arranged on the milling cutter body 6 at the front and back, the situation that the cutter body cannot be replaced when being damaged is required is prevented, and the first oil notch 8 and the second oil notch 10 are communicated, and first oil notch 8 and second oil notch 10 all run through the setting on the recess lateral wall of milling cutter sword 9, prevent that the oil output is not enough and reach the effect of ideal.

The working principle is as follows: when the tungsten steel milling cutter with the arc-shaped oil grooves is used, the milling cutter body 6 penetrates through the fastening block 5 and the screw hole in the connecting column 1 through the fastening screw to be screwed, butted and fastened in a threaded manner, connection fastening is guaranteed, the milling cutter body 6 is prevented from falling off in work, then the external oil pipe is butted with the oil inlet 11, and the butting column 2 and external equipment are butted and connected through the butting groove 3.

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.

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 tungsten steel milling cutter with circular arc formula oil groove which characterized in that: the milling cutter comprises a connecting column (1), a butt-joint column (2), a butt-joint groove (3), a fastening screw hole (4), a fastening block (5), a milling cutter body (6), an air hole (7), a first oil groove opening (8), a milling cutter blade (9), a second oil groove opening (10), an oil inlet (11), a milling cutter top sealing opening (12) and a milling cutter internal fastening block (13); the connecting column (1) is located between the butt joint column (2) and the milling cutter body (6), the butt joint column (2) is welded and arranged at the bottom of the connecting column (1), the butt joint groove (3) is concave and arranged at the bottom port of the butt joint column (2), the fastening screw hole (4) is arranged on the butt joint column (2), the fastening block (5) is fastened and arranged at the connecting point of the milling cutter body (6) and the connecting column (1), the air hole (7) is arranged on the side wall of the milling cutter body (6), the first oil groove opening (8) is arranged on the inner wall of the left side of the milling cutter edge (9), the milling cutter edge (9) is welded and arranged on the milling cutter body (6), the second oil groove opening (10) is arranged on the inner wall of the right side of the milling cutter edge (9), the oil inlet (11) is arranged on the connecting column (1), and the sealing port (12) at the top of the milling cutter body (6) is arranged at the top of the milling cutter body, the milling cutter internal fastening block (13) is fastened and arranged inside the milling cutter body (6).

2. The tungsten steel milling cutter with the circular arc type oil groove as claimed in claim 1, wherein: the diameter of the connecting column (1) is larger than that of the butt-joint column (2) and smaller than that of the milling cutter body (6), and the oil inlets (11) are vertically arranged and penetrate through the side wall of the connecting column (1).

3. The tungsten steel milling cutter with the circular arc type oil groove as claimed in claim 1, wherein: the butt joint column (2) is welded at the bottom of the joint column (1) at one time through a high-temperature cold-extraction seamless welding technology, and the butt joint groove (3) is symmetrically arranged at the bottom of the butt joint column (2) in a concave mode in a front-back mode.

4. The tungsten steel milling cutter with the circular arc type oil groove as claimed in claim 1, wherein: milling cutter body (6) are discoid to pass fastening block (5) and the screw on spliced pole (1) through fastening screw and carry out the screw and revolve wrong butt joint fastening, and fastening block (5) are provided with two altogether and are symmetrical formula joint setting around on milling cutter body (6).

5. The tungsten steel milling cutter with the circular arc type oil groove as claimed in claim 1, wherein: the first oil groove opening (8) and the second oil groove opening (10) are communicated with the oil inlet (11) through a hollow structure, and the first oil groove opening (8) and the second oil groove opening (10) are arranged on the side wall of the groove of the milling cutter edge (9) in a penetrating mode.