CN214982191U - Annular drill bit tool bit - Google Patents
Annular drill bit tool bit Download PDFInfo
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- CN214982191U CN214982191U CN202121308879.8U CN202121308879U CN214982191U CN 214982191 U CN214982191 U CN 214982191U CN 202121308879 U CN202121308879 U CN 202121308879U CN 214982191 U CN214982191 U CN 214982191U
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Abstract
The utility model belongs to the technical field of the technique of boring and cutting the instrument and specifically relates to a ring bit tool bit is related to. This ring bit tool bit includes the ring bit body, the wall portion of ring bit body is followed the circumference of ring bit body divide into main thickness portion and inferior thickness portion, the thickness of main thickness portion is less than the thickness of inferior thickness portion. The utility model discloses can be under the prerequisite that does not influence the drilling performance, with the diameter attenuation of plug, get the core more easily, guarantee the utilization ratio of ring bit tool bit, improve the efficiency of construction.
Description
Technical Field
The utility model belongs to the technical field of the technique of boring and cutting the instrument and specifically relates to a ring bit tool bit is related to.
Background
The annular drill bit tool bit is usually welded on a steel substrate to drill and cut various bricks, cement, reinforced concrete, stone, sapphire and the like, and is widely applied to the fields of buildings and materials.
The conventional annular drill bit has only one thickness in the radial direction, and has the problems of poor chip removal, difficult coring and the like in the drilling process; especially, when the small-diameter drill bit drills into or penetrates through the reinforced concrete with multiple steel bars, the situation that the steel bars are clamped inside the cutter head of the annular drill bit and cannot be taken out frequently occurs, so that the construction period is prolonged, and the production cost is increased.
Disclosure of Invention
The utility model aims at providing a have the ring bit tool bit of two kinds of thickness on radial direction, smooth discharge of plug can be guaranteed in this design, improves the efficiency of construction.
The utility model provides an annular drill bit tool bit adopts following technical scheme:
the utility model provides an annular drill tool bit, includes the annular drill body, the wall portion of annular drill body is followed the circumference of annular drill body divide into main thickness portion and time thickness portion, the thickness of main thickness portion is less than the thickness of time thickness portion.
In the above-described ring bit holder, it is further preferable that a flute is formed in a wall portion of the ring bit body along an axial direction of the ring bit body, and the flute is U-shaped or V-shaped.
In the ring bit holder according to the present invention, it is preferable that the annular bit body has a plurality of flutes, and the flutes are distributed along a circumferential direction of the ring bit body.
In the ring bit holder according to the above aspect, it is preferable that the major thickness portion accounts for 65 to 85% of the circumferential direction of the ring bit body, and the minor thickness portion accounts for 15 to 35% of the circumferential direction of the ring bit body.
In the ring bit tool bit according to the above aspect, it is further preferable that the top surface of the ring bit body is a flat surface, a V-shape, an inner high inclination, or an outer high inclination.
In the ring bit according to the above aspect, it is preferable that the inner wall of the sub-thickness portion is closer to the center of the ring bit body than the inner wall of the main thickness portion.
In the ring bit according to the above aspect, it is preferable that the thickness of the secondary thickness portion is 0.2 to 0.6mm greater than the thickness of the primary thickness portion.
In the ring bit according to the above aspect, it is further preferable that the main thickness portion has a thickness of 1.5 to 5.0 mm.
The ring bit tool bit as described above, further preferably, the outer diameter of the ring bit body is 8 to 50mm, and the height of the ring bit body is 8 to 12 mm.
The analysis can know, compare with prior art, the utility model discloses an advantage and beneficial effect lie in:
1. under the prerequisite that does not influence drilling performance, with the diameter attenuate of plug, get the core more easily, guaranteed the utilization ratio of ring bit tool bit, improved the efficiency of construction.
2. Can be convenient for the residual core discharge from the chip groove, avoid the residual core to pile up inside the ring bit body to be favorable to improving and bore the cutting degree of depth.
Drawings
Figure 1 is a top view of the ring bit head of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 5 is a schematic structural diagram of embodiment 4 of the present invention.
Description of reference numerals: 1. a ring bit body; 11. a main thickness portion; 12. a secondary thickness portion; 2. a chip groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The utility model provides a thickness of main thickness portion 11 indicates main thickness portion 11 of ring bit body 1 at the ascending wall thickness of the radial side of ring bit body 1, and the thickness of inferior thickness portion 12 indicates inferior thickness portion 12 of ring bit body 1 at the ascending wall thickness of the radial side of ring bit body 1. The height of the ring bit body 1 refers to the height of the ring bit body 1 in the axial direction thereof. The outer diameter of the ring bit body 1 refers to the outer diameter of the wall of the ring bit body 1.
Referring to fig. 1, the utility model provides an annular drill bit tool bit, including annular drill bit body 1, annular drill bit body 1's wall portion divide into main thickness portion 11 and inferior thickness portion 12 along annular drill bit body 1 circumference, and main thickness portion 11's thickness is less than the thickness of inferior thickness portion 12.
In the embodiment of the present invention, the outer diameters of the main thickness portion 11 and the sub thickness portion 12 of the ring bit body 1 are the same, and the inner wall of the sub thickness portion 12 is closer to the center of the ring bit body 1 than the inner wall of the main thickness portion 11, i.e., on the inner wall of the ring bit body 1, a boss is formed at the inner wall of the sub thickness portion 12, so that the thickness of the main thickness portion 11 is smaller than the thickness of the sub thickness portion 12.
The utility model discloses an when using the ring bit tool bit to bore and cut various materials, the remaining material core under the cutting can break away from the raw materials and enter into inside the ring bit body 1, along with boring the propulsion of cutting the degree of depth, the material core forms the plug gradually, because the wall portion of ring bit body 1 has the thickness of two kinds of differences on radial direction, and then makes the plug diameter that forms thin, and the plug discharges more easily smoothly to improve the efficiency of construction.
In the embodiment of the present invention, the outer diameter of the ring bit body 1 is 8-50mm (e.g. 15mm, 25mm, 35mm, 45mm), the height of the ring bit body 1 is 8-12mm (e.g. 8mm, 9mm, 10mm, 11mm, 12mm), the thickness of the main thickness portion 11 is 1.5-5.0mm (e.g. 1.8mm, 2.5mm, 3.2mm, 3.9mm, 4.6mm), the thickness of the sub thickness portion 12 is 0.2-0.6mm (e.g. 0.25mm, 035mm, 0.45mm, 0.55mm) greater than that of the main thickness portion 11, according to finite element simulation and analysis, the main thickness portion 11 occupies 65-85% of the circumferential direction of the ring bit body 1, and the sub thickness portion 12 occupies 15-35% of the circumferential direction of the ring bit body 1.
In the utility model, the thickness difference between the main thickness part 11 and the secondary thickness part 12 is too large, which can cause the contact surface of the main thickness part 11 to be too large and the drilling efficiency to be reduced; and the core rod is too thin and easy to break due to too large thickness difference, so that the drilling is not smooth, the core rod is easy to core due to slight thinning, and the core rod is easy to break due to too thin thickness difference.
In the specific embodiment of the utility model, the top surface of the ring bit body 1 is provided with the chip groove 2 along the axial direction of the ring bit body 1, and the chip groove 2 is U-shaped or V-shaped; the plurality of chip grooves 2 are distributed along the circumferential direction of the annular drill bit body 1; the utility model discloses in through seting up a plurality of chip grooves 2, the remaining material core of can being convenient for is discharged from chip groove 2, avoids remaining material core all to pile up and gathers inside annular drill body 1, is favorable to improving and bores the degree of depth of cutting.
In the specific embodiment of the present invention, the top surface of the ring bit body 1 is a plane, a V-shape, an inner high slope or an outer high slope; the utility model discloses in, compare in designing into the plane with the top surface of annular drill bit body 1, skid easily when boring and cutting the trompil, design into V type, interior high to one side or outer high to one side all help boring and cut the trompil, the advantage is more obvious when especially boring hard material.
To sum up, the utility model provides an annular drill bit tool bit, it includes annular drill bit body 1, follow annular drill bit body 1's circumference divide into main thickness portion 11 and inferior thickness portion 12, through set up the thickness of two kinds of differences on annular drill bit body 1's radial direction, can make when using this annular drill bit tool bit to bore and cut various materials, under the prerequisite that does not influence the drilling performance, with the diameter attenuation of plug, more easily get the core, the utilization ratio of annular drill bit tool bit has been guaranteed, construction efficiency has been improved, meanwhile, because the setting of a plurality of chip grooves 2, make the residual core discharge from wherein, avoid the residual core to last piling up in annular drill bit body 1 is inside, be favorable to improving and bore the degree of depth, now combine concrete embodiment to explain.
Example 1
The ring bit tool bit shown in fig. 2 comprises a ring bit body 1, the outer diameter of which is 12mm, the height of which is 10mm, the ring bit body 1 is circumferentially divided into a main thickness part 11 and a sub thickness part 12, the main thickness part 11 is 2.5mm, the ratio of the thickness of the sub thickness part 12 in the circumferential direction of the ring bit body 1 is 65%, the thickness of the sub thickness part 12 in the circumferential direction of the ring bit body is 3.0mm, and the ratio of the thickness of the sub thickness part in the circumferential direction of the ring bit body 1 is 35%; the top surface of the annular drill bit body 1 is provided with chip grooves 2 along the axial direction of the annular drill bit body 1, the chip grooves 2 are U-shaped, the width of the chip grooves 2 is 3mm, the depth of the chip grooves is 6mm, in the embodiment 1, the number of the chip grooves 2 is 2, and the 2 chip grooves 2 are distributed along the circumferential direction of the annular drill bit body 1; the top surface of the ring bit body 1 is V-shaped.
Example 2
The ring bit tool bit shown in fig. 3 comprises a ring bit body 1, the outer diameter of which is 18mm, the height of which is 10mm, the ring bit body 1 is divided into a main thickness part 11 and a secondary thickness part 12 along the circumferential direction of the ring bit body 1, the thickness of the main thickness part 11 is 2.5mm, and the ratio of the main thickness part to the secondary thickness part in the circumferential direction of the ring bit body 1 is 75%; the thickness of the secondary thickness part 12 is 3.0mm, and the proportion of the secondary thickness part in the circumferential direction of the annular drill bit body 1 is 25 percent; the top surface of the annular drill bit body 1 is provided with chip grooves 2 along the axial direction of the annular drill bit body 1, the chip grooves 2 are V-shaped, the width of the chip grooves is 4mm, the depth of the chip grooves is 6mm, in the embodiment 2, the number of the chip grooves 2 is 3, and the 3 chip grooves 2 are distributed along the circumferential direction of the annular drill bit body 1; the top surface of the ring bit body 1 is internally highly inclined (i.e., the inner edge of the top surface is higher than the outer edge).
Example 3
The ring bit tool bit shown in fig. 4 comprises a ring bit body 1, the outer diameter of which is 24mm and the height of which is 10mm, and the ring bit body 1 is circumferentially divided into a main thickness part 11 and a sub thickness part 12, the main thickness part 11 is 2.5mm, the ratio of the thickness of the sub thickness part 12 in the circumferential direction of the ring bit body 1 is 80%, the thickness of the sub thickness part 12 in the circumferential direction of the ring bit body 1 is 3.0mm, and the ratio of the thickness of the sub thickness part in the circumferential direction of the ring bit body 1 is 20%; the top surface of the annular drill bit body 1 is provided with chip grooves 2 along the axial direction of the annular drill bit body 1, the chip grooves 2 are U-shaped, the width of the chip grooves is 4mm, the depth of the chip grooves is 6mm, in the embodiment 3, the number of the chip grooves 2 is 4, and the 4 chip grooves 2 are distributed along the circumferential direction of the annular drill bit body 1; the top surface of the ring bit body 1 is outwardly high-pitched (i.e., the outer edge of the top surface is higher than the inner edge).
Example 4
As shown in fig. 5, the ring bit tool bit comprises a ring bit body 1, the outer diameter of which is 32mm and the height of which is 10mm, the ring bit body 1 is circumferentially divided into a main thickness part 11 and a sub thickness part 12, the main thickness part 11 is 2.5mm, the ratio of the thickness of the sub thickness part 12 in the circumferential direction of the ring bit body 1 is 85%, the ratio of the thickness of the sub thickness part 12 in the circumferential direction of the ring bit body is 3.0mm, and the ratio of the thickness of the ring bit tool bit in the circumferential direction is 15%; the top surface of the annular drill bit body 1 is provided with chip grooves 2 along the axial direction of the annular drill bit body 1, the chip grooves 2 are V-shaped, the width of the chip grooves is 5mm, the depth of the chip grooves is 6mm, in the embodiment 4, the number of the chip grooves 2 is 4, and the 4 chip grooves 2 are distributed along the circumferential direction of the annular drill bit body 1; the top surface of the ring bit body 1 is a plane.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (9)
1. The utility model provides an annular drill tool bit, its characterized in that, includes the annular drill body, the wall portion of annular drill body is followed the circumference of annular drill body is divided into main thickness portion and time thickness portion, the thickness of main thickness portion is less than the thickness of time thickness portion.
2. The ring bit tool bit of claim 1, wherein the wall of the ring bit body has flutes formed thereon in the axial direction of the ring bit body, the flutes being U-shaped or V-shaped.
3. The ring bit cutter of claim 2, wherein said flutes are plural and are distributed circumferentially of said ring bit body.
4. The ring bit tool according to any one of claims 1 to 3, wherein the major thickness portion accounts for 65 to 85% in the circumferential direction of the ring bit body, and the minor thickness portion accounts for 15 to 35% in the circumferential direction of the ring bit body.
5. The ring bit cutter of claim 1, wherein the top surface of the ring bit body is flat, V-shaped, inwardly highly inclined, or outwardly highly inclined.
6. The ring bit tool bit of claim 1, wherein the inner wall of the secondary thickness portion is closer to the center of the ring bit body than the inner wall of the primary thickness portion.
7. The ring bit tool bit of claim 4, wherein the secondary thickness portion has a thickness that is 0.2-0.6mm greater than the thickness of the primary thickness portion.
8. A ring bit tool bit according to claim 1 or 7, wherein the thickness of the main thickness portion is 1.5-5.0 mm.
9. The ring bit cutter of claim 1, wherein the outer diameter of the ring bit body is 8-50mm and the height of the ring bit body is 8-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121308879.8U CN214982191U (en) | 2021-06-11 | 2021-06-11 | Annular drill bit tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121308879.8U CN214982191U (en) | 2021-06-11 | 2021-06-11 | Annular drill bit tool bit |
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| Publication Number | Publication Date |
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| CN214982191U true CN214982191U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121308879.8U Active CN214982191U (en) | 2021-06-11 | 2021-06-11 | Annular drill bit tool bit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734541A (en) * | 2022-06-13 | 2022-07-12 | 北京安泰钢研超硬材料制品有限责任公司 | Self-chip-removal brazing diamond thin-wall drill bit and preparation method thereof |
-
2021
- 2021-06-11 CN CN202121308879.8U patent/CN214982191U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734541A (en) * | 2022-06-13 | 2022-07-12 | 北京安泰钢研超硬材料制品有限责任公司 | Self-chip-removal brazing diamond thin-wall drill bit and preparation method thereof |
| CN114734541B (en) * | 2022-06-13 | 2022-09-23 | 北京安泰钢研超硬材料制品有限责任公司 | Self-chip-removing brazing diamond thin-wall drill bit and preparation method thereof |
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