CN212019636U - Reaming tool - Google Patents

Abstract

The embodiment of the application provides a counter boring cutter, counter boring cutter includes: the knife handle is of a cylindrical structure; a tool bar adjustably mounted at one end of the tool shank; a blade disposed on the knife bar. This application has realized reducing the operation degree of difficulty, improves efficiency and quality of ream flat processing.

Description

Reaming tool

Technical Field

The application relates to the technical field of machining, in particular to a spot facing cutter.

Background

When a traditional machining center is used for forward and backward facing, a white steel cutter of a rocker drill or a hard alloy blade type milling cutter is usually used for facing, although the machining mode of the white steel cutter is flexible, the white steel cutter needs to be grooved and sharpened before machining every time, the machining efficiency is extremely low, the machined surface quality is poor, the milling cutter has high feed parameters, but the machining path is long, the machining size is limited, and the machining size requirement cannot be met under many conditions.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a countersinking cutter for realizing reducing the operation difficulty and improving the efficiency and quality of countersinking processing.

The first aspect of the embodiment of the application provides a ream flat cutter, includes: the tool comprises a tool handle, a tool handle and a tool body, wherein the tool handle is of a cylindrical structure, a driving device interface is arranged on the tool handle, and the driving device interface comprises a truncated cone-shaped handle, a first flange plate and a second flange plate; a tool bar adjustably mounted at one end of the tool shank; a blade disposed on the knife bar.

In one embodiment, a through hole is formed in one end of the cutter handle, which is used for connecting the cutter bar, and the cutter bar penetrates through the through hole and is perpendicular to the cutter handle.

In one embodiment, the handle and the tool bar are detachably connected by screws.

In one embodiment, two screw mounting holes are formed in the end surface of the tool holder, which is used for connecting one end of the tool bar.

In an embodiment, the driving device interface is disposed at an end of the tool shank away from the tool bar.

In one embodiment, a groove is formed in one end of the tool shank, which is used for connecting the tool bar.

In one embodiment, the blade is provided with a chip breaker.

In one embodiment, the blade is fixed on the cutter bar by a screw, and the blade is provided with two locking holes.

In one embodiment, the blade surface is provided with a protective coating.

In one embodiment, the protective coating includes a physical coating and/or a chemical coating.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a countersink tool 100 according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a countersink tool 100 according to another embodiment of the present disclosure;

FIG. 3 is a schematic view of a blade 130 according to an embodiment of the present application;

FIG. 4 is a schematic view of an application of the spot facing tool 100 according to an embodiment of the present disclosure.

Reference numerals:

100-spot facing cutter, 110-cutter handle, 111-through hole, 112-mounting hole, 113-first screw, 114-groove, 115-driving equipment interface, 51-taper shank, 511-bottom surface, 52-connecting structure, 521-first flange, 5211-first flange, 5212-second flange, 522-connecting part, 523-second flange, 5231-third flange, 5232-fourth flange, 524-V-shaped groove, 120-cutter bar, 130-blade, 131-chip breaker, 132-locking hole, 133-second screw, 134-blade, 200-workpiece, 210-hole to be processed, 220-spot facing plane.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

In the description of the present application, the terms "first," "second," and the like are used for distinguishing between descriptions and do not denote an order of magnitude, nor are they to be construed as indicating or implying relative importance.

In the description of the present application, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are absolutely required to be horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, the terms "upper", "lower", "left", "right", "front", "back", "inner", "outer", and the like refer to orientations or positional relationships that are based on orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally found in the products of the application, and are used for convenience in describing the present application, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, unless expressly stated or limited otherwise, the terms "disposed," "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; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Please refer to fig. 1, which is a schematic structural diagram of a countersink tool 100 according to an embodiment of the present application. The countersink tool 100 includes: a handle 110, a tool bar 120, and a blade 130. The tool holder 110 is a straight-shank cylindrical structure, the tool bar 120 is adjustably mounted at one end of the tool holder 110, and the blade 130 is disposed on the tool bar 120.

One end of the knife handle 110, which is used for connecting the knife rod 120, is provided with a through hole 111, and the knife rod 120 penetrates through the through hole 111 and is perpendicular to the knife handle 110. In an embodiment, the tool bar 120 may be a cylindrical structure or a rectangular structure, and the shape and size of the through hole 111 match with the tool bar 120. The tool holder 110 and the tool bar 120 are detachably connected through a first screw 113, two mounting holes 112 are formed in the end face, used for connecting one end of the tool holder 120, of the tool holder 110, and the mounting holes 112 are used for mounting the first screws 113. The end of the tool shank 110 remote from the tool shank 120 is provided with a drive device interface 115. In one embodiment, the driving device interface 115 is a BT50 interface of the numerical control device. One end of the handle 110, which is used for connecting the tool bar 120, is provided with a groove 114.

In one embodiment, the cutting edge 134 of the blade 130 is disposed upward, the blade 130 is fixed on the tool holder 120 by a second screw 133, so as to facilitate assembly and replacement, and the number of the second screws 133 is two.

In one embodiment, the drive device interface 115 includes a taper shank 51 and a connection structure 52. The taper shank 51 is a circular truncated cone structure, and the taper shank 51 is arranged at one end of the tool holder 110 far away from the tool bar 120 through the connecting structure 52. The connecting structure 52 includes: a first flange 521, a connecting portion 522, and a second flange 523. The first flange 521 and the second flange 523 are provided coaxially with the taper shank 51, and the connecting portion 522 is provided between the first flange 521 and the second flange 523.

The first flange plate 521 includes: a first flange face 5211 and a second flange face 5212, the second flange 523 comprising: a third flange face 5231 and a fourth flange face 5232. The first flange surface 5211 of the first flange 521 is connected with the bottom surface 511 of the taper shank 51, the second flange surface 5212 of the first flange 521 is connected with the connecting portion 522, the third flange surface 5231 of the second flange 523 is connected with the connecting portion 522, and the fourth flange surface 5232 of the second flange 523 is connected with the tool shank 110. The diameter of the first flange 521 and the diameter of the second flange 523 are both greater than the diameter of the connecting portion 522, and the second flange surface 5212, the connecting portion 522 and the third flange surface 5231 together form a V-shaped groove 524.

Fig. 2 is a schematic structural diagram of a countersinking tool 100 according to an embodiment of the present disclosure. The countersink tool 100 includes: a handle 110, a tool bar 120, and a blade 130. The tool holder 110 is a straight-shank cylindrical structure, the tool bar 120 is adjustably mounted at one end of the tool holder 110, and the blade 130 is disposed on the tool bar 120. The cutter bar 120 penetrates through the through hole 111 in the cutter handle 110 and is perpendicular to the cutter handle 110, and the cutter bar 120 is mounted on the cutter handle 110 through the first screw 113 after being adjusted. One end of the handle 110, which is used for connecting the tool bar 120, is provided with a groove 114. The end of the tool shank 110 remote from the tool shank 120 is provided with a drive device interface 115. The insert 130 is mounted on the holder 120 by a second screw 133 with the cutting edge 134 of the insert 130 facing downward.

Fig. 3 is a schematic structural diagram of a blade 130 according to an embodiment of the present application. The blade 130 is provided with two locking holes 132 for mounting a second screw 133. The blade 130 is provided with a chip breaker 131. In the machining process, the chip breaker 131 can not only cut off chips to avoid the chips from winding around a machined workpiece or a cutter, but also control the outflow direction of the chips, maintain the precision of a machined surface, reduce cutting resistance and prolong the service life of the cutter. In one embodiment, the shape of the chip breaker 131 includes, but is not limited to: straight circular arc, linear, full circular arc, and the like. In an embodiment, the chip breaker 131 may be inclined in an outward inclined manner, or in a parallel manner or an inward inclined manner.

The blade 130 surface is provided with a protective coating comprising a physical coating provided by PVD (physical Vapor deposition) and/or a chemical coating provided by CVD (chemical Vapor deposition). In one embodiment, the protective coating includes, but is not limited to: a single metal film, a nitride film, a carbide film, an oxide film, and the like. The protective coating can effectively improve the surface hardness, wear resistance and heat resistance of the blade 130 and improve the service life of the blade 130.

In one embodiment, the blade 130 is a large-cut-width blade, and the length of the cutting edge 134 of the blade 130 is greater than 35 mm.

Fig. 4 is a schematic view of an application of the spot facing cutter 100 according to an embodiment of the present disclosure. When the spot facing tool 100 is used for carrying out front spot facing on a workpiece 200, firstly, a tool holder 110 extends into a hole 210 to be processed of the workpiece 200 and is adjusted to a corresponding position, then, a tool bar 120 provided with a blade 130 is inserted into the tool holder 110, the length of the tool bar is adjusted, a first screw 113 is used for locking, then, spot facing processing is directly carried out, and the spot facing plane 220 is obtained after processing. When reverse countersinking is carried out, the cutter bar 120 is only required to be detached and reinstalled, and the cutting edge 134 of the blade 130 faces the hole 210 to be machined.

In one embodiment, the tool shanks 110 can be configured with different sizes to meet the spot-facing requirements of the holes 210 to be machined with different sizes.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A countersink tool, comprising:

the tool comprises a tool handle, a tool handle and a tool body, wherein the tool handle is of a cylindrical structure, a driving device interface is arranged on the tool handle, and the driving device interface comprises a truncated cone-shaped handle, a first flange plate and a second flange plate;

a tool bar adjustably mounted at one end of the tool shank;

a blade disposed on the knife bar.

2. The spot facing cutter according to claim 1, wherein a through hole is formed in one end, used for being connected with the cutter bar, of the cutter holder, and the cutter bar penetrates through the through hole and is perpendicular to the cutter holder.

3. The spot facing tool of claim 1, wherein the shank and the tool bar are removably coupled by a screw.

4. The spot facing cutter of claim 1, wherein two screw mounting holes are formed in an end face of the cutter holder, which is used for connecting one end of the cutter bar.

5. The spot facing tool of claim 1, wherein the drive apparatus interface is disposed at an end of the shank distal from the tool bar.

6. The spot facing cutter of claim 1, wherein a groove is formed in one end of the cutter holder, which is used for being connected with the cutter bar.

7. The spot facing cutter of claim 1, wherein the insert is provided with a chip breaker.

8. The spot facing cutter of claim 1, wherein the insert is secured to the holder by a screw, and the insert defines two locking holes.

9. The spot facing cutter of claim 1, wherein the insert surface is provided with a protective coating.

10. The spot facing cutter of claim 9, wherein the protective coating includes a physical coating and/or a chemical coating.

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