CN208374294U - Easy-to-mount Carbide Step is bored - Google Patents
Easy-to-mount Carbide Step is bored Download PDFInfo
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- CN208374294U CN208374294U CN201820891293.0U CN201820891293U CN208374294U CN 208374294 U CN208374294 U CN 208374294U CN 201820891293 U CN201820891293 U CN 201820891293U CN 208374294 U CN208374294 U CN 208374294U
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- drilling rod
- drill body
- socket
- drill bit
- mount
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Abstract
The utility model discloses a kind of easy-to-mount Carbide Steps to bore, including being socketed drill body, drilling rod is provided on the socket drill body, the drilling rod runs through socket drill body and extends to the lower section of socket drill body, the surface of the drilling rod and be located at socket drill body below be provided with fixed disk, the bottom end of the drilling rod, which opens up head, drill bit mounting hole, the internal activity of the drill bit mounting hole is connected with drill bit, the drill bit and drilling rod are located by connecting by fastening bolt, fixed column is symmetrically fixedly connected on surface at the top of the fixed disk, the top of the fixed column and be located at socket drill body bottom surface offer the annular groove being used cooperatively with fixed column.The easy-to-mount Carbide Step is bored, and used material uses hard alloy, and the hardness of step drill greatly improves, and work pieces process is quick, and machining accuracy is high, is made by the way that fastening bolt is arranged convenient for dismounting to drill bit, thus convenient to use.
Description
Technical field
The utility model belongs to step drill technical field, and in particular to a kind of easy-to-mount Carbide Step brill.
Background technique
At present in carrying out machining production, it is often necessary to dig a plurality of types of stepped hole class knots on workpiece to be added
Structure is currently mostly to carry out drilling processing using Step drill, but due to the material of drill bit to meet the needs of such processing
Matter is not all right to be easy to damage drill bit so that encountering hard article when in use, so that processing efficiency reduces, and
And machining accuracy is not high.
Utility model content
The purpose of this utility model is to provide a kind of easy-to-mount Carbide Steps to bore, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of easy-to-mount Carbide Step
It bores, including socket drill body, is provided with drilling rod on the socket drill body, the drilling rod is through socket drill body and extends to socket drill body
Lower section, the surface of the drilling rod and be located at socket drill body below be provided with fixed disk, the bottom end of the drilling rod, which opens up head, to be had
Drill bit mounting hole, the internal activity of the drill bit mounting hole are connected with drill bit, the drill bit and drilling rod and are carried out by fastening bolt
It is located by connecting, is symmetrically fixedly connected with fixed column on the surface at the top of the fixed disk, the top of the fixed column and be located at set
The bottom surface for connecing drill body offers the annular groove being used cooperatively with fixed column.
Preferably, it is fixedly connected with buffer spring on the top surface inside the annular groove and above fixed column,
The bottom end of the buffer spring is fixedly connected with buffer board.
Preferably, the internal screw thread being used cooperatively with drilling rod, and drilling rod and socket are provided on the inner wall of the socket drill body
It is flexibly connected between drill body.
The technical effect and advantage of the utility model: the easy-to-mount Carbide Step is bored, and used material is adopted
It is greatly improved with the hardness of hard alloy, step drill, work pieces process is quick, and machining accuracy is high, is made by the way that fastening bolt is arranged
Convenient for being dismounted to drill bit, thus convenient to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is structure enlargement diagram at the A of the utility model.
In figure: 1 socket drill body, 2 drilling rods, 3 fixed disks, 4 drill bit mounting holes, 5 drill bits, 6 fastening bolts, 7 fixed columns, 8 are delayed
Punching, 9 annular grooves, 10 buffer springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of easy-to-mount Carbide Step as shown in Figs. 1-2 and bores, including socket is bored
Body 1, is provided with drilling rod 2 on the socket drill body 1, and the drilling rod 2 is through socket drill body 1 and extends to the lower section of socket drill body 1,
The surface of the drilling rod 2 and be located at socket drill body 1 lower section be provided with fixed disk 3, the bottom end of the drilling rod 2, which opens up head, drill bit
Mounting hole 4, the internal activity of the drill bit mounting hole 4 are connected with drill bit 5, the drill bit 5 and drilling rod 2 by fastening bolt 6 into
Row is located by connecting, and is symmetrically fixedly connected with fixed column 7, the top and position of the fixed column 7 on the surface at 3 top of fixed disk
The annular groove 9 being used cooperatively with fixed column 7 is offered in the bottom surface of socket drill body 1.
Specifically, on top surface inside the annular groove 9 and being located at the top of fixed column 7 and being fixedly connected with buffer spring
10, the bottom end of the buffer spring 10 is fixedly connected with buffer board 8.
Specifically, being provided with the internal screw thread being used cooperatively with drilling rod 2 on the inner wall of the socket drill body 1, and drilling rod 2 and set
It connects and is flexibly connected between drill body 1.
The easy-to-mount Carbide Step is bored, when in use, by the way that drilling rod 2 and socket drill body 1 are carried out the peace that is spirally connected
Drill bit 5, is then mounted on inside drill bit mounting hole 4, then drill bit 5 is fixed using fastening bolt 6 by dress, thus convenient
Carry out using.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of easy-to-mount Carbide Step is bored, including socket drill body (1), it is characterised in that: the socket drill body (1)
On be provided with drilling rod (2), the drilling rod (2) through socket drill body (1) and extend to socket drill body (1) lower section, the drilling rod
(2) surface and being located at below socket drill body (1) is provided with fixed disk (3), and the bottom end of the drilling rod (2), which opens up head, drill bit
The internal activity of mounting hole (4), the drill bit mounting hole (4) is connected with drill bit (5), and the drill bit (5) and drilling rod (2) pass through tightly
Fixing bolt (6) is located by connecting, and is symmetrically fixedly connected with fixed column (7) on the surface at the top of the fixed disk (3), described solid
The top of fixed column (7) and the annular groove (9) that the bottom surface for being located at socket drill body (1) offers and fixed column (7) are used cooperatively.
2. a kind of easy-to-mount Carbide Step according to claim 1 is bored, it is characterised in that: the annular groove
(9) it is fixedly connected with buffer spring (10) on internal top surface and above fixed column (7), the buffer spring (10)
Bottom end is fixedly connected with buffer board (8).
3. a kind of easy-to-mount Carbide Step according to claim 1 is bored, it is characterised in that: the socket drill body
(1) internal screw thread being used cooperatively with drilling rod (2) is provided on inner wall, and activity connects between drilling rod (2) and socket drill body (1)
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820891293.0U CN208374294U (en) | 2018-06-11 | 2018-06-11 | Easy-to-mount Carbide Step is bored |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820891293.0U CN208374294U (en) | 2018-06-11 | 2018-06-11 | Easy-to-mount Carbide Step is bored |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208374294U true CN208374294U (en) | 2019-01-15 |
Family
ID=64966354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820891293.0U Active CN208374294U (en) | 2018-06-11 | 2018-06-11 | Easy-to-mount Carbide Step is bored |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208374294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590117A (en) * | 2019-06-28 | 2020-08-28 | 王文昭 | Drill bit |
-
2018
- 2018-06-11 CN CN201820891293.0U patent/CN208374294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590117A (en) * | 2019-06-28 | 2020-08-28 | 王文昭 | Drill bit |
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