CN210280820U

CN210280820U - Sleeve cutting tool for machining non-central multi-step stand column

Info

Publication number: CN210280820U
Application number: CN201920887939.2U
Authority: CN
Inventors: 厉伟明
Original assignee: Suzhou Jinjuyuan Hardware Electromechanical Co Ltd
Current assignee: Suzhou Jinjuyuan Hardware Electromechanical Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-10
Anticipated expiration: 2029-06-13

Abstract

The utility model provides a set of cutting tool for processing non-central multi-step stand column, which comprises a tool handle and a tool bit which are connected integrally, wherein the tip of the tool bit is at least provided with a pair of tool blocks which are centrosymmetric, the symmetric tool blocks are intersected at the symmetric center and provided with a multi-stage boss type groove of the stand column to be processed, the tool block is provided with a tool edge part which is provided with a front tool face, a tool edge and a rear tool face, the upper surface of the front tool face is smooth and coplanar, the front tool face is arranged at the lower part of the tool edge, the tail part of the rear tool face is also provided with a tool face and a scrap discharging face at the lower part of the side, in the radial direction of the tool handle, the lower part of the front end of the tool block is at least provided with a first step tool edge part and a second step tool edge part, the central axis of the tool handle is provided with a through hole and is filled with high-pressure, and heavy programming codes and repeated calibration of part coordinates are not needed, and the yield is effectively guaranteed.

Description

Sleeve cutting tool for machining non-central multi-step stand column

Technical Field

The utility model belongs to the technical field of the digit control machine tool cutter technique and specifically relates to indicate a cover of processing non-central multiple step stand cuts cutter.

Background

The processing cutter is an important part in a numerical control lathe, the milling cutter used for milling plates comprises a cutter handle and a cutter head, the cutter head is arranged at one end of the cutter handle and is integrated with the cutter handle, a blade is arranged on the cutter head, when a non-central multi-step upright post structure is processed, referring to an attached figure 8, the outer periphery of the upright post structure needs to be automatically processed by means of numerical control programming, meanwhile, the roughness requirements of the upper end surface and the outer cylindrical surface are guaranteed, moreover, the processing difficulty of the upright post is extremely high, the existing milling plane cutter cannot guarantee the precision, and the worst is that the upright post is extremely easy to touch the end in the cutter processing process, so that parts are scrapped, and the yield is reduced.

Disclosure of Invention

The utility model relates to a purpose is: in view of the problems that the existing numerical control machine tool is difficult to machine a non-central multi-step stand column structure and the yield is extremely low, the sleeve cutting tool for machining the non-central multi-step stand column is designed and provided, the requirement for machining the stand column on a special part is met, the difficulty that the precision of a milling plane is poor is overcome, and the machining efficiency and the yield are also improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sleeve cutting tool for machining a non-central multi-step stand column comprises a tool handle and a tool bit which are integrally connected.

The tip of the tool bit is at least provided with a pair of centrosymmetric tool blocks, and the symmetric tool blocks are intersected at the symmetric center and provided with a multi-stage boss-shaped groove of the stand column to be processed,

the knife block is provided with a knife edge part, the knife edge part is provided with a front knife face, a knife edge and a rear knife face, the upper surface of the front knife face is smooth and coplanar, the front knife face is arranged at the lower part of the knife edge, the tail part of the rear knife face is also provided with a knife face and a scrap discharging face at the lateral lower part,

in the radial direction of the knife handle, the lower part of the front end of the knife block is at least provided with a first step knife edge part and a second step knife edge part, the first step knife edge part is provided with a first step rear knife face, the second step knife edge part is provided with a second step rear knife face,

the through hole is arranged on the central axis of the knife handle, and high-pressure cooling liquid or flushing liquid is filled in the through hole.

Further, the rake faces of the knife edge portion, the first stepped knife edge portion and the second stepped knife edge portion are coplanar.

Further, the cutting edge portion with still be equipped with the first step face of standing of waiting to process the stand between the first step cutting edge portion, first step cutting edge portion with still be equipped with the second step face of standing of waiting to process the multi-step stand between the second step cutting edge portion, first step face of standing and second step face of standing are perpendicular to the back knife face of cutting edge portion.

Further, the first step rear cutter face and the second step rear cutter face are parallel to the rear cutter face of the cutter edge portion.

Implement the utility model discloses a cutter is cut to cover of processing non-central multiple step stand has following beneficial effect:

the multi-step cutting edge part designed by the sleeve cutting tool for machining the non-central multi-step stand column mills the stand column to be machined of the part in one step, heavy programming codes and repeated calibration of part coordinates are not needed, the yield is effectively guaranteed, the yield is increased, and the sleeve cutting tool is favorable for popularization and application.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic structural diagram of a sleeve cutting tool for machining a non-central multi-step column according to the present embodiment;

FIG. 2 is a schematic bottom view of the sleeve cutting tool for machining a non-central multi-step column according to the present embodiment

FIG. 3 is a side view of the present embodiment of a sleeve cutting tool for machining a non-central multi-step column;

FIG. 4 is a front view of the present embodiment of a sleeve cutting tool for machining a non-central multi-step upright;

FIG. 5 is a schematic view of the structure at A in FIG. 1;

FIG. 6 is a schematic view of the structure at B in FIG. 4;

FIG. 7 is a left side view of FIG. 6;

FIG. 8 is a schematic structural view of a part with a multi-step column;

the cutting tool comprises a tool handle 1, a tool handle 11, a through hole 2, a tool block 21, a rear tool face of a blade part 22, a first step rear tool face 23, a second step rear tool face 24, a blade 25, a first step blade part 26, a second step blade part 27, a front tool face 28, a first step vertical tool face 29, a second step vertical tool face 3, a part with a multi-step upright column 31, a first step 32, a second step 33 and a third step.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-7, the utility model provides a set of cutting tool for processing non-central multi-step stand column, which comprises a tool handle 1 and a tool bit which are connected integrally.

Specifically, the tip of the tool bit is provided with a pair of centrosymmetric tool blocks 2, and the symmetrical tool blocks 2 are intersected at the symmetrical center and provided with a multi-stage boss-shaped groove of the stand column to be processed.

The sword piece 2 is equipped with cutting edge portion, cutting edge portion is equipped with smooth and coplane rake face 27, cutting edge 24 of upper surface and back knife face 21, rake face 27 sets up in cutting edge 24 lower part back knife face 21 afterbody still is equipped with out the bits face of knife face and side lower part.

In the radial direction of the tool holder 1, the lower part of the front end of the tool block 2 is further provided with a first step blade part 25 and a second step blade part 26, the first step blade part 25 is provided with a first step rear tool face 22, and the second step blade part 26 is provided with a second step rear tool face 23.

The central axis of the knife handle 1 is provided with a through hole 11, and high-pressure cooling liquid or flushing liquid is filled in the through hole.

A further embodiment is that the rake surfaces 27 of the knife edge portion, the first stepped knife edge portion 25 and the second stepped knife edge portion 26 are coplanar.

A further embodiment is that the cutting edge portion and still be equipped with the first step face of standing a knife 28 of treating the processing stand between the first step cutting edge portion 25, first step cutting edge portion 25 with still be equipped with the second step face of standing a knife 29 of treating the processing multi-step stand between the second step cutting edge portion 26, first step face of standing a knife 28 and second step face of standing a knife 29 perpendicular to the back knife face 21 of cutting edge portion.

In a further embodiment, to ensure stable and reliable milling speed, the first step flank 22 and the second step flank 23 are both parallel to the flank 21 of the cutting edge.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a cover cutting tool of processing non-central multiple step stand, includes handle of a knife and tool bit of body coupling, its characterized in that:

2. The sleeve cutting tool for machining a non-central multi-step upright post according to claim 1, wherein: the front knife faces of the knife edge part, the first step knife edge part and the second step knife edge part are coplanar.

3. The sleeve cutting tool for machining a non-central multi-step upright post according to claim 1, wherein: the cutting edge portion with still be equipped with the first step face of founding of treating the processing stand between the first step cutting edge portion, first step cutting edge portion with still be equipped with the second step face of founding of treating the multi-step stand between the second step cutting edge portion, first step face of founding and the perpendicular to of second step face of founding the back knife face of cutting edge portion.

4. The sleeve cutting tool for machining a non-central multi-step upright post according to claim 1, wherein: the first step rear cutter face and the second step rear cutter face are parallel to the rear cutter face of the cutter edge part.