CN212094382U - Lathe tool and lathe tool structure comprising same - Google Patents
Lathe tool and lathe tool structure comprising same Download PDFInfo
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- CN212094382U CN212094382U CN202020254249.6U CN202020254249U CN212094382U CN 212094382 U CN212094382 U CN 212094382U CN 202020254249 U CN202020254249 U CN 202020254249U CN 212094382 U CN212094382 U CN 212094382U
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- 230000002093 peripheral effect Effects 0.000 claims description 12
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- 238000003754 machining Methods 0.000 abstract description 11
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Abstract
The utility model discloses a lathe tool reaches lathe tool structure including this lathe tool, include: a main body including a through hole and at least one cutting portion, each cutting portion including a first cutting edge portion, a second cutting edge portion, a dodging recess portion and a cutting notch, the first cutting edge portion and the second cutting edge portion being integrally connected to opposite sides of the dodging recess portion, the first cutting edge portion and the second cutting edge portion being respectively spaced and transversely disposed to each other, the first cutting edge portion and the second cutting edge portion forming the cutting notch. The turning tool structure comprises the turning tool, a turning tool rod and a locking piece. The utility model discloses a lathe tool reaches lathe tool structure including this lathe tool, its angle that each this cutting portion can be fixed supplies simultaneously to a plurality of positions processing of this work piece, and utensil processing is stable, machining efficiency is good and with low costs, does to prevent to be added man-hour rotatory wearing and tearing by this work piece, can stabilize the processing quality.
Description
Technical Field
The present invention relates to a turning tool, and more particularly to a turning tool and a turning tool structure including the same.
Background
In the prior art, when the end face and the chamfer of a workpiece are to be machined, two different tools are required to be used for respectively machining the end face and the chamfer in sequence through two machining procedures, so that the machining time is long, and a plurality of tools are required to be purchased.
Although in the market, two blades are mounted on the same tool holder respectively to simultaneously process the end face and chamfer. However, the two turning tools of the turning tool structure are separately locked on the turning tool bar, so that the angle precision between the two turning tools is not high, the two turning tools are easy to be stressed and loosened, and the defects of shaking and insufficient strength during processing exist, and the surface of a processed workpiece is uneven due to pull marks.
Therefore, it is necessary to provide a novel and advanced turning tool and a turning tool structure including the same to solve the above problems.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a turning tool and a turning tool structure including the same, which can simultaneously process a plurality of positions of a workpiece.
To achieve the above object, the present invention provides a turning tool, including: a main body including a through hole and at least one cutting portion, each cutting portion including a first cutting edge portion, a second cutting edge portion, a dodging recess portion and a cutting notch, the first cutting edge portion and the second cutting edge portion being integrally connected to opposite sides of the dodging recess portion, the first cutting edge portion and the second cutting edge portion being respectively spaced and transversely disposed, the first cutting edge portion and the second cutting edge portion forming the cutting notch, at least one of the first cutting edge portion or the second cutting edge portion being disposed at an included angle with a wall surface of the dodging recess portion.
A first included angle is defined between the first cutting edge portion and the second cutting edge portion, and the angle range of the first included angle is 91.00-179.00 degrees.
The wall surface comprises an inner concave section and two connecting sections, the two connecting sections are respectively connected to two opposite sides of the inner concave section, the first cutting edge part and the second cutting edge part are respectively connected to one of the connecting sections, the first cutting edge part is transverse to one of the connecting sections, and the second cutting edge part is parallel to the other connecting section.
A first included angle is defined between the first cutting edge part and the second cutting edge part, a second included angle is formed between the two connecting sections, and the second included angle is smaller than the first included angle.
The first cutting edge part comprises a base section and a reinforcing section, the base section is connected with the reinforcing section, the base section comprises a first inner side surface and a first external cutting surface arranged on the side opposite to the first inner side surface, the first inner side surface is close to the through hole compared with the first external cutting surface, the reinforcing section comprises a second inner side surface and a second external cutting surface arranged on the side opposite to the second inner side surface, the second inner side surface is close to the through hole compared with the second external cutting surface, a first thickness is defined between the first external cutting surface and the first inner side surface, a second thickness is defined between the second external cutting surface and the second inner side surface, and the second thickness is larger than the first thickness.
Each cutting part also comprises a side part which is transverse to the base section, the reinforcing section is a turning angle connected between the side part and the base section, the second thickness is gradually enlarged from the base section to a vertex angle direction of the reinforcing section, and the reinforcing section is arranged on the base section and connected to the opposite side of the dodge concave part.
The base section further includes a first engagement surface connected between the first inner side surface and the second outer cutting surface; the reinforcing section further comprises a second connecting surface connected between the second inner side surface and the second outer cutting surface; the size of the second connecting surface is larger than that of the first connecting surface.
A first included angle is defined between the first cutting edge part and the second cutting edge part, and the angle range of the first included angle is 91.00-179.00 degrees; the wall surface comprises an inner concave section and two connecting sections, the two connecting sections are respectively connected to two opposite sides of the inner concave section, the first cutting edge part and the second cutting edge part are respectively connected to one of the connecting sections, the first cutting edge part is transverse to one of the connecting sections, and the second cutting edge part is parallel to the other connecting section; the dodging concave part is also provided with a cavity formed by the wall surface, wherein a third included angle back to the cavity is defined between the connecting section and the first cutting edge part, and the angle range of the third included angle is 91.00-150.00 degrees; the concave section is arc concave; a second included angle is formed between the two connecting sections, and the second included angle is smaller than the first included angle; the second included angle is less than 100 degrees; at least one of the first cutting edge portion or the second cutting edge portion has a dimension greater than 1.3 times the dimension of the dodging recess; each cutting part is provided with a bottom part, a top part and a row of cutting grooves, the first cutting edge part, the second cutting edge part, the dodging concave part and the cutting notch are respectively arranged between the top part and the bottom part, and the row of cutting grooves are arranged at the top part; the top is provided with a top surface and a convex wall which extends and tapers from the top surface to the direction opposite to the bottom, the convex wall and the top surface form the row of cutting grooves, and the convex wall comprises the base section and the reinforcing section; the base section further comprises a first engagement surface connected between the first inner side surface and the first outer cutting surface; the reinforcing section further comprises a second connecting surface connected between the second inner side surface and the second outer cutting surface; the size of the second connecting surface is larger than that of the first connecting surface.
The body is polygonal, the body includes at least four corners, the at least four corners are circumferentially arranged on the body, one of two adjacent corners is provided with the first cutting edge part, the other one is provided with the second cutting edge part, the two corners jointly form the cutting notch, and the body further includes at least four cutting parts.
In order to achieve the above object, the utility model provides a lathe tool structure, it includes aforementioned this lathe tool, and this lathe tool structure includes in addition: the lathe tool bar is provided with a containing part and a screw hole, the containing part comprises a bottom wall, a peripheral wall and a containing groove, the peripheral wall is transverse to the bottom wall, the bottom wall and the peripheral wall form the containing groove, the bottom wall is provided with the screw hole, the peripheral wall comprises at least one angle protrusion extending towards the inside of the containing groove, and each angle protrusion comprises two abutting walls which are mutually transversely arranged; the body is arranged in the accommodating groove, each corner is convexly embedded and clamped into at least one cutting notch, and the two abutting walls can abut against the first cutting edge part and the second cutting edge part respectively; a locking member passing through the through hole and locked to the screw hole.
The utility model has the advantages that: the utility model discloses a lathe tool reaches lathe tool structure including this lathe tool, its angle that each this cutting portion can be fixed supplies simultaneously to a plurality of positions processing of this work piece, and utensil processing is stable, machining efficiency is good and with low costs, does to prevent to be added man-hour rotatory wearing and tearing by this work piece, can stabilize the processing quality.
Drawings
Fig. 1 is a perspective view of a preferred embodiment of the present invention.
Fig. 2 is an exploded view of a preferred embodiment of the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 1.
Fig. 4 is a usage status diagram of a preferred embodiment of the present invention.
Fig. 5 is another usage status diagram of a preferred embodiment of the present invention.
Fig. 6 is a perspective view of a turning tool according to a preferred embodiment of the present invention.
Fig. 7 is a top view of a turning tool according to a preferred embodiment of the present invention.
Fig. 8 is a sectional view taken along line B-B of fig. 7.
1: a turning tool structure, 2: a workpiece, 3: an end face, 4: a chamfer, 10: a turning tool holder, 11: a containing part, 12: a screw hole, 13: a bottom wall, 14: a peripheral wall, 15: a containing groove, 16: a corner protrusion, 161: an abutting wall, 20: a body, 21: a through hole, 30: a cutting part, 301: a bottom, 302: a top, 303: a top face, 304: a convex wall, 31: a first cutting edge part, 32: a second cutting edge part, 33: a dodging concave part, 331: a recess, 34: a cutting notch, 35: a wall face, 351: an inner concave section, 352, 353: a connecting section, 36: a base section, 361: a first inner side face, 362: a first outer cutting face, 363: a first engaging face, 37: a reinforcing section, 371: a second inner side face, 372: a second outer cutting face, 373: a second engaging face, 38: a side part, 39: a row cutting groove, 40: a locking piece, 50: a corner part, D1: a first thickness, D2: a second thickness, P: a, theta 1 is the first included angle, theta 2 is the second included angle, and theta 3 is the third included angle.
Detailed Description
The following description is given by way of example only, and not by way of limitation, of the scope of the invention.
Referring to fig. 1 to 8, a preferred embodiment of the present invention is shown, in which the turning tool structure 1 includes a lathe tool bar 10, a turning tool and a locking member 40.
The turning tool rod 10 is provided with an accommodating portion 11 and a screw hole 12, the accommodating portion 11 includes a bottom wall 13, a peripheral wall 14 transverse to the bottom wall 13 and an accommodating groove 15, the bottom wall 13 and the peripheral wall 14 form the accommodating groove 15, the bottom wall 13 is provided with the screw hole 12, the peripheral wall 14 includes at least one corner protrusion 16 extending toward the inside of the accommodating groove 15, and each corner protrusion 16 includes two abutting walls 161 arranged transversely to each other.
The turning tool comprises a body 20, the body 20 comprises a through hole 21 and at least one cutting portion 30, each cutting portion 30 comprises a first cutting edge portion 31, a second cutting edge portion 32, a dodging recess 33 and a cutting notch 34, the first cutting edge portion 31 and the second cutting edge portion 32 are integrally connected to two opposite sides of the dodging recess 33, the first cutting edge portion 31 and the second cutting edge portion 32 are respectively arranged at intervals and transversely, the first cutting edge portion 31 and the second cutting edge portion 32 form the cutting notch 34, and at least one first cutting edge portion 31 or the second cutting edge portion 32 is arranged at an included angle with a wall surface 35 of the dodging recess 33. In the present embodiment, a first included angle θ 1 is defined between the first cutting edge portion 31 and the second cutting edge portion 32, and the angle range of the first included angle θ 1 is 91.00 degrees to 179.00 degrees; in the embodiment, the wall 35 includes an inner concave section 351 and two connecting sections 352 and 353, the two connecting sections 352 and 353 are respectively connected to two opposite sides of the inner concave section 351, the first cutting edge portion 31 and the second cutting edge portion 32 are respectively connected to one of the connecting sections 352 and 353, the first cutting edge portion 31 is transverse to the connecting section 352, and the second cutting edge portion 32 is parallel to the connecting section 353. A second included angle θ 2 is formed between the two connecting sections 351, 352, and the second included angle θ 2 is smaller than the first included angle θ 1. The second included angle theta 2 is less than 100 degrees. Preferably, the concave section 351 is arc-concave, or may be V-shaped, U-shaped, or other concave structures. The evasion recess 33 is further provided with a cavity 331 formed by the wall 35, and a third included angle θ 3 facing away from the cavity 331 is defined between the connecting section 352 and the first cutting edge 31, and the angle of the third included angle θ 3 ranges from 91.00 degrees to 150.00 degrees. In use, the cutting notch 34 is used for a workpiece 2 to enter, the first cutting edge portion 31 is used for contacting and machining an end face 3 of the workpiece 2, and the second cutting edge portion 32 is used for contacting and machining a chamfer 4 of the workpiece 2, so that multiple parts of the workpiece 2 can be machined at a fixed angle, and the advantages of stable machining, good machining efficiency and low cost are achieved. Moreover, the connection portion (discontinuous extension) of the first cutting edge portion 31 and the second cutting edge portion 32 can avoid contacting with the workpiece 2 during processing, that is, the evasion recess 33 will not contact with the workpiece 2, so that the connection portion of the first cutting edge portion 31 and the second cutting edge portion 32 is discontinuous extension, thereby preventing the connection portion of the first cutting edge portion 31 and the second cutting edge portion 32 from being worn by the workpiece 2 due to rotation during processing by the workpiece 2, and stabilizing the quality of the cut chamfer 4 (such as cutting a sharp chamfer 4). At least one of the first cutting edge portion 31 or the second cutting edge portion 32 has a dimension greater than 1.3 times the dimension of the dodge recess 33.
The main body 20 is disposed in the receiving groove 15, each of the corner protrusions 16 is inserted into at least one of the cutting notches 34, and the two abutting walls 161 can abut against the first cutting edge portion 31 and the second cutting edge portion 32, respectively, so that the turning tool can be stably fixed on the turning tool shaft 10 and is not easy to rotate or shake relatively, thereby achieving stable machining.
The locking member 40 is inserted through the through hole 21 and locked in the screw hole 12.
The body 20 is polygonal, the body 20 includes at least four corners 50, the at least four corners 50 are circumferentially disposed around the body 20, one of the adjacent corners 50 is provided with the first cutting edge portion 31, the other is provided with the second cutting edge portion 32, the two corners 50 together form the cutting notch 34, and the body 20 further includes at least four cutting portions 30. In this embodiment, the body includes six corners 50, the body 20 is in a hexagon star shape, and any one of the cutting portions 30 can be selected to be machined by rotating the body 20, so as to prolong the service life and provide stable installation on the turning tool shaft 10. The first cutting edge portion 31 and the second cutting edge portion 32 can be cutting edges or cutting surfaces, respectively.
The first cutting edge 31 includes a base section 36 and a reinforcing section 37, the base section 36 is connected to the reinforcing section 37, the base section 36 includes a first inner side surface 361 and a first outer cutting surface 362 disposed on the opposite side of the first inner side surface 361, the first inner side surface 361 is closer to the through hole 21 than the first outer cutting surface 362, the reinforcing section 37 includes a second inner side surface 371 and a second outer cutting surface 372 disposed on the opposite side of the second inner side surface 371, the second inner side surface 371 is closer to the through hole 21 than the second outer cutting surface 372, a first thickness D1 is defined between the first outer cutting surface 362 and the first inner side surface 361, a second thickness D2 is defined between the second outer cutting surface 372 and the second inner side surface 371, and the second thickness D2 is greater than the first thickness D1. Preferably, each cutting portion 30 further includes a side portion 38, the side portion 38 is transverse to the base portion 36, the reinforcing portion 37 is a corner connected between the side portion 38 and the base portion 36, the second thickness D2 is gradually enlarged from the base portion 36 toward a vertex angle P of the reinforcing portion 37, the reinforcing portion 37 is disposed on the base portion 36 and connected to the side opposite to the evasive recess 33, so as to resist the impact force generated when the workpiece 2 contacts and is machined by the turning tool, and the cutting portion has high structural strength and is not easy to break, so that the service life is long.
Each cutting portion 30 has a bottom 301, a top 302 and a row of cutting grooves 39, the first cutting edge portion 31, the second cutting edge portion 32, the evasive recess 33 and the cutting recess 34 are respectively disposed between the top 302 and the bottom 301, and the row of cutting grooves 39 are disposed on the top 302 for facilitating the row of cutting to achieve smooth processing. In detail, the top portion 302 has a top surface 303 and a protruding wall 304 extending from the top surface 303 to a direction opposite to the bottom portion 301, the protruding wall 304 and the top surface 303 form the row of cutting grooves 39, and the protruding wall 304 includes the base section 36 and the reinforcing section 37. The base section 36 further includes a first engagement face 363 connected between the first inner side surface 361 and the first outer cutting surface 362. The reinforcing section 37 further includes a second engagement surface 373 connected between the second inner side surface 371 and the second outer cutting surface 372. The second engagement surface 373 has a size larger than that of the first engagement surface 363, thereby being effectively eliminated as well as having high structural strength.
The utility model discloses a lathe tool reaches lathe tool structure including this lathe tool, its angle that each this cutting portion can be fixed supplies simultaneously to a plurality of positions processing of this work piece, and utensil processing is stable, machining efficiency is good and with low costs, does to prevent to be added man-hour rotatory wearing and tearing by this work piece, can stabilize the processing quality.
Claims (10)
1. A turning tool, characterized in that: the method comprises the following steps:
the body comprises a through hole and at least one cutting part, each cutting part comprises a first cutting edge part, a second cutting edge part, a dodging concave part and a cutting notch, the first cutting edge part and the second cutting edge part are integrally connected to two opposite sides of the dodging concave part, the first cutting edge part and the second cutting edge part are respectively arranged at intervals and transversely, the first cutting edge part and the second cutting edge part form the cutting notch, and at least one first cutting edge part or one second cutting edge part forms an included angle with one wall surface of the dodging concave part.
2. The turning tool of claim 1, wherein: a first included angle is defined between the first cutting edge portion and the second cutting edge portion, and the angle range of the first included angle is 91.00-179.00 degrees.
3. The turning tool of claim 1, wherein: the wall surface comprises an inner concave section and two connecting sections, the two connecting sections are respectively connected to two opposite sides of the inner concave section, the first cutting edge part and the second cutting edge part are respectively connected to one of the connecting sections, the first cutting edge part is transverse to one of the connecting sections, and the second cutting edge part is parallel to the other connecting section.
4. The turning tool of claim 3, wherein: a first included angle is defined between the first cutting edge part and the second cutting edge part, a second included angle is formed between the two connecting sections, and the second included angle is smaller than the first included angle.
5. The turning tool of claim 1, wherein: the first cutting edge part comprises a base section and a reinforcing section, the base section is connected with the reinforcing section, the base section comprises a first inner side surface and a first external cutting surface arranged on the side opposite to the first inner side surface, the first inner side surface is close to the through hole compared with the first external cutting surface, the reinforcing section comprises a second inner side surface and a second external cutting surface arranged on the side opposite to the second inner side surface, the second inner side surface is close to the through hole compared with the second external cutting surface, a first thickness is defined between the first external cutting surface and the first inner side surface, a second thickness is defined between the second external cutting surface and the second inner side surface, and the second thickness is larger than the first thickness.
6. The turning tool of claim 5, wherein: each cutting part also comprises a side part which is transverse to the base section, the reinforcing section is a turning angle connected between the side part and the base section, the second thickness is gradually enlarged from the base section to a vertex angle direction of the reinforcing section, and the reinforcing section is arranged on the base section and connected to the opposite side of the dodge concave part.
7. The turning tool of claim 5, wherein: the base section further includes a first engagement surface connected between the first inner side surface and the second outer cutting surface; the reinforcing section further comprises a second connecting surface connected between the second inner side surface and the second outer cutting surface; the size of the second connecting surface is larger than that of the first connecting surface.
8. The turning tool of claim 6, wherein: a first included angle is defined between the first cutting edge part and the second cutting edge part, and the angle range of the first included angle is 91.00-179.00 degrees; the wall surface comprises an inner concave section and two connecting sections, the two connecting sections are respectively connected to two opposite sides of the inner concave section, the first cutting edge part and the second cutting edge part are respectively connected to one of the connecting sections, the first cutting edge part is transverse to one of the connecting sections, and the second cutting edge part is parallel to the other connecting section; the dodging concave part is also provided with a cavity formed by the wall surface, wherein a third included angle back to the cavity is defined between the connecting section and the first cutting edge part, and the angle range of the third included angle is 91.00-150.00 degrees; the concave section is arc concave; a second included angle is formed between the two connecting sections, and the second included angle is smaller than the first included angle; the second included angle is less than 100 degrees; at least one of the first cutting edge portion or the second cutting edge portion has a dimension greater than 1.3 times the dimension of the dodging recess; each cutting part is provided with a bottom part, a top part and a row of cutting grooves, the first cutting edge part, the second cutting edge part, the dodging concave part and the cutting notch are respectively arranged between the top part and the bottom part, and the row of cutting grooves are arranged at the top part; the top is provided with a top surface and a convex wall which extends and tapers from the top surface to the direction opposite to the bottom, the convex wall and the top surface form the row of cutting grooves, and the convex wall comprises the base section and the reinforcing section; the base section further comprises a first engagement surface connected between the first inner side surface and the first outer cutting surface; the reinforcing section further comprises a second connecting surface connected between the second inner side surface and the second outer cutting surface; the size of the second connecting surface is larger than that of the first connecting surface.
9. The turning tool according to any one of claims 1 to 8, characterized in that: the body is polygonal, the body includes at least four corners, the at least four corners are circumferentially arranged on the body, one of two adjacent corners is provided with the first cutting edge part, the other one is provided with the second cutting edge part, the two corners jointly form the cutting notch, and the body further includes at least four cutting parts.
10. A turning tool structure comprising the turning tool according to any one of claims 1 to 8, wherein: this lathe tool structure includes in addition:
the lathe tool bar is provided with a containing part and a screw hole, the containing part comprises a bottom wall, a peripheral wall and a containing groove, the peripheral wall is transverse to the bottom wall, the bottom wall and the peripheral wall form the containing groove, the bottom wall is provided with the screw hole, the peripheral wall comprises at least one corner protrusion extending towards the inside of the containing groove, and each corner protrusion comprises two abutting walls which are mutually transversely arranged;
the body is arranged in the accommodating groove, each angle is convexly embedded and clamped into at least one cutting notch, and the two abutting walls can abut against the first cutting edge part and the second cutting edge part respectively;
a locking member passing through the through hole and locked in the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020254249.6U CN212094382U (en) | 2020-03-04 | 2020-03-04 | Lathe tool and lathe tool structure comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020254249.6U CN212094382U (en) | 2020-03-04 | 2020-03-04 | Lathe tool and lathe tool structure comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212094382U true CN212094382U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020254249.6U Active CN212094382U (en) | 2020-03-04 | 2020-03-04 | Lathe tool and lathe tool structure comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212094382U (en) |
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2020
- 2020-03-04 CN CN202020254249.6U patent/CN212094382U/en active Active
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