CN208600789U - End mill(ing) cutter - Google Patents
End mill(ing) cutter Download PDFInfo
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- CN208600789U CN208600789U CN201821006700.1U CN201821006700U CN208600789U CN 208600789 U CN208600789 U CN 208600789U CN 201821006700 U CN201821006700 U CN 201821006700U CN 208600789 U CN208600789 U CN 208600789U
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Abstract
A kind of end mill(ing) cutter, including knife handle, interconnecting piece and processing department.Interconnecting piece sequentially includes first step portion, first connecting portion, second step portion and second connecting portion, first connecting portion is cylindrical with second connecting portion, and the diameter of first connecting portion is less than the diameter of knife handle, the diameter of second connecting portion is less than the diameter of first connecting portion, the one end in first step portion is connect with knife handle, the other end in first step portion and one end of first connecting portion connect, the other end of first connecting portion is connect with the one end in second step portion, the other end in second step portion and one end of second connecting portion connect, processing department has a central spindle, described central spindle one end is connect with the knife handle, the central spindle is equipped with land and chip pocket, the land and chip pocket are set around the lateral surface of the central spindle from the junction of the central spindle and the knife handle to the central spindle end.
Description
Technical field
The utility model relates to drilling devices, more particularly to a kind of end mill(ing) cutter.
Background technique
Milling cutter is for Milling Process, the rotary cutter with one or more cutters tooth.When work each cutter tooth successively between
Cut the surplus of workpiece with having a rest.Milling cutter is mainly used for processing plane, step, groove, forming surface and cutting workpiece on milling machine
Deng.
During realizing the application, the inventor finds that the existing technology has at least the following problems: existing end mill(ing) cutter
When carrying out Milling Process to workpiece, often due to the interconnecting piece diameter of end mill(ing) cutter is smaller, beat so as to cause end mill(ing) cutter larger,
End mill edge is caused to collapse scarce.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of with larger withdrawing space and intensity
High end mill(ing) cutter.
The utility model provides a kind of end mill(ing) cutter, including knife handle, interconnecting piece and processing department, wherein knife handle；Wherein, it connects
Portion sequentially includes first step portion, first connecting portion, second step portion and second connecting portion, first connecting portion and second connecting portion
It is cylindrical, and the diameter of first connecting portion is less than the diameter of knife handle, the diameter of second connecting portion is less than the straight of first connecting portion
One end of diameter, first step portion is connect with knife handle, and the other end in first step portion and one end of first connecting portion connect, and first connects
The other end of socket part is connect with the one end in second step portion, and the other end in the second step portion and one end of second connecting portion connect
It connects；The processing department has a central spindle, and described central spindle one end is connect with the knife handle, and the central spindle is equipped with land and holds bits
The junction of slot, the land and chip pocket from the central spindle and the knife handle is set around the central spindle to the central spindle end
Lateral surface.
In some embodiments, the land and chip pocket be in the shape of a spiral.
In some embodiments, the processing department is provided with cutting edge, the cutting far from one end end face of the knife handle
Sword is linear, is extended on the end face of described land one end by the central area of the central spindle distal end faces, and far from described
Central spindle outer rim.
In some embodiments, the end mill(ing) cutter has rotation axis；The number of the land and chip pocket is four,
And four lands are centrosymmetric relative to the rotation axis.
In some embodiments, the first step portion is in a circular table shape, and the diameter of first step portion one end end face is equal to institute
The diameter of knife handle is stated, the diameter of first step portion the other end face is equal to the diameter of the first connecting portion.
In some embodiments, the second step portion is in a circular table shape, and the diameter of second step portion one end end face is equal to the
The diameter of one interconnecting piece, the diameter of second step portion the other end face are equal to the diameter of second connecting portion.
In some embodiments, the cutting edge is located on the end face of processing department one end, wherein two non-conterminous cutting edges
Length be greater than other two non-conterminous cutting edge length；Described two non-conterminous cutting edges are in the end of the central spindle
End face connects.
In some embodiments, the cutting edge includes the first machined surface, the second machined surface and third machined surface, described to cut
The cutting edge for cutting sword is crossed to form by the first machined surface and the second machined surface, and the second machined surface connects with third machined surface.
In some embodiments, the angle of first machined surface and the second machined surface is acute angle, first machined surface
Angle with third machined surface is also acute angle, and the angle of first machined surface and the second machined surface is greater than described first and adds
The angle in work face and third machined surface.
In some embodiments, the other end of the second connecting portion is provided with guiding groove, the guiding groove and chip pocket
It is interconnected, and the guiding groove and chip pocket are smooth excessively.
The beneficial effects of the utility model are: compared with prior art, the utility model provides a kind of end mill(ing) cutter, including
Knife handle, interconnecting piece and processing department, wherein knife handle；Wherein, interconnecting piece sequentially includes first step portion, first connecting portion, second
Rank portion and second connecting portion, first connecting portion is cylindrical with second connecting portion, and the diameter of first connecting portion is less than knife handle
Diameter, the diameter of second connecting portion are less than the diameter of first connecting portion, and the one end in first step portion is connect with knife handle, first step
The other end in portion and one end of first connecting portion connect, and the other end of first connecting portion is connect with the one end in second step portion, institute
One end of the other end and second connecting portion of stating second step portion connects；The processing department has a central spindle, described central spindle one end
It is connect with the knife handle, the central spindle is equipped with land and chip pocket, and the land and chip pocket are from the central spindle and the knife
The junction of handle is set around the lateral surface of the central spindle to the central spindle end.Based on the above structure end mill(ing) cutter is had more
Big withdrawing space, and the interconnecting piece of the end mill(ing) cutter has higher intensity, avoids being broken.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the structural schematic diagram of end mill(ing) cutter in the utility model embodiment.
Fig. 2 is the structural representation perspective view of end mill(ing) cutter in Fig. 1.
Fig. 3 is the structural schematic diagram of machined surface in end mill(ing) cutter in Fig. 1.
Fig. 4 is the structural representation sectional view of cutting edge in end mill(ing) cutter in Fig. 1.
Specific embodiment
For the ease of understanding the utility model, with reference to the accompanying drawings and detailed description, the utility model is carried out more
Detailed description.It should be noted that it can be directly in another element when element is expressed " being fixed on " another element
Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can
To be directly to another element or elements placed in the middle there may be one or more therebetween.This specification is used
Term " on ", "lower", "inner", "outside", the instructions such as " bottom " orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " " third " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language is only for the purpose of describing specific embodiments, and is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes any and all combinations of one or more related listed items.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of end mill(ing) cutter in the utility model embodiment.The utility model embodiment
A kind of end mill(ing) cutter 100, including knife handle 10, interconnecting piece 20 and processing department 30 are provided, wherein one end of knife handle 10 and interconnecting piece 20
One end connection, the other end of the interconnecting piece 20 are connect with one end of processing department 30.
Specifically, knife handle 10 is cylindrical body, end mill(ing) cutter 100 has rotation axis A, the axis of rotation axis A and knife handle 10
It is overlapped.When being processed using end mill(ing) cutter 100, which is rotated around rotation axis A.
The interconnecting piece 20 is multi-diameter shaft, and the interconnecting piece 20 includes that the first step portion 21, first sequentially connected connects
Portion 22, second step portion 23 and second connecting portion 24.Wherein, the first connecting portion 22 and second connecting portion 24 are in cylinder
Shape, and the diameter of first connecting portion 22 is less than the diameter of knife handle 10, the diameter of second connecting portion 24 is less than first connecting portion 22
Diameter.The first step portion 21 is in a circular table shape, and both ends end face is circle, and one end is connect with the knife handle 10, another
End is connect with first connecting portion 22.The diameter for the end face being wherein connected with 10 one end of knife handle is greater than and is connected one with first connecting portion 22
Hold the diameter of end face.The diameter of 10 junction of first step portion 21 and knife handle is identical as the diameter of the knife handle 10, with first
The diameter of 22 connecting place of interconnecting piece is identical as the diameter of first connecting portion 22.The second step portion 23 is in a circular table shape, both ends
End face is circle, wherein the diameter for one end end face that is connected with first connecting portion 22 is greater than its one end that is connected with second connecting portion 24
The diameter of end face, and the diameter of itself and 22 junction of first connecting portion is identical as the diameter of first connecting portion 22, connects with second
The diameter of 24 junction of socket part is identical as the diameter of second connecting portion 24.
The first step portion 21, first connecting portion 22, second step portion 23, second connecting portion 24 sequentially connect formation
The interconnecting piece 20 of multi-diameter shaft, it may be assumed that compared with existing cutter, the interconnecting piece 20 of the end mill(ing) cutter 100 passes through two connections of interval setting
Portion 22,24, and interval setting therebetween first step portion 21, second step portion 23, so that interconnecting piece 20 is made to become multi-diameter shaft, by
It is less than the diameter of the first connecting portion 22 in the diameter of second connecting portion 24, i.e. it is straight to be less than rear end for the diameter of front end processing department
Diameter, so that the end mill(ing) cutter 100 after completing to process operation, can provide bigger withdrawing space for the end mill(ing) cutter 100, together
When, by being spaced setting stage portion between two interconnecting pieces 22,24, disperse the stress of end mill(ing) cutter 100, into the end mill can be increased
The intensity of knife 100 reduces a possibility that end mill(ing) cutter 100 is broken.Preferably, the circular conical surface in the first step portion 21 and
The tilt angle of the circular conical surface in second step portion 23 is 30 degree.
Referring to Fig. 2, above-mentioned processing department 30 is in a circular table shape, there is a central spindle 31, be provided with land in the central spindle 31
32 and chip pocket 33, land 32 and chip pocket 33 are in the shape of a spiral.Land 32 and chip pocket 33 are from the central spindle 31 and knife handle
30 junction is set around the lateral surface of central spindle 31, and land 32 and the setting of the interval of chip pocket 33 to 31 end of central spindle.
Described 31 one end of central spindle is connect with one end of the knife handle 10.The side of the processing department 30 is circular conical surface, it is preferred that the circular cone
The tilt angle in face is 45 degree.The spiral angle of the land 32 is 30 degree.
Referring to Fig. 3, the number of the land 32 and chip pocket 33 is four in the utility model embodiment, and
And the land 32 and chip pocket 33 are centrosymmetric relative to the rotation axis A.That is, one of land 32 is around rotary shaft
Line A will be overlapped after being rotated by 90 ° with another land 32.
On the axial direction of the central spindle 31, the processing department 30 (is processed far from one end end face of the knife handle 10
Face) on be provided with cutting edge 34.The cutting edge 34 extends to 32 end of land by the distal end faces central area of the central spindle 31
On face, and far from 31 outer rim of central spindle.The cutting edge 34 is linear, so that the end mill(ing) cutter 100 is using cutting edge 34
When the surface of workpieces processing, can the surface of workpiece be processed smooth and smooth, avoid finished workpiece surface there are
Protrusion.
To enable the central area of 31 one end end face of central spindle to be worked into workpiece, it is located at 30 end face of processing department
Upper two opposite cutting edge 34(are that is, two non-conterminous cutting edges 34) connect in the central area of 31 end face of central spindle.On
The length for stating two non-conterminous cutting edges 34 is greater than the length of other two non-conterminous cutting edge 34.Other two is non-conterminous
Cutting edge 34 be spaced a distance in the central area of 31 one end end face of central spindle.
The other end of the second connecting portion 24 is provided with guiding groove 241(figure and does not indicate and need to embody in Fig. 2), it is described to draw
Guide groove 241 and the chip pocket 33 are interconnected, and the guiding groove 241 and the chip pocket 33 are smooth excessively.It is described to draw
Guide groove 241 and the chip pocket 33 correspond.The benefit of such structure is: processing using the T-type milling cutter to workpiece
When, clast of the processing department 30 from workpiece under milling can enter guiding groove 241, then enter chip pocket by guiding groove 241
In 33, finally one end from chip pocket 33 far from the machined surface 321 is discharged.It can prevent clast from remaining in processing department in this way
On 30 machined surface, to influence the machining accuracy of the T-type milling cutter, and it can prevent scratch occur on the surface of workpiece.
Referring to Fig. 4, and combine Fig. 2, the cutting edge 34 include the first machined surface 341, the second machined surface 342 and third
Machined surface 343.The cutting edge of cutting edge 34 is crossed to form by the first machined surface 341 and the second machined surface 342, and the second machined surface
342 also connect with third machined surface 343.The angle of first machined surface 341 and the second machined surface 342 is acute angle, described
The angle of one machined surface 341 and third machined surface 343 is also acute angle, and first machined surface 341 and the second machined surface 342
Angle be greater than the angle of first machined surface 341 with third machined surface 343.The benefit of such structure is: described first adds
Work face 341 and the angle of the second machined surface 342 are larger, may make cutting edge 34 while with sharp cutting edge, sword
Mouth rear has biggish thickness, so that cutting edge 34 has high intensity, can be effectively prevented and processes using cutting edge 34
When, there is the case where excessive wear or fracture in cutting edge 34, to extend the service life of cutting edge 34.
The beneficial effects of the utility model are: compared with prior art, the utility model provides a kind of end mill(ing) cutter, including
Knife handle, interconnecting piece and processing department, wherein knife handle；Wherein, interconnecting piece sequentially includes first step portion, first connecting portion, second
Rank portion and second connecting portion, first connecting portion is cylindrical with second connecting portion, and the diameter of first connecting portion is less than knife handle
Diameter, the diameter of second connecting portion are less than the diameter of first connecting portion, and the one end in first step portion is connect with knife handle, first step
The other end in portion and one end of first connecting portion connect, and the other end of first connecting portion is connect with the one end in second step portion, institute
One end of the other end and second connecting portion of stating second step portion connects；The processing department has a central spindle, described central spindle one end
It is connect with the knife handle, the central spindle is equipped with land and chip pocket, and the land and chip pocket are from the central spindle and the knife
The junction of handle is set around the lateral surface of the central spindle to the central spindle end.Based on the above structure end mill(ing) cutter is had more
Big withdrawing space, and the interconnecting piece of the end mill(ing) cutter has higher intensity, avoids being broken.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Under the thinking of the utility model, it can also be combined between the technical characteristic in above embodiments or different embodiments,
Step can be realized with random order, and there are many other variations of the different aspect of the utility model as described above, be
Simplicity, they do not provide in details；Although the utility model is described in detail with reference to the foregoing embodiments, this
The those of ordinary skill in field it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments,
Or equivalent replacement of some of the technical features；And these are modified or replaceed, and do not make the sheet of corresponding technical solution
Matter departs from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. a kind of end mill(ing) cutter characterized by comprising
Knife handle；
Interconnecting piece sequentially includes first step portion, first connecting portion, second step portion and second connecting portion, wherein the first connection
Portion is cylindrical with second connecting portion, and the diameter of first connecting portion is less than the diameter of knife handle, and the diameter of second connecting portion is less than
One end of the diameter of first connecting portion, first step portion is connect with knife handle, the other end in first step portion and first connecting portion
One end connection, the other end of first connecting portion connect with the one end in second step portion, the other end in the second step portion and the
One end of two interconnecting pieces connects, and the first step portion and second step portion are circular conical surface；
Processing department has a central spindle, and described central spindle one end is connect with the knife handle, and the central spindle is equipped with land and chip pocket,
The land and chip pocket are set around the outer of the central spindle from the junction of the central spindle and the knife handle to the central spindle end
Side.
2. end mill(ing) cutter according to claim 1, it is characterised in that: the first step portion and second step portion circular conical surface
Tilt angle is 30 degree.
3. end mill(ing) cutter according to claim 2, which is characterized in that the processing department is set far from one end end face of the knife handle
It is equipped with cutting edge, the cutting edge is linear, extends to the land one by the central area of the central spindle distal end faces
It holds on end face, and far from the central spindle outer rim.
4. end mill(ing) cutter according to claim 1, which is characterized in that the end mill(ing) cutter has rotation axis；The land and
The number of chip pocket is four, and four lands are centrosymmetric relative to the rotation axis.
5. end mill(ing) cutter according to claim 1, which is characterized in that the first step portion is in a circular table shape, first step portion
The diameter of one end end face is equal to the diameter of the knife handle, and the diameter of first step portion the other end face is equal to the first connecting portion
Diameter.
6. end mill(ing) cutter according to claim 1, which is characterized in that the second step portion is in a circular table shape, second step portion
The diameter of one end end face is equal to the diameter of first connecting portion, and the diameter of second step portion the other end face is equal to second connecting portion
Diameter.
7. end mill(ing) cutter according to claim 3, which is characterized in that the cutting edge is located on the end face of processing department one end,
In, the length of two non-conterminous cutting edges is greater than the length of other two non-conterminous cutting edge；It is described two non-conterminous
Cutting edge connects in the distal end faces of the central spindle.
8. end mill(ing) cutter according to claim 3, which is characterized in that the cutting edge includes the first machined surface, the second processing
The cutting edge of face and third machined surface, the cutting edge is crossed to form by the first machined surface and the second machined surface, and the second processing
Face connects with third machined surface.
9. end mill(ing) cutter according to claim 8, which is characterized in that the angle of first machined surface and the second machined surface is
Acute angle, the angle of first machined surface and third machined surface are also acute angle, and first machined surface and the second machined surface
Angle be greater than first machined surface and third machined surface angle.
10. end mill(ing) cutter according to claim 1, which is characterized in that the other end of the second connecting portion is provided with guidance
Slot, the guiding groove and chip pocket are interconnected, and the guiding groove and chip pocket are smooth excessively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006700.1U CN208600789U (en) | 2018-06-28 | 2018-06-28 | End mill(ing) cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006700.1U CN208600789U (en) | 2018-06-28 | 2018-06-28 | End mill(ing) cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208600789U true CN208600789U (en) | 2019-03-15 |
Family
ID=65667159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821006700.1U Active CN208600789U (en) | 2018-06-28 | 2018-06-28 | End mill(ing) cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208600789U (en) |
-
2018
- 2018-06-28 CN CN201821006700.1U patent/CN208600789U/en active Active
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