TWM596135U - Lathe tool and lathe tool structure having the same - Google Patents

Abstract

This creation relates to a turning tool, which includes a body including a through hole and at least one cutting portion, each of which includes a first cutting edge portion, a second cutting edge portion, an evasion recess and a cutting recess , The first cutting edge portion and the second cutting edge portion are integrally connected to opposite sides of the dodge recessed portion, the first cutting edge portion and the second cutting edge portion are spaced apart and arranged laterally from each other, the first cutting edge The portion and the second cutting edge portion constitute the cutting recess. This creation relates to a turning tool structure, which includes the turning tool described above, and the turning tool structure further includes a turning tool bar and a locking member.

Description

Turning tool and turning tool structure including the turning tool

This creation is related to knives, especially a turning tool and a turning tool structure including the turning tool.

Conventional technology When you want to machine the end face and chamfer of a workpiece, you need to use two different tools to process the end face and chamfer in order through two processing procedures, and there is a long processing time and you need to purchase multiple tools Missing.

Although on the market, two blades have been installed on the same arbor to process the end face and chamfer at the same time. However, the two turning tools of this turning tool structure are individually locked on the turning lever, the angle accuracy between the two turning tools is not high, and it is easy to be loosened by force, and there is a lack of shaking and insufficient strength during processing , Resulting in scratches on the surface of the processed workpiece that are not smooth.

Therefore, it is necessary to provide a novel and progressive turning tool and a turning tool structure including the turning tool to solve the above problems.

The main purpose of this creation is to provide a turning tool that can process multiple parts of a workpiece at the same time.

In order to achieve the above object, the present invention provides a turning tool including: a body including a through hole and at least one cutting portion, each of the cutting portions including a first cutting edge portion, a second cutting edge portion, a dodge recess and A cutting notch, the first cutting edge portion and the second cutting edge portion are integrally connected to opposite sides of the dodge recessed portion, the first cutting edge portion and the second cutting edge portion are spaced apart and arranged laterally from each other, the The first cutting edge portion and the second cutting edge portion constitute the cutting recess, and at least one of the first cutting edge portion or the second cutting edge portion is disposed at an angle to a wall surface of the evasion recess.

In order to achieve the above purpose, the present invention provides a turning tool structure including the aforementioned turning tool. The turning tool structure further includes: a turning tool bar, which is provided with an accommodating portion and a screw hole, and the accommodating portion includes a The bottom wall, a peripheral wall transverse to the bottom wall, and an accommodating groove, the bottom wall and the peripheral wall constitute the accommodating groove, the bottom wall is provided with the screw hole, and the peripheral wall includes at least one extending toward the accommodating groove Horns, each of the horns includes two abutment walls disposed transversely to each other; the body is provided in the accommodating groove, each of the horn protrusions snaps into at least one of the cutting recesses, and the two abutment walls can be respectively Abutting against the first cutting edge portion and the second cutting edge portion; a locking member that penetrates the through hole and locks the screw hole.

The following only uses examples to illustrate the possible implementation of this creation, but it is not intended to limit the scope of this creation to be protected, which will be described first.

Please refer to FIGS. 1 to 8, which show a preferred embodiment of the present creation. The turning tool structure 1 of the present creation includes a turning tool bar 10, a turning tool, and a locking member 40.

The cutter bar 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 forms 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 accommodating groove 15, and each of the corner protrusions 16 includes two mutually disposed laterally之REST by the wall 161.

The turning tool includes a body 20 including a through hole 21 and at least one cutting portion 30, each of the cutting portions 30 includes a first cutting edge portion 31, a second cutting edge portion 32, a dodge recess 33 and a The cutting notch 34, the first cutting edge portion 31 and the second cutting edge portion 32 are integrally connected to opposite sides of the evasion recess 33, and the first cutting edge portion 31 and the second cutting edge portion 32 are spaced apart and Located laterally to each other, the first cutting edge portion 31 and the second cutting edge portion 32 constitute the cutting recess 34, at least one of the first cutting edge portion 31 or the second cutting edge portion 32 and one of the evading recesses 33 The wall surface 35 is arranged at an angle. In this embodiment, a first included angle θ1 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 θ1 is 91.00 degrees to 179.00 degrees; in this embodiment The wall surface 35 includes a concave section 351 and two connecting sections 352 and 353, the two connecting sections 352 and 353 are respectively connected to opposite sides of the concave section 351, the first cutting edge portion 31 and the second cutting The blade portion 32 is connected to one of the connecting sections 352 and 353 respectively. 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 θ2 is formed between the two connecting sections 351 and 352, and the second included angle θ2 is smaller than the first included angle θ1. The second included angle θ2 is less than 100 degrees. Preferably, the concave section 351 is arc-shaped, and may also be V-shaped, U-shaped, or other concave structures. The dodge recess 33 is further provided with a cavity 331 formed by the wall surface 35, and a third angle θ3 facing away from the cavity 331 is defined between the connecting section 352 and the first cutting edge portion 31, the third angle The angle range of θ3 is 91.00 degrees to 150.00 degrees. In use, the cutting notch 34 can enter a workpiece 2, the first cutting edge portion 31 can be in contact with and processed by one end surface 3 of the workpiece 2, and the second cutting edge portion 32 can be connected to the workpiece 2 One chamfer 4 is contacted and processed to achieve simultaneous processing of multiple parts of the workpiece 2 at a fixed angle, which has the advantages of stable processing, good processing efficiency and low cost. Furthermore, the joint (non-continuous extension) of the first cutting edge portion 31 and the second cutting edge portion 32 can avoid contact with the workpiece 2 during processing, that is, the evasion recess 33 does not contact the workpiece 2 contact, so that the joint of the first cutting edge 31 and the second cutting edge 32 is discontinuously extended to prevent the joint of the first cutting edge 31 and the second cutting edge 32 from being affected by the workpiece 2 It is worn by the workpiece 2 due to rotation during processing, which can stabilize the quality of the chamfer 4 (such as cutting a sharp chamfer 4). At least one of the size of the first cutting edge portion 31 or the size of the second cutting edge portion 32 is greater than 1.3 times the size of the dodge recess 33.

The body 20 is disposed in the accommodating groove 15, each corner protrusion 16 is engaged with at least one cutting recess 34, and the two abutting walls 161 can abut the first cutting edge portion 31 and the second The cutting edge portion 32 enables the turning tool to be stably fixed on the turning tool bar 10 so as not to be relatively rotated or shaken, and can be stably processed.

The locking member 40 penetrates the through hole 21 and is locked in the screw hole 12.

The body 20 has a polygonal shape. The body 20 includes at least four corners 50. The at least four corners 50 are circumferentially disposed on the body 20. One of the two adjacent corners 50 is provided with the first cutting edge 31 and the other. One is provided with the second cutting edge portion 32, the two corner portions 50 constitute the cutting recess 34, and the body 20 further includes at least four of the cutting portions 30. In this embodiment, the body includes six corners 50, and the body 20 has a hexagonal star shape. The body 20 can be rotated to select any of the cutting parts 30 to prolong the service life, and can be stably installed in the Turning tool bar 10. The first cutting edge portion 31 and the second cutting edge portion 32 may be a cutting edge or a cutting surface, respectively.

The first cutting edge portion 31 includes a base segment 36 and a reinforcing segment 37, the base segment 36 is connected to the reinforcing segment 37, the base segment 36 includes a first inner side surface 361 and a first inner side surface 361 opposite A first outer cutting surface 362 on one side, 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 inner side surface The second outer cutting surface 372 on the opposite side of the 371, the second inner side surface 371 is closer to the through hole 21 than the second outer cutting surface 372, the first outer cutting surface 362 to the first inner side surface 361 defines a The first thickness D1 defines a second thickness D2 between the second outer cutting surface 372 and the second inner side surface 371. The second thickness D2 is greater than the first thickness D1. Preferably, each of the cutting portions 30 further includes a side portion 38, the side portion 38 is transverse to the base section 36, and the reinforcing section 37 is a turning angle connected between the side section 38 and the base section 36, The second thickness D2 gradually expands from the base section 36 toward an apex angle P of the reinforcing section 37. The reinforcing section 37 is provided on the opposite side of the base section 36 connected to the evasion recess 33 so as to resist the workpiece 2 The impact force generated during contact with the turning tool and during processing has high structural strength and is not easily broken, so the service life is long.

Each of the cutting portions 30 is provided with a bottom portion 301, a top portion 302, and a row of grooves 39, and the first cutting edge portion 31, the second cutting edge portion 32, the evasion recess 33, and the cutting recess 34 are respectively provided in the Between the top portion 302 and the bottom portion 301, the row of cutting grooves 39 is provided on the top portion 302, which facilitates row cutting and smooth processing. In detail, the top portion 302 is provided with a top surface 303 and a convex wall 304 extending from the top surface 303 in a direction opposite to the bottom portion 301, and the convex wall 304 and the top surface 303 constitute the row of cutting grooves 39 The convex wall 304 includes the base section 36 and the reinforcement section 37. The base section 36 further includes a first connecting surface 363 connected between the first inner side surface 361 and the first outer cutting surface 362. The reinforcing section 37 further includes a second connecting surface 373 connected between the second inner side surface 371 and the second outer cutting surface 372. The size of the second engaging surface 373 is larger than the size of the first engaging surface 363, so that it can be effectively cut and has high structural strength.

The turning tool and the turning tool structure including the turning tool can be used to process multiple parts of the workpiece at a fixed angle of each cutting part at the same time. It has stable processing, good processing efficiency and low cost, and can also be prevented from being The workpiece rotates and wears during processing, which can stabilize the processing quality.

1: Turning tool structure 2: Workpiece 3: end face 4: Chamfer 10: Turning bar 11: Accommodation Department 12: screw hole 13: bottom wall 14: Zhou Bi 15: accommodating slot 16: Angle convex 161: against the wall 20: Ontology 21: through hole 30: Cutting Department 301: bottom 302: top 303: top surface 304: convex wall 31: First cutting edge 32: Second cutting edge 33: dodge recess 331: Pocket 34: Cutting notch 35: Wall 351: concave section 352, 353: connection segment 36: base segment 361: first inner side 362: first outer cutting surface 363: The first interface 37: Reinforcement 371: Second inner side 372: Second outer cutting surface 373: Second interface 38: Side 39: Row cutting groove 40: Lock firmware 50: corner D1: First thickness D2: second thickness P: top angle θ1: first included angle θ2: second included angle θ3: third included angle

Figure 1 is a perspective view of a preferred embodiment of creation. Figure 2 is an exploded view of a preferred embodiment of creation. FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1. FIG. FIG. 4 is a usage state diagram for creating a preferred embodiment. FIG. 5 is another usage state diagram of creating a preferred embodiment. Fig. 6 is a perspective view of a turning tool according to a preferred embodiment. FIG. 7 is a top view of a turning tool according to a preferred embodiment. FIG. 8 is a sectional view taken along line B-B of FIG. 7.

1: Turning tool structure

10: Turning bar

16: Angle convex

161: against the wall

20: Ontology

30: Cutting Department

40: Lock firmware

Claims (10)

A turning tool, including: A body includes a through hole and at least one cutting portion, each of the cutting portions includes a first cutting edge portion, a second cutting edge portion, a dodge recess and a cutting recess, the first cutting edge portion and the second The cutting edge portion is integrally connected to the two opposite sides of the dodge recessed portion, the first cutting edge portion and the second cutting edge portion are spaced apart and arranged laterally from each other, and the first cutting edge portion and the second cutting edge portion constitute the cutting The notch, at least one of the first cutting edge portion or the second cutting edge portion is disposed at an angle with a wall surface of the evasion recess. The turning tool according to 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 degrees to 179.00 degrees. The turning tool according to claim 1, wherein the wall surface includes a concave section and two connecting sections, the two connecting sections are respectively connected to opposite sides of the concave section, the first cutting edge portion and the second cutting The blade portions are respectively connected to one of the connecting sections, the first cutting edge portion is transverse to one of the connecting sections, and the second cutting edge portion is parallel to the other of the connecting sections. The turning tool according to claim 3, wherein a first included angle is defined between the first cutting edge portion and the second cutting edge portion, and a second included angle is formed between the two connecting segments, the second included angle is smaller than the The first angle. The turning tool according to claim 1, wherein the first cutting edge portion includes a base segment and a reinforcing segment, the base segment is connected to the reinforcing segment, the base segment includes a first inner side surface and a first segment disposed on the first A first outer cutting surface on the opposite side of the inner side surface, the first inner side surface is closer to the through hole than the first outer cutting surface, the reinforcing section includes a second inner side surface and a side opposite to the second inner side surface The second outer cutting surface, the second inner side surface is closer to the through hole than the second outer cutting surface, a first thickness is defined between the first outer cutting surface and the first inner side surface, and the second outer cutting surface A second thickness is defined between the second inner side and the second thickness is greater than the first thickness. The turning tool according to claim 5, wherein each of the cutting portions further includes a side portion, the side portion is transverse to the base section, and the reinforcing section is a turning angle connected between the side section and the base section, The second thickness gradually increases from the base section toward one of the top corners of the reinforcement section, and the reinforcement section is provided on the opposite side of the base section connected to the evasion recess. The turning tool according to claim 5, wherein the base section further includes a first interface surface connected between the first inner side surface and the second outer cutting surface; the reinforcement section further includes a connection connected to the second A second connecting surface between the inner side surface and the second outer cutting surface; the size of the second connecting surface is larger than the size of the first connecting surface. The turning tool according to claim 6, 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 degrees to 179.00 degrees; the wall surface includes a A concave segment and two connecting segments, the two connecting segments are respectively connected to opposite sides of the concave segment, the first cutting edge portion and the second cutting edge portion are respectively connected to one of the connecting segments, the first cutting The blade portion is transverse to one of the connecting sections, and the second cutting edge portion is parallel to the other connecting section; the evasion recess is further provided with a cavity formed by the wall surface, wherein one of the connecting section and the first cutting edge A third angle facing away from the cavity is defined between the parts, and the angle of the third angle ranges from 91.00 degrees to 150.00 degrees; the concave section is arc-shaped; the second connecting section forms a second angle, The second included angle is less than the first included angle; the second included angle is less than 100 degrees; at least one of the size of the first cutting edge portion or the size of the second cutting edge portion is greater than 1.3 times the size of the dodge recess; each of the cutting The bottom is provided with a bottom, a top and a row of grooving, the first cutting edge portion, the second cutting edge portion, the dodge recess and the cutting recess are provided between the top and the bottom respectively, the row of grooving Located on the top; the top is provided with a top surface and a convex wall extending from the top surface in a direction opposite to the bottom, the convex wall and the top surface constitute the row of grooves, the convex wall includes the base Section and the reinforcement section; the base section further includes a first interface surface connected between the first inner side surface and the first outer cutting surface; the reinforcement section further includes a connection between the second inner side surface and the first The second connecting surface between the two outer cutting surfaces; the size of the second connecting surface is larger than the size of the first connecting surface. The turning tool according to any one of claims 1 to 8, wherein the body has a polygonal shape, the body includes at least four corners, the at least four corners are circumferentially disposed on the body, and one of the two adjacent corners The first cutting edge portion is provided, and the other is provided with the second cutting edge portion. The two corner portions constitute the cutting recess, and the body further includes at least four cutting portions. A turning tool structure, including the turning tool according to any one of the above claims 1 to 8, the turning tool structure further includes: A turning tool bar is provided with an accommodating portion and a screw hole. The accommodating portion includes a bottom wall, a peripheral wall transverse to the bottom wall and an accommodating groove, and the bottom wall and the peripheral wall constitute the accommodating groove, The bottom wall is provided with the screw hole, the peripheral wall includes at least one corner protrusion extending toward the accommodating groove, and each corner protrusion includes two abutment walls disposed transversely to each other; The body is disposed in the accommodating groove, each corner convexly engages at least one of the cutting recesses, and the two abutting walls can abut the first cutting edge portion and the second cutting edge portion, respectively; A lock fastener penetrates the through hole and the lock is installed in the screw hole.

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