CN214053799U

CN214053799U - Four-edge cutting milling cutter with dust collection cover

Info

Publication number: CN214053799U
Application number: CN202022792266.8U
Authority: CN
Inventors: 蒋明明
Original assignee: Changzhou Chuangjin Tool Co ltd
Current assignee: Changzhou Chuangjin Tool Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-27
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a four sword cutting milling cutter with dust cage, including tool bit, end sword, knife tip, blade, cutting edge, chip groove, handle of a knife, dust cage, go-between, internal thread, bearing, external screw thread, blade holder, through-hole, positioning seat and positioning groove. The utility model has the advantages that: the tool bit, blade and handle of a knife are overall structure, tool bit and blade adopt tungsten carbide rigid alloy material, can improve milling cutter intensity, the blade is the four-blade structure, be convenient for fast and stable cutting drilling, cutting edge and chip groove all are the screw thread form, improve and mill efficiency, the dust cage is retractable ripple tubulose, dust cage and bearing are detachable screw thread and rotate the connection, be convenient for assemble or dismantle, the through-hole has four, can fix blade holder and lathe, positioning groove has four, the shock pad is established to the positioning seat, can improve the stability of this milling cutter when using, prevent that milling cutter from producing the vibration because of high-speed rotation, thereby improve milling cutter's security.

Description

Four-edge cutting milling cutter with dust collection cover

Technical Field

The utility model relates to a milling cutter specifically is a four-blade cutting milling cutter with dust cage, belongs to machining cutter technical field.

Background

A milling cutter is a rotary cutter which is used for milling and provided with one or more cutter teeth, the cutter teeth sequentially and intermittently cut off the allowance of a workpiece during working, the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine, when the milling cutter cuts the workpiece, the milling cutter often discharges milling scraps through a scrap discharge groove, and the cutter can splash the scraps in a high-speed rotating state, so that certain potential safety hazards exist, meanwhile, the scraps are scattered all around, and the centralized cleaning of the scraps in the later period is not convenient, so that the milling cutter with a dust collection cover needs to be designed.

The milling cutter structure that has now is comparatively simple, the first one, the material that milling cutter tool bit and blade used is comparatively ordinary, its hardness is lower, and can not resist high temperature, thereby lead to milling cutter's life shorter, consequently, can't use for a long time, the second one, milling cutter does not set up the dust cover, when milling the chip removal at milling cutter, because the cutter can make the sweeps scatter under the state of high-speed rotation, thereby be not convenient for the later stage to concentrate the clearance to the dust sweeps, the third one, traditional milling cutter does not set up the chip groove, the waste material that cuts is not convenient for discharge along with the pivoted blade, seriously influence chip removal efficiency, and then influence and mill efficiency, fourth one, the blade holder is connected unstably with the lathe, and do not set up the shock pad, lead to the tool bit drops when high-speed rotation mills, there is certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a four-blade milling cutter with a dust cage to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a four-edge cutting milling cutter with a dust hood comprises a cutter head, a bottom edge, a cutter tip, a cutter body, a cutter edge, a chip groove, a cutter handle, a dust hood, a connecting ring, an internal thread, a bearing, an external thread, a cutter seat, a through hole, a positioning seat and a positioning groove; the milling cutter comprises a cutter head, a cutter body, a cutter handle, a dust hood and an internal thread, wherein the cutter head is located at the front end of the milling cutter, the bottom edge is distributed on the side face of the front end of the cutter head, the cutter tip is located at the edge of the bottom edge, the cutter body is arranged at the rear end of the cutter head, the surface of the cutter body is arranged on the cutting edge, a chip discharge groove is formed between adjacent cutting edges, the cutter handle is located at the rear end of the cutter body, the dust hood is sleeved on the cutter handle, the connecting ring is arranged at the outer end of one side of the dust hood, the inner wall of the connecting ring is provided with the internal thread, a bearing is fixedly arranged on the cutter handle, the external thread is distributed on the surface of the bearing, the cutter holder is fixedly connected at the rear end of the cutter handle, the edge of the surface of the cutter holder is formed by a through hole, the positioning seat is welded and fixed at the center of the cutter holder, and the positioning groove is formed in the side face of the positioning seat.

Preferably, in order to improve the strength of the milling cutter, the cutter head, the cutter body and the cutter handle are of an integral structure, and the cutter head and the cutter body are made of tungsten carbide rigid alloy materials.

Preferably, in order to facilitate rapid and stable cutting and drilling, the bottom edges are four, and the blade body is in a four-edge structure.

Preferably, in order to discharge the waste scraps while cutting, the blade surface is uniformly distributed with blades and chip grooves, and the blades and the chip grooves are both in a thread shape.

Preferably, in order to facilitate assembly or disassembly of the dust collection cover, the dust collection cover is in a telescopic bellows shape, and the dust collection cover and the bearing are in detachable threaded rotary connection through the internal thread and the external thread of the connecting ring.

Preferably, in order to enable the bolts to pass through the through holes to fix the tool apron and the machine tool together, the through holes are four in number and are uniformly distributed on the tool apron.

Preferably, in order to improve the stability of the milling cutter in use, four positioning grooves are formed in the side face of the positioning seat, and a shock pad is fixedly arranged in a concave hole of the positioning seat.

The utility model has the advantages that: the four-blade cutting milling cutter with the dust hood is reasonable in design, the cutter head, the cutter body and the cutter handle are of an integral structure, the cutter head and the cutter body are made of tungsten carbide rigid alloy materials, the strength of the milling cutter can be improved, the milling cutter has longer service life, the cutter breaking phenomenon can be prevented during use, the safety is improved, four bottom blades are provided, the cutter body is of a four-blade structure, rapid and stable cutting and drilling are facilitated, meanwhile, the contact area of the four-blade milling cutter and a workpiece is large, so that the rigidity of the milling cutter can be improved, the cutter blades and the chip grooves are uniformly distributed on the surface of the cutter body, the cutter blades and the chip grooves are in a thread shape, waste chips can be discharged during cutting, the milling efficiency of the milling cutter is improved, the dust hood is in a telescopic corrugated pipe shape, the dust hood and the bearing are in a detachable threaded rotary connection through the internal threads and the external threads of the connecting ring, and the dust hood is convenient to assemble or disassemble, meanwhile, the dust collection cover can stretch out and draw back during cutting and drilling, milling scraps can be prevented from splashing, the flying scraps can be conveniently and intensively cleaned, the number of the through holes is four, the through holes are uniformly distributed on the tool apron, bolts can penetrate through the through holes to fix the tool apron and a machine tool together, the stress is uniform, long-time use is prevented from generating looseness, four positioning grooves are formed in the side face of the positioning seat, damping cushions are fixedly arranged in the concave holes of the positioning seat, the stability of the milling cutter during use can be improved, the milling cutter is prevented from vibrating due to high-speed rotation, and the safety of the milling cutter is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the tool bit of the present invention;

FIG. 3 is a schematic view of the dust collecting cover connection structure of the present invention;

fig. 4 is a schematic view of the structure of the knife holder of the present invention.

In the figure: 1. the tool bit, 2, a bottom edge, 3, a tool tip, 4, a tool body, 5, a cutting edge, 6, a chip groove, 7, a tool handle, 8, a dust collection cover, 9, a connecting ring, 10, an internal thread, 11, a bearing, 12, an external thread, 13, a tool apron, 14, a through hole, 15, a positioning seat, 16 and a positioning groove.

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 four-edge milling cutter with a dust hood includes a cutter head 1, a bottom blade 2, a cutter tip 3, a cutter body 4, a blade 5, a chip groove 6, a cutter handle 7, a dust hood 8, a connecting ring 9, an internal thread 10, a bearing 11, an external thread 12, a cutter seat 13, a through hole 14, a positioning seat 15 and a positioning groove 16; the milling cutter comprises a cutter head 1, a cutter body 4, a cutter handle 7, a dust collection cover 8 and internal threads 10, wherein the cutter head 1 is arranged at the front end of the milling cutter, the bottom edge 2 is distributed on the side surface of the front end of the cutter head 1, the cutter tip 3 is arranged at the edge of the bottom edge 2, the cutter body 4 is arranged at the rear end of the cutter head 1, the cutting edges 5 are arranged on the surface of the cutter body 4, the chip discharge grooves 6 are formed between the adjacent cutting edges 5, the cutter handle 7 is arranged at the rear end of the cutter body 4, the dust collection cover 8 is sleeved on the cutter handle 7, the connecting ring 9 is arranged at the outer end of one side of the dust collection cover 8, the internal threads 10 are arranged on the inner wall of the connecting ring 9, the bearing 11 is fixedly arranged on the cutter handle 7, the external threads 12 are distributed on the surface of the bearing 11, the cutter holder 13 is fixedly connected at the rear end of the cutter handle 7, the through hole 14 is formed at the edge of the surface of the cutter holder 13, and the positioning seat 15 is welded and fixed at the center of the cutter holder 13, the positioning groove 16 is formed in the side surface of the positioning seat 15.

The milling cutter is characterized in that the cutter head 1, the cutter body 4 and the cutter handle 7 are of an integral structure, the cutter head 1 and the cutter body 4 are made of tungsten carbide rigid alloy materials, the strength of the milling cutter can be improved, the milling cutter has a long service life, the cutter collapse phenomenon can be prevented during use, the safety is improved, four bottom blades 2 are provided, the cutter body 4 is of a four-blade structure, rapid and stable cutting and drilling are facilitated, meanwhile, the contact area of the four-blade milling cutter and a workpiece is large, so that the rigidity of the milling cutter can be improved, cutting blades 5 and chip discharge grooves 6 are uniformly distributed on the surface of the cutter body 4, the cutting blades 5 and the chip discharge grooves 6 are in a thread shape, waste chips can be discharged during cutting, the milling efficiency of the milling cutter is improved, the dust collection cover 8 is in a telescopic corrugated pipe shape, and the dust collection cover 8 and the bearing 11 are in a detachable thread rotation connection through an internal thread 10 and an external thread 12 of the connecting ring 9, be convenient for assemble or dismantle dust cage 8, dust cage 8 can stretch out and draw back at cutting drilling during operation simultaneously, also can avoid milling the sweeps to splash to be convenient for concentrate the clearance to flying the bits, through-hole 14 has four, and through-hole 14 evenly distributed on blade holder 13, makes the bolt pass through-hole 14 and can be in the same place blade holder 13 and lathe are fixed, and the atress is even simultaneously, avoids long-time use to produce not hard up, positioning groove 16 has seted up four in positioning seat 15 side, and positioning seat 15 shrinkage pool internal fixation has the shock pad, can improve the stability of this milling cutter when using, prevents that milling cutter from producing the vibration because of high-speed rotation, thereby improves milling cutter's security.

The working principle is as follows: when the four-blade cutting milling cutter with the dust hood is used, firstly, the bearing 11 is fixedly arranged on the cutter handle 7, then the dust hood 8 with the connecting ring 9 is fixedly arranged on the outer side of the bearing 11 through the internal thread 10 and the external thread 12, then, the shock absorption pad is arranged in the concave hole of the positioning seat 15, the cutter seat 13 is arranged on the machine tool through the positioning groove 16 of the positioning seat 15, and finally, the cutter seat 13 is fixed on the machine tool through the through hole 14, so that the milling cutter can be fixed, before the use, the cutter head 1 is arranged above a workpiece to be processed, the dust hood 8 is stretched and the dust hood 8 is contacted with the workpiece, the machine tool is opened, the workpiece is cut through the bottom blade 2 at the position of the cutter head 1 and the blade 5 on the surface of the cutter body 4, during the period, the waste materials of cutting can be discharged through the discharge head 6, so that the milling efficiency is improved, the dust cage 8 is compressed and folded along with the milling cutter, so that the scraps are not splashed everywhere through the dust cage 8, and then the scraps can be intensively cleaned.

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 four-edge cutting milling cutter with dust cage which characterized in that: the special tool comprises a tool bit (1), a bottom edge (2), a tool tip (3), a tool body (4), a tool edge (5), a chip groove (6), a tool handle (7), a dust collection cover (8), a connecting ring (9), an internal thread (10), a bearing (11), an external thread (12), a tool apron (13), a through hole (14), a positioning seat (15) and a positioning groove (16); the milling cutter comprises a cutter head (1), a cutter body (4), a cutter handle (7), a dust hood (8) and internal threads (10), wherein the cutter head (1) is located at the front end of the milling cutter, the bottom edge (2) is distributed on the side face of the front end of the cutter head (1), a cutter tip (3) is located at the edge of the bottom edge (2), the cutter body (4) is arranged at the rear end of the cutter head (1), the cutting edges (5) are arranged on the surface of the cutter body (4), chip grooves (6) are formed between the adjacent cutting edges (5), the cutter handle (7) is located at the rear end of the cutter body (4), the dust hood (8) is sleeved on the cutter handle (7), the connecting ring (9) is arranged at the outer end of one side of the dust hood (8), the inner wall of the cutter handle (9) is provided with the internal threads (10), the bearing (11) is fixed on the cutter handle (7), and the external threads (12) are distributed on the surface of the bearing (11), the tool apron (13) is fixedly connected to the rear end of the tool shank (7), the through hole (14) is formed in the edge of the surface of the tool apron (13), the positioning seat (15) is welded and fixed in the center of the tool apron (13), and the positioning groove (16) is formed in the side face of the positioning seat (15).

2. A four-edged cutting milling cutter with a dust collection cover according to claim 1, wherein: the tool bit (1), the tool body (4) and the tool handle (7) are of an integral structure, and the tool bit (1) and the tool body (4) are made of tungsten carbide rigid alloy materials.

3. A four-edged cutting milling cutter with a dust collection cover according to claim 1, wherein: the number of the bottom blades (2) is four, and the knife body (4) is of a four-blade structure.

4. A four-edged cutting milling cutter with a dust collection cover according to claim 1, wherein: blade (4) surface evenly distributed has cutting edge (5) and chip groove (6), and cutting edge (5) and chip groove (6) all are the screw thread form.

5. A four-edged cutting milling cutter with a dust collection cover according to claim 1, wherein: the dust collection cover (8) is in a telescopic corrugated pipe shape, and the dust collection cover (8) and the bearing (11) are in detachable threaded rotary connection through the internal thread (10) and the external thread (12) of the connecting ring (9).

6. A four-edged cutting milling cutter with a dust collection cover according to claim 1, wherein: the number of the through holes (14) is four, and the through holes (14) are uniformly distributed on the tool apron (13).

7. A four-edged cutting milling cutter with a dust collection cover according to claim 1, wherein: four positioning grooves (16) are formed in the side face of the positioning seat (15), and a shock pad is fixedly arranged in a concave hole of the positioning seat (15).