CN202921976U - Quick drill with chip distributing groove and chip breaking groove - Google Patents
Quick drill with chip distributing groove and chip breaking groove Download PDFInfo
- Publication number
- CN202921976U CN202921976U CN 201220523251 CN201220523251U CN202921976U CN 202921976 U CN202921976 U CN 202921976U CN 201220523251 CN201220523251 CN 201220523251 CN 201220523251 U CN201220523251 U CN 201220523251U CN 202921976 U CN202921976 U CN 202921976U
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- CN
- China
- Prior art keywords
- chip
- blade
- drill
- quick
- drill bit
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- Expired - Fee Related
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Abstract
The utility model discloses a quick drill with a chip distributing groove and a chip breaking groove. The quick drill comprises a drill rod and a drill head blade portion, wherein the drill head blade portion comprises a blade portion guide strip. The quick drill is characterized in that the chip distributing groove and the chip breaking groove are arranged on the drill head blade portion, the depth of the chip breaking groove is 0.8mm, the width of the chip breaking groove is 2mm, the depth of the chip distributing groove is 1.0mm, the width of the chip distributing groove is 2.0mm, the length of the blade portion guide strip of a drill head is 1.5 times of the diameter of the drill head, the tail portion of the drill rod is in a step shape, and the diameter of a clamp handle of the tail portion is phi 35mm.
Description
Technical field
The utility model relates to a kind of quick drill, particularly a kind of quick drill with minute bits and chip-breaker.
Background technology
The method of traditional fluted drill processing φ 50 above large diameter, deep boreholes exists working (machining) efficiency low, the shortcoming that machining hole footpath linearity deviation is large, roughness value is large, need to carry out the machining accuracy index that boring processes to guarantee drawing requirement after boring, be not suitable for the highly-efficient processing of part in enormous quantities, the Boring machine processing diameter phi more than 50 large diameter deep hole also there is no at present corresponding high-efficiency cutting tool for processing.
The utility model content
Goal of the invention of the present utility model is to provide a kind of quick drill with minute bits and chip-breaker, realizes processing the aperture
Length reaches 25-30 doubly, can obtain good linearity and roughness, the Boring machine processing quick drill that working (machining) efficiency is high simultaneously.
In order to address the above problem, the utility model provides a kind of quick drill 1 with minute bits and chip-breaker, it comprises drilling rod 2 and drill bit blade 3, and wherein drill bit blade 3 has blade guidance tape 4, it is characterized in that, be provided with chip-breaker and chip dividing groove on described drill bit blade 3, the degree of depth of wherein said chip-breaker is 0.8mm, and width is 2mm, and the degree of depth of described chip dividing groove is 1.0mm, width is 2.0mm, and the length of the blade guidance tape 4 of described drill bit is 1.5 times of bit diameter; The drilling rod afterbody is notch cuttype, and the diameter of afterbody grip shank is
A kind of quick drill 1 with minute bits and chip-breaker, it comprises drilling rod 2 and drill bit blade 3, wherein drill bit blade 3 has blade guidance tape 4, it is characterized in that, be provided with chip dividing groove on described drill bit blade 3, the degree of depth of described chip dividing groove is 1.0mm, and width is 2.0mm, and the length of the blade guidance tape 4 of described drill bit is 1.5 times of bit diameter; The drilling rod afterbody is notch cuttype, and the diameter of afterbody grip shank is
Further, the length of the blade guidance tape 4 of described drill bit is 1.5 times of bit diameter.
Further, to be provided with width be the negative rib of leading of 0.8mm to cutting blade 3.
Further, the axial outside spacing of the axial centre line-spacing of described chip dividing groove is 13mm.
Further, the outer basil of described blade is that 20 °, inner cutting angle are 15 °.
Further, the outer edge clearance angle of described blade is set to two rear corner structures, and wherein primary clearance is 10 °, and front clearance is 20 °.
The quick drill with minute bits and chip-breaker that the utility model provides, it comprises the drill bit blade of tungsten carbide button's brill sheet and gib block, bore on sheet at the drill bit blade and be provided with chip-breaker and chip dividing groove, on cutting edge grinding negative lead distractedly, be used for strengthening the intensity of cutting edge, wherein the degree of depth of chip-breaker is 0.8mm, width is 2mm, the degree of depth of chip dividing groove is 1.0mm, and width is 2.0mm, and the length L of drill bit blade guidance tape is 1.5 times of bit diameter D.Because being arranged on of chip-breaker and chip dividing groove can obtain desirable " C " shape bits in process, thereby guarantee that smear metal is along the smooth and easy discharge of drilling rod V-arrangement dregs guiding groove; Drill bit blade guidance tape has guaranteed to add realizes good linearity man-hour.
The chip-breaker front portion leaves that 0.8mm is negative leads rib, has further strengthened the intensity of blade.
The axial outside spacing of the axial centre line-spacing of chip dividing groove is 10mm.
The outer basil of drill gun blade is 20 °, and inner cutting angle is 15 °.
The length L of drill bit blade guidance tape is 1.5 times of bit diameter D
The outer edge clearance angle of drill bit blade is set to two rear corner structures, makes cutting fluid can arrive blade, and guarantees the sharp of blade, and wherein primary clearance is 10 °, and front clearance is 20 °; It is 160 degree that drilling rod is considered the angle of the v-groove to be worth doing, in order to increase the chip removal space.
Description of drawings
Fig. 1 is the structural representation with quick drill of chip-breaker and chip dividing groove of the present utility model;
Fig. 2 is the drill bit blade structural representation with quick drill of chip-breaker and chip dividing groove of the present utility model;
Fig. 3 is the quick drill A-A cut-away view with chip-breaker and chip dividing groove of the present utility model;
Fig. 4 is quick drill B-B cut-away view of the present utility model.
Fig. 5 is the structural representation that only has the quick drill of chip dividing groove of the present utility model;
Fig. 6 is the drill bit blade structural representation that only has the quick drill of chip dividing groove of the present utility model;
Fig. 7 is the quick drill A-A cut-away view that only has chip dividing groove of the present utility model.
The specific embodiment
Below with reference to the accompanying drawings, the specific embodiment of the present utility model is described in detail.
As shown in Figure 1 and Figure 2, the utility model is with quick drill 1 tool drilling rod 2 and drill bit blade 3 and the shank 4 of minute bits and chip-breaker, wherein drill bit blade 3 has blade guidance tape 4, the length of blade guidance tape 4 is L, bit diameter is D, the length L of the blade guidance tape of the utility model quick drill is 1.5 times of bit diameter D, and this blade guidance tape has guaranteed that this quick drill has better processing linear man-hour adding.Wherein 6 is the alloy guiding, and 7 are alloy brill sheet.
As shown in Figure 2, the outer basil α 1 of quick drill blade is 20 °, and inner cutting angle α 2 is 10 °, and outer edge clearance angle is set to two rear corner structures, wherein primary clearance β 2 is that 10 ° and front clearance β 1 are 20 °, guarantee that so cutting fluid can arrive the cutting blade, as shown in Figure 3 and Figure 4, is provided with chip-breaker 4 and chip dividing groove 5 at the drill bit blade, wherein the degree of depth of chip-breaker is that D1 is 0.8mm, width L1 is 2mm, and it is the negative rib of leading of 0.8mm that width L3 is left in the chip-breaker front portion, to strengthen the intensity of blade; The degree of depth of chip dividing groove is that L2 is 1.0mm, and width is that D2 is 2.0mm, and the axial outside spacing of chip dividing groove axial centre line-spacing is that L4 is 13mm.Because being arranged on of chip dividing groove and chip-breaker can obtain desirable " C " shape bits in process, thereby guarantee that smear metal along the smooth and easy discharge of V-arrangement dregs guiding groove of drilling rod, is applicable to the processing of difficult-to-machine material.
As shown in Fig. 5,6,7, be the edging structure form of only having the chip dividing groove quick drill, be used for the processing of plain steel.
So, during quick drill of the present utility model processing large diameter, deep borehole chip removal smooth, guaranteed the sharp of cutting edge and strengthened the intensity of blade, realized the good linearity in processing aperture.
Claims (6)
1. one kind with minute bits and the quick drill (1) of chip-breaker, it comprises drilling rod (2) and drill bit blade (3), wherein drill bit blade (3) has blade guidance tape (4), it is characterized in that, be provided with chip-breaker and chip dividing groove on described drill bit blade (3), the degree of depth of wherein said chip-breaker is 0.8mm, width is 2mm, the degree of depth of described chip dividing groove is 1.0mm, and width is 2.0mm, and the length of the blade guidance tape (4) of described drill bit is 1.5 times of bit diameter; The drilling rod afterbody is notch cuttype, and the diameter of afterbody grip shank is 35mm.
2. one kind with minute bits and the quick drill (1) of chip-breaker, it comprises drilling rod (2) and drill bit blade (3), wherein drill bit blade (3) has blade guidance tape (4), it is characterized in that, be provided with chip dividing groove on described drill bit blade (3), the degree of depth of described chip dividing groove is 1.0mm, and width is 2.0mm, and the length of the blade guidance tape (4) of described drill bit is 1.5 times of bit diameter; The drilling rod afterbody is notch cuttype, and the diameter of afterbody grip shank is 35mm.
3. quick drill as claimed in claim 1 or 2, is characterized in that, it is the negative rib of leading of 0.8mm that cutting blade (3) is provided with width.
4. quick drill as claimed in claim 1 or 2, is characterized in that, the axial outside spacing of the axial centre line-spacing of described chip dividing groove is 13mm.
5. quick drill as claimed in claim 1 or 2, is characterized in that, the outer basil of described blade is that 20 °, inner cutting angle are 15 °.
6. quick drill as claimed in claim 1 or 2, is characterized in that, the outer edge clearance angle of described blade is set to two rear corner structures, and wherein primary clearance is 10 °, and front clearance is 20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220523251 CN202921976U (en) | 2012-10-12 | 2012-10-12 | Quick drill with chip distributing groove and chip breaking groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220523251 CN202921976U (en) | 2012-10-12 | 2012-10-12 | Quick drill with chip distributing groove and chip breaking groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202921976U true CN202921976U (en) | 2013-05-08 |
Family
ID=48211970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220523251 Expired - Fee Related CN202921976U (en) | 2012-10-12 | 2012-10-12 | Quick drill with chip distributing groove and chip breaking groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202921976U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191001A (en) * | 2014-08-01 | 2014-12-10 | 常州西利合金工具有限公司 | Drill |
| CN107900419A (en) * | 2017-11-06 | 2018-04-13 | 无锡鹰贝精密轴承有限公司 | High accurate hole processing cutter |
-
2012
- 2012-10-12 CN CN 201220523251 patent/CN202921976U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191001A (en) * | 2014-08-01 | 2014-12-10 | 常州西利合金工具有限公司 | Drill |
| CN107900419A (en) * | 2017-11-06 | 2018-04-13 | 无锡鹰贝精密轴承有限公司 | High accurate hole processing cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20161012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |