CN210548325U

CN210548325U - Drilling and milling cutter with integrally formed screw threads

Info

Publication number: CN210548325U
Application number: CN201921169284.1U
Authority: CN
Inventors: 钱志坚
Original assignee: Barnes Injection Molding Industry Jiangsu Co ltd
Current assignee: Barnes Injection Molding Industry Jiangsu Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-05-19
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a milling cutter is bored in integrative shaping of screw tooth. Including handle of a knife and the cutting edge portion that links to each other with the handle of a knife, the front end of cutting edge portion is provided with the cutting edge, the cutting edge includes the body, be provided with the processing portion that links to each other with the body on the body, processing portion has head and bottom, first face, second face, third face and fourth face have connected gradually between head and the bottom, first face links to each other with the body, second face, fourth face and third face are the arcwall face. The utility model discloses a bore milling cutter simple structure can contain oral area and bottom chamfer through the mode one shot forming G1/8 screw bottom hole shaping of pecking brill, very big reduction process time, improved work efficiency, saved the cutter cost simultaneously.

Description

Drilling and milling cutter with integrally formed screw threads

Technical Field

The utility model relates to a milling cutter is bored in integrative shaping of screw thread belongs to cutter technical field.

Background

Milling cutters, which are rotary tools used for milling and having one or more teeth, are used for machining planes, steps, grooves, formed surfaces, cutting off workpieces and the like on milling machines, and the teeth cut off the allowance of the workpiece intermittently in sequence during operation. The end mill and the workpiece can be rubbed to generate higher temperature, and when the end mill is used for milling at high temperature for a long time, the end mill and the workpiece can be influenced to a certain degree, namely, the end mill is easy to damage, the machining precision of the machined part of the workpiece is reduced, even the machined product is scrapped, clamping of some end mills is difficult, the end mill is easy to drop, great troubles are brought to users, scrap iron generated sometimes can fall into the end mill, and certain influence is brought to the end mill.

When a threaded bottom hole is machined in the past, an end milling cutter is needed to be used for machining, then chamfering is carried out by using a chamfering tool, and then tail chamfering is carried out by using the chamfering tool. The processing procedures are various and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a milling cutter is bored in integrative shaping of screw tooth.

The utility model discloses a realize through following technical scheme:

the utility model provides a milling cutter is bored in integrative shaping of thread, includes handle of a knife and the cutting edge portion that links to each other with the handle of a knife, the front end of cutting edge portion is provided with the cutting edge, the cutting edge includes the body, be provided with the processing portion that links to each other with the body on the body, processing portion has head and bottom, first face, second face, third face and fourth face have connected gradually between head and the bottom, first face links to each other with the body, second face, fourth face and third face are the arcwall face.

The head of the drill milling cutter with the integrally formed screw teeth is provided with a first chamfer.

The second surface and the fourth surface are symmetrically arranged.

The drill milling cutter with the integrally formed screw teeth is characterized in that a second chamfer is arranged at the bottom of the cutting edge.

The integrated thread forming drill milling cutter is characterized in that a chip groove is formed in the cutting edge, connected with the second surface or the fourth surface, penetrates through the cutting edge and is located in the cutter handle.

The drill milling cutter with the integrally formed screw teeth is characterized in that the body is provided with an arc-shaped surface.

The utility model discloses the beneficial effect who reaches:

the utility model discloses a bore milling cutter simple structure can contain oral area and bottom chamfer through the mode one shot forming G1/8 screw bottom hole shaping of pecking brill, very big reduction process time, improved work efficiency, saved the cutter cost simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view at a circle in fig. 1.

Fig. 3 is a schematic view of another angle.

In the figure: 1. the tool comprises a tool shank, 2, a blade part, 3, a blade edge, 31, a body, 4, a processing part, 41, a head, 42, a bottom, 43, a first surface, 44, a second surface, 45, a third surface, 46, a fourth surface, 47, a first chamfer, 5, a second chamfer, 6, a chip groove, 7 and a tool origin.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in the drawing, the utility model discloses an integrative shaping of thread bores milling cutter, including handle of a knife 1 and the cutting edge portion 2 that links to each other with the handle of a knife, the front end of cutting edge portion 2 is provided with cutting edge 3, cutting edge 3 includes body 31, be provided with the processing part 4 that links to each other with body 31 on the body 31, processing part 4 has head 41 and bottom 42, first face 43, second face 44, third face 45 and fourth face 46 have connected gradually between head 41 and the bottom 42, first face 43 links to each other with body 31, second face 44, fourth face 46 and third face 45 are the arcwall face.

Specifically, the front end of the body 31 is the tool origin 7. The original point of the cutter can be understood as the reference of the cutter, so that the accurate calculation is convenient during the numerical control machining programming.

Furthermore, the cutting edge 3 and the cutting edge part 2 are made of hard alloy and are integrally formed, and the cutting edge part 2 has the function of avoiding the vacant position.

Still further, the head 41 is provided with a first chamfer 47. The method is used for machining the chamfer at the bottom of the hole.

Further, the second face 44 and the fourth face 46 are symmetrically disposed.

Further, the bottom of the cutting edge 3 is provided with a second chamfer 5. For machining bore chamfers

Furthermore, the cutting edge 3 is provided with a chip groove 6, and the chip groove 6 is connected to the second surface 44 or the fourth surface 46, penetrates through the cutting edge part 2, and is located at the shank 1. The chip removal effect of the chip removal groove 6 is good.

Further, the body 31 has an arc surface.

Further, the processing portion 4 is provided with three.

Furthermore, the diameter of the tool handle 1 is 12mm, the tool can adapt to most clamping tool holders while the strength of the tool is guaranteed, and the tool is convenient to install and high in universality.

The utility model discloses a milling cutter is bored in integrative shaping of screw tooth when using:

1. the drill milling cutter is clamped by a heat-shrinkable cutter handle.

2. And (3) processing the bottom water channel by using a hard alloy internal cooling drill bit.

3. The drilling and milling cutter adopts a G83 pecking and drilling mode, and the cutter is lifted 1mm for every 2mm of cutting depth until the processing is finished until the depth is 16.6mm from the original point of the drilling and milling cutter. Stopping at the bottom of the hole for 1 second to fully discharge chips, and then rapidly withdrawing the cutter at the speed of G00, thereby completing the forming of the bottom hole of the standard G1/8 waterway plug screw thread.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a milling cutter is bored in integrative shaping of thread, includes handle of a knife and the cutting edge portion that links to each other with the handle of a knife, characterized by, the front end of cutting edge portion is provided with the cutting edge, the cutting edge includes the body, be provided with the processing portion that links to each other with the body on the body, processing portion has head and bottom, first face, second face, third face and fourth face have connected gradually between head and the bottom, first face links to each other with the body, second face, fourth face and third face are the arcwall face.

2. The drill-milling cutter integrally formed with a screw thread as set forth in claim 1, wherein said head portion is provided with a first chamfer.

3. The drill-milling cutter integrally formed with a screw thread according to claim 1, wherein the second surface and the fourth surface are symmetrically disposed.

4. The drill-milling cutter integrally formed with a screw thread as set forth in claim 1, wherein the bottom of the cutting edge is provided with a second chamfer.

5. The drill-milling cutter integrally formed with a screw thread according to claim 1, wherein the cutting edge is provided with a chip groove, the chip groove connects the second surface or the fourth surface, penetrates the cutting edge, and is located on the shank.

6. The drill-milling cutter integrally formed with a screw thread as set forth in claim 1, wherein said body has an arcuate surface.