CN209773569U - High stability terminal surface annular mills cutter arbor - Google Patents
High stability terminal surface annular mills cutter arbor Download PDFInfo
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- CN209773569U CN209773569U CN201920395534.7U CN201920395534U CN209773569U CN 209773569 U CN209773569 U CN 209773569U CN 201920395534 U CN201920395534 U CN 201920395534U CN 209773569 U CN209773569 U CN 209773569U
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- grooving blade
- plane
- tool bit
- knife
- blade
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Abstract
The utility model provides a high stability end face annular groove milling cutter arbor, including handle of a knife, tool bit, arc breach, first grooving blade, second grooving blade, the tool bit is installed to the handle of a knife front end, be provided with two arc breaches along tool bit excircle centre of a circle symmetry on the tool bit, the arc breach includes the plane that is provided with the blade mount pad, the plane of arc breach and the handle of a knife axial direction is parallel, the tool bit terminal surface of the tool bit front portion is the plane, the plane department of the arc breach that is close to tool bit terminal surface department is provided with first grooving blade, second grooving blade, first grooving blade, second grooving blade symmetry set up, the knife tip surpasss the tool bit terminal surface outwards, first grooving blade, second grooving blade pass through the clamp plate to be fixed in the double inclined plane mount pad, and the bottom is provided with holding screw, the double inclined plane mount pad that this guide arm adopted is two backer, and the bottom is provided with holding screw auxiliary bearing, and stability is higher, can adopt big feed, and machining efficiency is high.
Description
Technical Field
The utility model belongs to the metal cutting tool field, concretely relates to high stability end face annular mills cutter arbor.
Background
The end face ring groove milling cutter is used for leaving a ring groove with a corresponding specification on a workpiece, as shown in an attached drawing 1 of the specification, a milling cutter with the same or small width as the ring groove is adopted for processing some ring grooves, the milling cutter rotates at a high speed, rotates around the center of the ring groove in a reciprocating mode and feeds downwards, the processing mode has high requirements on numerical control of a processing center, and the processing mode is mainly applied to small-batch parts and has overlong processing time. For large-batch workpieces, a customized forming groove cutter is mostly adopted, the groove cutting blade is eccentrically arranged, the groove cutting blade in the mode mostly adopts a side backer, nuts are fastened, in practical application, a low-speed surrounding processing mode is mostly adopted, the feeding amount is small, and the processing efficiency is low; if the feeding amount is large, the stability is not high due to uneven stress, and the slotting blade is easy to break or fall off.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the to-be-solved technical problem of the utility model is that current terminal surface annular mills cutter arbor stability not strong, and the feed volume is big, encircles that the grooving blade collapses the sword easily or drops when fast, can only adopt little feed volume, leads to machining efficiency low.
In order to solve the technical problem, the utility model provides a high-stability cutter bar for milling end face ring grooves, which comprises a cutter handle, a cutter head, an arc notch, a first grooving blade and a second grooving blade,
The front end of the knife handle is provided with a knife head which is a cylinder and is provided with two symmetrical transverse planes in parallel with the axis of the knife handle, the knife head is symmetrically provided with two arc-shaped notches along the excircle center of the knife head, the arc-shaped notches comprise planes provided with blade mounting seats, the planes of the arc-shaped notches are parallel to the axial direction of the knife handle,
The anterior tool bit terminal surface of tool bit is the plane, is close to the plane department of the arc breach of tool bit terminal surface department is provided with first grooving blade, second grooving blade, first grooving blade, second grooving blade symmetry set up, and the knife tip surpasss outwards the tool bit terminal surface, first grooving blade, second grooving blade pass through the clamp plate to be fixed in the double inclined plane mount pad, the double inclined plane mount pad is rectangular pit, and the face that the both sides are relative is the inclined plane, and hugs closely with first grooving blade, second grooving blade.
Furthermore, the included angle between the inclined plane close to the center of the tool bit and the axis of the tool holder of the double-inclined-plane mounting seat is a, the included angle between the inclined plane far away from the center of the tool bit and the axis of the tool holder is b, the double-inclined-plane mounting seat comprises a bottom plane, and the included angle between the normal direction of the bottom plane and the axis of the tool holder is c.
Further, the included angle a is 18 degrees, the included angle b is 8 degrees, and the included angle c is 5 degrees.
furthermore, a through threaded hole is formed in the tool bit below the double-inclined-surface mounting seat, a hexagon socket set screw can be screwed into the threaded hole, and the set screw can apply acting force to the bottom surfaces of the first grooving blade and the second grooving blade to play a role in auxiliary supporting.
Further, the type of the set screw is M3, and the type of the pressure plate is CPS-6V.
Further, in order to reduce the weight, the bottom of the cutter head is provided with a 15-degree chamfer.
Further, in order to improve the strength of the cutter and prolong the service life, the guide rod and the cutter head are subjected to thermal refining and nitriding by HBC 28-32.
Further, a screw fastening surface is arranged on the tool handle, the screw fastening surface is a slender plane, and a bolt penetrates through the main shaft connecting part and is fixed on the screw fastening surface.
Further, the distance between the two transverse planes is 50% to 70% of the diameter of the cutting head.
Further, the width of the first grooving blade and the width of the second grooving blade are the same as the width of the annular groove, and the model of at least one of the first grooving blade and the second grooving blade is GVFR300-020B PR 930.
The utility model has the advantages that:
1. The utility model discloses a two inclined plane mount pads be two backer, and the bottom is provided with holding screw auxiliary bearing, and stability is higher, can adopt the big feed, and machining efficiency is high.
2. two symmetrical grooving blades are adopted to cut the annular groove of the workpiece, so that the service life is longer, and the deformation caused by uneven stress of the tool bit is avoided;
3. the screw fastening surface is arranged on the cutter handle, so that the guide rod is more stably clamped;
4. Unnecessary positions on the cutter head are lightened through the transverse plane and the chamfer, and the energy consumption is less.
Drawings
Fig. 1 is a schematic view of a workpiece to be processed according to the present invention;
Fig. 2 is a front view of the milling cutter bar for the high-stability end face ring groove of the present invention;
Fig. 3 is a left side view of the milling cutter bar for the high-stability end face ring groove of the present invention;
Fig. 4 is an enlarged view of a portion a of fig. 2.
In the figure: the cutting tool comprises an arc-shaped notch, a transverse plane, a cutter head, a first grooving blade, a fastening screw, a second grooving blade, a pressing plate, a cutter head end face, a cutter handle, a screw fastening face, a workpiece, a 12-shaped annular groove and a 13-shaped double-inclined-face mounting seat, wherein the arc-shaped notch is arranged at the position of the transverse plane, the cutter head is arranged at the position of the cutter head, the first grooving blade is.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.
As shown in fig. 2 and 3, the milling cutter bar for the end face ring groove with high stability comprises a cutter handle 9, a cutter head 3, an arc-shaped notch 1, a first grooving blade 4 and a second grooving blade 6,
The front end of the knife handle 9 is provided with a knife head 3, the knife head 3 is a cylinder, two symmetrical transverse planes 2 are arranged in parallel with the axis of the knife handle 9, two arc-shaped notches 1 are symmetrically arranged on the knife head 3 along the excircle center of the knife head 3, the arc-shaped notches 1 comprise planes provided with blade mounting seats, the planes of the arc-shaped notches 1 are axially parallel to the knife handle 9,
The tool bit end face 8 at the front part of the tool bit 3 is a plane, the plane of the arc notch 1 close to the tool bit end face 8 is provided with a first grooving blade 4 and a second grooving blade 6, the first grooving blade 4 and the second grooving blade 6 are symmetrically arranged, the tool tip outwards exceeds the tool bit end face 8,
As shown in fig. 4, the first grooving blade 4 and the second grooving blade 6 are fixed in a double-bevel mounting seat 13 through a pressing plate 7, the double-bevel mounting seat 13 is a long-strip pit, and the opposite surfaces at the two sides are bevels and are tightly attached to the first grooving blade 4 and the second grooving blade 6.
In practical application, an included angle between an inclined plane of the double-inclined-plane mounting seat 13 close to the center of the tool bit 3 and the axis of the tool shank 9 is a, an included angle between an inclined plane far away from the center of the tool bit 3 and the axis of the tool shank 9 is b, the double-inclined-plane mounting seat 13 comprises a bottom plane, and an included angle between the normal direction of the bottom plane and the axis of the tool shank 9 is c.
In practical application, the included angle a is 18 degrees, the included angle b is 8 degrees, and the included angle c is 5 degrees.
In practical application, a through threaded hole is formed in the tool bit 3 below the double-inclined-surface mounting seat 13, a hexagon socket set screw 5 can be screwed into the threaded hole, and the set screw 5 can apply acting force to the bottom surfaces of the first grooving blade 4 and the second grooving blade 6 to play a role in auxiliary supporting.
In practical application, the setting screw 5 is M3, and the pressure plate 7 is CPS-6V.
In practical application, the bottom of the cutter head 3 is provided with a 15-degree chamfer for reducing weight.
in practical application, in order to improve the strength of the cutter and prolong the service life, the guide rod and the cutter head 3 are subjected to HBC28-32 thermal refining and nitriding.
In practical application, a screw fastening surface 10 is arranged on the tool holder 9, the screw fastening surface 10 is a slender plane, and a bolt penetrates through the main shaft connecting part and is fixed on the screw fastening surface 10.
in practice, the distance between the two transverse planes 2 is 50% to 70% of the diameter of the cutting head 3.
In practical application, the widths of the first grooving insert 4 and the second grooving insert 6 are the same as the width of the annular groove, and the model of at least one of the first grooving insert 4 and the second grooving insert 6 is GVFR300-020B PR 930.
to sum up, the utility model discloses a two inclined plane mount pads be two backer, and the bottom is provided with holding screw auxiliary bearing, and stability is higher, can adopt the big feed, and machining efficiency is high.
the foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (10)
1. The utility model provides a high stability face annular mills cutter arbor which characterized in that: comprises a knife handle (9), a knife head (3), an arc-shaped notch (1), a first grooving blade (4) and a second grooving blade (6),
The front end of the knife handle (9) is provided with a knife head (3), the knife head (3) is a cylinder, two symmetrical transverse planes (2) are arranged in parallel with the axis of the knife handle (9), two arc notches (1) are symmetrically arranged on the knife head (3) along the excircle circle center of the knife head (3), each arc notch (1) comprises a plane provided with a blade mounting seat, the planes of the arc notches (1) are axially parallel to the knife handle (9),
The utility model discloses a cutter head, including cutter head (3), the plane of the anterior cutter head terminal surface (8) of cutter head (3) is located the arc breach (1) plane department and is provided with first grooving blade (4), second grooving blade (6), first grooving blade (4), second grooving blade (6) symmetry set up, and the knife tip surpasss outwards cutter head terminal surface (8), first grooving blade (4), second grooving blade (6) are fixed in double inclined plane mount pad (13) through clamp plate (7), double inclined plane mount pad (13) are rectangular pit, and the face that the both sides are relative is the inclined plane, and hug closely with first grooving blade (4), second grooving blade (6).
2. The high-stability end face ring groove milling cutter bar as claimed in claim 1, wherein: the included angle between the inclined plane close to the center of the tool bit (3) and the axis of the tool handle (9) of the double-inclined-plane mounting seat (13) is a, the included angle between the inclined plane far away from the center of the tool bit (3) and the axis of the tool handle (9) is b, the double-inclined-plane mounting seat (13) comprises a bottom plane, and the included angle between the normal direction of the bottom plane and the axis of the tool handle (9) is c.
3. the high-stability end face ring groove milling cutter bar as claimed in claim 2, wherein: the included angle a is 18 degrees, the included angle b is 8 degrees, and the included angle c is 5 degrees.
4. The high-stability end face ring groove milling cutter bar as claimed in claim 1, wherein: the double-bevel mounting seat is characterized in that a through threaded hole is formed in the tool bit (3) below the double-bevel mounting seat (13), a hexagon socket set screw (5) can be screwed into the threaded hole, and the set screw (5) can apply acting force to the bottom surfaces of the first grooving blade (4) and the second grooving blade (6) to play a role in auxiliary supporting.
5. The high-stability end face ring groove milling cutter bar as claimed in claim 4, wherein: the type of the set screw (5) is M3, and the type of the pressure plate (7) is CPS-6V.
6. The high-stability end face ring groove milling cutter bar as claimed in claim 5, wherein: the bottom of the tool bit (3) is provided with a 15-degree chamfer.
7. the high-stability end face ring groove milling cutter bar as claimed in claim 6, wherein: the guide rod and the cutter head (3) are subjected to thermal refining and nitriding by HBC 28-32.
8. The high stability face annular groove milling cutter arbor according to claim 7, characterized in that: the screwdriver is characterized in that a screw fastening surface (10) is arranged on the screwdriver handle (9), the screw fastening surface (10) is a long and thin plane, and a bolt penetrates through the main shaft connecting part and is fixed on the screw fastening surface (10).
9. The high stability face ring groove milling cutter bar as set forth in claim 8, wherein: the distance between the two transverse planes (2) is 50-70% of the diameter of the cutter head (3).
10. the high stability face annular groove milling cutter bar as set forth in any one of claims 1 to 9, wherein: the widths of the first grooving blade (4) and the second grooving blade (6) are the same as the width of the annular groove, and the model of at least one of the first grooving blade (4) and the second grooving blade (6) is GVFR300-020B PR 930.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395534.7U CN209773569U (en) | 2019-03-27 | 2019-03-27 | High stability terminal surface annular mills cutter arbor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395534.7U CN209773569U (en) | 2019-03-27 | 2019-03-27 | High stability terminal surface annular mills cutter arbor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209773569U true CN209773569U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920395534.7U Active CN209773569U (en) | 2019-03-27 | 2019-03-27 | High stability terminal surface annular mills cutter arbor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209773569U (en) |
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2019
- 2019-03-27 CN CN201920395534.7U patent/CN209773569U/en active Active
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