CN210208813U

CN210208813U - Milling cutter for processing titanium alloy

Info

Publication number: CN210208813U
Application number: CN201920845442.4U
Authority: CN
Inventors: Jianzhong Chen; 陈建忠; Kangjian Deng; 邓康建; Yumei Wang; 王瑜妹; Weitao Mao; 毛伟韬; Longfei Chen; 陈龙飞; Lian Pan; 潘莲
Original assignee: Changzhou Kano Precision Tools Co Ltd
Current assignee: Changzhou Kano Precision Tools Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-03-31
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a milling cutter for processing titanium alloy, including milling pin portion, rib, extension, axle sleeve and buffer gear, the top of milling pin portion is equipped with the rib, and the central point on rib top puts the department and is equipped with the extension to the rib top of extension both sides all is fixed with the location fin, the outside cover of extension is equipped with the axle sleeve, and the both sides of axle sleeve bottom all through the mutual joint of slot and location fin, the top of extension extends to the top of axle sleeve and is equipped with the screw thread through-hole, the top of axle sleeve is equipped with buffer gear, and buffer gear's both ends all with the lateral wall contactless of extension, be equipped with ring groove on the lateral wall at axle sleeve top. The milling cutter for processing the titanium alloy not only improves the assembly efficiency of the milling cutter for processing the titanium alloy, enhances the practical performance of the milling cutter for processing the titanium alloy, but also prolongs the service cycle of the milling cutter for processing the titanium alloy.

Description

Milling cutter for processing titanium alloy

Technical Field

The utility model relates to a milling cutter technical field specifically is a milling cutter for processing titanium alloy.

Background

In the field of metal cutting, because the titanium alloy has high-quality performances of low thermal conductivity and small deformation coefficient, the processing difficulty is greatly improved, and compared with common metal materials, the titanium alloy milling cutter has higher requirements on the selected milling cutter in the milling process of the titanium alloy.

However, the existing milling cutter for processing titanium alloy still has certain problems, and the specific problems are as follows:

1. aiming at the precision and maintenance requirements of the milling cutter for processing titanium alloy, frequent disassembly, assembly and maintenance need to be carried out on the milling cutter, but the structure of the common milling cutter is relatively fixed, and flexible assembly mechanisms are lacked among all parts, so that the assembly efficiency of the milling cutter is usually difficult to meet the requirements of actual production activities;

2. the general milling cutter for processing the titanium alloy has certain defects in the aspects of internal chip capacity, structural strength, cooling mode and the like, and finally the practical performance of the milling cutter is greatly reduced;

3. the existing milling cutter for processing titanium alloy is lack of an effective buffering and noise-reducing damping mechanism inside, so that the service cycle is shortened greatly due to over-strong vibration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a milling cutter for processing titanium alloy to the lower, the practicality of the assembly efficiency of proposing the device is not enough and life cycle is shorter problem among the above-mentioned background art of solution.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a milling cutter for processing titanium alloy, is including milling round pin portion, rib, extension, axle sleeve and buffer gear, the top of milling round pin portion is equipped with the rib, and the central point on rib top puts the department and is equipped with the extension to the rib top of extension both sides all is fixed with the location fin, the outside cover of extension is equipped with the axle sleeve, and the both sides of axle sleeve bottom all through slot and the mutual joint of location fin, the top of extension extends to the top of axle sleeve and is equipped with the screw thread through-hole, the top of axle sleeve is equipped with buffer gear, and buffer gear's both ends all with the lateral wall of extension mutual contact, be equipped with ring groove on the lateral wall at axle sleeve top.

Preferably, the milling pin part is internally provided with chip flutes at equal intervals, and the chip flutes are spirally distributed.

Preferably, 4 groups of guide grooves are vertically arranged on the outer side wall of the reinforcing part, and included angles between every two adjacent guide grooves are 90 degrees.

Preferably, the outer side wall of the middle part of the shaft sleeve is provided with annular silencing grooves at equal intervals, and the diameters of the annular silencing grooves are gradually reduced from top to bottom.

Preferably, the shaft sleeve at the position of the positioning fin is internally provided with pin holes, and pins in the pin holes sequentially penetrate through the shaft sleeve and the positioning fin.

Preferably, buffer gear is equipped with from the middle to both ends in proper order and reserves chamber, compression spring, fixed block and linear bearing, and the inside of reserving the chamber is equipped with 3 compression spring groups, and the contained angle between the adjacent compression spring all is 120, and the fixed block is all installed at compression spring's both ends, and the extension both ends of reserving the intracavity portion all overlap and are equipped with linear bearing, linear bearing and the inside wall sliding contact who reserves the chamber.

Compared with the prior art, the beneficial effects of the utility model are that: the milling cutter for processing the titanium alloy not only improves the assembly efficiency of the milling cutter for processing the titanium alloy, enhances the practical performance of the milling cutter for processing the titanium alloy, but also prolongs the service cycle of the milling cutter for processing the titanium alloy;

1. the positioning fins are fixed on two sides of the top end of the reinforcing part, the slots and the pin holes are formed in two sides of the bottom of the shaft sleeve, the pins are arranged in the pin holes, the annular clamping grooves are formed in the outer side wall of the top of the shaft sleeve, and the threaded through holes are formed in the top of the extending part, so that the function of facilitating assembly of the milling cutter for titanium alloy processing is realized, and the assembly efficiency of the milling cutter for titanium alloy processing is improved;

2. the chip groove is formed in the milling pin part, the reinforcing part is arranged at the top end of the milling pin part, the extension part is arranged at the top end of the reinforcing part, and the flow guide groove is formed in the outer side wall of the reinforcing part, so that the functions of expansion, middle strengthening and flow guide cooling in the milling cutter for processing titanium alloy are realized, and the practical performance of the milling cutter for processing titanium alloy is enhanced;

3. through establishing buffer gear at the top of axle sleeve, buffer gear's inside is established and is reserved chamber, compression spring, fixed block and linear bearing to through establishing annular amortization groove on the lateral wall at axle sleeve middle part, realized that titanium alloy processing is with milling cutter inside buffering and the shock-absorbing function of making an uproar falls, thereby prolonged titanium alloy processing and used milling cutter's life cycle.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

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

fig. 4 is a schematic view of the local top-view cross-sectional structure of the present invention.

In the figure: 1. milling a pin part; 2. a reinforcing portion; 3. an extension part; 4. a shaft sleeve; 5. an annular neck; 6. an annular silencing groove; 7. positioning the fins; 8. a diversion trench; 9. a pin; 10. a chip pocket; 11. a threaded through hole; 12. a buffer mechanism; 1201. a linear bearing; 1202. a fixed block; 1203. a compression spring; 1204. reserving a cavity; 13. a slot; 14. a pin hole.

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. 1-4, the present invention provides a technical solution: the utility model provides a milling cutter for processing titanium alloy, including milling pin portion 1, rib 2, extension 3, axle sleeve 4 and buffer gear 12, the top of milling pin portion 1 is equipped with rib 2, and the central point on 2 tops of rib puts the department and is equipped with

extension

3, and 2 tops of rib of extension 3 both sides all are fixed with locating fin 7, the outside cover of extension 3 is equipped with axle sleeve 4, and the both sides of axle sleeve 4 bottom all through slot 13 and the mutual joint of locating fin 7, the top of extension 3 extends to the top of axle sleeve 4 and is equipped with screw thread through-hole 11, the top of axle sleeve 4 is equipped with buffer gear 12, and buffer gear 12's both ends all with the lateral wall contactless of extension 3, be equipped with annular clamping groove 5 on the lateral wall at axle sleeve 4 top.

As shown in FIG. 2, the chip flutes 10 are arranged in the milling pin part 1 at equal intervals, and the chip flutes 10 are distributed spirally, so that the chip capacity in the milling pin part 1 is increased, and the single milling depth of the milling pin part 1 is increased.

For example, 4 sets of guide grooves 8 are vertically arranged on the outer side wall of the reinforcing part 2 in fig. 2, and included angles between adjacent guide grooves 8 are 90 degrees, so that longitudinal conveying of water flow or air flow is facilitated, and rapid cooling of the milling part 1 is realized.

As shown in fig. 2, the outer side wall of the middle portion of the sleeve 4 is provided with annular muffling grooves 6 at equal intervals, and the diameters of the annular muffling grooves 6 are gradually reduced from top to bottom for reducing noise generated around the sleeve 4 due to high-speed rotation, thereby reducing internal resonance.

Pin holes 14 are formed inside the shaft sleeve 4 at the positions of the positioning fins 7 as shown in fig. 4, and pins 9 inside the pin holes 14 penetrate through the shaft sleeve 4 and the positioning fins 7 in sequence for enhancing the connection strength between the extension part 3 and the shaft sleeve 4.

As shown in fig. 3, a reserved cavity 1204, compression springs 1203, fixed blocks 1202 and linear bearings 1201 are sequentially arranged from the middle to the two ends of the

buffer mechanism

12, 3 sets of compression springs 1203 are arranged inside the reserved cavity 1204, included angles between adjacent compression springs 1203 are all 120 °, the fixed blocks 1202 are arranged at the two ends of the compression springs 1203, the linear bearings 1201 are sleeved at the two ends of an extension part 3 inside the reserved cavity 1204, and the linear bearings 1201 are in sliding contact with the inner side walls of the reserved cavity 1204;

when external vibration or vibration of the milling cutter itself occurs, the extension part 3 slightly floats up and down in the reserved cavity 1204 through the 2 linear bearings 1201, and in the process, the corresponding fixing block 1202 is stressed and presses the compression spring 1203, and then the external vibration is quickly counteracted through the elastic force of the compression spring 1203, so that the milling cutter is kept relatively stable.

The working principle is as follows: when the milling cutter is used, firstly, the extension part 3 is inserted into the shaft sleeve 4 through the clamping relation between the positioning fins 7 and the inserting grooves 13, then the pins 9 are installed and fixed on the corresponding pin holes 14, finally, the milling cutter is fixed at a working position through the annular clamping grooves 5 and the threaded through holes 11, in the later milling process, as the top end of the milling pin part 1 is sequentially provided with the reinforcing part 2 and the extension part 3, the milling cutter has stronger axial bearing performance and is not easy to break, the chip grooves 10 in the milling pin part 1 can effectively improve the single milling depth of the milling cutter, the blockage caused by chip accumulation is avoided, when the milling cutter is cooled through water flow or air flow, the diversion grooves 8 can assist in dredging the water flow or the air flow, so that the milling pin part 1 is rapidly cooled, in addition, when external vibration or self vibration of the milling cutter occurs, the extension part 3 slightly floats up and down in the reserved cavity 1204 through 2 linear bearings, in the process, the corresponding fixing block 1202 is stressed and extrudes the compression spring 1203, then the external vibration is quickly counteracted through the elastic force of the compression spring 1203, and then the annular silencing groove 6 in the middle of the shaft sleeve 4 is matched, so that the noise generated around the shaft sleeve 4 due to high-speed rotation can be effectively reduced, the internal resonance is reduced, the milling cutter is kept relatively stable, and finally the whole work of the milling cutter for processing titanium alloy 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 cutter for processing titanium alloy, includes milling pin portion (1), rib (2), extension (3), axle sleeve (4) and buffer gear (12), its characterized in that: the top of milling round pin portion (1) is equipped with rib (2), and the central point on rib (2) top puts the department and is equipped with extension portion (3) to rib (2) top of extension portion (3) both sides all is fixed with location fin (7), the outside cover of extension portion (3) is equipped with axle sleeve (4), and the both sides of axle sleeve (4) bottom all through slot (13) and location fin (7) joint each other, the top of extension portion (3) extends to the top of axle sleeve (4) and is equipped with screw thread through-hole (11), the top of axle sleeve (4) is equipped with buffer gear (12), and the both ends of buffer gear (12) all with the lateral wall of extension portion (3) each other contact, be equipped with annular groove (5) on the lateral wall at axle sleeve (4) top.

2. The milling cutter for machining titanium alloys according to claim 1, wherein: the milling pin part is characterized in that chip flutes (10) are arranged in the milling pin part (1) at equal intervals, and the chip flutes (10) are distributed spirally.

3. The milling cutter for machining titanium alloys according to claim 1, wherein: the outer side wall of the reinforcing part (2) is vertically provided with 4 groups of guide grooves (8), and included angles between every two adjacent guide grooves (8) are all 90 degrees.

4. The milling cutter for machining titanium alloys according to claim 1, wherein: the outer side wall of the middle part of the shaft sleeve (4) is provided with annular silencing grooves (6) at equal intervals, and the diameters of the annular silencing grooves (6) are gradually reduced from top to bottom.

5. The milling cutter for machining titanium alloys according to claim 1, wherein: the inner part of the shaft sleeve (4) at the position of the positioning fin (7) is provided with a pin hole (14), and a pin (9) in the pin hole (14) penetrates through the shaft sleeve (4) and the positioning fin (7) in sequence.

6. The milling cutter for machining titanium alloys according to claim 1, wherein: buffer gear (12) are equipped with in proper order from the middle to both ends and reserve chamber (1204), compression spring (1203), fixed block (1202) and linear bearing (1201), and the inside of reserving chamber (1204) is equipped with 3 compression spring (1203), contained angle between adjacent compression spring (1203) all is 120, fixed block (1202) are all installed at the both ends of compression spring (1203), it all overlaps at extension portion (3) both ends of chamber (1204) inside and is equipped with linear bearing (1201), linear bearing (1201) and the inside wall sliding contact who reserves chamber (1204) are held in advance.