CN206747651U - Ejector drill - Google Patents
Ejector drill Download PDFInfo
- Publication number
- CN206747651U CN206747651U CN201720606029.3U CN201720606029U CN206747651U CN 206747651 U CN206747651 U CN 206747651U CN 201720606029 U CN201720606029 U CN 201720606029U CN 206747651 U CN206747651 U CN 206747651U
- Authority
- CN
- China
- Prior art keywords
- cutter head
- blade
- drill body
- interior
- drill
- 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.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Abstract
A kind of ejector drill, including drill body, cutter head, fastening bolt, it is characterised in that drill body is column structure, is provided with cavity along axis inside it；The lateral surface of the drill body other end installs two pieces of guide pads in the axial direction, in the groove for the lateral surface that three interior cutter head, middle cutter head, outer cutter head cutter heads are fixed on drill body by fastening bolt, interior cutter head, middle cutter head, the blade on outer cutter head is welded on to be distributed along radial direction, the blade of interior cutter head is with drill body radially into 15 ° of degree angles, the blade of outer cutter head is with drill body radially into 15 ° of angles, the blade of interior cutter head intersects with axis, and the blade both ends radial position of middle cutter head is between the blade distal end of interior cutter head and the blade near-end of outer cutter head.Ejector drill of the present utility model, due to being equipped with specific requirement using interior cutter head, middle cutter head, three cutter heads of outer cutter head, and its installation position, therefore to processing diameter up to 70 mm holes lathe spindle when, chip removal is unobstructed, operating efficiency is high, and use is safer.
Description
Technical field
Mechanical drill is the utility model is related to, especially a kind of ejector drill.
Background technology
During the main shaft part production and processing of lathe, the white steel knife of fluted drill band is typically used for the mm of diameter 70 hole machined
The method of reaming, time-consuming, operating efficiency is too low.And cylindrical drill processing technology is used, cutter is expensive, and cutter occurs
Between necrosis within the workpiece, do not take not come out, cause whole main shaft to scrap, its reason is mainly that chip removal is not smooth, when cutting-tool angle is cut
Iron filings requirement into shape of cracking rice, could chip removal, so cutter will wear into negative rake, cutting ability is very poor, and cooling in addition is only sprayed
Waterpower, there is no suction performance, if the stifled pressure plus water spray of iron filings one is more stifled more extremely to cause tool damage.
The content of the invention
The purpose of this utility model is just to provide a kind of structure novelty, the spray that chip removal is unobstructed, operating efficiency is high, security is good
Inhale drill bit.
Ejector drill of the present utility model, including drill body, cutter head, fastening bolt, it is characterised in that drill body is column knot
Structure, cavity is provided with along axis inside it, drill body one end lateral surface is provided with external screw thread, the fixation for drill body and fixture；Drill body is another
The lateral surface of one end installs two pieces of guide pads in the axial direction, and three interior cutter head, middle cutter head, outer cutter head cutter heads pass through fastening bolt
It is fixed in the groove of the lateral surface of drill body, is welded on interior cutter head, middle cutter head, the blade on outer cutter head along radial direction point
Cloth, the blade of interior cutter head is with drill body radially into 15 ° of degree angles, and the blade and drill body of outer cutter head are radially into -15 ° of angles, interior cutter head
Blade intersect with axis, the blade that the blade both ends radial position of middle cutter head is located at the blade distal end and outer cutter head of interior cutter head is near
Between end；Distance of the blade distal end of outer cutter head away from axis is more than distance of the guide pad away from axis.
Ejector drill of the present utility model, due to using interior cutter head, middle cutter head, three cutter heads of outer cutter head, and its installation position
Be equipped with specific requirement, thus to processing diameter up to 70 mm holes lathe spindle when, chip removal is unobstructed, operating efficiency is high, uses
It is safer.
Brief description of the drawings
Fig. 1 is outline drawing of the present utility model；
Fig. 2 is Fig. 1 side schematic view；
1st, drill body, 2, cavity, 3, fastening bolt, 4, guide pad, 5, middle cutter head, 6, interior cutter head, 7, outer cutter head, 8, outer spiral shell
Line.
Embodiment
A kind of ejector drill, including drill body 1, cutter head, fastening bolt 3, it is characterised in that drill body 1 is column structure, in it
Portion is provided with cavity 2 along axis, and one end lateral surface of drill body 1 is provided with external screw thread 8；The lateral surface of the other end of drill body 1 is pacified in the axial direction
Two pieces of guide pads 4 are filled, 7 three interior cutter head 6, middle cutter head 5, outer cutter head cutter heads are fixed on the lateral surface of drill body 1 by fastening bolt 3
In groove, be welded on interior cutter head 6, middle cutter head 5, the blade on outer cutter head 7 and be distributed along radial direction, the blade of interior cutter head 6 with
The radial direction of drill body 1 is into 15 ° of degree angles, and the blade of outer cutter head 7 and the radial direction of drill body 1 are into -15 ° of angles, the blade and axis of interior cutter head 6
Intersecting, the blade both ends radial position of middle cutter head 5 is between the blade distal end of interior cutter head 6 and the blade near-end of outer cutter head 7；Outside
Distance of the blade distal end of cutter head 7 away from axis is more than distance of the guide pad 4 away from axis.
Claims (2)
1. a kind of ejector drill, including drill body（1）, cutter head, fastening bolt（3）, it is characterised in that：Drill body（1）For column structure,
Inside it cavity is provided with along axis（2）, drill body（1）One end lateral surface is provided with external screw thread（8）；Drill body（1）The lateral surface of the other end
Two pieces of guide pads are installed in the axial direction（4）, interior cutter head（6）, middle cutter head（5）, outer cutter head（7）Three cutter heads pass through fastening bolt
（3）It is fixed on drill body（1）In the groove of lateral surface, interior cutter head is welded on（6）, middle cutter head（5）, outer cutter head（7）On blade it is equal
It is distributed along radial direction, interior cutter head（6）Blade and drill body（1）Radially into 15 ° of degree angles, outer cutter head（7）Blade and drill body
（1）Radially into -15 ° of angles, interior cutter head（6）Blade intersect with axis, middle cutter head（5）The radial position of blade both ends be located at
Interior cutter head（6）Blade distal end and outer cutter head（7）Blade near-end between.
2. ejector drill according to claim 1, it is characterised in that：Outer cutter head（7）Distance of the blade distal end away from axis
More than guide pad（4）Distance away from axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606029.3U CN206747651U (en) | 2017-05-27 | 2017-05-27 | Ejector drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606029.3U CN206747651U (en) | 2017-05-27 | 2017-05-27 | Ejector drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206747651U true CN206747651U (en) | 2017-12-15 |
Family
ID=60621122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720606029.3U Expired - Fee Related CN206747651U (en) | 2017-05-27 | 2017-05-27 | Ejector drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206747651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788252A (en) * | 2018-06-21 | 2018-11-13 | 上海电机学院 | A kind of processing method of drilling tool and its looping pit |
-
2017
- 2017-05-27 CN CN201720606029.3U patent/CN206747651U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788252A (en) * | 2018-06-21 | 2018-11-13 | 上海电机学院 | A kind of processing method of drilling tool and its looping pit |
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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 |
Granted publication date: 20171215 |