CN218265791U - High-efficient interchangeable head three-edge drill bit - Google Patents
High-efficient interchangeable head three-edge drill bit Download PDFInfo
- Publication number
- CN218265791U CN218265791U CN202222702611.3U CN202222702611U CN218265791U CN 218265791 U CN218265791 U CN 218265791U CN 202222702611 U CN202222702611 U CN 202222702611U CN 218265791 U CN218265791 U CN 218265791U
- Authority
- CN
- China
- Prior art keywords
- drill
- main
- point
- drill bit
- left end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a high-efficient three-edged drill bit of interchangeable head, including main drill stem, main drill stem right flank to left end face evenly are provided with three drill bit, three all open between the drill bit big guiding gutter, three the drill bit right-hand member personally submits the taper angle structure that the tip is outwards, main drill stem left side is opened there is the external screw thread, main drill stem left end runs through there is mounting hole to main drill stem right-hand member, the mounting hole right part is the bell mouth, and the tip is installed in the bell mouth of mounting hole right part, the mounting hole is located the tip left end and is installed the back shaft, the main drill stem left end outside is fixed with the locating cover through the external screw thread, the back shaft left end is decided in the locating cover inboard; the drill point is set to be a replaceable structure by the three-edge drill bit, the drill point is firstly drilled in a guiding mode during drilling through the drill point, then the drill point is drilled and reamed through the drill edge, direct abrasion to the drill edge is reduced, the drill point with large abrasion loss is replaceable, and the service life of the drill edge is prolonged.
Description
Technical Field
The utility model relates to a drilling cutter technical field specifically is a high-efficient three-edge drill bit of interchangeable head.
Background
The drill bit is also called as a drill bit, is frequently used in geological survey, stone breaking and machining, and particularly is matched with a numerical control machining center or a drilling machine to drill a part in the machining, so that a standard aperture is obtained according to the outer diameter of the drill bit. The drill bit is a main tool for breaking rock in the drilling process, the well bores are formed by breaking rock through the drill bit, one well bore is good or bad, the used time is related to the mutual matching degree between the drill bit and the stratum besides the characteristics of the rock of the drilled stratum and the performance of the drill bit, and the reasonable type selection of the drill bit plays an important role in improving the drilling speed and reducing the comprehensive drilling cost.
The existing three-edge drill bit has poor strength, the drill tip directly contacts a crushed rock stratum or a workpiece to be processed, when the three-edge drill bit is used for a long time, the drill tip is easy to break, the guide performance of the three-edge drill bit is poor, the abrasion of the drill edge is large, the three-edge drill bit is damaged very quickly, when the drill tip is damaged, the whole three-edge drill bit can only be scrapped, the waste is caused, and the service life of the three-edge drill bit is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that proposes in the above-mentioned technical background, the utility model provides a following technical scheme:
the utility model provides a high-efficient three-bladed drill bit of interchangeable head, includes the main drillstock, main drillstock right flank evenly is provided with three drill bit, and is three all opened big guiding gutter between the drill bit, and is three the tip right-hand member personally submits the taper angle structure that the tip is outwards, main drillstock left surface is opened there is the external screw thread, the main drillstock left end runs through mounting hole to main drillstock right-hand member, the mounting hole right part is the bell mouth, and the big end is inwards, and the tip is outwards, install the drill point in the mounting hole right part bell mouth, it installs the back shaft to lie in the drill point left end in the mounting hole, the main drillstock left end outside is fixed with the locating cover through the external screw thread, the back shaft left end is decided in the locating cover inboard.
The preferred, the drill point includes installation department and drilling point, the setting of drilling point is at installation department right-hand member integrated into one piece, installation department cooperation mounting hole right part is the toper structure, the drilling point stretches out, and is three from three drill edge department the laminating of drill edge inside wall and installation department outer wall.
Preferably, the side surface of the drilling tip is uniformly provided with a plurality of small guide grooves which are communicated with the large guide groove.
Preferably, the outer side of the mounting part is coated with an anti-slip coating.
Preferably, the axis of the positioning cover, the axis of the supporting shaft and the axis of the drill tip are collinear with the rotation center line of the main drill handle.
Compared with the prior art, the beneficial effects of the utility model are as follows: the drill point is set to be a replaceable structure by the three-edge drill bit, the drill point is firstly drilled in a guiding mode during drilling through the drill point, then the drill point is drilled and reamed through the drill edge, direct abrasion to the drill edge is reduced, the drill point with large abrasion loss is replaceable, and the service life of the drill edge is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a schematic structural view of a main drill shank according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of a drill tip according to an embodiment of the present invention;
the embodiment of the utility model provides a mainly contain following element symbol:
the drill comprises a main drill handle-1, a drill edge-101, a large guide groove-102, external threads-103, a mounting hole-110, a drill tip-2, a mounting part-201, an anti-skid coating-202, a drill tip-203, a small guide groove-204, a support shaft-3 and a positioning cover-4.
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 efforts all belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the high-efficiency three-blade drill with the replaceable bit comprises a main drill shank 1, three drill blades 101 are uniformly arranged from the right side surface to the left end surface of the main drill shank 1, large guide grooves 102 are formed among the three drill blades 101, the right end surfaces of the three drill blades 101 are of taper angle structures with small ends facing outwards, external threads 103 are formed in the left side surface of the main drill shank 1, a mounting hole 110 penetrates through the left end of the main drill shank 1 to the right end of the main drill shank 1, the right portion of the mounting hole 110 is a tapered hole, the large end faces inwards, the small end faces outwards, a drill tip 2 is mounted in the tapered hole in the right portion of the mounting hole 110, a support shaft 3 is mounted at the left end of the drill tip 2 in the mounting hole 110, a positioning cover 4 is fixed on the outer side of the left end of the main drill shank 1 through the external threads 103, and the left end of the support shaft 3 is fixed on the inner side of the positioning cover 4.
But this three-bladed drill bit sets drill point 2 to the substitution structure, and the direction drilling when earlier drilling through drill point 2, drilling is realized in the drilling reaming of rethread drill point 101, reduces the direct wearing and tearing to drill point 101, makes drill point 2 that the wearing and tearing volume is big realize the replaceability, improves drill point 101's life.
As shown in fig. 4, the drill tip 2 includes an installation portion 201 and a drill tip 203, the drill tip 203 is arranged at the right end of the installation portion 201 and is integrally formed, the installation portion 201 is matched with the right portion of the installation hole 110 to form a conical structure, the drill tip 203 extends out of the three drill edges 101, the inner side walls of the drill edges 101 are attached to the outer wall of the installation portion 201, and chips during drilling are prevented from entering the installation hole 110 and affecting installation accuracy.
The side surface of the drilling tip 203 is uniformly provided with a plurality of small guide grooves 204, and the small guide grooves 204 are communicated with the large guide groove 102, so that scraps generated during drilling can be discharged through the small guide grooves 204 and the large guide groove 102, and smooth drilling is kept.
The axial lead of the positioning cover 4, the axial lead of the supporting shaft 3 and the axial lead of the drill point 2 are all collinear with the rotation central line of the main drill handle 1.
When the three-edge drill bit is used, on the premise of no dust and no scraps in the mounting hole 110, the drill tip 2 is arranged at the end of the drill tip 101 along the mounting hole 110, the drill tip 203 is manually rotated, the small diversion trench 204 is shifted to be aligned with the large diversion trench 102, the support shaft 3 is arranged in the mounting hole 110 to jack the drill tip 2 tightly, the left end of the support shaft 3 is inserted into the inner cavity of the positioning cover 4, the positioning cover 4 is screwed tightly by threads to enable the support shaft 3 to be completely ejected out of the drill tip 203, namely the three-edge drill bit is arranged on the main shaft after the three-edge drill bit is completely installed; when the drill bit is detached and replaced, the positioning cover 4 is loosened, the supporting shaft 3 is taken out, the worn drill bit 2 can be ejected out of the mounting hole 110 by force at the plane, and the new drill bit 2 is mounted after the worn drill bit 2 is poured out.
The standard parts used in the application document can be purchased from the market, and can be customized according to the description and the description of the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, and machines, parts and equipment adopt conventional models in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high-efficient interchangeable head three-edge drill bit, includes the main drill handle, main drill handle right flank to left end face evenly are provided with three drill bit, three all open big guiding gutter between the drill bit, its characterized in that: it is three the tip structure that the tip is personally submitted to the drill bit right-hand member, it has the external screw thread to open main drillstock left surface, main drillstock left end runs through mounting hole to main drillstock right-hand member, the mounting hole right part is the bell mouth, and the main aspects is inside, and the tip is outwards, install the drill point in the mounting hole right part bell mouth, the back shaft is installed to the drill point left end that lies in the mounting hole, the main drillstock left end outside is fixed with the location lid through the external screw thread, the back shaft left end is decided and is covered the inboard in the location.
2. A high efficiency, interchangeable head, three-bladed drill according to claim 1, characterized by: the drill point includes installation department and drilling point, the setting of drilling point is at installation department right-hand member integrated into one piece, installation department cooperation mounting hole right part is the toper structure, the drilling point stretches out, and is three from three drill point the laminating of drill point inside wall and installation department outer wall.
3. A high efficiency, interchangeable head, three-bladed drill according to claim 2, characterized by: and a plurality of small diversion grooves are uniformly formed in the side surface of the drilling sharp point, and are communicated with the large diversion groove.
4. A high efficiency, interchangeable head, three-bladed drill according to claim 3, characterized by: the outer side of the mounting part is coated with anti-skid paint.
5. The high efficiency, interchangeable head, three-bladed drill bit according to claim 4, wherein: the axial lead of the positioning cover, the axial lead of the supporting shaft and the axial lead of the drill tip are collinear with the rotating central line of the main drill handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222702611.3U CN218265791U (en) | 2022-10-14 | 2022-10-14 | High-efficient interchangeable head three-edge drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222702611.3U CN218265791U (en) | 2022-10-14 | 2022-10-14 | High-efficient interchangeable head three-edge drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218265791U true CN218265791U (en) | 2023-01-10 |
Family
ID=84752488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222702611.3U Active CN218265791U (en) | 2022-10-14 | 2022-10-14 | High-efficient interchangeable head three-edge drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218265791U (en) |
-
2022
- 2022-10-14 CN CN202222702611.3U patent/CN218265791U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213729547U (en) | Deep hole processing drilling reamer | |
| CN218265791U (en) | High-efficient interchangeable head three-edge drill bit | |
| CN108637606B (en) | Shaft processing technology with deep lumen pore | |
| CN204075323U (en) | Composite drill bit | |
| CN212704583U (en) | Combined tool for drilling back-reaming | |
| CN214640470U (en) | Cutting tool | |
| CN209902318U (en) | Aluminum alloy hub bolt hole processing drill bit | |
| JP4468012B2 (en) | Rotating drill | |
| CN210046095U (en) | Machine clamping blade type adjustable reamer | |
| CN209598274U (en) | A kind of deep hole machining bta deep hole drilling | |
| CN113523367B (en) | High-strength tungsten steel drill convenient for chip removal for deep processing of vehicle | |
| CN207577574U (en) | A kind of improved separator plates cover process equipment | |
| CN111390247A (en) | Combined stepped drill bit | |
| CN207119828U (en) | A kind of deep hole drill | |
| CN213379645U (en) | Reamer with replaceable reamer blade for drilling machine | |
| CN217252890U (en) | Multi-size combined cutting boring cutter | |
| CN217666652U (en) | Alloy drill bit capable of being accurately positioned and butted and provided with connecting mechanism | |
| CN218903719U (en) | Quick-change U-shaped drill | |
| CN219188750U (en) | Deep hole twist drill | |
| CN217775668U (en) | Cemented carbide countersink drill | |
| CN108555325A (en) | A kind of boring cutter of reversed bore hole | |
| CN217529316U (en) | Drill bit of high-efficient processing | |
| CN210755576U (en) | Novel spiral edge reamer | |
| CN215145290U (en) | Saw blade convenient to install | |
| CN217832028U (en) | Crisscross four sword milling cutters of cutting edge curve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |