CN209206560U - A kind of anti-milling cutter of two-sided twolip of centering type - Google Patents

Abstract

The utility model discloses a kind of anti-milling cutters of the two-sided twolip of centering type, including knife handle, cutter head；The cutter head is made of interconnecting piece I and interconnecting piece II；Wherein, interconnecting piece I with knife handle to be connected, and the front of interconnecting piece II is equipped with arrangement up and down and four symmetrical grooves, the positioning surface of two grooves of same side are generally aligned in the same plane；It is respectively provided with a cutter holder in each groove, anti-cutter blade is installed again on the cutter holder, passes through four anti-cutter blade simultaneous processings arranged up and down two sides inner face；Wherein the anti-cutter blade in outside on cutter head one side is responsible for the biggish end face in processing outside, and the anti-cutter blade in inside is responsible for the lesser face in processing inside.The utility model can be improved large-sized structural parts inner face processing quality and efficiency, and surface roughness is up to Ra≤3.2um；And the anti-milling cutter is designed using two-sided twolip, it can processing two sides inner face, and solve hole facet problem unmanageable greatly.

Description

A kind of anti-milling cutter of two-sided twolip of centering type

Technical field

The utility model relates to a kind of numerical control machining cutters, process anti-milling more particularly to a kind of large-sized structural parts inner face Cutter belongs to metal cutting process field.

Background technique

In machining, inner face processing is a kind of common form, with advances in technology, the processing to inner face Quality and efficiency requirements are higher and higher.Certain inner faces of large-sized structural parts have the characteristics that hole facet is big, due to big by aperture Small limitation is usually unable to complete the processing of entire surface using the anti-milling cutter of standard.

Carrying out inner face processing using inner end facing cut face special plane or accessories mill-head is relatively good scheme, but due to certain interior End face span is too small, and special plane or accessories mill-head can not be moved among home record and not be available and configure the above equipment price height It is high；It currently generalling use the anti-method scraped and carries out inner face processing, but anti-processing efficiency of scraping is extremely low, machined surface roughness is poor, Serious vibration in process.It would therefore be highly desirable to a kind of large-sized structural parts inner face processing dedicated tool be developed, to improve inner face Processing quality and efficiency.

Summary of the invention

The purpose of this utility model is the deficiency for prior art portion, provides a kind of large-sized structural parts inner face high quality The anti-milling cutter of the two-sided twolip of centering type of high efficiency processing.

In order to solve the above technical problems, the technical solution of the utility model are as follows:

A kind of anti-milling cutter of two-sided twolip of centering type, including knife handle, cutter head；The cutter head is by interconnecting piece I and II group of interconnecting piece At；Wherein, interconnecting piece I with knife handle to be connected, and the front of interconnecting piece II is equipped with arrangement and four symmetrical grooves up and down, together The positioning surface of two grooves of one side is generally aligned in the same plane；It is respectively provided with a cutter holder in each groove, pacifies again on the cutter holder Equipped with anti-cutter blade, pass through four anti-cutter blade simultaneous processings arranged up and down two sides inner face；Wherein on cutter head one side The anti-cutter blade in outside is responsible for the biggish end face in processing outside, and the anti-cutter blade in inside is responsible for the lesser face in processing inside.

Further, the boss axis at the top of the knife handle is installed in the pin shaft hole in interconnecting piece I, and passes through fastener for two Person is fixed together.

Further, corresponding keyway is equipped on interconnecting piece I and knife handle, be interspersed in keyway by positioning key and The fixation of positioning key fixing bolt is not so that cutter head may be rotatably mounted on knife handle, then be realized by the fastening of cutter head fixing bolt Cutter head axial restraint on knife handle.

Further, the cutter holder movable is connected in groove.

Further, top is equipped with knife position slot on the cutter holder, and blade screw threaded hole is equipped in the knife position slot, passes through knife Piece fastening screw is fixed on anti-cutter blade in the slot of knife position；The cutter holder middle and back is equipped with oval counter sink, sets in groove There is inclined cutter holder screw thread hole, is tightened on cutter holder screw thread hole after passing through oval counter sink by cutter holder lock-screw In, so that cutter holder be fixed；The cutter holder rear portion, which is equipped with, adjusts screw thread hole, is additionally provided with adjusting screw in a groove, the tune Section screw, which is spun on, to be adjusted in screw thread hole, to realize the adjusting before and after cutter holder.

Further, the back side of interconnecting piece II is set there are two inclined-plane, and two inclined-planes are symmetric, for mitigating cutter head weight Amount.

Further, the connector between upper and lower two grooves is equipped with arc groove, discharges to iron filings.

Further, the point of a knife position of the anti-cutter blade and the knife handle central axis are in same plane.

Further, after the anti-cutter blade installation in the same side, it is less than 0.05mm in knife handle axial height error.

Further, the knife handle is standard BT50 knife handle.

The utility model the utility model has the advantages that

The utility model can be improved large-sized structural parts inner face processing quality and efficiency, surface roughness up to Ra≤ 3.2um；And the anti-milling cutter is designed using two-sided twolip, it can processing two sides inner face, and solve hole facet and be difficult to greatly The problem of processing.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the anti-milling cutter of the two-sided twolip of centering type of the utility model；

Fig. 2 is the portion A enlarged drawing in Fig. 1；

Fig. 3 is the structural schematic diagram of cutter head in the anti-milling cutter of the two-sided twolip of centering type of the utility model；

Fig. 4 is the structural schematic diagram of cutter holder in the anti-milling cutter of the two-sided twolip of centering type of the utility model.

Specific embodiment

To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.In the accompanying drawings, from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Described reality Applying example is the utility model a part of the embodiment, instead of all the embodiments.Below with reference to the embodiment of attached drawing description It is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.It is practical new based on this Embodiment in type, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, fall within the protection scope of the utility model.The embodiments of the present invention are described in detail with reference to the accompanying drawing.

As shown in Figure 1 and Figure 2, the anti-milling cutter of the two-sided twolip of a kind of centering type, including knife handle 11, cutter head 14；Cutter head 14 is by connecting Portion I and interconnecting piece II form；Wherein, for interconnecting piece I to be connected with knife handle 11, the front of interconnecting piece II is equipped with arrangement and phase up and down Symmetrical four grooves 144, the positioning surface of two grooves 144 of same side are generally aligned in the same plane；It is each in each groove 144 Equipped with a cutter holder 16, anti-cutter blade is installed again on the cutter holder 16, passes through four arranged up and down anti-cutter blade simultaneous processings Two sides inner face；Wherein it is responsible for the biggish end face in processing outside for 20, the anti-milling cutter in outside on 14 one side of cutter head, inside is counter to be milled 17, knife are responsible for the lesser face in processing inside.

It is given below in above-described embodiment and connect embodiment with cutter head 14 about knife handle 11:

The boss axis at 11 top of knife handle is installed in the pin shaft hole 141 in interconnecting piece I, and is fixed the two by fastener Together.

Preferred embodiment: it is equipped with corresponding keyway 142 on interconnecting piece I and knife handle 11, is interspersed in by positioning key 13 In keyway 142 and the fixation of positioning key fixing bolt 12 is not so that cutter head 14 may be rotatably mounted on knife handle 11, then pass through knife The axial restraint on knife handle 11 of cutter head 14 is realized in the fastening of head fixing bolt 15.

Further scheme: 16 movable of cutter holder is connected in groove 144.

The specific embodiment in above-described embodiment about movable connection is given below:

As shown in Figure 3, Figure 4, top is equipped with knife position slot 161 on cutter holder 16, and blade screw spiral shell is equipped in the knife position slot 161 Pit 162 is fixed on anti-cutter blade in knife position slot 161 by blade fastened screws 21；16 middle and back of cutter holder is equipped with ellipse Shape counter sink 163 is equipped with inclined cutter holder screw thread hole 146 in groove 144, passes through ellipse by cutter holder lock-screw 19 It is tightened on after counter sink 163 in cutter holder screw thread hole 146, so that cutter holder 16 is fixed；16 rear portion of cutter holder, which is equipped with, adjusts screw Threaded hole 164 is additionally provided in groove 144 and adjusts screw 18, which, which is spun on, is adjusted in screw thread hole 164, uses To realize the adjusting of 16 front and back of cutter holder.

It should be noted that in above-described embodiment, the back side of interconnecting piece II sets that there are two inclined-planes 145, and two inclined-planes 145 It is symmetric, for mitigating 14 weight of cutter head, as shown in Figure 3.

Connector between upper and lower two grooves 144 is equipped with arc groove 143, discharges to iron filings, sees Fig. 3 institute Show.

The point of a knife position of anti-cutter blade and 11 central axis of knife handle are in same plane.The anti-cutter blade installation in the same side Afterwards, it is less than 0.05mm in 11 axial height error of knife handle.

Knife handle 11 is standard BT50 knife handle.Blind rivet 10 is additionally provided in 11 bottom of knife handle.

Can to sum up obtain: the utility model can be improved large-sized structural parts inner face processing quality and efficiency, surface roughness Up to Ra≤3.2um；And the anti-milling cutter is designed using two-sided twolip, it can processing two sides inner face, and it is small to solve hole Face problem unmanageable greatly.

A kind of specific use process of the anti-milling cutter of the two-sided twolip of centering type of the utility model are as follows: first by machine tool chief axis into Row orientation, is installed on machine tool chief axis for the anti-milling cutter of the two-sided twolip of centering type described above, and then machine tool chief axis is to 14 direction of cutter head Opposite direction it is mobile make cutter head 14 deeply in machined surface, then machine tool chief axis rotation carries out inner end by the way of spiral interpolation The anti-Milling Machining in face, wherein the anti-cutter blade 20 in outside is responsible for the biggish end face in processing outside, the anti-cutter blade 17 in inside is responsible in processing The lesser face in side, completes the processing of entire inner face by above-mentioned two anti-cutter blade, and two of eccentric anti-milling cutter other side Anti- cutter blade processes another side end face using same processing method.

Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model In range.

Claims (10)

1. a kind of anti-milling cutter of two-sided twolip of centering type, including knife handle, cutter head；It is characterized by: the cutter head is by interconnecting piece I and even Socket part II forms；

Wherein, for interconnecting piece I to be connected with knife handle, the front of interconnecting piece II is equipped with arrangement and four symmetrical grooves up and down, The positioning surface of two grooves of same side is generally aligned in the same plane；

It is respectively provided with a cutter holder in each groove, anti-cutter blade is installed again on the cutter holder, it is anti-by four arranged up and down Cutter blade simultaneous processing two sides inner face；Wherein the anti-cutter blade in outside on cutter head one side is responsible for the biggish end in processing outside Face, the anti-cutter blade in inside are responsible for the lesser face in processing inside.

2. a kind of anti-milling cutter of the two-sided twolip of centering type according to claim 1, it is characterised in that: convex at the top of the knife handle Platform axis is installed in the pin shaft hole in interconnecting piece I, and the two is fixed together by fastener.

3. a kind of anti-milling cutter of the two-sided twolip of centering type according to claim 2, it is characterised in that: in interconnecting piece I and knife handle On be equipped with corresponding keyway, be interspersed in keyway by positioning key and the fixation of positioning key fixing bolt so that cutter head not It may be rotatably mounted on knife handle, then cutter head axial restraint on knife handle realized by the fastening of cutter head fixing bolt.

4. a kind of anti-milling cutter of the two-sided twolip of centering type according to claim 1, it is characterised in that: the cutter holder movable It is connected in groove.

5. a kind of anti-milling cutter of the two-sided twolip of centering type according to claim 4, it is characterised in that: top is set on the cutter holder There is knife position slot, blade screw threaded hole is equipped in the knife position slot, makes anti-cutter blade be fixed on knife by blade fastened screws In the slot of position；

The cutter holder middle and back is equipped with oval counter sink, is equipped with inclined cutter holder screw thread hole in groove, is locked by cutter holder Tight screw is tightened in cutter holder screw thread hole after passing through oval counter sink, so that cutter holder be fixed；

The cutter holder rear portion, which is equipped with, adjusts screw thread hole, is additionally provided with adjusting screw in a groove, which is spun on adjusting In screw thread hole, to realize the adjusting before and after cutter holder.

6. a kind of anti-milling cutter of the two-sided twolip of centering type according to claim 1, it is characterised in that: the back side of interconnecting piece II is set There are two inclined-planes, and two inclined-planes are symmetric, for mitigating cutter head weight.

7. a kind of anti-milling cutter of the two-sided twolip of centering type according to claim 1, it is characterised in that: be located at upper and lower two grooves Between connector be equipped with arc groove, to iron filings discharge.

8. a kind of anti-milling cutter of the two-sided twolip of centering type according to claim 1, it is characterised in that: the knife of the anti-cutter blade Sharp position and the knife handle central axis are in same plane.

9. a kind of anti-milling cutter of the two-sided twolip of centering type according to claim 1, it is characterised in that: the anti-cutter blade peace in the same side After dress, it is less than 0.05mm in knife handle axial height error.

10. a kind of anti-milling cutter of the two-sided twolip of centering type according to claim 1, it is characterised in that: the knife handle is standard BT50 knife handle.