CN215658070U

CN215658070U - High-speed high-hardness ball end milling cutter

Info

Publication number: CN215658070U
Application number: CN202121483345.9U
Authority: CN
Inventors: 霍福权; 霍召龙
Original assignee: Jiangsu Mingyang Yujie Machinery Co ltd
Current assignee: Jiangsu Mingyang Yujie Machinery Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-28
Anticipated expiration: 2031-07-01

Abstract

The utility model relates to a high-speed high-hardness ball-end milling cutter which comprises a middle part, a cutter head part and a mounting part, wherein the cutter head part is fixed at one end of the middle part, the mounting part is mounted at one end of the middle part, which is far away from the cutter head part, limiting grooves are uniformly formed in the outer wall of the mounting part, and a mounting part is sleeved on the outer wall of the mounting part. According to the utility model, the connecting and fixing piece is arranged on the inner wall of the curved groove on the cutter head part, so that the connecting and fixing piece can fixedly connect the adjacent tangent planes, the strength of the whole tangent plane is increased, meanwhile, the connecting and fixing piece can not completely cover the inside of the curved groove, so that scraps can still be discharged through the curved groove, the assembly and disassembly are convenient, and a plurality of groups of limiting clamping blocks are completely inserted into the inside of the limiting groove and fully clamp and limit and fix the mounting part, the operation is convenient, and sufficient stability can be ensured.

Description

High-speed high-hardness ball end milling cutter

Technical Field

The utility model relates to the technical field of milling cutter processing, in particular to a high-speed high-hardness ball-end milling cutter.

Background

The ball end mill is one of milling cutters, and its cutting edge part is similar to the bulb, mainly used mills the cutter of various curved surfaces, circular arc slot, and ball end mill generally is made by high-speed steel, therefore its bulk hardness is higher to guarantee that it is difficult for itself to damage, and traditional ball end mill can satisfy people's user demand basically, but still has certain problem, and specific problem is as follows:

when the existing ball-end milling cutter is used, the ball head part of the existing ball-end milling cutter generally starts to be provided with a curved groove, so that a tangent plane serves as a cutting edge, and meanwhile, chips are convenient to discharge; in addition, when the existing ball end mill is used, the existing ball end mill is generally inserted into a driving mechanism and is driven to rotate through the driving mechanism, but in the actual use process, the existing ball end mill is troublesome to disassemble and assemble, and the stability is insufficient.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a high-speed high-hardness ball end mill which is convenient to operate and can ensure sufficient stability.

The technical scheme for realizing the purpose of the utility model is as follows: the utility model provides a high-speed high rigidity ball end mill, includes mid portion, tool bit portion and installation part, mid portion's one end is fixed with the tool bit portion, mid portion is kept away from the one end of tool bit portion and is installed the installation part, and the spacing groove has evenly been seted up to the outer wall of installation part, the outer wall cover of installation part is equipped with the installed part.

According to the technical scheme, the end, far away from the middle part, of the cutter head part is evenly provided with the curved groove, and the top of the inner side wall of the curved groove is provided with the connecting fixing piece.

Above-mentioned technical scheme the inside of spacing groove is provided with spacing grip block, and spacing grip block runs through the installed part, extrusion groove has evenly been seted up to one side that mounting portion was kept away from to spacing grip block, and the top of spacing grip block both sides all installs the restriction piece.

Above-mentioned technical scheme the mounting member is kept away from the outside of mid portion one end and is installed a screw thread section of thick bamboo, and a first restriction ring is installed to the one end that mid portion was kept away from to a screw thread section of thick bamboo.

Above-mentioned technical scheme the second screw thread section of thick bamboo is installed in the outside that the installed part is close to mid portion one end, and the second limit ring is installed to the one end that the second screw thread section of thick bamboo is close to mid portion.

According to the technical scheme, the installation barrel is sleeved on the outer side of the second threaded barrel, and the extrusion rings are uniformly fixed on the inner wall of the installation barrel.

After the technical scheme is adopted, the utility model has the following positive effects:

(1) according to the utility model, the connecting and fixing piece is arranged on the inner wall of the curved groove on the cutter head part, so that the connecting and fixing piece can fixedly connect the adjacent tangent planes, the strength of the whole tangent plane is increased, and meanwhile, the connecting and fixing piece cannot completely cover the inside of the curved groove, so that the scraps can still be discharged through the curved groove.

(2) According to the utility model, the mounting barrel is respectively in threaded connection with the first threaded barrel and the second threaded barrel, and the limiting clamping blocks are in sliding connection with the mounting piece, so that after an operator inserts the mounting part into the mounting piece, the mounting barrel is screwed to move towards the direction close to the middle part, the extrusion ring on the mounting barrel can extrude the bevel edge part of the extrusion groove, so that a plurality of groups of limiting clamping blocks are completely inserted into the limiting groove and fully clamp and limit the mounting part, the operation is convenient, and sufficient stability can be ensured.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which

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

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a side cross-sectional structural view of the present invention.

In the figure: 1. a middle portion; 2. a tool bit portion; 3. a curved slot; 4. connecting a fixing piece; 5. a mounting portion; 6. a limiting groove; 7. a mounting member; 8. a limiting clamping block; 9. extruding a groove; 10. a limiting block; 11. a first threaded barrel; 12. a first confinement ring; 13. a second threaded barrel; 14. a second confinement ring; 15. mounting the cylinder; 16. the ring is pressed.

Detailed Description

Referring to fig. 1 to 4, the cutting tool comprises a middle part 1, a cutter head part 2 and a mounting part 5, wherein the cutter head part 2 is fixed at one end of the middle part 1, a curved groove 3 is uniformly formed at one end, far away from the middle part 1, of the cutter head part 2, a connecting fixing part 4 is mounted at the top of the inner side wall of the curved groove 3, the curved groove 3 can enable the middle part 1 to form a uniform section, so that the cutting tool has a cutting edge function, and the connecting fixing part 4 can increase the strength of the whole section.

Installing part 5 is installed to the one end that cutter head portion 2 was kept away from to mid portion 1, and installing part 5's outer wall has evenly seted up spacing groove 6, installing part 5's outer wall cover is equipped with installed part 7, the inside of spacing groove 6 is provided with spacing grip block 8, and spacing grip block 8 runs through installed part 7, extrusion groove 9 has evenly been seted up to one side that installing part 5 was kept away from to spacing grip block 8, and the top of spacing grip block 8 both sides all installs limiting block 10, spacing grip block 8 is sliding connection with installed part 7, make when receiving external force influence, spacing grip block 8 can insert corresponding spacing groove 6 inside completely, carry out spacing fixed to installing part 5, the spacing grip block 8 of multiunit can mutually support to carry out the centre gripping fixed to installing part 5 simultaneously.

A first threaded cylinder 11 is arranged on the outer side of one end, far away from the middle part 1, of the mounting piece 7, a first limiting ring 12 is arranged on one end, far away from the middle part 1, of the first threaded cylinder 11, and the first limiting ring 12 can limit the movement amplitude of the mounting cylinder 15 in one direction; in addition, a second screw cylinder 13 is installed on the outer side of the mounting member 7 near one end of the middle portion 1, and a second limiting ring 14 is installed on one end of the second screw cylinder 13 near the middle portion 1, wherein the second limiting ring 14 can limit the moving amplitude of the mounting cylinder 15 in one direction.

The outside cover of second screw thread section of thick bamboo 13 is equipped with an installation section of thick bamboo 15, and the inner wall of an installation section of thick bamboo 15 evenly is fixed with stripper ring 16, an installation section of thick bamboo 15 is threaded connection with first screw thread section of thick bamboo 11 and second screw thread section of thick bamboo 13 respectively, when making operating personnel twist an installation section of thick bamboo 15 to the direction that is close to mid portion 1, stripper ring 16 on the installation section of thick bamboo 15 can extrude the hypotenuse part of extrusion groove 9, make spacing grip block 8 insert the inside of spacing groove 6 completely, actuating mechanism drives the rotation operation direction of installed part 7 and an installation section of thick bamboo 15 and further twists the direction corresponding to being close to mid portion 1, guarantee its stability in the course of the work.

The working principle is as follows: when the high-speed high-hardness ball-end milling cutter is used, the mounting part 5 is completely inserted into the mounting part 7, the mounting barrel 15 is respectively in threaded connection with the first threaded barrel 11 and the second threaded barrel 13, the mounting barrel 15 is screwed towards the direction close to the middle part 1, so that a plurality of groups of extrusion rings 16 on the mounting barrel are respectively extruded with the bevel edge part in the corresponding extrusion groove 9, and are respectively connected with the mounting part 7 through the sliding of a plurality of groups of limiting clamping blocks 8, so that the plurality of groups of limiting clamping blocks 8 can simultaneously move towards the direction close to the mounting part 5 until the plurality of groups of limiting clamping blocks 8 are respectively inserted into the corresponding limiting grooves 6 to limit and fix the mounting part 5, and the plurality of groups of limiting clamping blocks 8 are mutually matched to clamp and fix the mounting part 5, thereby fully ensuring the stability between the mounting part 5 and the mounting part 7, and simultaneously in the subsequent driving process, when actuating mechanism drove installed part 7 and installing part 5 and rotates, the direction was screwed up to being close to mid portion 1 further towards installation section of thick bamboo 15 and installed part 7 and is rotated, when needing to dismantle, will install section of thick bamboo 15 and twist to the direction of keeping away from mid portion 1 for extrusion ring 16 removes and corresponds the mutual extrusion of extrusion groove 9 hypotenuse, with installing part 5 follow the inside of installed part 7 take out can, convenient and fast.

After the installation is accomplished, control actuating mechanism drive the device rotate cut can, in cutting process, because bent type groove 3 has evenly been seted up on mid portion 1, make the tangent plane part can act as the cutting edge and cut, connection mounting 4 is installed at the top of 3 inner walls in bent type groove simultaneously, make the steadiness between the multiunit tangent plane improve greatly, connect mounting 4 simultaneously and equally can play the effect that the part acts as the cutting edge, and connect mounting 4 and can not seal bent type groove 3 completely, the inside bottom in bent type groove 3 is still in the through state, make the piece discharge through bent type groove 3.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-speed high rigidity ball end mill, includes mid portion (1), tool bit portion (2) and installing part (5), its characterized in that: the one end of middle part (1) is fixed with tool bit portion (2), installation part (5) are installed to the one end that tool bit portion (2) were kept away from in middle part (1), and spacing groove (6) have evenly been seted up to the outer wall of installation part (5), the outer wall cover of installation part (5) is equipped with installed part (7).

2. A high-speed high-hardness ball nose milling cutter according to claim 1, wherein: bent groove (3) have evenly been seted up to the one end that middle part (1) was kept away from in tool bit portion (2), and the top of bent groove (3) inside wall is installed and is connected mounting (4).

3. A high-speed high-hardness ball nose milling cutter according to claim 1, wherein: the inside of spacing groove (6) is provided with spacing grip block (8), and just spacing grip block (8) run through installed part (7), extrusion groove (9) have evenly been seted up to one side that installation part (5) were kept away from in spacing grip block (8), and the top of spacing grip block (8) both sides all installs limiting block (10).

4. A high-speed high-hardness ball nose milling cutter according to claim 3, wherein: the outer side of one end, far away from the middle part (1), of the mounting piece (7) is provided with a first threaded cylinder (11), and one end, far away from the middle part (1), of the first threaded cylinder (11) is provided with a first limiting ring (12).

5. A high-speed high-hardness ball nose milling cutter according to claim 3 or 4, wherein: a second threaded cylinder (13) is installed on the outer side of one end, close to the middle portion (1), of the installation piece (7), and a second limiting ring (14) is installed on one end, close to the middle portion (1), of the second threaded cylinder (13).

6. The high-speed high-hardness ball nose milling cutter according to claim 5, wherein: the outer side of the second threaded cylinder (13) is sleeved with an installation cylinder (15), and an extrusion ring (16) is uniformly fixed on the inner wall of the installation cylinder (15).