CN211331510U - Right-hand right-hand cutting milling cutter - Google Patents
Right-hand right-hand cutting milling cutter Download PDFInfo
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- CN211331510U CN211331510U CN201821968487.2U CN201821968487U CN211331510U CN 211331510 U CN211331510 U CN 211331510U CN 201821968487 U CN201821968487 U CN 201821968487U CN 211331510 U CN211331510 U CN 211331510U
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- cutting
- cutting part
- cutter
- cutting portion
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Abstract
The utility model belongs to the technical field of cutting tools, in particular to a right-handed cutting milling cutter, which comprises a cutter handle and a cutting part at the front end of the cutter handle, wherein the cutting part comprises three cutting bodies which are clockwise rotated along the axle center of the cutter handle, the edge of the cutting body is a spiral cutting edge, spiral chip-removing grooves are arranged between the adjacent cutting bodies, the cutting part comprises a first cutting part and a second cutting part which are sequentially connected end to end from front to back, the longitudinal sections of the first cutting part and the second cutting part are both conical, the front end of the first cutting part is arc-shaped, the most convex part of the arc-shaped structure is the axle center of the cutting part, the larger rear end of the first cutting part is connected with the smaller front end of the second cutting part, the rear end of the second cutting part is smoothly connected with the cutter handle through a transition part in an inverted cone shape, the smooth transition of the arc-shaped part is arranged between the rear end of the second cutting part and the transition part, the, high cutting stability, high speed and high machining efficiency.
Description
Technical Field
The utility model belongs to the technical field of cutting tool, concretely relates to dextrorotation right-hand cutting milling cutter.
Background
The metal cutting machining is one of the main metal part forming modes at present, has the characteristics of high efficiency and high forming precision, and can mill the appearance structure, the internal structure and the like of a workpiece. For ordinary groove cutting, the existing milling cutter can be directly processed, however, the structure of the existing workpiece is more and more complex and smaller, for example, a mobile phone shell is provided with a required special-shaped groove, such as a V-shaped groove and a V-shaped groove with a countersunk structure, the existing cutter is difficult to process, a plurality of cutters need to be replaced, the processing time is long, and the processing precision is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned defect, provide dextrorotation right-hand cutting milling cutter, workable special-shaped slot, cutting stability is high, fast, machining efficiency is high.
The utility model provides a technical scheme that its technical problem adopted as follows:
a right-handed milling cutter comprises a cutter handle and a cutting part at the front end of the cutter handle, wherein the cutting part comprises three cutting bodies which are handed right along the axis of the cutter handle, the edge of each cutting body is a spiral cutting edge, a spiral chip removal groove is formed between every two adjacent cutting bodies, the cutting part comprises a first cutting part and a second cutting part which are sequentially connected end to end from front to back, the longitudinal sections of the first cutting part and the second cutting part are both conical, the front end of the first cutting part is arc-shaped, the most convex part of the arc-shaped structure is the axis of the cutting part, the larger rear end of the first cutting part is connected with the smaller front end of the second cutting part, the rear end of the second cutting part is smoothly connected with the tool shank through an inverted cone-shaped transition part, the arc-shaped part is smoothly transited between the rear end of the second cutting part and the transition part, the maximum outer diameter of the second cutting part is larger than the outer diameter of the tool shank, the spiral cutting edges are converged at the center of the front end of the first cutting part, and the spiral cutting edges are arranged along the cutting part.
Furthermore, the outer diameter of the front end of the first cutting part is 8mm, the outer diameter of the joint of the rear end of the first cutting part and the second cutting part is 10mm, the outer diameter of the maximum part of the second cutting part is 16mm, the rear end of the first cutting part and the second cutting part are in smooth transition, the total length of the cutting parts is 8mm, the length of the first cutting part is 5mm, and the length of the transition part is 3 mm.
Further, the first cutting portion tapers at 30 ° and the second cutting portion tapers at 114 °.
Further, the handle of a knife on be close to cutting portion department and be equipped with a plurality of blind holes of establishing of inlaying, a plurality of blind holes of establishing of inlaying are multilayer evenly distributed in the handle of a knife correspondence department, and every layer inlay establishes blind hole quantity unanimous, every layer inlays establishes the blind hole and follows handle of a knife axial evenly distributed, inlays and establishes the filler that is equipped with the energy-absorbing in the blind hole.
Furthermore, the embedded blind holes of two adjacent layers are distributed alternately.
The utility model has the advantages that: by adopting the scheme, the cutting part has the advantages of simple and small structure, capability of cutting the V-shaped groove and directly processing the countersunk head structure at the opening of the V-shaped groove, high structural strength of the cutter, difficulty in breaking the cutter, high cutting speed, strong cutting stability and great improvement on the processing efficiency.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Wherein: 1 is the handle of a knife, 11 is for inlaying and establishing the blind hole, and 2 is first cutting portion, and 21 is the second cutting portion, and 3 are transition portions, and 4 are the filler.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1: referring to fig. 1, the right-handed milling cutter comprises a cutter handle 1 and a cutting part at the front end of the cutter handle 1, wherein the cutting part comprises three cutting bodies which are turned right along the axis of the cutter handle, the edge of each cutting body is a spiral cutting edge, spiral chip-removing grooves are formed between every two adjacent cutting bodies, the cutting part comprises a first cutting part 2 and a second cutting part 21 which are sequentially connected end to end from front to back, the longitudinal sections of the first cutting part 2 and the second cutting part 21 are conical, the front end of the first cutting part 2 is arc-shaped, the most convex part of the arc-shaped structure is the axis of the cutting part, the axis of the cutting part and the axis of the cutter handle are on the same straight line, the larger rear end of the first cutting part 2 is connected with the smaller front end of the second cutting part 21, the rear end of the second cutting part 21 is smoothly connected with the cutter handle 1 through a transition part 3 in a reversed cone shape, the arc-shaped part 4 is in smooth transition between the rear end of the second cutting part 21 and the transition part, the outer diameter of the maximum outer diameter part of the arc-shaped structure of the first cutting part 2 is 8mm, the outer diameter of the joint of the rear end of the first cutting part 2 and the second cutting part 21 is 10mm, the outer diameter of the joint of the rear end of the second cutting part 2 and the arc-shaped part is 16mm, the maximum diameter part of the second cutting part is the rear end of the transition part 3, the rear end of the transition part is smoothly connected with the tool holder, the spiral cutting edge is converged at the center of the front end of the first cutting part, the cutting edge is arranged along the cutting part, the projection shape of the cutting edge is matched with the projection shape of the cutting part on the same projection base plane, the cutting edge can cut and process a structure consistent with the shape of the cutting part, the total length of the cutting part is 8mm, the length of the first cutting part 2 is 5mm, the length of the transition part is 3mm, the taper of the first cutting part is 30 degrees, the taper degrees of the second cutting part are 114 degrees, the taper degrees, the cutting part has a small structure, the cutting part is special in shape and can cut a conical groove, a countersunk structure is directly formed at the opening of the conical groove, a cutting edge is also arranged at the transition part, the cutter can cut the end face and the side face, the arrangement of the arc part improves the cutting edge strength of the cutting part, the cutter is not easy to break during processing, a V-shaped groove can be formed, or the side wall of a workpiece can be processed, the arc structure of the first cutting part improves the structural strength of the front end of the cutting part, the transition part strengthens the connection strength of the cutting part and the cutter handle, so that the cutting part has high strength and can carry out high-speed cutting, the cutter handle can be used for processing the workpiece with strength, a plurality of embedded blind holes 11 are arranged on the cutter handle 1 close to the cutting part, the embedded blind holes 11 are uniformly distributed in a plurality of layers at the corresponding positions of the cutter handle, the embedded blind holes on each layer are consistent in number, and the embedded, adjacent two-layer inlays establishes the alternate distribution of blind hole, it can make the focus of cutter stable to inlay the distribution rule of establishing the blind hole, stability in the cutting is improved, inlay and establish filler 4 that is equipped with the energy-absorbing in the blind hole 11, the filler adopts silica gel or rubber, inlay and establish the weight that the blind hole alleviateed the cutter on the one hand, do not influence the intensity of cutter, do not influence the clamping effect of cutter, can make and improve the cutting rotational speed, the filler can absorb the vibrations in the processing, stability is improved, the quality precision of processing is improved.
Example 2: referring to fig. 1, the right-handed milling cutter comprises a cutter handle 1 and a cutting part at the front end of the cutter handle 1, wherein the cutting part comprises three cutting bodies which are turned right along the axis of the cutter handle, the edge of each cutting body is a spiral cutting edge, spiral chip-removing grooves are formed between every two adjacent cutting bodies, the cutting part comprises a first cutting part 2 and a second cutting part 21 which are sequentially connected end to end from front to back, the longitudinal sections of the first cutting part 2 and the second cutting part 21 are conical, the front end of the first cutting part 2 is arc-shaped, the most convex part of the arc-shaped structure is the axis of the cutting part, the axis of the cutting part and the axis of the cutter handle are on the same straight line, the larger rear end of the first cutting part 2 is connected with the smaller front end of the second cutting part 21, the rear end of the second cutting part 21 is smoothly connected with the cutter handle 1 through a transition part 3 in a reversed cone shape, the arc-shaped part 4 is in smooth transition between the rear end of the second cutting part 21 and the transition part, the outer diameter of the maximum outer diameter part of the arc-shaped structure of the first cutting part 2 is 8mm, the outer diameter of the joint of the rear end of the first cutting part 2 and the second cutting part 21 is 10mm, the outer diameter of the joint of the rear end of the second cutting part 2 and the arc-shaped part is 16mm, the maximum diameter part of the second cutting part is the rear end of the transition part 3, the rear end of the transition part is smoothly connected with the tool holder, the spiral cutting edge is converged at the center of the front end of the first cutting part, the cutting edge is arranged along the cutting part, the projection shape of the cutting edge is matched with the projection shape of the cutting part on the same projection base plane, the cutting edge can cut and process a structure consistent with the shape of the cutting part, the total length of the cutting part is 8mm, the length of the first cutting part 2 is 5mm, the length of the transition part is 3mm, the taper of the first cutting part is 30 degrees, the taper degrees of the second cutting part are 114 degrees, the taper degrees, the cutting part has a small structure, the cutting part is special in shape and can cut a conical groove, a countersunk structure is directly formed at the opening of the conical groove, a cutting edge is also arranged at the transition part, the cutter can cut the end face and the side face, the arrangement of the arc part improves the cutting edge strength of the cutting part, the cutter is not easy to break during processing, a V-shaped groove can be formed, or the side wall of a workpiece can be processed, the arc structure of the first cutting part improves the structural strength of the front end of the cutting part, the transition part strengthens the connection strength of the cutting part and the cutter handle, so that the cutting part has high strength and can carry out high-speed cutting, the cutter handle can be used for processing the workpiece with strength, a plurality of embedded blind holes 11 are arranged on the cutter handle 1 close to the cutting part, the embedded blind holes 11 are uniformly distributed in a plurality of layers at the corresponding positions of the cutter handle, the embedded blind holes on each layer are consistent in number, and the embedded, the adjacent two-layer inlays establishes the blind hole and sets up the position unanimity, inlays to establish and is equipped with the filler 4 of energy-absorbing in the blind hole 11, and the filler adopts silica gel or rubber, inlays to establish the weight that the blind hole alleviateed the cutter on the one hand, does not influence the intensity of cutter, does not influence the clamping effect of cutter, can make and improve the cutting rotational speed, and the filler can absorb the vibrations in the processing, improves stability, improves the quality precision of processing.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.
Claims (5)
1. A right-handed milling cutter comprises a cutter handle and a cutting part at the front end of the cutter handle, wherein the cutting part comprises three cutting bodies which are turned right along the axis of the cutter handle, the edge of the cutting body is a spiral cutting edge, and spiral chip-removing grooves are formed between the adjacent cutting bodies, and the right-handed milling cutter is characterized in that the cutting part comprises a first cutting part and a second cutting part which are sequentially connected end to end from front to back from front, the longitudinal sections of the first cutting part and the second cutting part are both conical, the front end of the first cutting part is arc-shaped, the most convex part of the arc-shaped structure is the axis of the cutting part, the larger, the helical cutting edge is provided along the cutting portion.
2. The right-hand cutter according to claim 1, wherein the first cutting portion has a front end with an outer diameter of 8mm, a rear end of the first cutting portion where it meets the second cutting portion has an outer diameter of 10mm, a maximum of the second cutting portion has an outer diameter of 16mm, the rear end of the first cutting portion smoothly transitions to the second cutting portion, the total length of the cutting portion is 8mm, the length of the first cutting portion is 5mm, and the length of the transition portion is 3 mm.
3. The right-hand cutter according to claim 1, wherein the first cutting portion tapers at 30 ° and the second cutting portion tapers at 114 °.
4. The right-handed milling cutter according to claim 1, wherein the shank has a plurality of blind insertion holes near the cutting portion, the blind insertion holes are evenly distributed in a plurality of layers at locations corresponding to the shank, the blind insertion holes in each layer are uniform in number, the blind insertion holes in each layer are evenly distributed along the axial direction of the shank, and energy-absorbing fillers are disposed in the blind insertion holes.
5. The right-hand cutter according to claim 4, wherein the blind embedding holes of two adjacent layers are distributed alternately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968487.2U CN211331510U (en) | 2018-11-27 | 2018-11-27 | Right-hand right-hand cutting milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968487.2U CN211331510U (en) | 2018-11-27 | 2018-11-27 | Right-hand right-hand cutting milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211331510U true CN211331510U (en) | 2020-08-25 |
Family
ID=72095348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821968487.2U Expired - Fee Related CN211331510U (en) | 2018-11-27 | 2018-11-27 | Right-hand right-hand cutting milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211331510U (en) |
-
2018
- 2018-11-27 CN CN201821968487.2U patent/CN211331510U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20211127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |