TWM505357U - Circular groove cutting tool and turning tool blade thereof - Google Patents

Description

Cutting ring groove turning tool and its blade

This creation is related to cutting tools, and more specifically to a cutting ring groove cutter and its blade.

Pressing, generally want to perform coloring, knurling, pressing or other cosmetic appearance on the sleeve, first need to cut a ring groove on the sleeve to color, knurl or emboss in the ring groove So that not only can enhance the appearance of the appearance, but also does not affect the function of the sleeve.
However, in order to cut the ring groove on the sleeve, it is generally carried out by a turning tool dedicated to the cutting ring groove. Nowadays, the turning tool structure dedicated to the cutting ring groove is mainly divided into two types, one is to harden the turning blade. The type of turning tool welded to the turning tool bar, but this type of turning tool has only one blade to be used, so there is a problem of wasting consumables, which has gradually been used in the industry, and the other is a replaceable car. The blade type of the blade, although the blade has a blade at both ends, so that when the blade at one end is worn, the blade can be adjusted to use the blade at the other end, thereby increasing the total number of uses and reducing the amount of consumables. The purpose.
However, such a replaceable blade that is dedicated to the cutting ring groove and has two blades can be improved, and there is still room for improvement in the industry today under the principle of saving consumables.

In view of this, in order to improve the prior art, the conventional turning tool for the cutting ring groove still has problems such as poor total number of cutting times and waste of consumables; therefore, the present invention provides a cutting ring groove turning tool. The utility model mainly comprises: a vehicle tool bar, the one end of the tool bar is recessed with a receiving limit groove, the receiving limit groove has a screw hole; and a car blade has two cutting portions and a consistent hole, the two cutting portions Each of the cutting portions has a tapered shape and is symmetrically connected to each other such that the tip end of each cutting portion faces outward, and the outer surface of each cutting portion defines a top surface, a bottom surface and two surfaces connected to the top surface a side surface of the bottom surface, wherein the top surface is recessed with a chip flute, so that a tip end portion of the top surface is formed as a first cutting edge between the top chip flutes, and a bottom row is recessed on the bottom surface a chip groove, the tip end portion of the bottom surface is formed as a second cutting edge between the bottom chip flutes, the through hole is through the top surface of the intersection portion of the two cutting portions; a connecting member is threaded through The through hole is screwed with the screw hole to carry the blade and the tool holder The connection is fixed, and one cutting portion of the blade is limited to the receiving limit groove of the tool holder, and the other cutting portion is exposed outside the receiving limit groove; thereby increasing the total number of cutting times And save energy and other effects.
In addition, the present invention further provides a cutting blade cutter blade, which mainly comprises: two cutting portions which are respectively tapered and symmetrically connected to each other such that the tip end of each cutting portion faces outward. The outer surface of each cutting portion may define a top surface, a bottom surface and two sides connected between the top surface and the bottom surface edge, and the top surface is recessed with a top chip flute to make the tip end of the top surface Forming a first cutting edge between the portion and the top chip flute, the bottom surface is recessed with a bottom flute, so that a tapered edge portion of the bottom surface forms a second cutting edge between the bottom flutes The consistent hole runs through the top surface of the intersection where the two cutting portions are located; thereby achieving the effects of increasing the total number of cutting times and saving consumables.

100‧‧‧ Cutting ring groove turning tool 10‧‧‧Tooling bar 11‧‧‧Retaining limit groove 111‧‧‧Bottom wall 112‧‧‧ Side wall 12‧‧‧ screw hole 13‧‧‧Relief tank 20 ‧‧‧Car blade 21‧‧‧Cutting part 211‧‧‧Top surface 212‧‧‧Bottom 213‧‧‧Side 214‧‧‧Top flutes 215‧‧‧First cutting edge 216‧‧‧ bottom chip Slot 217‧‧‧Second cutting edge 22‧‧‧through hole 30‧‧‧Connection 90‧‧‧Workpiece 91‧‧‧ Ring groove

The first figure is an exploded perspective view of a preferred embodiment of the present invention.
The second drawing is a perspective view of a partial member of the embodiment shown in the first figure.
The third figure is a perspective assembled view of the embodiment shown in the first figure.
The fourth figure is a schematic view showing the state of use of the embodiment shown in the first figure.
The fifth drawing is a schematic view showing the state of use of the embodiment shown in the first figure.
Figure 6 is a schematic view showing the state of use of the embodiment shown in the first figure.
The seventh drawing is a schematic view showing the state of use of the embodiment shown in the first figure.
The eighth drawing is a schematic view showing the state of use of the embodiment shown in the first figure.
The ninth drawing is a schematic view showing the state of use of the embodiment shown in the first figure and a partial enlarged view.

In order to enable your review committee to have a better understanding and recognition of the characteristics and characteristics of this creation, the following preferred examples are listed below with the following description:
Referring to the first to ninth drawings, a cutting ring groove turning tool 100 according to a preferred embodiment of the present invention comprises a turning tool bar 10, a turning blade 20 and a connecting member 30, wherein:
Referring to the first to third figures, the tool holder 10 is an elongated rod body. The top surface of one end of the tool holder 10 is recessed with a receiving limit slot 11 for receiving the limiting slot 11 a space surrounded by a bottom wall 111 and two side walls 112. The bottom wall 111 is flat and gradually inclined toward the end. The bottom wall 111 has a screw hole 12, and the two side walls 112 are respectively connected to the bottom wall. The two side edges of the 111 extend upwardly and extend toward the other end of the tool holder 10, and a decompression groove 13 is formed at a diverging intersection of the two side walls 112.
Referring to the first to third figures, the blade 20 is integrally formed as a diamond-shaped piece having two cutting portions 21 and a constant hole 22. The two cutting portions 21 are respectively tapered and symmetrically connected to each other such that the tip end of each cutting portion 21 faces outward. The outer surface of each cutting portion 21 defines a top surface 211 and a bottom surface. 212 and 2 are connected to the side surface 213 between the top surface 211 and the edge of the bottom surface 212. The top surface 211 is recessed with a top chip flute 214, so that the tip end portion of the top surface 211 is to the top chip flute 214. Formed as a first cutting edge 215, the bottom surface 212 is recessed with a bottom chip flute 216, so that a tapered end portion of the bottom surface 212 is formed between the bottom chip flute 216 as a second cutting edge 217; The through hole 22 is formed through the two cutting portions 21 at the top and bottom surfaces of the intersection. In the embodiment, the through hole 22 is a counterbore.
Referring to the first to third figures, the coupling member 30 is used to securely attach the blade 20 to the tool holder 10. In the embodiment, the connecting member 30 is a countersunk screw, and the connecting member 30 is inserted through the through hole 22 of the turning insert 20 and is pressed against the turning blade 20 by the head thereof. The body is screwed into the screw hole 12 of the tool holder 10 such that a cutting portion 21 of the blade 20 is limited to the receiving limit groove 11 of the tool holder 10 to prevent the blade 20 from being removed. Rotating or swaying, and being limited to the cutting portion 21 in the receiving limit groove 11, the first cutting edge 215 and the second cutting edge 217 are located in the pressure reducing groove 13 to prevent the turning tool bar 10 from The first cutting edge 215 and the first cutting edge 217 collide. The first cutting edge 215 and the second cutting edge 217 of the other cutting portion 21 of the blade 20 extend out of the receiving limiting slot 11 . To perform cutting of the workpiece.
Therefore, the above description is a description of the components of the cutting ring groove turning tool 100 and the assembling manner thereof provided by a preferred embodiment of the present invention, and then the use characteristics thereof are as follows:
First, as shown in the fourth figure, when a workpiece 90 (such as a sleeve) is to be cut into a ring groove, the workpiece 90 is fixed to a cutting machine (not shown) and the workpiece 90 is rotated. (As shown in FIG. 5), the present multi-cutting ring turning tool 100 is fixed on the cutting machine (not shown) so as to be exposed to a cutting portion 21 outside the receiving limit groove 11. The first cutting edge 215 faces upward (as shown in FIG. 6), and then controls the cutting ring groove turning tool 100 to move toward the circumferential surface of the workpiece 90 so that the first cutting edge 215 comes into contact with the circumferential surface of the workpiece 90 ( As shown in the fifth figure, and gradually feeding, to cut the ring groove 91 on the workpiece 90 (as shown in the sixth and seventh figures), and finally to withdraw the cutting ring groove turning tool 100, The machining operation of cutting the ring groove 91 on the workpiece 90 is completed (as shown in the eighth drawing).
In the state of use, the cutting blade 21 is used for cutting, and the other cutting portion 21 is limited to the receiving limit groove 11 of the turning tool bar 10, except that the turning blade 20 can be avoided. When the first cutting edge 215 of the cutting portion 21 for cutting is worn out due to the rotation or movement of the force, the coupling member 30 can be rotated and the turning blade 20 can be turned up and down. The cutting operation is performed by the second cutting edge 217 of the same cutting portion 21, and when the second cutting 217 is also worn, the cutting portion 21 originally limited to the receiving limit groove 11 is transferred to the cutting portion 21 At the position of the cutting, the cutting portion 21 which is worn is transferred to the accommodating limit groove 11; thus, not only the blade 20 can be firmly coupled to the tool holder 10, but also the maximum The car blade 20 is used in a reduced manner to reduce the amount of consumables.
Since each cutting portion 21 of the present invention has a first cutting edge 215 and a second cutting edge 217, the two cutting portions 21 have a total of four cutting edges capable of cutting the ring groove; thereby, more cutting can be provided. To maximize the number of uses.
Further, as shown in the ninth embodiment, in the above embodiment, the end edges of the first cutting edge 215 and the second cutting edge 217 of each of the cutting portions 21 are all flat to cut the flat bottom ring groove. However, in practice, the edge of the first cutting edge and the second cutting edge of each cutting portion may be a circular arc surface to cut the arc bottom ring groove.
The above description is only for the preferred embodiment provided by the present invention, and is not intended to limit the scope of implementation of the present invention. All of the relevant artisans in the art are equally varied according to the present creation, and should belong to the present invention. The scope of coverage.

100‧‧‧Cutting ring groove turning tool

10‧‧‧Toolbar

11‧‧‧Retaining limit slot

111‧‧‧ bottom wall

112‧‧‧ side wall

12‧‧‧ screw holes

13‧‧‧Relief tank

20‧‧‧ car blades

21‧‧‧cutting department

211‧‧‧ top surface

212‧‧‧ bottom

213‧‧‧ side

214‧‧‧ top flute

215‧‧‧First cutting edge

216‧‧‧ bottom flute

217‧‧‧second cutting edge

22‧‧‧through holes

30‧‧‧Links

Claims (1)

1. A cutting ring groove turning tool, which mainly comprises:
a tool holder, the one end of the tool holder is recessed with a receiving limit groove, and the receiving limit groove has a screw hole therein;
a car blade having two cutting portions and a constant hole, wherein the two cutting portions are respectively tapered and symmetrically connected to each other such that the tip end of each cutting portion faces outward, and the outer surface of each cutting portion can be Defining a top surface, a bottom surface and two sides connected between the top surface and the bottom surface edge, the top surface is recessed with a top chip flute, so that the tip end portion of the top surface is to the top chip flute Formed as a first cutting edge, the bottom surface is recessed with a bottom chip flute, so that a tapered end portion of the bottom surface is formed as a second cutting edge between the bottom chip flutes, and the through hole runs through the two The cutting portion is located at the top bottom of the intersection;
a connecting member is threaded through the through hole and screwed with the screw hole to fix the blade to the tool holder, and a cutting portion of the blade is limited to the tool holder In the limiting slot, the other cutting portion is exposed outside the receiving limiting slot.
2. The cutting ring groove turning tool according to claim 1, wherein the receiving limit groove is a space surrounded by a bottom wall and two side walls, wherein the bottom wall is flat and ends. Gradually inclined, the screw hole is located on the bottom wall, and the two side walls are respectively connected to the two side edges of the bottom wall, and simultaneously extend upward and gradually extend toward the other end of the tool holder.
3. The cutting ring groove turning tool according to claim 2, wherein the tapered side intersection of the two side walls is expanded to form a pressure reducing groove.
4. The cutting ring groove turning tool according to claim 1, wherein the connecting member is a countersunk screw, and the through hole of the turning blade is a countersunk hole.
5. The cutting ring groove turning tool according to claim 1, wherein the cutting edges of the first cutting edge and the second cutting edge of each cutting portion are flat.
6. The cutting ring groove turning tool according to claim 1, wherein the end edges of the first cutting edge and the second cutting edge of each cutting portion are arc surfaces.
7. A car blade for cutting a ring groove turning tool, which mainly comprises:
The two cutting portions are respectively tapered and symmetrically connected to each other such that the tapered end portions of the cutting portions face outward, and the outer surfaces of the cutting portions can define a top surface, a bottom surface and two a side surface between the top surface and the bottom surface, wherein the top surface is recessed with a chip flute so that a tip end portion of the top surface is formed as a first cutting edge between the top chip flutes, and the bottom surface is recessed a bottom chip flute, the tapered end portion of the bottom surface is formed as a second cutting edge between the bottom flutes;
The consistent hole runs through the top surface of the intersection where the two cutting portions are located.
8. The cutting insert of the ring groove turning tool according to claim 7, wherein the cutting edges of the first cutting edge and the second cutting edge of each cutting portion are flat.
9. The blade for cutting a ring-turning tool according to claim 7, wherein the edge of the first cutting edge and the second cutting edge of each cutting portion are arc surfaces.
10. The blade for cutting a ring groove turning tool according to claim 7 of the patent application scope, wherein the through hole is a countersunk hole.