CN216541024U - Fastening type chamfer drill - Google Patents
Fastening type chamfer drill Download PDFInfo
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- CN216541024U CN216541024U CN202123427857.6U CN202123427857U CN216541024U CN 216541024 U CN216541024 U CN 216541024U CN 202123427857 U CN202123427857 U CN 202123427857U CN 216541024 U CN216541024 U CN 216541024U
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- fastening
- drill
- drill rod
- fastening sleeve
- pin holes
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Abstract
The utility model discloses a fastening type chamfering drill.A tapered drill point is arranged at the left end part of a drill rod, two chip removal grooves are arranged on the wall of the drill rod, a plurality of pin holes are arranged at the right end of the drill rod, and a fastening sleeve is sleeved at the right top end of the drill rod; the chip groove and the edge part of the rod wall of the drill rod form a cutting edge, and one end of the chip groove extends to the drill tip and is intersected with the drill tip; the number of the pin holes is multiple, and the pin holes are respectively formed in the right end of the drill rod and the fastening sleeve and correspond to each other; the upper end of the fastening sleeve is provided with a positioning locking block, the fastening sleeve is provided with a pin hole, and a fastening pin is inserted into the pin hole in the fastening sleeve; the cutter has the advantages of high cost performance, stable installation, attractive chamfer angle of a product, high quality and convenience and rapidness in installation and disassembly on chamfer angle equipment.
Description
Technical Field
The utility model relates to a chamfer drill accessory device, in particular to a fastening type chamfer drill.
Background
The drill bit is a cutting tool used by a general drill or drilling machine to cut a circular hole, and many workpieces need to be drilled in the industrial machining and machining processes. Wherein, some work pieces are except will drilling, still need to carry out the chamfer at the opening part of hole site, then just produce the chamfer and bore, the chamfer bores the intermediate position chamfer that generally is the drilling rod, set up chamfer and chamfer blade, present chamfer bores when installing on chamfering equipment, it is relatively poor to appear often that fixed inaccurate quality and the chamfer effect that leads to the product, and chamfer drill bit cutter cost is higher, chamfer drilling in-process, the blind hole receives the degree of depth restriction, the hole of the different degree of depth needs different drill bits, cause the drill bit variety to lead to the processing cost very high and the dismantlement of drill bit more difficult.
Disclosure of Invention
In view of the above-described drawbacks or deficiencies in the prior art, it is desirable to provide a fastening-type chamfer drill.
According to the technical solution provided by the embodiment of the present application,
a tight-fitting chamfer drill, a drill rod,
the left end part of the drill rod is provided with a conical drill tip, the wall of the drill rod is provided with two chip removal grooves, the right end of the drill rod is provided with a plurality of pin holes, and the right top end of the drill rod is sleeved with a fastening sleeve;
the chip groove and the edge part of the rod wall of the drill rod form a cutting edge, and one end of the chip groove extends to the drill tip and is intersected with the drill tip;
the number of the pin holes is multiple, and the pin holes are respectively formed in the right end of the drill rod and the fastening sleeve and correspond to each other;
the upper end of the fastening sleeve is provided with a positioning locking block, the fastening sleeve is provided with a pin hole, and a fastening pin is inserted into the pin hole in the fastening sleeve;
in the utility model, the right end of the drill rod is sleeved with a fastening sleeve, the connecting part is provided with a corresponding number of matched pin holes, and the drill rod and the fastening sleeve are fixedly connected by penetrating fastening pins.
In the utility model, two spiral chip grooves are formed, and one end of each chip groove opposite to the drill tip extends to the position close to the right end of the middle part of the drill rod.
According to the utility model, the cutting edges and the chip grooves form a standard twist drill structure, and the distribution of the cutting edges is consistent with that of the chip grooves.
In the utility model, the pin holes are circular pin holes, matched fastening pins are inserted and installed on the pin holes, and the number of the fastening pins is corresponding to that of the pin holes.
In the utility model, the fastening sleeve is in a regular hexagonal shape, a round through hole is arranged in the middle of the fastening sleeve and is sleeved at the right end of the drill rod, a pin hole is arranged at the left end of the fastening sleeve and is inserted with a fastening pin, and 4 square locking blocks are arranged on the right end of the fastening sleeve in a surrounding manner and are connected by welding
To sum up, the beneficial effect of this application: the cutter has higher cost performance, stable installation, beautiful chamfer and higher quality of products, and is convenient and quick to install and disassemble on chamfering equipment.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention.
Reference numbers in the figures: the drill rod-1, the chip groove-2, the cutting edge-3, the drill tip-4, the pin hole-5, the fastening pin-6, the fastening sleeve-7 and the locking positioning block-8.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, in the fastened chamfering drill, a tapered drill tip 4 is arranged at the left end part of a drill rod 1, two chip removal grooves 2 are arranged on the wall of the drill rod 1, a plurality of pin holes 5 are arranged at the right end of the drill rod 1, and a fastening sleeve 7 is sleeved at the right top end of the drill rod 1;
the chip groove 2 and the edge part of the rod wall of the drill rod 1 form a cutting edge 3, and one end of the chip groove 2 extends to the drill tip 4 and intersects with the drill tip;
the number of the pin holes 5 is multiple, and the pin holes 5 are respectively arranged at the right end of the drill rod 1 and the fastening sleeve 7 and correspond to each other;
the upper end of the fastening sleeve 7 is provided with a positioning locking block 8, the fastening sleeve 7 is provided with a pin hole 5, and a fastening pin 6 is inserted into the pin hole 5 on the fastening sleeve 7;
as shown in fig. 1 and 2, when a workpiece is chamfered by using a chamfering drill, firstly, the upper end of a drill rod 1 penetrates through a fastening sleeve 7, then a fastening pin 6 is inserted and installed on a corresponding pin hole 5 formed on the fastening sleeve 7 and the drill rod 1, the fastening sleeve 7 and the fastening sleeve 7 are fixedly connected by inserting the fastening pin 6 into the pin hole 5, then the drill rod 1 is installed on chamfering equipment through the fastening sleeve 7, when the drill rod 1 is installed on the chamfering equipment, the drill rod 1 is embedded and rotatably installed and connected with the chamfering equipment through a locking positioning block 8 on the fastening sleeve 7, so that the drill rod 1 is fixedly installed on the chamfering equipment to prevent looseness, after the installation is completed, the chamfering equipment is started, a drill tip 4 at the top of the drill rod 1 begins to chamfer the hole on the workpiece, chips cut by chamfering the drill tip 4 are discharged through a chip discharge groove 2 on the drill rod 1, and after the drill rod 1 enters the hole, the chip cutting edge 3 rotates to deburr the hole wall, the piece that the cutting got off also discharges through chip groove 2, the final chamfer work of accomplishing the hole on the work piece, it is to overhaul or change at drilling rod 1, through reversing torsion with adapter sleeve 7, take off adapter sleeve 7 from chamfering equipment, thereby change or overhaul through taking out the fastening pin 6 and taking off, it is convenient to have realized that the drill bit is dismantled according to the chapter, and the drill bit can lock fixedly, the pleasing to the eye of work piece of processing is of high quality.
The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the utility model according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (6)
1. Fastening type chamfer bores, characterized by:
a tapered drill point (4) is arranged at the left end part of the drill rod (1), two chip removal grooves (2) are formed in the wall of the drill rod (1), a plurality of pin holes (5) are formed in the right end of the drill rod (1), and a fastening sleeve (7) is sleeved at the right top end of the drill rod (1);
the chip groove (2) and the edge part of the rod wall of the drill rod (1) form a cutting edge (3), and one end of the chip groove (2) extends to the drill tip (4) and intersects with the drill tip;
the number of the pin holes (5) is multiple, and the pin holes (5) are respectively arranged at the right end of the drill rod (1) and the fastening sleeve (7) and correspond to each other;
the fixing device is characterized in that a positioning locking block (8) is installed at the upper end of the fastening sleeve (7), a pin hole (5) is formed in the fastening sleeve (7), and a fastening pin (6) is inserted into the pin hole (5) in the fastening sleeve (7).
2. The fastening type chamfer drill according to claim 1, wherein: the drill rod (1) is sleeved with a fastening sleeve (7), the connecting part is provided with a corresponding number of matched pin holes (5), and the drill rod (1) and the fastening sleeve (7) are connected in a penetrating and fastening mode through fastening pins (6).
3. The fastening type chamfer drill according to claim 1, wherein: the drill rod is characterized in that the two chip grooves (2) are spiral, and one ends of the chip grooves (2) opposite to the drill tip (4) extend to the position, close to the right end, of the middle of the drill rod (1).
4. The fastening type chamfer drill according to claim 1, wherein: cutting edge (3) and chip groove (2) form into standard fluted drill structure, cutting edge (3) distribute and are unanimous with chip groove (2).
5. The fastening type chamfer drill according to claim 1, wherein: the pin holes (5) are round pin holes, the pin holes (5) are inserted with matched fastening pins (6), and the fastening pins (6) are cylindrical pins with the number corresponding to that of the pin holes.
6. The fastening type chamfer drill according to claim 1, wherein: the drill rod fastening device is characterized in that the fastening sleeve (7) is in a regular hexagonal shape, a round through hole is formed in the middle of the fastening sleeve (7) and is sleeved on the right end of the drill rod (1), a fastening pin (6) is inserted into the round through hole (5) formed in the left end of the fastening sleeve (7), and 4 square positioning locking blocks (8) are arranged on the right end of the fastening sleeve (7) in a surrounding mode and are connected through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123427857.6U CN216541024U (en) | 2021-12-31 | 2021-12-31 | Fastening type chamfer drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123427857.6U CN216541024U (en) | 2021-12-31 | 2021-12-31 | Fastening type chamfer drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216541024U true CN216541024U (en) | 2022-05-17 |
Family
ID=81560303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123427857.6U Active CN216541024U (en) | 2021-12-31 | 2021-12-31 | Fastening type chamfer drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216541024U (en) |
-
2021
- 2021-12-31 CN CN202123427857.6U patent/CN216541024U/en active Active
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