CN215090917U

CN215090917U - Special-shaped efficient machining taper milling cutter

Info

Publication number: CN215090917U
Application number: CN202121139998.5U
Authority: CN
Inventors: 刘文泽; 何琦; 熊伟; 谢韬
Original assignee: Chengdu Ahno Cutting Tool Co ltd
Current assignee: Chengdu Dailaike Cutting Tools Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-10
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a dysmorphism high efficiency processing tapering milling cutter, including the handle of a knife, the inside lower extreme of handle of a knife is equipped with the stationary dog, the inside joint of stationary dog has the cutting edge, cutting edge top joint is inside the stationary dog, the cutting edge is whole to be the toper structure, the inside blowpit of having seted up of cutting edge, the blowpit is equipped with four groups altogether, the blowpit evenly distributed is inside the cutting edge, the fixed joint in handle of a knife upper end has the cutter arbor, the cutter arbor end is fixed to be pegged graft inside the handle of a knife, the whole toper structure of cutter arbor, the handle of a knife is inside to be hollow structure, the inside one side of handle of a knife has seted up the clamping groove, the inside of clamping groove is connected with the stationary dog transmission; during the in-service use, according to actual conditions, when needing to process different grooves, the optional different cutting edges of using, through placing the cutting edge top in the inside lower extreme of handle of a knife, use supporting key to insert inside pressing from both sides tight groove, and then the control stationary dog is with cutting edge fixed clamping in handle of a knife lower extreme intermediate position, and then has realized the effect in the groove of the different tapering of workable.

Description

Special-shaped efficient machining taper milling cutter

Technical Field

The utility model relates to a machining cutter technical field specifically is a special-shaped high-efficient processing tapering milling cutter.

Background

A milling cutter is a rotating tool for milling machining having one or more cutter teeth. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting workpieces and the like on a milling machine; mainly comprises a cylindrical milling cutter, a face milling cutter, an end milling cutter, a three-edge milling cutter, an angle milling cutter, a saw blade milling cutter and a T-shaped milling cutter; the taper refers to the ratio of the diameter of the bottom surface of the cone to the height of the cone, and if the cone is a circular truncated cone, the taper is the ratio of the diameter difference of an upper bottom circle and a lower bottom circle to the height of the cone, and the taper milling cutter is a milling cutter provided with a cutter head with a narrow upper part and a wide lower part; the cylindrical milling cutter is used for processing a plane on a horizontal milling machine. The cutter teeth are distributed on the circumference of the milling cutter and are divided into straight teeth and spiral teeth according to tooth profiles; the gear is divided into coarse gear and fine gear according to the number of teeth; the helical tooth coarse-tooth milling cutter has less tooth number, high cutter tooth strength and large chip containing space, and is suitable for rough machining; the fine tooth milling cutter is suitable for finish machining; the face milling cutter is also called a disc milling cutter and is used for processing planes on a vertical milling machine, an end face milling machine or a gantry milling machine, and cutter teeth, namely coarse teeth and fine teeth, are arranged on the end face and the circumference; the structure of the device is 3 types of integral type, embedded type and indexable type.

When the existing milling cutter is used for actual processing, although the effects of milling grooves and milling surfaces of workpieces are achieved, when the milling cutter is used in practice, the milling cutter still has some defects, the existing milling cutter does not have the function of milling conical grooves with different tapers when the grooves are milled, and when the milling cutters are used for milling the grooves, the milling surfaces and the like, a large number of knife lines exist on the milled surfaces, so that the surface roughness of the workpieces is large, the practicability of the existing milling cutter is poor, and the application range is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special-shaped high-efficiency processing taper milling cutter, which processes different grooves by cutting edges with different tapers; the problem that the existing milling cutter provided in the background technology does not have the function of milling conical grooves with different tapers when the grooves are milled is solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special-shaped high-efficient processing tapering milling cutter, includes the handle of a knife, the inside lower extreme of handle of a knife is equipped with the stationary dog, the inside joint of stationary dog has the cutting edge, cutting edge top joint is inside the stationary dog, the whole toper structure that is of cutting edge, the inside blowpit of having seted up of cutting edge, the blowpit is equipped with four groups altogether, blowpit evenly distributed is inside the cutting edge, the inside upper end fixed joint of handle of a knife has the cutter arbor, the terminal fixed grafting of cutter arbor is inside the handle of a knife, the whole toper structure of cutter arbor, the inside hollow structure that is of handle of a knife, the inside one side of handle of a knife has seted up the clamping groove, the clamping groove is inside to be connected with the stationary dog transmission.

Preferably, a second blind hole is formed in the middle of the upper end in the cutter handle, and the tail end of the cutter bar is fixedly inserted into the second blind hole.

Preferably, a first blind hole is formed in the middle of the lower end in the cutter handle, and the top end of the cutting edge is inserted into the first blind hole.

Preferably, the discharge chute is integrally of an arc-shaped structure, and the discharge chute is located at the lower end inside the cutting edge.

Preferably, the total length of the cutter bar, the cutter handle and the cutting edge is 100 mm to 160 mm, and the taper of the cutting edge is 3 degrees to 9 degrees.

Preferably, the whole handle of a knife is the cylinder type structure, handle diameter is 30 millimeters to 60 millimeters, the whole chromium alloy integrated into one piece that is of cutting edge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses be equipped with cutting edge, stationary dog and handle of a knife, during the actual use, according to actual conditions, when needing to process different grooves, can select different cutting edges, through placing the cutting edge top in the inside lower extreme of handle of a knife, use supporting key to insert in clamping groove, and then control the stationary dog to fix the joint cutting edge at handle of a knife lower extreme intermediate position, and then realized the effect of workable different tapering grooves, solved current milling cutter and did not possess the function of milling the conical flute of different tapering when the milling flutes problem;

2. the utility model discloses the cutting edge is whole to be chromium alloy integrated into one piece, and the cutting edge passes through the fixed claw to be fixed, and then in actual processing, when milling face and milling flutes through the cutting edge, chromium alloy hardness is high and have sufficient wearability, and then carries out the during operation and makes that the cutting speed is fast and stability is high, the condition of sword that shakes can not appear for the work piece roughness after the processing is less, and processingquality is higher.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

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

FIG. 3 is a schematic view of the main structure of the knife handle of the present invention;

FIG. 4 is a schematic view of the structure of the utility model of the knife handle viewed from above;

fig. 5 is a schematic view of the main structure of the cutting edge of the present invention.

In the figure: 1. a cutting edge; 2. a knife handle; 3. a cutter bar; 4. a fixed jaw; 11. a discharge chute; 21. a first blind hole; 22. a second blind hole; 23. and clamping the groove.

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 to 5, the present invention provides a technical solution: a special-shaped high-efficiency processing taper milling cutter comprises a cutter handle 2, a fixed claw 4 is arranged at the lower end inside the cutter handle 2, a cutting edge 1 is clamped inside the fixed claw 4, the top end of the cutting edge 1 is clamped inside the fixed claw 4, a first blind hole 21 is formed in the middle position of the lower end inside the cutter handle 2, the top end of the cutting edge 1 is inserted inside the first blind hole 21, the whole cutter handle 2 is of a cylindrical structure, the inside of the cutter handle 2 is of a hollow structure, the inside of a clamping groove 23 is in transmission connection with the fixed claw 4, in actual processing, different cutting edges 1 are selected according to requirements of actual required processing, when the cutter handle is installed, the top end of the selected cutting edge 1 is firstly inserted inside the first blind hole 21, a key matched with the clamping groove 23 is selected to be inserted inside the clamping groove 23, the key is screwed, so that the fixed claw 4 contracts inwards, and then the top end of the cutting edge 1 is contacted and clamped, the effect of fixing and clamping the cutting edge 1 is realized, after the cutting edge 1 is used, the key can be turned in the opposite direction, the fixed claw is controlled not to contact with the cutting edge 1 any more, and then the cutting edge 1 can be taken down or different cutting edges 1 can be replaced.

Cutting edge 1 wholly is the toper structure, discharge chute 11 has been seted up to cutting edge 1 inside, discharge chute 11 is equipped with four groups altogether, discharge chute 11 evenly distributed is inside

cutting edge

1, 1 tapering of cutting edge is 3 to 9, cutting edge 1 wholly is chromium alloy integrated into one piece, in practice, the during operation of carrying out, the tapered cutting edge 1 of optional different processes, when carrying out the milling flutes, discharge chute 11 of seting up through cutting edge 1 inside, pass through discharge chute 11 with the rubbish that cutting edge 1 produced in the cutting process and discharge, prevent that rubbish from twining in cutting edge 1 outside, influence the normal work of cutting edge 1 and cause cutting edge 1's damage even, chromium alloy hardness and abrasion resistance are high, and then cutting edge 1 chooses chromium alloy integrated into one piece for use, make cutting speed faster, stability is better, the roughness of machined surface is littleer, the product quality of processing is higher.

2 inside upper end fixing clip of handle of a knife have

cutter arbor

3, 3 terminal fixed pegs graft in handle of a knife 2 inside of cutter arbor, 3 whole toper structures of cutter arbor, second blind hole 22 has been seted up to 2 inside upper end intermediate positions of handle of a knife, 3 terminal fixed pegs graft inside second blind hole 22 of cutter arbor, actual need adds man-hour, should insert 3 terminal fixed pegs graft inside second blind hole 22 of cutter arbor earlier, rethread cutter arbor 3's toper structure, with 3 joints of cutter arbor inside the main shaft of lathe, and then realize the installation to whole tapering milling cutter, thereby can mill the face, work such as milling flutes.

The total length of the cutter bar 3, the shank 2 and the cutting edge 1 is 150 mm, the shank diameter of the shank 2 is 45 mm, and the total length of the cutting edge 1 is 46 mm, and the total length of the cutting edge 1 arranged outside the shank 2 and the fixing claw 4 is 35 mm, which means that the maximum stroke of the milling cutter is 35 mm at this time.

The working principle is as follows: during the use, earlier through with the fixed grafting of cutter arbor 3 inside handle of a knife 2, select for use different length and tapered cutting edge 1 according to actual conditions again, will select for use the cutting edge 1 top of good again and pass through the fixed joint of stationary dog 4 inside handle of a knife 2, and then can carry out cutting work such as milling face, milling flutes, and because cutting edge 1 is chromium alloy integrated into one piece for cutting edge 1 cutting speed this moment is faster, and stability is better, and the roughness of machined surface is littleer.

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 high-efficient processing tapering milling cutter of dysmorphism, includes handle of a knife (2), its characterized in that: the inside lower extreme of handle of a knife (2) is equipped with stationary dog (4), the inside joint of stationary dog (4) has cutting edge (1), cutting edge (1) top joint is inside stationary dog (4), cutting edge (1) wholly is the toper structure, blowpit (11) have been seted up to cutting edge (1) inside, blowpit (11) are equipped with four groups altogether, blowpit (11) evenly distributed is inside cutting edge (1), the inside upper end fixed joint of handle of a knife (2) has cutter arbor (3), cutter arbor (3) end is fixed pegs graft inside handle of a knife (2), the whole toper structure of cutter arbor (3), the inside hollow structure that is of handle of a knife (2), tight groove (23) have been seted up to the inside one side of handle of a knife (2), press from both sides tight groove (23) inside and be connected with stationary dog (4) transmission.

2. The special-shaped taper milling cutter for high-efficiency machining according to claim 1, wherein: a second blind hole (22) is formed in the middle of the upper end in the cutter handle (2), and the tail end of the cutter bar (3) is fixedly inserted into the second blind hole (22).

3. The special-shaped taper milling cutter for high-efficiency machining according to claim 1, wherein: a first blind hole (21) is formed in the middle of the lower end in the cutter handle (2), and the top end of the cutting edge (1) is inserted into the first blind hole (21).

4. The special-shaped taper milling cutter for high-efficiency machining according to claim 1, wherein: the discharge chute (11) is integrally of an arc-shaped structure, and the discharge chute (11) is located at the lower end inside the cutting edge (1).

5. The special-shaped taper milling cutter for high-efficiency machining according to claim 1, wherein: the total length of the cutter bar (3), the cutter handle (2) and the cutting edge (1) is 100 mm to 160 mm, and the taper of the cutting edge (1) is 3 degrees to 9 degrees.

6. The special-shaped taper milling cutter for high-efficiency machining according to claim 1, wherein: the whole cutter handle (2) is of a cylindrical structure, the handle diameter of the cutter handle (2) is 30-60 mm, and the whole cutting edge (1) is integrally formed by chromium alloy.