CN217412587U

CN217412587U - Stainless steel milling cutter with internal cooling hole

Info

Publication number: CN217412587U
Application number: CN202220917854.6U
Authority: CN
Inventors: 叶忠
Original assignee: Changzhou Baoke Precision Tools Co ltd
Current assignee: Changzhou Baoke Precision Tools Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-09-13
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a stainless steel milling cutter with interior cold spot, including cutter arbor, tool bit and interior cold spot. The utility model has the advantages that: the utility model is provided with the inner cooling hole, the inner cooling liquid channel, the inner cooling liquid branch and the inner cooling liquid outlet, when in use, the inner cooling liquid is injected into the inner cooling hole, so that the inner cooling liquid can flow through the inner cooling liquid channel and the inner cooling liquid branch and then flow out through the inner cooling liquid outlet, thereby quickly taking away the heat generated inside the cutter head and avoiding the damage of high temperature to the cutter head to influence the processing effect; the utility model discloses a surface winding at the tool bit is provided with a plurality of chip grooves, can in time clear up the sweeps that mill the production, avoids the sweeps to pile up near the tool bit and causes wearing and tearing to the cutting edge, has the centering through the lower extreme central point fixed mounting at the tool bit moreover, can fix a position fast milling workpiece, improves and mills the precision.

Description

Stainless steel milling cutter with internal cooling hole

Technical Field

The utility model relates to a milling cutter specifically is a stainless steel milling cutter with interior cold bore, belongs to milling cutter technical field.

Background

With the development of science and technology, various composite materials are increasingly applied to the industry, so that milling of composite materials is required to be carried out by using a milling cutter, the stainless steel milling cutter is a rotary cutter which is made of stainless steel and used for milling and provided with a plurality of cutter teeth, the cutter teeth are used for cutting off the allowance of a workpiece intermittently in sequence during operation, the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine, and the milling cutter can be used for milling some workpieces very conveniently and rapidly, so that the workpieces can be formed into required shapes.

The existing stainless steel milling cutter has some problems when in use:

1) the existing stainless steel milling cutter can generate a large amount of heat in the milling process and cannot well cool, so that the stainless steel milling cutter deforms due to overheating, and further the machining effect of the stainless steel milling cutter on a workpiece is possibly poor;

2) the existing stainless steel milling cutter often accumulates scraps near a cutter head during machining, abrasion is caused to a cutting edge, and a workpiece cannot be quickly positioned during milling, so that the milling progress is influenced.

Disclosure of Invention

The object of the present invention is to provide a stainless steel milling cutter with an internal cooling hole to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a stainless steel milling cutter with internal cooling holes comprises

The cutter bar is fixedly connected with an installing head, a connecting thread is arranged on the outer surface of the installing head, and the cutter bar is connected with a machine tool through the matching between the installing head and the connecting thread;

the cutter head is fixedly connected to the lower end of the cutter rod, and cutting edges are fixedly arranged on two sides of the lower end of the cutter head;

and the internal cooling hole is fixedly arranged on one side rod body of the cutter bar, and a sealing plug is embedded in the internal cooling hole.

As a further aspect of the present invention: and a limiting hole is fixedly formed in the center of the upper end of the mounting head.

As a further aspect of the present invention: the cutter bar is provided with an inner cooling liquid channel through the interior of the cutter bar and the cutter head, a plurality of inner cooling liquid branches are arranged on one side of the inner cooling liquid channel, one end, far away from the inner cooling liquid channel, of each inner cooling liquid branch is communicated with an inner cooling liquid outlet arranged on the surface of the cutter head, and a plurality of inner cooling liquid outlets are arranged.

As a further aspect of the present invention: the cutting edge is provided with three, and the surface of every cutting edge all is provided with anti rust coating.

As a further aspect of the present invention: the surface winding of tool bit is provided with a plurality of chip grooves.

As a further aspect of the present invention: the lower extreme central point of tool bit puts fixed mounting to have the centering.

As a further aspect of the present invention: the cutter arbor and tool bit all adopt stainless steel material to make, and the outside of cutter arbor and tool bit still is provided with nanometer superhard coating.

The utility model has the advantages that:

1) the utility model has the advantages that the inner cooling hole, the inner cooling liquid channel, the inner cooling liquid branch and the inner cooling liquid outlet are arranged, when in use, the inner cooling liquid is injected into the inner cooling, so that the inner cooling liquid can flow through the inner cooling liquid channel and the inner cooling liquid branch and then flow out through the inner cooling liquid outlet, thereby quickly taking away the heat generated inside the tool bit and avoiding the high temperature from damaging the tool bit to influence the processing effect;

2) the utility model discloses a surface winding at the tool bit is provided with a plurality of chip grooves, can in time clear up the sweeps that mill the production, avoids the sweeps to pile up near the tool bit and causes wearing and tearing to the cutting edge, has the centering through the lower extreme central point fixed mounting at the tool bit moreover, can carry out quick location to milling workpiece, improves and mills the precision.

Drawings

FIG. 1 is a schematic view of the stainless steel milling cutter of the present invention;

FIG. 2 is a schematic view of the internal structure of the stainless steel milling cutter of the present invention;

fig. 3 is a schematic top view of the middle cutter head of the present invention;

fig. 4 is the schematic view of the cross section of the middle cutter bar of the present invention.

In the figure: 1. the tool comprises a tool bar, 2, an installing head, 3, a sealing plug, 4, a tool bit, 5, a chip groove, 6, centering, 7, a cutting edge, 8, an inner cooling hole, 9, an inner cooling liquid channel, 10, an inner cooling liquid branch, 11, an inner cooling liquid outlet, 12, an anti-rust coating, 13, a limiting hole, 14, a nano superhard coating, 15 and connecting threads.

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 efforts all belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a stainless steel milling cutter with internal cooling holes includes

The upper end of the cutter bar 1 is fixedly connected with the mounting head 2, the outer surface of the mounting head 2 is provided with a connecting thread 15, and the cutter bar 1 is connected with a machine tool through the matching between the mounting head 2 and the connecting thread 15;

the cutter head 4 is fixedly connected to the lower end of the cutter bar 1, and cutting edges 7 are fixedly arranged on two sides of the lower end of the cutter head;

and the internal cooling hole 8 is fixedly arranged on one side rod body of the cutter bar 1, and a sealing plug 3 is embedded in the internal cooling hole.

The embodiment of the utility model provides an in, the upper end central point of installation head 2 puts inside fixed spacing hole 13 of having seted up, conveniently fixes a position it fast with the lathe connecting axle, improves assembly efficiency.

The embodiment of the utility model provides an in, the inside of cutter arbor 1 and tool bit 4 is run through the intercommunication and is provided with interior cold liquid passageway 9, just one side of interior cold liquid passageway 9 is provided with a plurality of interior cold liquid branches 10, every interior cold liquid branch 10 keeps away from the one end of interior cold liquid passageway 9 and is linked together with the interior cold liquid export 11 that sets up on tool bit 4 surface, interior cold liquid export 11 is provided with a plurality ofly, when using, through pouring into interior cold liquid into in to hole 8 for interior cold liquid can flow through interior cold liquid passageway 9 and interior cold liquid branch 10, then flows through interior cold liquid export 11, thereby can take away the heat of the inside production of tool bit 4 fast, avoids high temperature to cause the destruction to tool bit 4.

The embodiment of the utility model provides an in, cutting edge 7 is provided with threely, and the surface of every cutting edge 7 all is provided with anti rust coating, not only can improve and mill efficiency, can also play certain guard action to cutting edge 7 through anti rust coating 12.

Example two

Referring to FIGS. 1 to 3, a stainless steel milling cutter with internal cooling holes includes

The upper end of the cutter bar 1 is fixedly connected with an installing head 2, the outer surface of the installing head 2 is provided with a connecting thread 15, and the cutter bar 1 is connected with a machine tool through the matching between the installing head 2 and the connecting thread 15;

and the inner cooling hole 8 is fixedly arranged on one side rod body of the cutter bar 1, and a sealing plug 3 is embedded in the inner cooling hole.

The embodiment of the utility model provides an in, the surface winding of tool bit 4 is provided with a plurality of chip grooves 5, can in time clear up the sweeps that mill the production, avoids the sweeps to pile up near tool bit 4 and causes wearing and tearing to cutting edge 7.

The embodiment of the utility model provides an in, the lower extreme central point of tool bit 4 puts fixed mounting and has centering 6, can carry out quick location to milling the work piece, improves and mills the precision.

The embodiment of the utility model provides an in, cutter arbor 1 all adopts stainless steel material to make with tool bit 4, and the outside of cutter arbor 1 and tool bit 4 still is provided with nanometer superhard coating 14, can improve this milling cutter's hardness, and then improves its life.

The working principle is as follows: when the stainless steel milling cutter with the internal cooling hole is used, firstly, the milling cutter is connected with a machine tool through the matching action of the arranged mounting head 2 and the limiting hole 13, then, a workpiece can be milled, when the milling cutter is used, internal cooling liquid is injected into the inner hole 8, so that the internal cooling liquid can flow through the internal cooling liquid channel 9 and the internal cooling liquid branch 10 and then flows out through the internal cooling liquid outlet 11, the heat generated inside the cutter head 4 can be quickly taken away, the cutter head 4 is prevented from being damaged by high temperature, and the scraps generated by milling can be timely cleaned through the arranged scrap discharge groove 5, the scraps are effectively prevented from being accumulated near the cutter head 4 to cause abrasion to the cutting edge 7, the workpiece is positioned through the centering 6 in the milling process, the condition of position deviation during milling can be effectively avoided, the milling precision is improved, and the cutter bar 1 and the cutter head 4 are both made of stainless steel, and the nanometer superhard coating 14 is arranged on the outer sides of the cutter bar 1 and the cutter head 4, so that the hardness of the milling cutter can be improved, and the service life of the milling cutter can be prolonged.

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. A stainless steel milling cutter with an internal cooling hole is characterized by comprising

The upper end of the cutter bar (1) is fixedly connected with the mounting head (2), the outer surface of the mounting head (2) is provided with a connecting thread (15), and the cutter bar (1) is connected with a machine tool through the matching between the mounting head (2) and the connecting thread (15);

the cutter head (4) is fixedly connected to the lower end of the cutter bar (1), and cutting edges (7) are fixedly arranged on two sides of the lower end of the cutter head;

and the internal cooling hole (8) is fixedly arranged on one side rod body of the cutter bar (1) and is internally embedded with a sealing plug (3).

2. The stainless steel milling cutter with the internally cooled hole according to claim 1, wherein: and a limiting hole (13) is fixedly formed in the center of the upper end of the mounting head (2).

3. The stainless steel milling cutter with the internally cooled hole according to claim 1, wherein: the cutter bar is characterized in that inner portions of the cutter bar (1) and the cutter head (4) are provided with inner cooling liquid channels (9) in a penetrating and communicating mode, one side of each inner cooling liquid channel (9) is provided with a plurality of inner cooling liquid branches (10), each inner cooling liquid branch (10) is far away from one end of each inner cooling liquid channel (9) and is communicated with an inner cooling liquid outlet (11) formed in the surface of the cutter head (4), and the inner cooling liquid outlets (11) are provided with a plurality of inner cooling liquid outlets.

4. The stainless steel milling cutter with the internally cooled hole according to claim 1, wherein: the number of the cutting edges (7) is three, and the surface of each cutting edge (7) is provided with an antirust coating.

5. The stainless steel milling cutter with the internally cooled hole according to claim 1, wherein: the surface winding of tool bit (4) is provided with a plurality of junk grooves (5).

6. The stainless steel milling cutter with the internally cooled hole according to claim 1, wherein: the center of the lower end of the cutter head (4) is fixedly provided with a centering (6).

7. The stainless steel milling cutter with the internally cooled hole according to claim 1, wherein: the cutter bar (1) and the cutter head (4) are both made of stainless steel materials, and a nano superhard coating (14) is further arranged on the outer sides of the cutter bar (1) and the cutter head (4).