CN112846331A - Spiral T-shaped cutter for metal surface treatment - Google Patents
Spiral T-shaped cutter for metal surface treatment Download PDFInfo
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- CN112846331A CN112846331A CN202110114332.2A CN202110114332A CN112846331A CN 112846331 A CN112846331 A CN 112846331A CN 202110114332 A CN202110114332 A CN 202110114332A CN 112846331 A CN112846331 A CN 112846331A
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- Prior art keywords
- cutter
- helical
- spiral
- connecting part
- surface treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1054—T slot cutters
- B23C5/1063—T slot cutters with permanently fixed cutting inserts
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- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The application provides a spiral T-shaped cutter for metal surface treatment, which comprises a cutter head and a cutter handle and is characterized in that the cutter handle comprises a first connecting part and a second connecting part, the first connecting part and the second connecting part are cylindrical components, the cutter head is coaxially fixed at one end of the first connecting part, and the second connecting part is coaxially fixed at the other end of the first connecting part; the cutter head is provided with a plurality of first cutter blades, the first cutter blades extend spirally by taking the axis of the cutter handle as a reference, a first spiral groove is formed between every two adjacent first cutter blades, the two ends of each first cutter blade along the axis direction of the cutter handle are provided with second spiral grooves in a penetrating mode, and the second spiral grooves extend spirally by taking the axis of the cutter handle as a reference. The technical effect of the technical scheme is as follows: the second spiral groove is arranged on the first blade part, so that the chip removal capacity of the cutter is improved, and meanwhile, peripheral tooth blade zones are formed on two sides of the width of the second spiral groove, so that the metal processing efficiency is enhanced.
Description
Technical Field
The invention relates to the technical field of metal surface treatment cutters, in particular to a spiral T-shaped cutter for metal surface treatment.
Background
In the manufacturing process of mechanical equipment, it is usually necessary to machine a key groove on the shaft portion of the shaft-like component and use it in the subsequent assembly process. In general, a milling method is adopted to machine the key slot, and mainly comprises an end mill and a T-shaped mill.
The end mill processes the key groove from the vertical direction of the part rod part, and the T-shaped mill processes the key groove from the horizontal direction of the part rod part. The T-shaped milling cutter in the prior art has small feed, thereby influencing the efficiency of metal processing operation; in view of the above, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problem, the application provides a spiral T-shaped cutter for metal surface treatment
The spiral T-shaped cutter for metal surface treatment comprises a cutter head and a cutter handle, and is characterized in that the cutter handle comprises a first connecting part and a second connecting part, the first connecting part and the second connecting part are cylindrical components, the cutter head is coaxially fixed at one end of the first connecting part, and the second connecting part is coaxially fixed at the other end of the first connecting part; wherein the content of the first and second substances,
the cutter head is provided with a plurality of first blade parts, the first blade parts extend in a spiral mode by taking the axis of the cutter handle as a reference, a first spiral groove is formed between every two adjacent first blade parts, the two ends of each first blade part in the axis direction of the cutter handle are communicated with each other to form a second spiral groove, and the second spiral grooves extend in a spiral mode by taking the axis of the cutter handle as a reference.
The technical effect of the technical scheme is as follows: the second spiral groove is formed in the first blade part, so that the chip removal capacity of the cutter is improved, and peripheral tooth blade zones are formed on two sides of the width of the second spiral groove, so that the number of the peripheral tooth blade zones is increased, and the machining efficiency of metal is enhanced.
An end tooth is formed at one end of the first blade part along the axis direction of the tool handle, and an end tooth cutting edge is arranged on the end tooth, so that metal can be conveniently machined in the vertical direction; the first blade part forms peripheral teeth along the radial outer edge of the cutter head, and peripheral tooth cutting edges are arranged on the peripheral teeth, so that horizontal machining of metal is facilitated.
Preferably, a transition conical surface is arranged at the junction of the other end of the first connecting part and the second connecting part. The preferable technical effects are as follows: for preventing the second connection portion from contacting the surface of the metal workpiece.
Further, the diameter of the first connecting portion is smaller than that of the second connecting portion.
Preferably, the first helical groove and the second helical groove have opposite helical directions. The preferable technical effects are as follows: the chip removal and cutting capabilities of the milling cutter are improved, and meanwhile, the reduction of the structural strength of the peripheral teeth is avoided as much as possible.
Further, the angles of the helix angles of the second helical flutes of the first helical flutes are different.
Preferably, the first spiral groove and the second spiral groove are arranged in a penetrating mode, and the penetrating position of the first spiral groove and the second spiral groove forms an arc-shaped notch on the first blade portion. When the milling cutter rotates, metal chips generated when metal is processed flow into the first spiral groove and the second spiral groove through the arc-shaped notches and are discharged, and the discharge capacity of the metal chips is improved.
Preferably, the arc-shaped notch is located at the end part of the cutter head along the axis direction of the cutter handle.
Furthermore, one end, relatively far away from each other, of each of the two adjacent first blade parts is provided with one arc-shaped notch. The technical effect of the technical scheme is as follows: the milling cutter is used for enabling the whole structure of the milling cutter to be symmetrical, and therefore the structural strength of the milling cutter is improved.
Further, the length of the arc-shaped notch along the axis direction of the tool holder is less than half of the length of the tool bit. The technical effect of the technical scheme is as follows: the cutter is used for enabling the processing surfaces of two adjacent first blade parts to the metal workpiece to be overlapped and connected, and is used for avoiding the problem that the local workpiece has processing dead angles.
Furthermore, a chamfer is arranged at one end, far away from the cutter head, of the cutter handle.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.
FIG. 1 is a schematic perspective view of a spiral T-knife for metal surface treatment according to the present embodiment;
FIG. 2 is a schematic structural view of a spiral T-shaped knife for metal surface treatment in the front view direction according to the present embodiment;
FIG. 3 is a schematic illustration of a method configuration of the tool tip of FIG. 2;
FIG. 4 is a schematic view of the left-hand side view of FIG. 3;
FIG. 5 is a schematic diagram showing the dimensional reference numbers of a spiral T-shaped cutter for metal surface treatment according to the present embodiment;
FIG. 6 is a numbered schematic view of the peripheral tooth rake angle in the present embodiment;
FIG. 7 is a numbered schematic drawing of the peripheral tooth clearance angle one and clearance angle two of the present embodiment;
fig. 8 is a numbered schematic of the end tooth rake angle of the present embodiment.
Wherein the reference numbers referred to in the figures are as follows:
11-a first connection; 12-a second connection; 13-a cutter head; 14-a first blade part; 15-a first helical groove; 16-a second helical groove; 17-end teeth; 18-week teeth; 19-a transition cone; 20-arc notch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, the present embodiment provides a spiral T-shaped tool for metal surface treatment, including a tool bit 13 and a tool holder, wherein the tool holder includes a first connecting portion 11 and a second connecting portion 12, the first connecting portion 11 and the second connecting portion 12 are configured as cylindrical members, one end of the first connecting portion 11 is coaxially fixed with the tool bit 13, and the other end of the first connecting portion 11 is coaxially fixed with the second connecting portion 12; wherein the content of the first and second substances,
the cutter head 13 is provided with a plurality of first blade parts 14, the first blade parts 14 extend spirally with the axis of the cutter handle as a reference, a first spiral groove 15 is formed between every two adjacent first blade parts 14, the two ends of the first blade parts 14 along the axis direction of the cutter handle are provided with second spiral grooves 16 in a penetrating manner, and the second spiral grooves 16 extend spirally with the axis of the cutter handle as a reference. The second helical groove 16 divides one first blade 14 into two circumferential teeth 18;
the technical effect of the technical scheme is as follows: the second spiral groove 16 is arranged on the first blade part 14, so that the chip removal capacity of the cutter is increased, and meanwhile, circumferential tooth blade zones are formed on two sides of the width of the second spiral groove 16, so that the number of the circumferential tooth blade zones is increased, and the processing efficiency of metal is enhanced.
Wherein, an end tooth 17 is formed at one end of the first blade part 14 along the axial direction of the tool holder, and an end tooth cutting edge is arranged on the end tooth 17, so that the metal can be conveniently processed from the vertical direction; the first blade part 14 forms a peripheral tooth 18 along the radial outer edge of the cutter head 13, and the peripheral tooth 18 is provided with a peripheral tooth blade zone, so that horizontal machining of metal is facilitated.
In an embodiment of this embodiment, a transition taper 19 is provided at a boundary between the other end of the first connection portion 11 and the second connection portion 12. The preferable technical effects are as follows: for preventing the second connection portion 12 from coming into contact with the surface of the metal workpiece.
Further, the diameter of the first connecting portion 11 is smaller than the diameter of the second connecting portion 12.
As an embodiment of the present embodiment, the first helical groove 15 and the second helical groove 16 have opposite helical directions. The technical effects of the embodiment are as follows: the reduction of the structural strength of the peripheral teeth 18 is avoided as much as possible while improving the chip removal and cutting capabilities of the milling cutter.
Further, the angles of the helix angles of the second helical grooves 16 of the first helical grooves 15 are different.
As an embodiment of the present embodiment, a first spiral groove 15 and a second spiral groove 16 are provided in a penetrating manner, and an arc-shaped notch 20 is formed on the first blade portion 14 at the penetrating position of the first spiral groove 15 and the second spiral groove 16. When the milling cutter is rotated, swarf generated when metal is machined flows into the first and second spiral grooves 15 and 16 through the arc-shaped notches 20 and is discharged, improving swarf discharge capability.
As an embodiment of the present embodiment, the arc notch 20 is located at an end of the cutting head 13 along the axial direction of the shank.
Further, one end of each of the two adjacent first blade portions 14, which is relatively far away from the first blade portion, is provided with one of the arc-shaped notches 20. The technical effect of the technical scheme is as follows: the milling cutter is used for enabling the whole structure of the milling cutter to be symmetrical, and therefore the structural strength of the milling cutter is improved.
Further, the length of the arc notch 20 along the axial direction of the tool shank is less than half of the length of the tool bit 13. The technical effect of the technical scheme is as follows: the cutter is used for enabling the processing surfaces of two adjacent first blade parts 14 to the metal workpiece to be overlapped and connected, and is used for avoiding the problem that the processing dead angle of a local workpiece occurs.
Furthermore, a chamfer is arranged at one end of the cutter handle, which is far away from the cutter head 13.
In addition, the parameters of the cutter body in the T-shaped cutter of the embodiment are as follows:
the total length of the cutter body is L, and the length of the cutter head 13 is L1The length of the first connecting portion 11 is L2The width of the peripheral tooth margin is L3The width of the first peripheral tooth back angle is L4The chamfer radius of the knife handle is L5The diameter of the second connecting portion 12 is D, and the diameter of the rotary circular surface of the first blade portion 14 is D1The diameter of the first connecting portion 11 is D2The diameter of the 13-diameter core of the tool bit is D3The helix angle of the first helical groove 15 is A1The helix angle of the second helical groove 16 is A and the angle of the transition conical surface 19 is A2The front angle of the peripheral teeth is A3The first peripheral tooth relief angle is A5The peripheral tooth back angle is A6End tooth relief angle of A4(ii) a The sizes of the parameters are determined according to the size of the product and the process requirements, and on the basis of the technical scheme, the parameters can be changed and combined in a plurality of ways.
The end tooth front cutter face, the end tooth rear cutter face I, the end tooth rear cutter face II, the peripheral tooth front cutter face, the peripheral tooth rear cutter face I and the peripheral tooth rear cutter face II are general technical terms in the field respectively, and for convenience of understanding, the explanation is still provided in the text, in the process of machining a workpiece in the vertical direction, the end tooth front cutter face is the face firstly contacted with the workpiece, and then the end tooth rear cutter face I and the end tooth rear cutter face II are sequentially arranged in the same end tooth; when a workpiece is machined in the horizontal direction, in the same peripheral tooth, a peripheral tooth front cutter face is the face which is firstly contacted with the workpiece, and then a peripheral tooth rear cutter face I and a peripheral tooth rear cutter face II are sequentially arranged; this paragraph is merely for explanation and illustration of general technical terms and does not refer to the substance in the technical solution.
It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A spiral T-shaped knife for metal surface treatment comprises a knife head and a knife handle, and is characterized in that the knife handle comprises a first connecting part and a second connecting part, the first connecting part and the second connecting part are cylindrical components, the knife head is coaxially fixed at one end of the first connecting part, and the second connecting part is coaxially fixed at the other end of the first connecting part; wherein the content of the first and second substances,
the cutter head is provided with a plurality of first blade parts, the first blade parts extend in a spiral mode by taking the axis of the cutter handle as a reference, a first spiral groove is formed between every two adjacent first blade parts, the two ends of each first blade part in the axis direction of the cutter handle are communicated with each other to form a second spiral groove, and the second spiral grooves extend in a spiral mode by taking the axis of the cutter handle as a reference.
2. The spiral T-shaped knife for metal surface treatment according to claim 1, wherein a transition conical surface is provided at the intersection of the other end of the first connecting portion and the second connecting portion.
3. The helical T-shaped knife for metal surface treatment according to claim 1 or 2, wherein the diameter of the first connecting portion is smaller than the diameter of the second connecting portion.
4. The helical T-knife for metal surface treatment of claim 1 wherein said first helical flute and said second helical flute have opposite helical directions.
5. The helical T-shaped knife for metal surface treatment as claimed in claim 4, wherein the angle of the helix angle of the second helical flute of the first helical flute is different.
6. The helical T-knife of claim 5 wherein a first helical flute and said second helical flute are disposed therethrough, and wherein the penetration of said first helical flute and said second helical flute forms an arcuate notch in said first blade portion.
7. The helical T-shaped knife for metal surface treatment according to claim 6, wherein the arc-shaped notch is located at an end of the cutting tip in the direction of the axis of the shank.
8. The helical T-shaped knife for metal surface treatment as claimed in claim 7, wherein one of the arcuate notches is provided at each of the ends of the adjacent two first blade portions which are relatively distant from each other.
9. The helical T-shaped knife for metal surface treatment according to claim 7, wherein the length of the arcuate notch in the direction of the shank axis is less than one-half the length of the cutting tip.
10. The spiral T-knife for metal surface treatment of claim 1 wherein an end of the shank distal from the cutting tip is chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110114332.2A CN112846331A (en) | 2021-01-27 | 2021-01-27 | Spiral T-shaped cutter for metal surface treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110114332.2A CN112846331A (en) | 2021-01-27 | 2021-01-27 | Spiral T-shaped cutter for metal surface treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112846331A true CN112846331A (en) | 2021-05-28 |
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ID=75986266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110114332.2A Pending CN112846331A (en) | 2021-01-27 | 2021-01-27 | Spiral T-shaped cutter for metal surface treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112846331A (en) |
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2021
- 2021-01-27 CN CN202110114332.2A patent/CN112846331A/en active Pending
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