CN210023809U - Boring cutter arbor, boring cutter and numerical control lathe - Google Patents
Boring cutter arbor, boring cutter and numerical control lathe Download PDFInfo
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- CN210023809U CN210023809U CN201920314981.5U CN201920314981U CN210023809U CN 210023809 U CN210023809 U CN 210023809U CN 201920314981 U CN201920314981 U CN 201920314981U CN 210023809 U CN210023809 U CN 210023809U
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- mounting
- boring cutter
- boring
- boring tool
- clamping
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Abstract
The utility model relates to the field of boring cutters, and provides a boring cutter bar, a boring cutter comprising the boring cutter bar and a numerical control lathe comprising the boring cutter, which comprises a cutter head part and a strip-shaped clamping part, wherein the cutter head part is provided with a first end and a second end which are opposite, and the first end is connected with one side of the clamping part; the cutter head part is provided with a mounting surface which extends along the extending direction of the clamping part; an installation gap for installing the boring cutter blade is formed on the installation surface, and a threaded hole is formed in the bottom surface of the installation gap; the cutter head part is provided with a first clearance surface between the first end and the second end, and the mounting surface and the bottom surface of the mounting notch are connected with the first clearance surface; a second clearance surface is formed on the clamping part and connected between the outer wall of the clamping part and the mounting surface; the clamping part is provided with a clamping plane which is connected with the second clearance surface; the boring cutter bar can be stably installed on the cutter frame, is not deformed for a long time, is high in durability, ensures the processing stability, and is high in hole precision and hole structure quality.
Description
Technical Field
The utility model relates to a boring cutter field particularly, relates to a boring cutter arbor, including the boring cutter of this boring cutter arbor and including the numerical control lathe of this boring cutter.
Background
The numerically controlled lathe is one of the widely used numerically controlled machines at present, and is mainly used for cutting and processing the inner and outer cylindrical surfaces, the inner and outer conical surfaces with any taper angle, the complex rotary inner and outer curved surfaces, the cylinders, the conical threads and the like of shaft parts or disc parts, and can perform reaming, drilling, reaming, boring and the like.
At present, a cylindrical tungsten steel cutter is usually used for machining an end face hole by a boring cutter, on one hand, the cutter is difficult to remove chips when machining a deep hole, the probability of slag winding of the cutter is increased, the cutter is fast in abrasion and slow in machining, the size precision and the smoothness of a machined product are influenced, the yield of the product is difficult to improve, and therefore the production cost is wasted; on the other hand, because the boring cutter structure sets up unreasonablely, the carrier for fixed cutter is difficult quick counterpoint when the clamping cutter, and the clamping is long-term, and is inefficient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a boring cutter arbor, boring cutter and numerical control lathe aims at solving among the prior art because the boring cutter structure sets up unreasonablely, leads to its chip removal ability low, life weak point and clamping efficiency and the low technical problem of stability.
To achieve the purpose, the utility model adopts the technical proposal that:
providing a boring cutter bar, which comprises a cutter head part and a strip-shaped clamping part, wherein the cutter head part is provided with a first end and a second end which are opposite, and the first end is connected to one side of the clamping part; the cutter head part is provided with a mounting surface which extends along the extending direction of the clamping part; an installation notch for installing the boring cutter blade is formed in the installation surface, and a threaded hole is formed in the bottom surface of the installation notch; the cutter head part is provided with a first clearance surface between the first end and the second end, and the mounting surface and the bottom surface of the mounting notch are both connected with the first clearance surface; a second clearance surface is formed on the clamping part and connected between the outer wall of the clamping part and the mounting surface; and a clamping plane is arranged on the clamping part and is connected with the second clearance surface.
Further, the cutter bar of the boring cutter is made of 40 chromium molybdenum steel.
Further, an outer end face of the second end extends obliquely from the mounting face toward a circumferential outer wall of the bit section and toward the first end.
Further, the first clearance surface comprises a first inclined surface, a second inclined surface and an arc surface which are sequentially connected, the first inclined surface is respectively connected with the outer end surface of the second end and the bottom surface of the installation notch, the second inclined surface is respectively connected with the bottom surface of the installation notch and the installation surface, and the arc surface is respectively connected with the installation surface and the clamping part.
Furthermore, an avoiding groove is formed in the mounting surface and communicated with the mounting notch.
Furthermore, the mounting surface is respectively provided with a chamfer at the mounting notch and the avoiding groove.
Further, the mounting surface is parallel to the clamping plane.
Further, the clamping part is cylindrical, and the mounting surface coincides with the axis of the clamping part.
The utility model provides a boring cutter arbor's beneficial effect lies in: compared with the prior art, the boring cutter bar provided by the utility model comprises a cutter head part and a strip-shaped clamping part, wherein the cutter head part is provided with an installation notch, and a threaded hole is formed on the bottom surface of the installation notch, so that the boring cutter blade can be in threaded connection with the cutter head part and reliably fixed in the installation notch, the boring cutter blade is prevented from shaking when a hole structure is machined, and the machining effect is stable; the first clearance avoiding surface and the second clearance avoiding surface are arranged, so that the chip removal capacity of the boring cutter in the hole structure machining process is improved, burrs are effectively avoided, and the machining quality is high; in addition, the clamping plane is arranged on the clamping part, so that the boring cutter bar can be stably installed on the cutter frame, the boring cutter bar is not deformed for a long time, the durability is strong, the service life is long, the processing stability is ensured, and the hole precision and the hole structure quality are high.
The utility model provides a boring cutter's beneficial effect lies in: compared with the prior art, the utility model provides a boring cutter, which comprises a boring cutter blade and the boring cutter bar, wherein the boring cutter blade is arranged in the mounting notch of the cutter head part; the boring cutter can be used for processing various inner hole structures, has high processing quality and long service life, does not need frequent cutter changing, is convenient for sharpening blades and has high production efficiency; the boring cutter is not deformed for a long time, the durability is strong, and the production cost is low.
The utility model provides a numerical control lathe's beneficial effect lies in: compared with the prior art, the utility model provides a numerical control lathe, including foretell boring cutter, this numerical control lathe accessible is preset various hole structures of this boring cutter processing of program control, and processingquality is high, and production efficiency is high, and cutter long service life, has reduced the produced error of repeated clamping cutter and time cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic perspective view of a boring tool provided in an embodiment of the present invention;
fig. 2 is a schematic front view of a boring tool provided in an embodiment of the present invention;
fig. 3 is a left side view schematically illustrating a boring tool according to an embodiment of the present invention;
fig. 4 is a schematic top view of a boring tool according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1: the cutter head portion 1 a: first end
1 b: second end 11: mounting surface
10: mounting notch 12: first clearance surface
121: first slope 14: outer end face of the second end
123: arc surface 122: second inclined plane
13: the chamfering structure 100: dodging groove
2: the clamping portion 200: extending direction of the clamping part
21: the holding plane 22: second clearance surface
3: boring cutter blade
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1 to 4, a preferred embodiment of the present invention is provided.
The boring cutter bar provided by the embodiment can be used for processing various inner hole structures, such as end surface holes within 2.0 mm; the cutter bar of the boring cutter is but not limited to a cutter bar made of 40 chromium molybdenum steel; the boring cutter bar comprises a cutter head part 1 and a strip-shaped clamping part 2, wherein the cutter head part 1 is provided with a first end 1a and a second end 1b which are opposite, and the first end 1a is connected to one side of the clamping part 2; the tool head part 1 is provided with a mounting surface 11, and the mounting surface 11 extends along the extending direction 200 of the clamping part 2; a mounting notch 10 for mounting the boring cutter blade 3 is formed on the mounting surface 11, and a threaded hole (not shown) is formed in the bottom surface of the mounting notch 10; the threaded hole is formed in the bottom surface of the mounting notch 10, so that the boring cutter blade 3 can be in threaded connection with the cutter head part 1 and reliably fixed in the mounting notch 10, the boring cutter blade 3 is prevented from shaking when a hole structure is machined, and the machining effect is stable; the cutter head part 1 is provided with a first clearance surface 12 positioned between the first end 1a and the second end 1b, and the mounting surface 11 and the bottom surface of the mounting notch 10 are connected with the first clearance surface 12; a second clearance surface 22 is formed on the clamping part 2, and the second clearance surface 22 is connected between the outer wall of the clamping part 2 and the mounting surface 11; by arranging the first clearance avoiding surface 12 and the second clearance avoiding surface 22, the chip removal capacity of the boring cutter in the hole structure machining process is improved, burrs are effectively avoided, and the machining quality is high; in addition, the clamping portion 2 is provided with a clamping plane 21, specifically, the clamping plane 21 is formed on the outer side wall of the clamping portion 2, and the clamping plane 21 is connected with the second clearance surface 22, so that the boring cutter bar can be stably installed on the cutter holder, the boring cutter bar is not deformed for a long time, the durability is strong, the service life is long, the processing stability is ensured, and the hole precision and the hole structure quality are high; the number of the holding planes 21 may be one or more, and is not limited herein.
In an embodiment of the present invention, the outer end surface 14 of the second end 1b extends obliquely from the mounting surface 11 to the outer circumferential wall of the tool bit portion 1 and to the first end 1a, specifically, the outer circumferential wall of the tool bit portion 1 is connected to the outer end surface 14 of the second end 1b, the mounting surface 11, and the first clearance surface 12 at the same time to form the tool bit portion 1, and the outer circumferential wall of the tool bit portion 1 may be a curved surface structure; the outer end face 14 of the second end 1b is arranged in this way, so that the chip removal capacity of the boring cutter in the hole structure machining process is further improved, burrs are effectively avoided, and the machining quality is high.
In an embodiment of the present invention, the first clearance surface 12 includes a first inclined surface 121, a second inclined surface 122 and an arc surface 123 connected in sequence, the first inclined surface 121 is connected to the outer end surface 14 of the second end 1b and the bottom surface of the installation notch 10, the second inclined surface 122 is connected to the bottom surface of the installation notch 10 and the installation surface 11, and the arc surface 123 is connected to the installation surface 11 and the clamping portion 2; the first void-avoiding surface 12 is simple in structure and easy to machine, and facilitates chip removal of the boring cutter in the machining process of the hole structure.
In one embodiment of the present invention, the mounting surface 11 is further formed with an avoiding groove 100, the avoiding groove 100 is communicated with the mounting notch 10, and the avoiding groove 100 may have a substantially circular cross-sectional shape as shown in the figure; the avoidance groove 100 is arranged, so that the boring cutter blade 3 is convenient to assemble and disassemble; specifically, the avoidance groove 100 is generally used for accommodating a cutting part of the boring cutter blade 3, so that the installation notch 10 can fix boring cutter blades 3 of various types of cutting parts by arranging the avoidance groove 100, that is, the avoidance groove 100 provides a certain accommodating space for the cutting part of the boring cutter blade 3; the structure increases the universality of the boring cutter bar, improves the utilization rate of the boring cutter bar and realizes multiple purposes.
The utility model discloses an in the embodiment, installation face 11 is formed with chamfer structure 13 in installation breach 10 and dodge groove 100 department respectively, and this structure is convenient for process, has avoided fixing boring cutter blade 3 by wearing and tearing when installing breach 10, also is favorable to carrying out the chip removal simultaneously in the spot facing work in-process, has guaranteed the life of machining precision and boring cutter.
In one embodiment of the present invention, the mounting surface 11 is parallel to the clamping plane 21; this structure is convenient for the clamping of clamping part 2, and simultaneously, boring cutter blade 3 will generally be on a parallel with installation face 11 installation, when installation face 11 is parallel with clamping plane 21, has guaranteed that boring cutter blade 3 is parallel with clamping plane 21 promptly, and then has effectively avoided boring cutter blade 3 to take place to tremble when the processing hole structure, and the processing effect is stable, and bore hole precision and hole structure quality are high.
In one embodiment of the present invention, the clamping portion 2 is cylindrical, and the mounting surface 11 coincides with the axis of the clamping portion 2; the axis here refers to the central axis of the clamping part 2, i.e. the mounting surface 11 is located in the middle position of the clamping part 2; the structure ensures that the cutter has enough chip removal space on one hand, optimizes the mounting position of the boring cutter blade 3 on the other hand, further ensures that the boring cutter blade 3 can be reliably fixed in the mounting notch 10 in the machining process, and has reasonable structural design and stable machining effect.
The utility model provides a boring cutter, which can be used for processing various inner hole structures, comprising a boring cutter blade 3 and the boring cutter bar, wherein the boring cutter blade 3 is arranged in an installation gap 10 of a cutter head part 1; the boring cutter can be used for processing various inner hole structures, has high processing quality and long service life, does not need frequent cutter changing, is convenient for sharpening blades and has high production efficiency; the boring cutter is not deformed for a long time, the durability is strong, and the production cost is low.
The utility model provides a numerical control lathe, including foretell boring cutter, this numerical control lathe accessible is preset various hole structures of this boring cutter processing of program control, and processingquality is high, and production efficiency is high, and cutter long service life, has reduced produced error and the time cost of repeated clamping cutter.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The boring cutter bar is characterized by comprising a cutter head part and a strip-shaped clamping part, wherein the cutter head part is provided with a first end and a second end which are opposite, and the first end is connected to one side of the clamping part; the cutter head part is provided with a mounting surface which extends along the extending direction of the clamping part; an installation notch for installing the boring cutter blade is formed in the installation surface, and a threaded hole is formed in the bottom surface of the installation notch; the cutter head part is provided with a first clearance surface between the first end and the second end, and the mounting surface and the bottom surface of the mounting notch are both connected with the first clearance surface; a second clearance surface is formed on the clamping part and connected between the outer wall of the clamping part and the mounting surface; and a clamping plane is arranged on the clamping part and is connected with the second clearance surface.
2. The boring tool holder according to claim 1, wherein the boring tool holder is a 40 chromium molybdenum steel holder.
3. The boring tool bar as claimed in claim 1 or 2, wherein an outer end face of the second end extends obliquely from the mounting face to the circumferential outer wall of the tool head portion and to the first end.
4. The boring tool holder according to claim 1 or 2, wherein the first clearance surface includes a first inclined surface, a second inclined surface, and an arc surface, which are connected in sequence, the first inclined surface is connected to the outer end surface of the second end and the bottom surface of the mounting notch, respectively, the second inclined surface is connected to the bottom surface of the mounting notch and the mounting surface, respectively, and the arc surface is connected to the mounting surface and the clamping portion, respectively.
5. The boring tool bar as claimed in claim 1 or 2, wherein an escape groove is further formed on the mounting surface, the escape groove communicating with the mounting notch.
6. The boring tool holder according to claim 5 wherein the mounting surface is formed with a chamfer structure at the mounting notch and the relief groove, respectively.
7. The boring tool bar as claimed in claim 1 or 2, wherein the mounting face is parallel to the clamping plane.
8. The boring tool bar as claimed in claim 1 or 2, wherein the clamping portion is cylindrical and the mounting surface coincides with the axis of the clamping portion.
9. A boring tool comprising a boring tool insert and the boring tool holder according to any one of claims 1 to 8, wherein the boring tool insert is mounted in the mounting notch of the tool head portion.
10. A numerically controlled lathe comprising the boring tool as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920314981.5U CN210023809U (en) | 2019-03-08 | 2019-03-08 | Boring cutter arbor, boring cutter and numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920314981.5U CN210023809U (en) | 2019-03-08 | 2019-03-08 | Boring cutter arbor, boring cutter and numerical control lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210023809U true CN210023809U (en) | 2020-02-07 |
Family
ID=69354693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920314981.5U Expired - Fee Related CN210023809U (en) | 2019-03-08 | 2019-03-08 | Boring cutter arbor, boring cutter and numerical control lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210023809U (en) |
-
2019
- 2019-03-08 CN CN201920314981.5U patent/CN210023809U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |