CN214443150U - Cutting tool for inner and outer diameter narrow shallow groove - Google Patents
Cutting tool for inner and outer diameter narrow shallow groove Download PDFInfo
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- CN214443150U CN214443150U CN202120517434.4U CN202120517434U CN214443150U CN 214443150 U CN214443150 U CN 214443150U CN 202120517434 U CN202120517434 U CN 202120517434U CN 214443150 U CN214443150 U CN 214443150U
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Abstract
The utility model discloses a cutting process cutter that is used for narrow shallow slot of internal and external diameter belongs to the machining instrument field, include: the cutting tool comprises a clamping handle, an empty avoiding handle and a plurality of cutting edges, wherein the clamping handle and the empty avoiding handle are mutually connected; the cutting edge comprises a front face, an auxiliary cutting face, a main back face, a cross edge, a main cutting edge, an auxiliary cutting edge and a main cutting face, wherein the front face and the two auxiliary cutting faces are inwards inclined by 3 degrees relative to respective vertical reference faces, and a tool nose arc is arranged at the intersection position of the main cutting face, the cross edge and the auxiliary cutting face. The utility model improves the sharpness of the cutting edge by cutting the front surface, the main cutting edge, the cross edge, the auxiliary cutting edge and the main cutting surface of the processing cutter; the front face and the auxiliary cutting face are inwards inclined by 3 degrees from the outer end to the direction of the clearance handle, and the arc of the tool nose is arranged, so that the sharpness and the strength of the cutting edge are enhanced, and the cutting edge is wear-resistant and is not easy to break in the machining process.
Description
Technical Field
The utility model relates to a machining instrument field especially relates to a cutting process cutter that is used for narrow shallow slot of internal and external diameter.
Background
The shallow slot cutter is widely used for processing grooves of shaft parts and ring parts, such as sealing grooves and clamp spring grooves, and the materials of the processed parts mainly comprise steel and aluminum alloy.
The conventional shallow groove cutter mainly comprises an alloy cutter, wherein the alloy cutter generally comprises a parallel four-edge or triangular disposable alloy blade and a fixed cutter handle, and the alloy blade is matched with the fixed cutter handle to finish shallow groove processing; the alloy cutter has the advantages of narrow cutting edge of the blade, limited blade shape, lower structural strength, easy cutting edge fracture in the using process, and quicker abrasion, thus greatly increasing the using cost of the cutter.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists among the prior art, the utility model provides a cutting process cutter that is used for the narrow shallow slot of internal and external diameter.
The utility model discloses a cutting tool for cutting shallow grooves with narrow inner and outer diameters, which comprises a clamping handle, a clearance handle and a plurality of cutting edges, wherein the clamping handle and the clearance handle are connected with each other;
the cutting edge comprises a front face, an auxiliary cutting face, a main back face, a cross edge, a main cutting edge, an auxiliary cutting edge and a main cutting face, wherein the front face and the two auxiliary cutting faces are inwards inclined by 3 degrees relative to respective vertical reference faces, and a tool nose arc is arranged at the intersection position of the main cutting face, the cross edge and the auxiliary cutting face.
As a further improvement, the clearance handle is a cylinder, the clamping handle and the clearance handle is connected by adopting a slope, and the central lines of the clamping handle and the clearance handle are located on the same straight line.
As a further improvement, the clamping handle, the clearance handle and the cutting edge are of an integrated grinding and forming structure.
As a further improvement of the present invention, the number of the cutting edges is four.
As a further improvement of the utility model, the cutting blades are uniformly distributed on the circumferential surface of the outer end of the clearance handle.
As a further improvement of the utility model, the central angle that both ends correspond around the cutting edge is 20.
As a further improvement of the utility model, the maximum thickness of the cutting edge is 0.47 mm.
As a further improvement of the utility model, the maximum cutting depth of the cutting edge is 0.65mm-0.75 mm.
As a further improvement of the utility model, the radius of the arc of the tool nose is not less than 0.05mm and is not more than 0.08 mm.
As a further improvement of the utility model, the front and the main back of the cutting edge are connected with the circumference of the clearance handle through a smooth curved surface.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a cutting tool for inner and outer diameter narrow shallow slots, which changes the original structure of a parallel four-sided or triangular abandon alloy blade with a fixed handle, designs the cutting tool for inner and outer diameter narrow shallow slots, which comprises a clamping handle, a clearance handle and a plurality of cutting edges, and simultaneously improves the sharpness of the cutting edges through the front surface, the main cutting edges, the cross edges, the auxiliary cutting edges and the main cutting surface; the front face and the auxiliary cutting face are inwards inclined by 3 degrees from the outer end to the direction of the clearance handle, and the arc of the tool nose is arranged, so that the sharpness and the strength of the cutting edge are enhanced, and the cutting edge is not easy to break in the machining process.
The utility model discloses well centre gripping handle, keep away empty handle and cutting edge and adopt the inclination to be connected as integrative grinding shaping structure, centre gripping handle and keep away empty handle, all make the structure more firm.
The utility model discloses in correspond through design cutting edge front and back both ends and keep away the hollow handle cross section on the contained angle be 20, increase and keep away the hollow handle and connect the face to the support of cutting edge, make the difficult disconnected sword of course of working.
In the utility model, the maximum thickness of the cutting edge is designed to be 0.47mm according to the condition that the conventional standard blade is 0.33mm and easy to break, which can not only meet the requirements of narrow and shallow grooves, but also enhance the strength of the cutting edge, so that the blade is not easy to break in the processing process; the maximum cutting depth of the cutting edge is controlled to be 0.65mm-0.75mm, so that the cutting edge is not easy to break while the cutting depth requirement of a workpiece is ensured.
The utility model discloses the radius scope of well design knife tip circular arc is 0.05mm to 0.08mm, because the wearability of the less cutting edge of radius is not enough, the radius is great the cutting resistance of cutting edge, and 0.05mm to 0.08mm both guarantee the wearability of cutting edge, can reduce cutting resistance again, make the cutter more stable difficult fracture.
The utility model discloses well cutter and conventional cutter's in-service use data show, the same work piece of cutter processing in conventional triangle-shaped or the parallel four sides type cutter and this application, and the average 100 work pieces of processing of conventional cutter will take place disconnected sword, and this product can process 800 on average and add 1000 work pieces, the utility model discloses the cutter is rational in infrastructure, stand wear and tear, has saved the use cost of cutter greatly.
Drawings
Fig. 1 is a front view of a cutting tool for machining shallow and narrow grooves with inner and outer diameters according to an embodiment of the present invention;
FIG. 2 is a side view of a cutting tool for shallow and narrow grooves of inner and outer diameters according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an isometric side of a cutting tool for machining narrow and shallow grooves with inner and outer diameters according to an embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 3;
FIG. 6 is an enlarged view of portion C of FIG. 5;
fig. 7 is an enlarged view of a portion D in fig. 2.
Description of reference numerals:
1. a cutting edge; 11. a main cutting edge; 12. the tool nose is arc-shaped; 13. a main cutting face; 14. a secondary cutting face; 15. a main rear face; 16. a supporting seat; 17. a chisel edge; 18. a front face; 19. a secondary cutting edge; 2. an evacuation handle; 3. a clamping handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-3, the present invention provides a cutting tool for cutting narrow shallow grooves of inner and outer diameters, comprising: the cutting tool comprises a clamping handle 3, an idle handle 2 and a plurality of cutting edges 1, preferably four cutting edges, wherein the clamping handle and the idle handle are connected with each other; a supporting seat 16 is arranged on the clearance handle 2 corresponding to the cutting edge 1, the clamping handle 3, the clearance handle 2, the supporting seat 16 and the cutting edge 1 are of an integrated grinding and forming structure, the overall length is preferably 3cm, the clamping handle 3 and the clearance handle 2 are both cylinders, the diameter of the clamping handle 3 is preferably 8mm, the length and the diameter of the clearance handle 2 are both preferably 6mm, the clamping handle 3 and the clearance handle 2 are excessively connected through an inclined plane, and the central lines of the clamping handle 3 and the clearance handle 2 are located on the same straight line; the clamping handle 3 can be combined with a power tool, such as a numerical control machine tool, the clamping handle 3 is clamped on the numerical control machine tool through a standard collet chuck, meanwhile, a workpiece to be machined is parallel to the central line direction of the cutter, the highest point of the cutting edge 1 is tangent to the outer circumference of the workpiece to be machined, and the turning machining of the workpiece is completed by gradually moving the cutter to the workpiece direction;
as shown in fig. 2, 4 and 5, the cutting edge 1 comprises a front face 18, two secondary cutting faces 14 positioned at two sides of the front face 18 and a main rear face 15 defined by the upper ends of the two secondary cutting faces 14, and the included angle between the front end and the rear end of the cutting edge 1 and the connecting line of the central line of the clearance handle 2 on the same cross section of the clearance handle 2 is 20 degrees, so that the supporting length is increased while the cutter processes a workpiece, and the cutting edge 1 is not easy to break; the maximum thickness of the cutting edge 1, i.e. the maximum distance between the two minor cutting surfaces 14, is 0.47mm, and is suitable for narrow and shallow grooves; the maximum cutting depth of the cutting edge 1 is 0.65mm-0.75mm, and the cutting edge 1 is not easy to break while the requirement of the cutting depth of a workpiece is ensured.
As shown in fig. 7, the front surface 18 of the cutting edge 1 is inclined 3 ° inward of the cutting edge main body from one end of the main cutting edge 11 downward, and likewise, both the minor cutting surfaces 14 are inclined 3 ° inward of the cutting edge main body from top to bottom, thereby enhancing the sharpness and strength of the cutting edge 1; as shown in fig. 6, a chisel edge 17 extends upward from the upper end of the front face 18, the upper side line of the chisel edge 17 is the main cutting edge 11, and the side lines of the front face 18 and the two secondary cutting faces 14 are both secondary cutting edges 19;
a main cutting surface 13 is arranged between the main back surface 15 and the main cutting edge 11, a tool nose arc 12 is arranged at the intersection position of the main cutting surface 13, the cross blade 17 and the auxiliary cutting surface 14, the radius of the tool nose arc 12 is not less than 0.05mm and not more than 0.08mm, the abrasive resistance of the cutting edge 1 is ensured, and the cutting resistance is controlled.
The front surface 18 and the main back surface 15 of the cutting edge 1 are connected with the circumferential surface of the clearance handle 2 through smooth curved surfaces, so that the connecting area of the cutting edge 1 and the clearance handle 2 is increased, and the connecting strength is improved.
Example (b):
when the cutting tool is used, a part to be machined is arranged on a main shaft of a numerical control machine tool, a clamping handle 3 is clamped and clamped on the numerical control machine tool through a standard cylinder clamp on the numerical control machine tool, the central line of the part to be machined is parallel to the cutting tool, and a cutting edge 1 of the cutting tool is positioned at the position of the shallow groove to be machined on the part.
The width of the shallow groove is determined according to a processing drawing, the width of the required shallow groove is consistent with the width of the cutting edge 1 of the cutting tool and is 0.47mm, and only one-time cutting is needed.
And opening the numerical control machine tool to enable the main shaft to rotate, driving the workpiece to be machined to rotate by the main shaft, enabling the outer diameter of the workpiece to be machined to be tangent to the outer circumference of the clearance handle 2, and turning the workpiece to be machined by the cutting edge 1 to form a shallow groove.
The utility model has the advantages that:
(1) the utility model provides a cutting tool for inner and outer diameter narrow shallow slots, which changes the original structure of a parallel four-sided or triangular abandon alloy blade with a fixed handle, designs the cutting tool for inner and outer diameter narrow shallow slots comprising a clamping handle, a clearance handle and a plurality of cutting edges, and simultaneously improves the sharpness of the cutting edges through the front main cutting edge, the cross edge, the auxiliary cutting edge and the main cutting surface; the front face and the auxiliary cutting face are inwards inclined by 3 degrees from the outer end to the direction of the clearance handle, and the arc of the tool nose is arranged, so that the sharpness and the strength of the cutting edge are enhanced, and the cutting edge is not easy to break in the machining process.
(2) The clamping handle, the clearance handle and the cutting edge in the cutter structure are integrally formed by grinding, and the clamping handle and the clearance handle are connected in an inclined manner, so that the structure is more stable.
(3) The included angle of the front end and the rear end of the cutting edge on the cross section of the corresponding clearance handle is 20 degrees, and the supporting connection surface of the clearance handle to the cutting edge is increased, so that the cutter is not easy to break in the machining process.
(4) According to the condition that the conventional standard cutter is easy to break when the thickness is 0.33mm, the maximum thickness of the cutting edge is designed to be 0.47mm, so that the requirements of narrow and shallow grooves can be met, the strength of the cutting edge can be enhanced, and the cutter is not easy to break in the machining process; the maximum cutting depth of the cutting edge is controlled to be 0.65mm-0.75mm, so that the cutting edge is not easy to break while the cutting depth requirement of a workpiece is ensured.
(5) The radius range of the designed tool nose circular arc is 0.05mm to 0.08mm, because the abrasive resistance of the cutting edge with smaller radius is not enough, the cutting resistance of the cutting edge with larger radius is larger, the abrasive resistance of the cutting edge is ensured by 0.05mm to 0.08mm, the cutting resistance can be reduced, and the cutter is more stable and is not easy to break.
(6) The utility model discloses a cutter is reasonable in structure, stand wear and tear, has saved the use cost of cutter greatly, and the utility model discloses the cutter is rational in infrastructure, stand wear and tear, and the same work piece of cutter processing in conventional triangle-shaped or parallel four sides type cutter and this application, and the average 100 work pieces of processing of conventional cutter will take place disconnected sword, and this product can process 800 plus 1000 work pieces on average.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cutting tool for shallow and narrow grooves of inner and outer diameters, comprising: the cutting tool comprises a clamping handle, an empty avoiding handle and a plurality of cutting edges, wherein the clamping handle and the empty avoiding handle are mutually connected;
the cutting edge comprises a front face, an auxiliary cutting face, a main back face, a cross edge, a main cutting edge, an auxiliary cutting edge and a main cutting face, wherein the front face and the two auxiliary cutting faces are inwards inclined by 3 degrees relative to respective vertical reference faces, and a tool nose arc is arranged at the intersection position of the main cutting face, the cross edge and the auxiliary cutting face.
2. The cutting machining tool of claim 1, wherein: the clearance handle is a cylinder, the clamping handle and the clearance handle are connected in an inclined mode, and the central lines of the clamping handle and the clearance handle are located on the same straight line.
3. The cutting machining tool of claim 1, wherein: the clamping handle, the clearance avoiding handle and the cutting edge are of an integrated grinding forming structure.
4. The cutting machining tool of claim 1, wherein: the number of the cutting edges is four.
5. The cutting machining tool of claim 1 or 4, characterized in that: the cutting edges are uniformly distributed on the circumferential surface of the outer end of the clearance handle.
6. The cutting machining tool of claim 1, wherein: the central angle corresponding to the front end and the rear end of the cutting edge is 20 degrees.
7. The cutting machining tool of claim 1, wherein: the maximum thickness of the cutting edge is 0.47 mm.
8. The cutting machining tool of claim 1, wherein: the maximum cutting depth of the cutting edge is 0.65mm-0.75 mm.
9. The cutting machining tool of claim 1, wherein: the radius of the arc of the tool nose is not less than 0.05mm and not more than 0.08 mm.
10. The cutting machining tool of claim 1, wherein: the front surface and the main back surface of the cutting edge are connected with the circumferential surface of the clearance handle through smooth curved surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517434.4U CN214443150U (en) | 2021-03-11 | 2021-03-11 | Cutting tool for inner and outer diameter narrow shallow groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517434.4U CN214443150U (en) | 2021-03-11 | 2021-03-11 | Cutting tool for inner and outer diameter narrow shallow groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214443150U true CN214443150U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120517434.4U Active CN214443150U (en) | 2021-03-11 | 2021-03-11 | Cutting tool for inner and outer diameter narrow shallow groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214443150U (en) |
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2021
- 2021-03-11 CN CN202120517434.4U patent/CN214443150U/en active Active
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