CN211680966U - Milling cutter clamping device - Google Patents

Abstract

The utility model provides a milling cutter clamping device, a be used for pressing from both sides tight milling cutter, milling cutter clamping device includes the body, first fixed part and second fixed part, first fixed part is for the cavity cylinder type structure that has accommodation space, second fixed part is located accommodation space, the first part is including extending the body, set up the mounting hole on extending the body and install in the mounting of mounting hole, second fixed part includes the main part and forms and the undercut on the main part, the undercut includes circular recess and the fixed slot that communicates each other with circular recess, milling cutter includes the tool bit, blade holder and extension, the size of a dimension of blade holder and accommodation space's size of a dimension phase-match, the size of a dimension of extension matches with the undercut, first fixed part corresponds and presss from both sides tight blade holder, second fixed part corresponds and presss from both sides tight extension. Compared with the prior art, the utility model provides a milling cutter clamping device's fastening effect is better.

Description

Milling cutter clamping device

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of machining, especially, relate to a milling cutter clamping device.

[ background of the invention ]

The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine, and whether the milling cutter is fixed firmly or not is an important factor influencing the processing effect. And the fixing effect on the milling cutter in the prior art is poor, so that the final machining precision is influenced.

Therefore, there is a need to provide a new milling cutter clamping device to solve the above problems.

[ Utility model ] content

The to-be-solved technical problem of the utility model provides a better milling cutter clamping device of fastening effect.

A milling cutter clamping device is used for clamping a milling cutter, the milling cutter clamping device comprises a body, a first fixing part and a second fixing part, the first fixing part is a hollow cylindrical structure with an accommodating space, the second fixing part is positioned in the accommodating space, the first fixing part comprises an extending body formed by extending the body, a mounting hole formed in the extending body and a fixing part mounted in the mounting hole, the second fixing part comprises a main body and a concave groove formed by recessing the milling cutter from one side surface of the main body towards the direction far away from the milling cutter, the concave groove comprises a circular groove and a fixing groove communicated with the circular groove, the milling cutter comprises a cutter head, a cutter seat fixedly connected with the cutter head and an extending part formed by extending from the side surface of the cutter seat towards the direction far away from the cutter head, the size of the tool apron is matched with that of the accommodating space, the size of the extending part is matched with that of the concave groove, the first fixing part correspondingly clamps the tool apron, and the second fixing part correspondingly clamps the extending part.

Preferably, the extension body includes an inner surface enclosing the accommodation space and an outer surface disposed opposite to the inner surface, the mounting hole includes a through hole penetrating the extension body from the outer surface toward the inner surface, and an accommodation groove recessed from the inner surface toward the outer surface, and the accommodation groove and the through hole are communicated with each other.

Preferably, the fixing part comprises a clamping part and a fastening part fixedly connected with the clamping part, and the shape and size of the clamping part are matched with those of the accommodating groove.

Preferably, an inner thread is arranged on the inner wall of the through hole, an outer thread is arranged on the part of the outer surface of the fastening piece, which is positioned on the through hole, the outer thread of the fastening piece is matched with the inner thread on the inner wall of the through hole, the fixing piece is correspondingly connected with the extending body in a threaded manner, and the clamping piece is fixed at one end of the fastening piece.

Preferably, the mounting hole is provided with threely, and is three the mounting hole is followed the central axis of extension body is the annular array and distributes, the mounting is provided with threely, threely the mounting corresponds threely respectively the mounting hole sets up.

Preferably, the blade holder includes first outer wall and sets up in mounting groove on the first outer wall, mounting groove shape size with the shape size phase-match of holder, the mounting groove is equipped with threely, and is three the mounting groove is followed the central axis of blade holder is annular array and distributes, and is three the mounting groove is just to three the accepting groove sets up.

Preferably, the circular groove includes a bottom wall away from the milling cutter and a side wall connected to the bottom wall, and the fixing groove is formed by being recessed from the side wall in a direction away from the central axis of the body.

Preferably, the fixed slot is equipped with four, four the fixed slot is followed the main part center pin is annular array and distributes, the extension includes the second outer wall and certainly the second outer wall outwards extends the extension wall that forms, the shape size of extending the wall with the shape size phase-match of fixed slot, it is equipped with four to extend the wall, four extend the wall and follow the central axis of extension is annular array and distributes, four it corresponds four to extend the wall the fixed slot sets up.

Compared with the prior art, the utility model provides a milling cutter clamping device is through setting up first fixed part with the second fixed part is right respectively milling cutter presss from both sides tightly, and the fastening is respond well, and the second fixed part can not only play good spacing fastening effect, passes through simultaneously the depressed groove with cooperation between the milling cutter also can be right when the installation milling cutter carries out good locate function, has alleviateed the installation degree of difficulty.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic sectional structure view of a milling cutter clamping device and a milling cutter provided by the present invention;

FIG. 2 is a cross-sectional view of the first stationary portion of FIG. 1 clamped with a milling cutter;

fig. 3 is a schematic cross-sectional view of the second fixing portion of fig. 1 after clamping with a milling cutter.

[ detailed description ] embodiments

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 efforts belong to the protection scope of the present invention.

Please refer to fig. 1 to fig. 3. The utility model provides a milling cutter clamping device 100 for press from both sides tight milling cutter 200, milling cutter clamping device 100 includes body 10 and is fixed in first fixed part 20 and second fixed part 30 on the body 10, first fixed part 20 with second fixed part 30 is used for the centre gripping to be fixed milling cutter 200. Preferably, the body 10, the first fixing portion 20 and the second fixing portion 30 are integrally formed.

The first fixing portion 20 has a hollow cylindrical structure having an accommodating space 24, and the second fixing portion 30 is located in the accommodating space 24. Specifically, the first portion 20 includes an extension 21 extending from the body 10, a mounting hole 22 opened in the extension 21, and a fixing member 23 mounted in the mounting hole 22. The extension body 21 includes an inner surface 211 enclosing the receiving space 24 and an outer surface 212 disposed opposite to the inner surface 211, the mounting hole 22 includes a through hole 221 penetrating the extension body 21 from the outer surface 212 toward the inner surface 211 and a receiving groove 222 recessed from the inner surface 211 toward the outer surface 212, and the receiving groove 222 and the through hole 221 are communicated with each other. The fixing member 23 includes a clamping member 231 and a fastening member 232 fixedly connected to the clamping member 231, the shape and size of the clamping member 231 match with the shape and size of the receiving groove 222, and a portion of the fastening member 232 is inserted into the through hole 221 and fixedly connected to the clamping member 231. The inner wall of the through hole 221 is provided with internal threads, the part of the outer surface of the fastening piece 232 located in the through hole 221 is provided with external threads, the external threads of the fastening piece 232 are matched with the internal threads on the inner wall of the through hole 221, and the fixing piece 23 is correspondingly in threaded connection with the extension body 21. The clamping member 231 is fixed to one end of the fastening member 232, specifically, the clamping member 231 may be fixedly connected to the fastening member 232 through a hot-melting or threaded connection, for example, a threaded hole is formed in the clamping member 231 to allow the fastening member 232 to penetrate through, so that the fastening member 232 can drive the clamping member 231 to move. In this embodiment, the clamping member 231 is made of an elastic material, such as rubber, so that the clamping member 231 can better clamp the milling cutter 200. Preferably, there are three mounting holes 22, and the three mounting holes 22 are distributed in an annular array along the central axis of the extension body 21. Correspondingly, the fixing piece 23 is provided with three, and the fixing piece 23 is respectively corresponding to three of the mounting holes 22, so that the fastening effect is better.

The second fixing portion 30 has a cylindrical structure, and the central axis of the second fixing portion 30 and the central axis of the first fixing portion 20 are located on the same straight line. The second fixing portion 30 includes a body 31 and a recess groove 32 formed by recess from a surface of the body 31 close to the milling cutter 200 to a direction away from the milling cutter 200, the recess groove 32 includes a circular groove 321 and a fixing groove 322 communicating with the circular groove 321, the circular groove 321 includes a bottom wall 3211 away from the milling cutter 200 and a side wall 3212 connected to the bottom wall 3211, and the fixing groove 322 is formed by recess from the side wall 3212 to a direction away from a central axis of the body 31. Preferably, there are four fixing grooves 322, and the four fixing grooves 322 are distributed in an annular array along the central axis of the main body 31, so that the fastening effect is better.

The milling cutter 200 includes a cutting insert 40, a seat 50 fixedly connected to the cutting insert 40, and an extension portion 60 extending from a side surface of the seat 50 away from the cutting insert 40 to a direction away from the cutting insert 40, wherein the first fixing portion 20 clamps the seat 50 correspondingly, the second fixing portion 30 clamps the extension portion 60 correspondingly, and the cutting insert 40, the seat 50 and the extension portion 60 are integrally formed. The whole of the tool holder 50 and the extension part 60 are both cylinder-like, the central axes of the tool holder 50 and the extension part 60 are located on the same straight line, and the diameter of the extension part 60 is smaller than that of the tool holder 50. Specifically, the tool seat 50 has a size that matches a size of the receiving space 24, and the extension portion 60 has a size that matches the recess 32, so that the tool seat 50 can be mounted in the receiving space 24, and the extension portion 60 can be mounted in the recess 32.

Specifically, the insert seat 50 includes a first outer wall 51 and an installation groove 52 opened on the first outer wall 51, and the installation groove 52 is matched with the clamping member 231, so that the clamping member 231 can enter the installation groove 52 to clamp the milling cutter 200 under the pushing of the fastening member 232. Preferably, there are three mounting grooves 52, three mounting grooves 52 are distributed in an annular array along the central axis of the tool holder 50, and three mounting grooves 52 are disposed opposite to three receiving grooves 222.

The extension portion 60 includes a second outer wall 61 and an extension wall 62 extending from the second outer wall 61, and the extension wall 62 is matched with the fixing groove 322. Preferably, there are four extending walls 62, four extending walls 62 are distributed along the central axis of the extending portion 60 in an annular array, and four extending walls 62 are disposed corresponding to four fixing slots 322.

Compared with the prior art, the utility model provides a milling cutter clamping device 100 is through setting up first fixed part 20 with second fixed part 30 is right respectively milling cutter 200 presss from both sides tightly, and the fastening is respond well, and second fixed part 30 can not only play good spacing fastening effect, passes through simultaneously the depressed groove with milling cutter extend the cooperation between the wall, also can be right when the installation milling cutter 200 carries out good locate function, has alleviateed the installation degree of difficulty.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims (8)

1. A milling cutter clamping device is used for clamping a milling cutter and is characterized by comprising a body, a first fixing part and a second fixing part, wherein the first fixing part and the second fixing part are fixed on the body, the first fixing part is of a hollow cylindrical structure with an accommodating space, the second fixing part is positioned in the accommodating space, the first fixing part comprises an extending body formed by extending the body, a mounting hole formed in the extending body and a fixing part mounted in the mounting hole, the second fixing part comprises a main body and a concave groove formed by recessing the milling cutter from one side surface, close to the milling cutter, of the main body in a direction away from the milling cutter direction, the concave groove comprises a circular groove and a fixing groove mutually communicated with the circular groove, the milling cutter comprises a cutter head, a cutter seat fixedly connected with the cutter head and an extending part formed by extending from the side surface, away from the cutter head, in a direction away from the cutter seat in a direction away from the cutter head, the size of the tool apron is matched with that of the accommodating space, the size of the extending part is matched with that of the concave groove, the first fixing part correspondingly clamps the tool apron, and the second fixing part correspondingly clamps the extending part.

2. The milling cutter clamping device according to claim 1, wherein the extension body includes an inner surface enclosing the receiving space and an outer surface disposed opposite to the inner surface, the mounting hole includes a through hole penetrating the extension body from the outer surface toward the inner surface and a receiving groove recessed from the inner surface toward the outer surface, and the receiving groove and the through hole communicate with each other.

3. The milling cutter clamping device according to claim 2, wherein the fixing member includes a clamping member and a fastening member fixedly connected to the clamping member, the clamping member being sized and shaped to match the receiving recess.

4. The milling cutter clamping device according to claim 3, wherein an inner wall of the through hole is provided with an internal thread, a part of an outer surface of the fastening member located in the through hole is provided with an external thread, the external thread of the fastening member is matched with the internal thread on the inner wall of the through hole, the fixing member is correspondingly in threaded connection with the extension body, and the clamping member is fixed to one end of the fastening member.

5. The milling cutter clamping device according to claim 4, wherein there are three mounting holes, three mounting holes are distributed in an annular array along the central axis of the extension body, and there are three fixing members, one for each of the three mounting holes.

6. The milling cutter clamping device according to claim 5, wherein the holder includes a first outer wall and three mounting grooves formed in the first outer wall, the mounting grooves being sized and shaped to match the size and shape of the clamping member, the three mounting grooves being arranged in an annular array along a central axis of the holder, the three mounting grooves being disposed opposite the three receiving grooves.

7. The milling cutter clamping device according to claim 6, wherein the circular recess includes a bottom wall on a side remote from the milling cutter and a side wall connected to the bottom wall, and the fixing groove is formed by being recessed from the side wall in a direction away from the central axis of the body.

8. The milling cutter clamping device according to claim 7, wherein the number of the fixing grooves is four, four of the fixing grooves are distributed in an annular array along the central axis of the main body, the extension portion includes a second outer wall and extension walls extending outwardly from the second outer wall, the extension walls are formed in a shape and size matching the shape and size of the fixing grooves, the number of the extension walls is four, the four extension walls are distributed in an annular array along the central axis of the extension portion, and the four extension walls are disposed corresponding to the four fixing grooves.

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