CN218873878U

CN218873878U - End milling cutter with extension bar for cutting

Info

Publication number: CN218873878U
Application number: CN202223028837.6U
Authority: CN
Inventors: 魏家鸿
Original assignee: Xi'an Changlong Technology Co ltd
Current assignee: Xi'an Changlong Technology Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-04-18
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses an end milling cutter is used in cutting with extension bar, including the extension tube, the inside of extension tube is equipped with the main part pole, the right-hand member fixedly connected with end milling cutter head of main part pole, the slide opening has been seted up to the upper surface of main part pole, the inside sliding connection of slide opening has the dop, two springs of the bottom fixedly connected with of dop, two the bottom of spring all with the interior diapire fixed connection of slide opening, three calorie of hole has been seted up to the upper surface of extension tube, the spacing groove has been seted up to the inner wall of extension tube, the inside sliding connection of spacing groove has the stopper, the upper surface of stopper is connected with the surface of main part pole, the place ahead of extension tube is equipped with the data plate. This device establishes the extension rod through the outside cover at the main part pole, under the cooperation in dop and card hole, can make whole length between the two adjust, and the staff of being convenient for like this changes end mill's length, and the staff of being convenient for processes the work piece.

Description

End milling cutter with extension bar for cutting

Technical Field

The utility model belongs to the technical field of the end milling cutter head and specifically relates to an end milling cutter is used in cutting with extension bar.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When the milling cutter works, the cutter teeth cut off the allowance of a workpiece in sequence and intermittently, the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off workpieces and the like on a milling machine, the end milling cutter is a milling cutter with a top surface processed, is of a disc type and can only cut by a cutter edge of an end surface, and theoretical analysis and test results show that: the end milling cutter with unequal tooth pitches has the advantages of simple structure, convenience in manufacture, simplicity in structure, short cutter bar, incapability of adjusting, incapability of deeply milling workpieces with large outer diameters during machining and certain limitation, and has obvious vibration and noise reduction functions.

To this end, we propose a cutting end mill with an extension bar to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an end mill is used in cutting with extension bar to it is comparatively simple to put forward current milling cutter structure in the above-mentioned background art of solution, and milling cutter's cutter arbor length is shorter, and unable regulation is adding man-hour and can't carry out the degree of depth milling to the great work piece in external diameter, has the problem of certain limitation.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an end milling cutter is used in cutting with extension bar, includes the extension tube, the inside of extension tube is equipped with the main part pole, the right-hand member fixedly connected with end milling cutter head of main part pole, the slide opening has been seted up to the upper surface of main part pole, the inside sliding connection of slide opening has the dop, two springs of the bottom fixedly connected with of dop, two the bottom of spring all with the interior diapire fixed connection of slide opening, three card hole has been seted up to the upper surface of extension tube.

In a further embodiment, a limiting groove is formed in the inner wall of the extension pipe, a limiting block is connected to the inner portion of the limiting groove in a sliding mode, and the upper surface of the limiting block is connected with the outer surface of the main body rod.

In a further embodiment, a nameplate is arranged in front of the extension pipe, and the back surface of the nameplate is connected with the outer surface of the extension pipe.

In a further embodiment, two sliding grooves are formed in the inner wall of the sliding hole, sliding blocks are connected to the inner portions of the two sliding grooves in a sliding mode, and one surfaces, close to each other, of the two sliding blocks are connected with the outer surface of the clamping head.

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

this device establishes the extension rod through the outside cover at the main part pole, under the cooperation in dop and card hole, can make whole length between the two adjust, and the staff of being convenient for like this changes end mill's length, and the staff of being convenient for processes the work piece.

Drawings

Fig. 1 is a front view of an extension pipe.

FIG. 2 is a partial cross-sectional view in elevation of a main tube.

Fig. 3 is a sectional view of a front view of an extension pipe.

In the figure: 1. an extension pipe; 2. a main body rod; 3. an end milling head; 4. a nameplate; 5. a slide hole; 6. clamping a head; 7. a spring; 8. a chute; 9. a slider; 10. a limiting block; 11. clamping holes; 12. a limiting groove.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-3, in the present invention, an end milling cutter with an extension bar for cutting includes an extension tube 1, a main body rod 2 is disposed inside the extension tube 1, a right end fixedly connected to the main body rod 2 is provided with an end milling cutter head 3, a slide hole 5 is disposed on the upper surface of the main body rod 2, a chuck 6 is slidably connected to the inside of the slide hole 5, two springs 7 are fixedly connected to the bottom end of the chuck 6, the bottom ends of the two springs 7 are fixedly connected to the inner bottom wall of the slide hole 5, and three clamping holes 11 are disposed on the upper surface of the extension tube 1.

Spacing groove 12 has been seted up to extension pipe 1's inner wall, the inside sliding connection of spacing groove 12 has stopper 10, the upper surface of stopper 10 is connected with main part pole 2's surface, cooperation through spacing groove 12 and stopper 10, the staff installation main part pole 2 of being convenient for like this, the place ahead of extension pipe 1 is equipped with data plate 4, the back of data plate 4 is connected with extension pipe 1's surface, it is in to set up data plate 4 through the surface at extension pipe 1, the staff of being convenient for like this in time knows the specification information of device, two spout 8 have been seted up to the inner wall of slide opening 5, the equal sliding connection in inside of two spout 8 has slider 9, the one side that two slider 9 are close to each other all is connected with dop 6's surface, cooperate through spout 8 and slider 9, can make dop 6 more steady in the inside gliding of slide opening 5 like this.

The utility model discloses a theory of operation is:

when the end milling cutter is adjusted by a worker, the worker firstly presses the chuck 6 to move the chuck 6 downwards, then the worker pulls the main body rod 2, the chuck 6 retracts into the sliding hole 5 under the stress, and when one of the clamping holes 11 in the extension pipe 1 is aligned with the sliding hole 5, the chuck 6 is jacked to the position above the clamping hole 11 under the action of the spring 7 to limit and fix the main body rod 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides an end mill is used in cutting with extension bar which characterized in that: including extension pipe (1), the inside of extension pipe (1) is equipped with main part pole (2), right-hand member fixedly connected with end milling cutter head (3) of main part pole (2), slide opening (5) have been seted up to the upper surface of main part pole (2), the inside sliding connection of slide opening (5) has dop (6), two springs (7) of the bottom fixedly connected with of dop (6), two the bottom of spring (7) all with the interior diapire fixed connection of slide opening (5), three card hole (11) have been seted up to the upper surface of extension pipe (1).

2. A cutting end mill with an extension bar according to claim 1, characterized in that: spacing groove (12) have been seted up to the inner wall of extension tube (1), the inside sliding connection of spacing groove (12) has stopper (10), the upper surface of stopper (10) is connected with the surface of main part pole (2).

3. A cutting end mill with an extension bar according to claim 1, characterized in that: a nameplate (4) is arranged in front of the extension pipe (1), and the back surface of the nameplate (4) is connected with the outer surface of the extension pipe (1).

4. A cutting end mill with an extension bar according to claim 1, wherein: two chutes (8) are formed in the inner wall of the sliding hole (5), two sliding blocks (9) are connected to the inner portions of the chutes (8) in a sliding mode, and the side, close to each other, of each sliding block (9) is connected with the outer surface of the clamping head (6).