CN214392384U

CN214392384U - End surface deep groove machining tool

Info

Publication number: CN214392384U
Application number: CN202023287748.4U
Authority: CN
Inventors: 潘继胜; 张宇; 梁朝晖; 梁朝文; 周波; 段晓丹; 黄小佳
Original assignee: Sichuan Future Aerospace Industrial Co ltd
Current assignee: Sichuan Future Aerospace Industrial Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-15
Anticipated expiration: 2030-12-30

Abstract

The utility model belongs to the technical field of the cutter, especially, relate to a terminal surface deep flute processing cutter, including tool bit and cutter arbor, the one end of tool bit is equipped with two at least smear metal swords, still be equipped with the chip groove on the tool bit between the adjacent smear metal sword, the cutter passes through the cutter arbor centre gripping fixed, is equipped with two at least cutting edges in the one end of tool bit, in carrying out deep flute course of working, rotatory cutter is through two at least cutting edges and processing part contact, can improve cutting efficiency, be equipped with the chip groove between the adjacent smear metal sword of tool bit, the iron fillings that produce in the cutting process discharge along the chip groove, whole cutter simple structure, high durability and convenient use, the problem of the not high and chip removal difficulty of efficiency of having solved conventional deep flute processing cutter.

Description

End surface deep groove machining tool

Technical Field

The utility model belongs to the technical field of the cutter, especially, relate to a terminal surface deep trouth processing cutter.

Background

For machining of the annular groove, in order to realize cutting of the annular groove, the design of a machining cutter must be considered that the appearance of the cutter cannot interfere with the annular groove, and the machining cutter is required to have certain chip removal and chip containing capacity. The cutter for processing the annular groove is usually designed in the prior art, and the geometric angles of two side edges of a common cutter are mainly changed so as to avoid the interference of the appearance. Its advantages are convenient manufacture and sharpening of cutter, low strength, low machining efficiency and difficult removal of chips.

According to production requirements, a production workshop receives a processing task of producing and processing a part to be processed with a deep groove, the part is made of stainless steel, the part is provided with a groove with the width of 5 mm and the depth of 47mm, and the part is required to be processed, a common groove cutter is reformed in the actual processing process, but when the groove is adopted to process to the depth of 47mm, the processing efficiency of the improved cutter is low, the chip removal is difficult, and the strength of the improved cutter cannot reach the standard.

In view of the above, there is a need for a tool for machining end face deep grooves.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the problems of low efficiency and difficult chip removal of the conventional deep groove machining tool, the end surface deep groove machining tool is provided.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides an end face deep flute processing cutter, includes tool bit and cutter arbor, the one end of tool bit is equipped with two at least smear metal sword, still be equipped with the chip groove that is used for the chip removal on the tool bit between the adjacent smear metal sword.

The cutter passes through the cutter arbor centre gripping fixedly, is equipped with two at least smear metal sword in the one end of tool bit, in carrying out the deep flute course of working, rotatory cutter is through two at least smear metal sword and processing part contact, can improve cutting efficiency, be equipped with the chip groove between the adjacent smear metal sword of tool bit, the iron fillings that produce in the cutting process are discharged along the chip groove, whole cutter simple structure, convenient to use has solved the not high and difficult problem of chip removal of efficiency of conventional deep flute processing cutter.

Preferably, the cutting edges are evenly distributed along the circumferential direction of the cutter head. In the contact process of the cutting edge and the machined part, all parts of the cutter head are stressed uniformly, conventional deep groove machining is avoided, the independent cutting edge on the cutter head is contacted with the part, and the problem of breakage of the cutting edge is caused easily due to uneven stress.

Preferably, the cutting edge comprises a handle and a blade, a blade clamping groove is formed in one side of the handle, and the blade is detachably connected with the handle through the blade clamping groove. The blade is the fragile structure, and the blade passes through the blade draw-in groove and can dismantle with the handle of a knife and be connected, makes things convenient for the change of blade to the life of whole cutter is prolonged.

Preferably, the chip groove comprises a front end notch and an arc groove bottom, and the front end notch is connected with the arc groove bottom, so that chips at the front end of the chip cutting edge are discharged from the arc groove bottom. In the cutting process, iron fillings are discharged along the arc tank bottom through the front end notch, and at the discharge process, iron fillings warp the distortion and become the arc form, discharge through the arc cell body, can avoid piling up at the chip removal notch, have solved the problem of the difficulty of excreteing.

Preferably, the cutter head and the cutter bar are integrally formed. The cutter head and the cutter bar are integrally formed, so that the strength of the cutter can be enhanced, and the service life of the cutter is prolonged.

Preferably, the cutter head and the cutter bar are tool steel structural members.

Preferably, the cutter arbor is cylindrical structure spare, the cutter arbor has two parallel clamping planes that are located cutter body axis both sides and, the plane of centre gripping extends along the cutter body axial, and the transition is passed through the arc surface connection at two clamping plane's both ends. The clamping planes which are parallel to each other are arranged on the cutter bar, so that the cutter is convenient to clamp.

Preferably, the rake angle of the blade is between 15 ° and 20 °.

Preferably, one end of the cutting head is provided with three cutting edges.

Compared with the prior art, the utility model has the advantages of: cutter passes through the cutter arbor centre gripping in this application and fixes, one end at the tool bit is equipped with two at least smear metal sword, in carrying out the deep flute course of working, rotatory cutter is through two at least smear metal sword and processing part contact, can improve cutting efficiency, be equipped with the chip groove between the adjacent smear metal sword of tool bit, iron fillings that produce in the cutting process are discharged along the chip groove, whole cutter simple structure, high durability and convenient use, the problem of the not high and chip removal difficulty of efficiency of having solved conventional deep flute processing cutter.

Other beneficial effects of this application are:

1. in the contact process of the cutting edge and the machined part, all parts of the cutter head are stressed uniformly, conventional deep groove machining is avoided, the independent cutting edge on the cutter head is contacted with the part, and the problem of breakage of the cutting edge is caused easily due to uneven stress.

2. The blade is the fragile structure, and the blade passes through the blade draw-in groove and can dismantle with the handle of a knife and be connected, makes things convenient for the change of blade to the life of whole cutter is prolonged.

3. In the cutting process, iron fillings are discharged along the arc tank bottom through the front end notch, and at the discharge process, iron fillings warp the distortion and become the arc form, discharge through the arc cell body, can avoid piling up at the chip removal notch, have solved the problem of the difficulty of excreteing.

4. The clamping planes which are parallel to each other are arranged on the cutter bar, so that the cutter is convenient to clamp.

Drawings

FIG. 1 is a schematic structural view of a deep end face groove machining tool of the present invention;

fig. 2 is a cross-sectional view a-a of fig. 1.

Reference numerals

1-tool bit, 1 a-cutting edge, 1a 1-tool shank, 1a 2-blade, 1 b-chip groove, 1b 1-front notch, 1b 2-arc groove bottom, 2-tool shank and 2 a-clamping plane.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

As shown in the attached fig. 1 and fig. 2, in the deep groove machining process, a cutter is clamped and fixed by a cutter bar 2, at least two cutting edges 1a are arranged at one end of a cutter head 1, the cutting edges 1a comprise a cutter handle 1a1 and a cutter blade 1a2, a clamping groove is arranged at one side of the cutter handle 1a1, the cutter blade (1a2) is detachably connected with the cutter handle 1a1 through the clamping groove, the front angle of the cutter blade is 15-20 degrees, the main relief angle is 6-8 degrees, the auxiliary relief angle is 1-3 degrees, the main deflection angle is 90 degrees, the auxiliary deflection angle is 1-1.5 degrees, in the deep groove machining process, the rotating cutter is contacted with a machining part through at least two cutting edges 1a, the cutting efficiency can be improved, a chip discharge groove 1b is arranged between adjacent cutting edges 1a of the cutter head 1, the chip discharge groove 1b comprises a front end notch 1b1 and a cambered edge groove bottom 1b2, the front end notch 1b1 is connected with the cambered edge groove bottom 1b2, in the cutting process, the workpiece is contacted with the cutting edge 1a, high-temperature scrap iron is generated, and the high-temperature scrap iron deforms and distorts into an arc shape and is discharged along the arc groove bottom 1b2 through the front end notch 1b1, the arc groove bottom 1b2 can avoid interfering with the arc scrap iron to block, the distorted high-temperature scrap iron is favorably and timely discharged, so that the accumulation of the scrap iron in the scrap discharge groove 1b2 can be avoided, in the whole cutting process, through the cooperation of numerical control programming, the tool bit 1 cuts 2-3mm deeply every time, then quits the end face for cutting, the reciprocating cutting operation is carried out, the purpose of fast cutting is achieved, the whole tool is simple in structure and convenient to use, and the problems of low efficiency and difficult chip removal of the conventional deep groove machining tool are solved.

Cutting edge 1a follows 1 annular equipartitions of tool bit, and among the parts machining process, cutting edge 1a and the work piece contact of equipartition on the tool bit 1 make each position atress of tool bit 1 even, have avoided conventional deep trouth processing, set up solitary cutting edge 1a and part contact on the tool bit, lead to tool bit 1 atress uneven easily to cause cutting edge 1a fracture.

Blade 1a2 is the fragile structure, and blade 1a2 can dismantle with handle of a knife 1a1 through the draw-in groove and be connected, makes things convenient for the change of blade 1a1 to the life of extension whole cutter makes things convenient for the centre gripping installation of cutter through set up the centre gripping plane 2a that is parallel to each other on cutter arbor 1.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an end face deep groove processing cutter which characterized in that: including tool bit (1) and cutter arbor (2), the one end of tool bit (1) is equipped with two at least smear metal sword (1 a), still be equipped with chip groove (1 b) that are used for the chip removal between adjacent smear metal sword (1 a) on tool bit (1), the hoop equipartition of tool bit (1) is followed in smear metal sword (1 a), smear metal sword (1 a) is including handle of a knife (1a 1) and blade (1a2), one side of handle of a knife (1a 1) is equipped with the draw-in groove, blade (1a2) can dismantle with handle of a knife (1a 1) through the draw-in groove and be connected.

2. The end face deep groove machining tool according to claim 1, characterized in that: the chip groove (1 b) comprises a front end notch (1 b 1) and a cambered groove bottom (1 b 2), wherein the front end notch (1 b 1) is connected with the cambered groove bottom (1 b 2), so that the chip at the front end of the chip cutting edge (1 a) is discharged from the cambered groove bottom (1 b 2).

3. The end face deep groove machining tool according to claim 1, characterized in that: the cutter head (1) and the cutter bar (2) are integrally formed.

4. The end face deep groove machining tool according to claim 3, wherein: the tool bit (1) and the tool bar (2) are tool steel structural members.

5. The end face deep groove machining tool according to claim 4, wherein: the cutter arbor (2) are cylindrical structure spare, cutter arbor (2) have two be located cutter body axis both sides and the clamping plane (2 a) that are parallel to each other, and the plane of centre gripping extends along cutter arbor (2) axial, and the transition is passed through the arc surface connection at the both ends of two clamping plane (2 a).

6. The end face deep groove machining tool according to claim 1, characterized in that: the front angle of the blade (1a2) is 15-20 degrees.

7. The end surface deep groove machining tool according to any one of claims 1 to 6, wherein: one end of the cutter head (1) is provided with three cutting edges (1 a).