CN210848494U

CN210848494U - Milling and drilling combined machining tool

Info

Publication number: CN210848494U
Application number: CN201921560107.6U
Authority: CN
Inventors: 谢燕华
Original assignee: Changzhou Boyu Cnc Tool Co ltd
Current assignee: Changzhou Boyu Cnc Tool Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-26
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a milling and drilling combined machining cutter, including tool bit and screw hole, the upper end of tool bit is provided with the drill bit, and the exterior wall of tool bit is provided with the helical angle, the lower extreme of tool bit is connected with the screw thread post, and the inside of screw thread post is provided with the pinhole, the lower extreme of screw thread post is provided with the handle of a knife, and the inside spread groove that is provided with in upper end of handle of a knife, the screw hole sets up both ends about the inside of spread groove, and the left end of screw hole is provided with the bolt, the right-hand member of screw hole is provided with the connecting pin, and the. This mill and bore combined machining cutter is provided with the cutting edge, because milling cutter all is provided with the structure that the spiral changes with the drill bit to can both play the effect of chip removal, also can regard as milling cutter to use in order to make this novel drilling, all be provided with the cutting edge at the upper and lower both ends of helix angle, can be used for cutting material, and the double-deck design of cutting edge can make this novel rate of cut faster.

Description

Milling and drilling combined machining tool

Technical Field

The utility model relates to a mill and bore tool bit device especially relates to a mill and bore combined machining cutter, belongs to and mills and bore tool bit technical field.

Background

Milling cutters are cutting tools commonly used in milling machines or processing machines to perform milling operations, which remove material at a fixed feed rate in the machine, drill bits are cutting tools used by common drills or drilling machines to cut circular holes, the basic principle of drill bits is to rotate the cutting edges of the drill bits, cut the workpiece, remove drill cuttings from the drill flutes, and to perform most or all of the processing steps in one chucking, thereby achieving the purpose of reducing machine tools and fixtures, improving the processing accuracy of the workpiece, shortening the processing cycle and saving the working area, and milling and drilling composite processing tools are specially designed.

The milling cutter and the drill bit on the market have similar structures but different functions, so that the milling cutter and the drill bit have single functions and are relatively troublesome in tool changing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mill and bore combined machining cutter to the milling cutter who proposes among the above-mentioned background art is similar but the function is different with the drill bit structure, leads to milling cutter and drill bit function singleness, and more troublesome problem when the tool changing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a milling and drilling combined machining cutter, includes tool bit and screw hole, the upper end of tool bit is provided with the drill bit, and the exterior wall of tool bit is provided with the helical angle, the lower extreme of tool bit is connected with the screw thread post, and the inside of screw thread post is provided with the pinhole, the lower extreme of screw thread post is provided with the handle of a knife, and the inside spread groove that is provided with in upper end of handle of a knife, the screw hole sets up both ends about the inside of spread groove, and the left end of screw hole is provided with the bolt, the right-hand member of screw hole is provided with the.

Preferably, the helical angle comprises a cutting edge and a chip groove, the cutting edge is arranged at each of the upper end and the lower end of the helical angle, and the chip groove is arranged at one end of the helical angle close to the cutting edge.

Preferably, the shape structure of the cutting edge is matched with the shape structure of the helical angle, and two cutting edges are arranged.

Preferably, the bolt includes half-thread post and square column, and the right-hand member of bolt is connected with half-thread post, the right-hand member of half-thread post is connected with the square column.

Preferably, the shape structure of the half-thread column is matched with that of the threaded hole, and the shape structure of the square column is matched with that of the square hole groove.

Preferably, the tool bit is movably connected with the tool handle, and the interior of the threaded column is of a hollow structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the milling and drilling combined machining cutter is provided with the cutting edges, and as the milling cutter and the drill bit are both provided with spiral rotating structures and can play a role in chip removal, in order to ensure that the novel milling cutter can be used as a milling cutter while drilling, the cutting edges are arranged at the upper end and the lower end of the spiral angle and can be used for cutting materials, and the novel cutting speed can be higher due to the double-layer design of the cutting edges;

2. the half-thread column can penetrate into the pin hole and the thread hole, so that the connection structure between the thread column and the connection groove can be stable, and the cutter head and the cutter handle can be prevented from falling off during working by matching the square column and the square hole groove;

3. because milling cutter or drill bit on the existing market are the integral type structure, need dismantle whole cutter like this when changing, and this novel design is tool bit and handle of a knife swing joint to carry out multiple fixed connection through foretell structure, can guarantee the stability of this novel structure like this in convenient to detach.

Drawings

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

FIG. 2 is a schematic view of the structure of the threaded post of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1-tool bit, 2-drill bit, 3-helix angle, 301-cutting edge, 302-chip groove, 4-threaded column, 5-pin hole, 6-tool holder, 7-connecting groove, 8-threaded hole, 9-bolt, 901-half-threaded column, 902-square column, 10-connecting pin and 11-square hole 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. 1-3, the present invention provides a technical solution: a milling and drilling combined machining tool comprises a tool bit 1, a drill bit 2, a spiral angle 3, a cutting edge 301, a chip groove 302, a threaded column 4, a pin hole 5, a tool shank 6, a connecting groove 7, a threaded hole 8, a bolt 9, a half-threaded column 901, a square column 902, a connecting pin 10 and a square hole groove 11, wherein the drill bit 2 is arranged at the upper end of the tool bit 1, the spiral angle 3 is arranged on the outer wall of the tool bit 1, the threaded column 4 is connected to the lower end of the tool bit 1, the pin hole 5 is arranged inside the threaded column 4, the tool shank 6 is arranged at the lower end of the threaded column 4, the connecting groove 7 is arranged inside the upper end of the tool shank 6, the threaded hole 8 is arranged at the left end and the right end of the connecting groove 7, the bolt 9 is arranged at the left end of the threaded;

the helical angle 3 comprises a cutting edge 301 and a chip removal groove 302, the upper end and the lower end of the helical angle 3 are respectively provided with the cutting edge 301, one end of the helical angle 3, which is close to the cutting edge 301, is provided with the chip removal groove 302, the shape structure of the cutting edge 301 is matched with the shape structure of the helical angle 3, and the cutting edges 301 are respectively provided with two, the milling and drilling combined machining tool is provided with the cutting edge 301, as the milling cutter and the drill bit 2 are both provided with spiral rotating structures and can play a chip removal role, in order to ensure that the novel drilling tool can be used as the milling cutter at the same time of drilling, the upper end and the lower end of the helical angle 3 are both provided with the cutting edges 301 and can be;

the bolt 9 comprises a half-thread column 901 and a square column 902, the right end of the bolt 9 is connected with the half-thread column 901, the right end of the half-thread column 901 is connected with the square column 902, the shape structure of the half-thread column 901 is matched with that of the threaded hole 8, the shape structure of the square column 902 is matched with that of the square hole groove 11, the half-thread column 901 can penetrate into the pin hole 5 and the threaded hole 8, the structure can stabilize the connection structure between the threaded column 4 and the connection groove 7, and the square column 902 and the square hole groove 11 are matched, so that the tool bit 1 and the tool shank 6 can be prevented from falling off in working;

for swing joint between tool bit 1 and the handle of a knife 6, and the inside of screw post 4 is hollow column structure, because milling cutter or drill bit 2 on the existing market are the integral type structure, need dismantle whole cutter like this when changing, and this novel design is tool bit 1 and handle of a knife 6 swing joint to carry out multiple fixed connection through foretell structure, can guarantee the stability of this novel structure when convenient to detach like this.

The working principle is as follows: for the milling and drilling composite machining tool, firstly, a tool shank 6 is fixed on a tool rest of a milling machine, then a tool bit 1 is connected with a connecting groove 7 through a threaded column 4, when the tool bit 1 is completely and tightly connected with the tool shank 6, the positions of a pin hole 5 and a threaded hole 8 are just overlapped, a bolt 9 and a connecting pin 10 are inserted from the threaded holes 8 at two ends of the connecting groove 7 at the moment, and a square column 902 is ensured to be just placed in a square hole groove 11, the design can enable the bolt 9 and the connecting pin 10 to keep the same rotating state, after the connection, the bolt 9 is rotated, because the thread directions of a half-threaded column 901 and the connecting pin 10 are opposite, when the bolt 9 rotates, the bolt 9 and the connecting pin 10 can generate relative movement while keeping the same rotating speed, until the square column 902 completely enters the square hole groove 11, and at the moment, the connecting pin tool shank 10 and the half-threaded column 901 also completely enter the threaded hole 8, and the connecting structure can ensure that, after the installation is finished, the material can be drilled longitudinally through the drill 2, the chippings can be discharged through the chip discharge grooves 302, and when the material needs to be milled, the material is cut transversely through the cutting edges 301, so that the use process of the whole milling and drilling composite machining tool is finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a milling and drilling combined machining cutter, includes tool bit (1) and screw hole (8), its characterized in that: the utility model discloses a drilling tool, including tool bit (1), screw hole (7), screw hole (8), bolt (9), screw hole (8), connecting pin (10), and the inside of connecting pin (10) is provided with square hole groove (11), the upper end of tool bit (1) is provided with drill bit (2), and the exterior wall of tool bit (1) is provided with helix angle (3), the lower extreme of tool bit (1) is connected with screw thread post (4), and the inside of screw thread post (4) is provided with pinhole (5), the lower extreme of screw thread post (4) is provided with handle of a knife (6), and the inside of handle of a knife (6) is provided with spread groove (7), both ends about screw hole (8) set up in the inside of.

2. The milling and drilling composite machining tool according to claim 1, characterized in that: the helix angle (3) comprises a cutting edge (301) and a chip groove (302), the cutting edge (301) is arranged at the upper end and the lower end of the helix angle (3), and the chip groove (302) is arranged at one end, close to the cutting edge (301), of the helix angle (3).

3. The milling and drilling composite machining tool according to claim 2, characterized in that: the shape structure of the cutting edges (301) is matched with that of the helical angle (3), and two cutting edges (301) are arranged.

4. The milling and drilling composite machining tool according to claim 1, characterized in that: the bolt (9) comprises a half-thread column (901) and a square column (902), the right end of the bolt (9) is connected with the half-thread column (901), and the right end of the half-thread column (901) is connected with the square column (902).

5. The milling and drilling composite machining tool according to claim 4, characterized in that: the shape structure of the half-thread column (901) is matched with that of the threaded hole (8), and the shape structure of the square column (902) is matched with that of the square hole groove (11).

6. The milling and drilling composite machining tool according to claim 1, characterized in that: the tool bit (1) is movably connected with the tool handle (6), and the interior of the threaded column (4) is of a hollow structure.