CN212761365U - Multi-arc-line ball-end milling cutter - Google Patents

Abstract

The utility model discloses a many arcs ball head milling cutter, including the cutter arbor, the joint groove has been seted up to the one end of cutter arbor, the joint is installed to the inboard activity grafting block in joint groove, be provided with location grafting subassembly between joint and the joint groove, the both sides outer wall all integrated into one piece of joint is provided with spacing post. This multi-arc line ball-end milling cutter, in the course of working, when spherical hair takes place to damage the trouble, perhaps need process when needing to be changed to the part of different model specifications, the accessible is artifical to press down the locating piece and make it contract joint inslot side, and carry out the roll-off to external world along the direction spout of joint inslot wall, make the joint break away from joint inslot side, the realization separates spherical head and cutter arbor in real time, otherwise peg graft joint groove and joint each other, make between locating piece and the locating hole each other the joint that inserts and can realize the installation, make the change operation convenient more fast and simple and efficiency is higher.

Description

Multi-arc-line ball-end milling cutter

Technical Field

The utility model discloses machining technical field specifically is a many arcs bulb milling cutter.

Background

A milling cutter is a rotary cutter with one or more cutter teeth for milling, when in use, each cutter tooth cuts off the allowance of a workpiece intermittently in sequence, the milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cutting off the workpiece and the like on a milling machine, the spherical milling cutter is mainly used for cutting arc-shaped surfaces and processing surface forming, special-shaped profiles and the like, the cutting edge of the milling cutter is mainly in contact with the surface of the workpiece at the bottom and the peripheral part of the bottom in the cutting process, the upper part of the cutting edge is not in contact with the surface of the workpiece, and the cutting edge part of the milling cutter is generally made of materials such as hard alloy, ceramics, cermet, cubic boron nitride and the like.

At present traditional spherical milling cutter is usually integrative, can't dismantle, especially after the tool bit of milling cutter damages, can't realize only changing the tool bit through dismantling to cause whole milling cutter's waste, and in the manufacturing process, often can use the tool bit of different specifications, and when changing the tool bit, need change whole milling cutter, not only wasted the cost of milling cutter, long-term the coming down also can cause the damage of milling cutter lathe junction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many arcs ball head milling cutter, in order to solve present traditional ball milling cutter that proposes in the above-mentioned background art usually integrative, can't dismantle, especially after milling cutter's tool bit damages, can't realize only changing the tool bit through dismantling, thereby cause whole milling cutter's waste, and in the manufacturing process, often can use the tool bit of different specifications, and when changing the tool bit, need change whole milling cutter, milling cutter's cost has not only been wasted, get off for a long time and also can cause the problem of the damage of milling cutter lathe junction.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a many arcs ball-end milling cutter, includes the cutter arbor, the joint groove has been seted up to the one end of cutter arbor, the joint is installed to the inboard activity grafting block in joint groove, be provided with location grafting subassembly between joint and the joint groove, the both sides outer wall all integrated into one piece of joint is provided with spacing post, spacing post vertically arranges along joint top-down, one side integrated into one piece of joint is provided with the cutter body, the outer end of cutter body is provided with spherical head.

Preferably, the location plug-in components include the sleeve of fixed mounting in joint bottom both sides, telescopic inboard bottom fixed mounting has the connecting block, and the equal fixed mounting in one side of connecting block has buffer spring.

Preferably, the outer ends of the buffer springs are fixedly provided with positioning blocks, the inner walls of two sides of the clamping grooves corresponding to the positioning blocks penetrate through the cutter bar and are provided with positioning holes, and the positioning holes and the positioning blocks are mutually inserted and clamped.

Preferably, the both sides inner wall in joint groove all is provided with the direction spout, the length of direction spout is less than the length in joint groove, and the sliding conflict is connected between direction spout and the spacing post.

Preferably, the spherical head is of an oval structure with multiple arcs arranged in an inverted and symmetrical mode, and the surface of the cutter body is provided with chip grooves in a surrounding mode.

Preferably, the outer edge of the spherical head is provided with a helical angle, and the spherical heads are provided with clamping blocks integrally formed with each other.

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

this many arcs ball-end milling cutter through setting up the ball-shaped head for having the oval structure of many arcs inversion symmetry to and use through the cooperation of helix angle and block, adopt many arcs to design and can make the whole more laborsaving of practical sphere processing, make milling cutter whole more durable simultaneously, connection stability is better between the part in the use.

This multi-arc line ball-end milling cutter, in the course of working, when spherical hair takes place to damage the trouble, perhaps need process when needing to be changed to the part of different model specifications, the accessible is artifical to press down the locating piece and make it contract joint inslot side, and carry out the roll-off to external world along the direction spout of joint inslot wall, make the joint break away from joint inslot side, the realization separates spherical head and cutter arbor in real time, otherwise peg graft joint groove and joint each other, make between locating piece and the locating hole each other the joint that inserts and can realize the installation, make the change operation convenient more fast and simple and efficiency is higher.

Drawings

Fig. 1 is a front view of the present invention;

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

fig. 3 is a side view of a spherical head portion of the present invention;

FIG. 4 is a schematic view of a helix angle portion of the present invention;

fig. 5 is an exploded view of the spherical head of the present invention;

FIG. 6 is a schematic view of the structure of the blade body of the present invention;

fig. 7 is a schematic structural view of a chip groove part of the present invention;

fig. 8 is a schematic structural diagram of a part of the positioning plug-in module of the present invention.

In the figure: 1. a spherical head; 2. a chip groove; 3. a cutter body; 4. positioning blocks; 5. a cutter bar; 6. a clamping groove; 7. a limiting column; 8. a guide chute; 9. a clamping head; 10. positioning the plug-in assembly; 11. a helix angle; 12. connecting blocks; 13. a sleeve; 14. a buffer spring; 15. a clamping block; 16. and (7) positioning the holes.

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. 1-8, the present invention provides a technical solution: a multi-arc ball-end milling cutter comprises a cutter bar 5, wherein one end of the cutter bar 5 is provided with a clamping groove 6, the inner side of the clamping groove 6 is movably inserted and clamped with a clamping head 9, a positioning inserting component 10 is arranged between the clamping head 9 and the clamping groove 6, the outer walls of two sides of the clamping head 9 are all integrally formed with a limiting column 7, the limiting columns 7 are longitudinally arranged along the clamping head 9 from top to bottom, the interference force between the clamping head 9 and the clamping groove 6 can be increased, the cutter body 3 is prevented from shaking due to gaps in the machining process, the integral accuracy of machining is influenced, one side of the clamping head 9 is integrally formed with a cutter body 3, the outer end of the cutter body 3 is provided with a ball-end 1, the positioning inserting component 10 comprises sleeves 13 fixedly arranged at two sides of the bottom of the clamping head 9, the inner bottom ends of the sleeves 13 are fixedly provided, when spherical head 1 takes place to damage the trouble in the course of working, perhaps need process when needing to be changed the part of different model specifications, the accessible is artifical to press down locating piece 4 and is made it contract to 6 inboards in joint groove, and carry out the roll-off to external world along the direction spout 8 of 6 inner walls in joint groove, make joint 9 break away from 6 inboards in joint groove, the realization separates spherical head 1 and cutter arbor 5 in real time, otherwise peg graft joint groove 6 and joint 9 each other, make between locating piece 4 and the locating hole 16 each other the joint of inserting and can realize the installation.

The outer ends of the buffer springs 14 are fixedly provided with positioning blocks 4, the inner walls of two sides of the clamping groove 6 corresponding to the positioning blocks 4 are provided with positioning holes 16 penetrating through the cutter bar 5, the positioning holes 16 and the positioning blocks 4 are mutually inserted and clamped, the inner walls of two sides of the clamping groove 6 are provided with guide chutes 8, the length of each guide chute 8 is smaller than that of the corresponding clamping groove 6, the deviation of the clamping head 9 and the clamping groove 6 in the process of splicing can be prevented, the positioning blocks 4 and the positioning holes 16 cannot be accurately butted, the guide chutes 8 and the limiting columns 7 are connected in a sliding and abutting mode, the spherical head 1 is of an oval structure with multiple arcs in an inverted and symmetrical arrangement, the surface of the cutter body 3 is provided with chip removal grooves 2 in a surrounding mode, the outer edge of the spherical head 1 is provided with a helical angle 11, the clamping blocks 15 are integrally formed between the spherical heads, and simultaneously, the milling cutter can be more durable as a whole.

The working principle is as follows: when a mechanic of a milling machine needs to use the milling cutter, the milling cutter can be fixedly connected with a power driving mechanism on the milling machine through a cutter bar 5 for processing operation, when the spherical head 1 is damaged and fails in the processing process or parts with different models and specifications need to be processed and replaced, the positioning block 4 can be contracted to the inner side of the clamping groove 6 by manually pressing the positioning block 4 and can slide out along the guide sliding groove 8 on the inner wall of the clamping groove 6 to the outside, so that the clamping head 9 can be separated from the inner side of the clamping groove 6, the spherical head 1 and the cutter bar 5 can be separated in real time, otherwise, the clamping groove 6 and the clamping head 9 are mutually inserted, the positioning block 4 and the positioning hole 16 are mutually inserted and clamped, the installation can be realized, meanwhile, the spherical head 1 is arranged into an oval structure with multiple arc lines in inverted symmetry, and the spiral angle 11 and the clamping block 15 are matched for use, the adoption of the multi-arc design can make the practical spherical surface more labor-saving in processing and the milling cutter more durable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (6)

1. A multi-arc ball-end milling cutter comprises a cutter bar (5), and is characterized in that: the cutter bar is characterized in that a clamping groove (6) is formed in one end of the cutter bar (5), a clamping head (9) is installed on the inner side of the clamping groove (6) in a movable inserting and connecting mode, a positioning inserting and connecting assembly (10) is arranged between the clamping head (9) and the clamping groove (6), the outer walls of the two sides of the clamping head (9) are provided with limiting columns (7) in an integrated mode, the limiting columns (7) are longitudinally arranged along the clamping head (9) from top to bottom, a cutter body (3) is arranged on one side of the clamping head (9) in an integrated mode, and a spherical head (1) is arranged at the outer end of the.

2. A multi-arc ball nose milling cutter as defined in claim 1, wherein: location plug-in components (10) include sleeve (13) of fixed mounting in joint (9) bottom both sides, the inboard bottom fixed mounting of sleeve (13) has connecting block (12), and the equal fixed mounting in one side of connecting block (12) has buffer spring (14).

3. A multi-arc ball nose milling cutter as defined in claim 2, wherein: the outer end of buffer spring (14) all fixed mounting have locating piece (4), joint groove (6) both sides inner wall that locating piece (4) correspond runs through cutter arbor (5) and has seted up locating hole (16), and inserts the joint each other between locating hole (16) and locating piece (4).

4. A multi-arc ball nose milling cutter as defined in claim 1, wherein: the both sides inner wall of joint groove (6) all is provided with direction spout (8), the length of direction spout (8) is less than the length of joint groove (6), and the sliding conflict is connected between direction spout (8) and spacing post (7).

5. A multi-arc ball nose milling cutter as defined in claim 1, wherein: the spherical head (1) is of an oval structure with multiple arcs arranged in an inverted and symmetrical mode, and the surface of the cutter body (3) is provided with chip removal grooves (2) in a surrounding mode.

6. A multi-arc ball nose milling cutter as defined in claim 1, wherein: the outer edge of the spherical head (1) is provided with a helical angle (11), and clamping blocks (15) are integrally formed between the spherical heads (1).

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