CN110539042A

CN110539042A - Internal thread hole forming milling cutter capable of being formed at one time

Info

Publication number: CN110539042A
Application number: CN201910967455.3A
Authority: CN
Inventors: 李凡
Original assignee: Changzhou Avatar Tool Manufacturing Co Ltd
Current assignee: Changzhou Avatar Tool Manufacturing Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2019-12-06

Abstract

The invention discloses a milling cutter capable of being formed at one time and used for forming an internal thread hole, which comprises a cutter handle, a front handle, a connecting thread, a positioning groove, a reinforcing thread, a chip groove, a cutter point, a side edge, a transition groove, a cutter edge base, a main cutter edge, an inclined cutter point, a connecting seat, a 35-degree chamfer, a chip groove and a circular truncated cone connecting piece. The invention has the beneficial effects that: this internal thread hole shaping milling cutter that can one shot forming structural design is reasonable, and the installation is simple, and convenient to use, cutting edge base set up the front end position department at the front handle, and two be provided with the chip groove between the cutting edge base, the bits that the cutting edge of being convenient for garrulous got off can be smooth retreat from the chip groove, shortens piece exhaust time greatly, improves the chip removal efficiency of device, is favorable to the work efficiency of device to increase, is provided with the constant head tank in the middle of the circumference of handle of a knife, and the front end of front handle is provided with the aqueduct for milling cutter can be better fixed on the lathe, reinforcing material's rigidity.

Description

Internal thread hole forming milling cutter capable of being formed at one time

Technical Field

The invention relates to a cutter device, in particular to an internal thread hole forming milling cutter capable of being formed at one time.

Background

with the increase of the level of machine manufacturing and the improvement of various processing methods, the manufacturing requirements of various machine products are gradually increased. The method for processing the parts is also rapidly updated and updated along with the production requirements of mechanical products, and the processing of the parts comprises the steps of raw material production, various mechanical processing, special processing, heat treatment and the like on raw materials, and finally, the qualified mechanical parts are processed. Which plays a crucial role in the shaping of the entire product. Machine tool machining is the main machining method for most mechanical parts, but in the prior art, when a milling cutter capable of being formed in one step is used for machining internal thread holes in machine tool tables or other structures, the phenomenon of unsmooth chip removal often occurs, the machining progress of the parts is seriously influenced, the product quality of the parts is not well influenced, and more negative influences are also caused on user experience.

Therefore, in order to solve the above-described problems, a milling cutter for forming a female screw hole, which can be formed at one time, is provided.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a milling cutter for forming an internal threaded hole, which can be formed at one time.

The invention realizes the purpose through the following technical scheme: a milling cutter capable of being formed at one time and provided with an internal threaded hole comprises a cutter handle and a cutting edge base, wherein connecting threads are arranged on the circumference of the tail end of the cutter handle, a 35-degree chamfer is arranged on the end face of the tail end of the cutter handle, a circular table connecting piece is arranged at the front end of the cutter handle, a front handle is arranged at the front end of the circular table connecting piece, reinforcing threads are arranged on the circumference of the front handle, a positioning groove is arranged in the middle of the circumference of the cutter handle, a transition groove is arranged at the front end of the front handle, and the cutting edge base is arranged at the front;

the knife comprises a knife base and is characterized in that a main knife edge is arranged at the upper end of the knife base and comprises an inclined knife tip and a connecting seat, the front end of the knife base is provided with the knife tip, the side face of the knife tip is provided with a chip groove, the side face of the knife base is provided with a side blade, and the back of the side blade is provided with a chip groove.

Preferably, the blade bases are arranged at the front end of the front handle, and a chip groove is arranged between the two blade bases.

Preferably, a positioning groove is arranged in the middle of the circumference of the cutter handle, and a transition groove is arranged at the front end of the front handle.

Preferably, the connecting thread is arranged on the arc surface of the tail end of the cutter handle, and the end face of the tail end of the cutter handle is provided with a 35-degree chamfer.

Preferably, a circular truncated cone connecting piece is arranged between the knife handle and the front handle, and reinforcing grains are arranged on the circumference of the front handle.

Preferably, the top end of the front handle is provided with a tool nose, and the middle of the tool nose is provided with a chip groove.

Preferably, the main blade is configured as a left-handed structure, and the side blade is configured as an arc structure.

The invention has the beneficial effects that: the milling cutter with the internal thread hole capable of being formed in one step is reasonable in structural design, simple to install and convenient to use, the blade bases are arranged at the front end of the front handle, the chip grooves are formed between the two blade bases, chips broken by blades can be conveniently and smoothly removed from the chip grooves, the chip discharge time is greatly shortened, the chip removal efficiency of the device is improved, the working efficiency of the device is increased, the positioning grooves are formed in the middle of the circumference of the cutter handle, the transition grooves are formed in the front end of the front handle, the milling cutter can be better fixed on a machine tool, the rigidity of materials is enhanced, the connecting threads are arranged on the arc-shaped surface at the tail end of the cutter handle, 35-degree chamfers are arranged on the end face of the cutter handle, the milling cutter is conveniently connected with the machine tool, the connecting firmness of the milling cutter and the machine tool is increased, a round table connecting piece is, reduce the instability that lug connection brought, smooth connection more is favorable to increasing the service rigidity of handle, improve the service life of product, improve the economic value of product, the top of front handle is provided with the knife tip, and the centre of knife tip is provided with the chip groove, the knife tip can break the material open, make the shaping in internal thread hole more firm, machining efficiency is better, the main cutting edge sets up to left-handed formula structure, and the side sword sets up to circular arc type structure, reduce the overstock of milling bits, reduce the heat of cut, the life of extension fixture, be favorable to the device to promote on market.

Drawings

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

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

In the figure: 1. a knife handle; 2. a front handle; 3. connecting threads; 4. positioning a groove; 5. reinforcing lines; 6. a chip pocket; 7. a knife tip; 8. a side edge; 9. a transition groove; 10. a blade base; 11. a main blade; 12. a beveled nose; 13. a connecting seat; 14. chamfering at 35 degrees; 15. a chip groove; 16. round platform connecting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an internal thread hole forming milling cutter capable of being formed at one time comprises a cutter handle 1 and a cutting edge base 10, wherein a connecting thread 3 is arranged on the circumference of the tail end of the cutter handle 1, a 35-degree chamfer 14 is arranged on the end face of the tail end of the cutter handle 1, the cutting edge base 10 is arranged at the front end of a front handle 2, a chip containing groove 6 is arranged between the two cutting edge bases 10, chips broken by a cutting edge can be smoothly removed from the chip containing groove, the chip discharge time is greatly shortened, the chip removal efficiency of the device is improved, the working efficiency of the device is improved, a positioning groove 4 is arranged in the middle of the circumference of the cutter handle 2, a transition groove 9 is arranged at the front end of the front handle 2, the milling cutter can be better fixed on a machine tool, the rigidity of materials is enhanced, a circular table connecting piece 16 is arranged at the front end of the cutter handle 1, a, the circumference of the front handle 2 is provided with reinforcing grains 5, the circumference of the handle 1 is provided with a positioning groove 4, the front end of the front handle 2 is provided with a transition groove 9, the front end of the transition groove 9 is provided with a cutting edge base 10, the upper end of the cutting edge base 10 is provided with a main cutting edge 11, the end circular arc surface of the handle 2 is provided with a connecting thread 3, the end surface of the end of the handle 2 is provided with a 35-degree chamfer 14, so that the milling cutter is conveniently connected with a machine tool, the connecting firmness of the milling cutter and the machine tool is improved, a circular truncated cone connecting piece 16 is arranged between the handle 1 and the front handle 2, the reinforcing grains 5 are arranged on the circumference of the front handle 2, the instability caused by direct connection is reduced, smooth connection is more favorable for increasing the use rigidity of the handle, the service life of a product is prolonged, the economic value of the product is improved, the main cutting, the front end of cutting edge base 10 is provided with knife tip 7, the side of knife tip 7 is provided with chip groove 15, the top of front handle 2 is provided with knife tip 7, just the centre of knife tip 7 is provided with chip groove 15, and the knife tip can break the material for the shaping in internal thread hole is more firm, and machining efficiency is better, the side of cutting edge base 10 is provided with side sword 8, side sword 8 is provided with chip groove 6 at the back, main cutting edge 11 sets up to the levogyration formula structure, just side sword 10 sets up to the circular arc type structure, reduces the backlog of milling the bits, reduces the heat of cut, and extension fixture's life is favorable to the device to promoting on market.

The working principle is as follows: when the milling cutter capable of being formed at one time is used, firstly, the cutter handle 1 and the front handle 2 are connected together through the circular truncated cone connecting piece 16, the main cutting edge 11 and the side cutting edge 8 are arranged on the cutting edge base 10, secondly, the milling cutter is installed on a workpiece through the connecting thread 3, and finally, an internal thread hole on the workpiece is machined through a machine tool.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 can once only fashioned internal thread hole shaping milling cutter, includes handle of a knife (1) and cutting edge base (10), its characterized in that: the tool comprises a tool holder (1), and is characterized in that a connecting thread (3) is arranged on the circumference of the tail end of the tool holder (1), a 35-degree chamfer (14) is arranged on the end face of the tail end of the tool holder (1), a circular truncated cone connecting piece (16) is arranged at the front end of the tool holder (1), a front handle (2) is arranged at the front end of the circular truncated cone connecting piece (16), reinforcing grains (5) are arranged on the circumference of the front handle (2), a positioning groove (4) is arranged in the middle of the circumference of the tool holder (1), a transition groove (9) is arranged at the front end of the front handle (2), and a cutting edge base (10) is;

The upper end of cutting edge base (10) is provided with main cutting edge (11), main cutting edge (11) are including oblique knife tip (12) and connecting seat (13), the front end of cutting edge base (10) is provided with knife tip (7), the side of knife tip (7) is provided with chip groove (15), the side of cutting edge base (10) is provided with side sword (8), the back of side sword (8) is provided with chip groove (6).

2. the internal thread hole forming milling cutter capable of being formed at one time according to claim 1, wherein: the cutting edge base (10) is arranged at the front end of the front handle (2), and a chip groove (6) is formed between the two cutting edge bases (10).

3. The internal thread hole forming milling cutter capable of being formed at one time according to claim 1, wherein: the middle of the circumference of the knife handle (1) is provided with a positioning groove (4), and the front end of the front handle (2) is provided with a transition groove (9).

4. The internal thread hole forming milling cutter capable of being formed at one time according to claim 1, wherein: the tool is characterized in that a connecting thread (3) is arranged on the arc surface of the tail end of the tool handle (1), and a 35-degree chamfer (14) is arranged on the end face of the tail end of the tool handle (1).

5. The internal thread hole forming milling cutter capable of being formed at one time according to claim 1, wherein: a circular truncated cone connecting piece (16) is arranged between the knife handle (1) and the front handle (2), and reinforcing grains (5) are arranged on the circumference of the front handle (2).

6. the internal thread hole forming milling cutter capable of being formed at one time according to claim 1, wherein: the tool bit (7) is arranged at the top end of the front handle (2), and a chip groove (15) is formed in the middle of the tool bit (7).

7. The internal thread hole forming milling cutter capable of being formed at one time according to claim 1, wherein: the main blade (11) is of a left-handed structure, and the side blade (8) is of an arc structure.