CN210615234U - Chip breaking thin core drill point - Google Patents
Chip breaking thin core drill point Download PDFInfo
- Publication number
- CN210615234U CN210615234U CN201921306034.8U CN201921306034U CN210615234U CN 210615234 U CN210615234 U CN 210615234U CN 201921306034 U CN201921306034 U CN 201921306034U CN 210615234 U CN210615234 U CN 210615234U
- Authority
- CN
- China
- Prior art keywords
- cutting edge
- core
- spiral cutting
- rotary needle
- main shaft
- 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
- 239000000956 alloy Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052802 copper Inorganic materials 0.000 abstract description 8
- 239000010949 copper Substances 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 abstract description 8
- 238000004804 winding Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
Images
Landscapes
- Drilling Tools (AREA)
Abstract
The utility model discloses a thin core drill point of chip breaking, which comprises a main shaft, the one end of main shaft is provided with fried dough twist rotary needle main part, fried dough twist rotary needle main part is including rotary needle core, spiral cutting edge, No. two spiral cutting edges, the one end of rotary needle core, spiral cutting edge, No. two spiral cutting edges is provided with the point angle of boring, the inside of rotary needle core is provided with the chip breaker groove No. one, the below that the inside of rotary needle core is close to a chip breaker groove is provided with the chip breaker groove No. two. A thin core drill point of chip breaking, play the chip breaking effect when boring into the copper through a chip breaking groove, No. two chip breaking grooves of seting up, reduce the wire winding problem, prevent that the copper wire winding from leading to unable normal work on the surface of twist rotary needle main part, it is more convenient to use, resistance when can reducing drilling through the thickness attenuate with the rotary needle core, reduce generating heat of drill point, and reduced the load of main shaft, the life of extension main shaft.
Description
Technical Field
The utility model relates to a change the needle field, in particular to thin core drill point of chip breaking.
Background
Twist drills are tools for drilling round holes of workpieces by rotary cutting of the twist drills relative to a fixed axis, the twist drills are named as twist drills because chip grooves are spiral, a spiral groove is provided with two grooves, three grooves or more grooves, the two grooves are most common, the twist drills can be clamped on a manual or electric handheld drilling tool or a drilling machine, a milling machine, a lathe or even a machining center core for use, a drill bit is made of high-speed tool steel or hard alloy generally, when a large drill drills holes in the using process of the twist drills, due to the fact that the cutting speed is low, a tool face is wide, the phenomena of serious wire winding, serious heating, quick loss of a main shaft and the like can be easily caused when a thick copper plate is machined, and the chip breaking thin-core drill needle is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a chip breaking thin core drill point can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a thin core drill point of chip breaking, includes the main shaft, the one end of main shaft is provided with fried dough twist commentaries on classics needle main part, fried dough twist commentaries on classics needle main part is including commentaries on classics needle core, spiral cutting edge, No. two spiral cutting edges, the one end of commentaries on classics needle core, spiral cutting edge, No. two spiral cutting edges is provided with the drill point angle, the inside of commentaries on classics needle core is provided with the chip breaker groove No. one, the below that the inside of commentaries on classics needle core is close to a chip breaker groove is provided with.
Preferably, the outer surface of one end of the twist rotary needle main body is fixedly connected with the outer surface of one end of the main shaft, the main shaft is made of stainless steel materials, and the diameters of the tangent planes of the connection part of the main shaft and the twist rotary needle main body are the same.
Preferably, the first spiral cutting edge and the second spiral cutting edge are both arranged on the outer side of the rotary needle core, the outer surface of the first spiral cutting edge is fixedly connected with the outer surface of the rotary needle core, and the outer surface of the second spiral cutting edge is fixedly connected with the outer surface of the rotary needle core.
Preferably, the outer surface of one end of the drill point angle is fixedly connected with the outer surfaces of the rotary needle core, the first spiral cutting edge and the second spiral cutting edge, and the drill point angle is made of hard alloy materials.
Preferably, the first chip breaker groove is fixedly connected with the rotary needle core, the second chip breaker groove is fixedly connected with the rotary needle core, the first chip breaker groove and the second chip breaker groove are axisymmetric with respect to the central core of the rotary needle core, and the angle of the drill point angle is 150 degrees.
Preferably, the angles between the first spiral cutting edge, the second spiral cutting edge and the rotary needle core are all 15 degrees, the section of the rotary needle core is trapezoidal, the thickness of one side, close to the drill point angle, of one end of the rotary needle core is 0.378 mm, and the rear end of one side, close to the main shaft, of the other end of the rotary needle core is 0.545 mm.
Compared with the prior art, the utility model discloses following beneficial effect has: this chip breaking thin core drill point, through the chip breaking groove of seting up, No. two chip breaking grooves can be at a helical cutting edge, play the chip breaking effect when No. two chip breaking grooves bore into the copper, reduce the wire winding problem, prevent that the copper wire winding from leading to unable normal work on the surface of twist rotary needle main part, it is more convenient to use, resistance when can reducing drilling through the thickness attenuate with the rotary needle core, reduce generating heat of drill point, and reduced the load of main shaft, the life of extension main shaft, the effect of use is better for traditional mode.
Drawings
Fig. 1 is a schematic view of the overall structure of a chip-breaking thin-core drill point of the present invention;
fig. 2 is an end view of the chip breaking thin core drill point of the present invention.
In the figure: 1. a main shaft; 2. a twist rotary needle body; 3. rotating the needle core; 4. a first helical cutting edge; 5. drilling a sharp corner; 6. a first chip breaker groove; 7. a second chip breaker groove; 8. and a second spiral cutting edge.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-2, a chip breaking thin core drill point comprises a main shaft 1, wherein one end of the main shaft 1 is provided with a twist rotary needle main body 2, the twist rotary needle main body 2 comprises a rotary needle core 3, a first spiral cutting edge 4 and a second spiral cutting edge 8, one end of the rotary needle core 3, the first spiral cutting edge 4 and the second spiral cutting edge 8 is provided with a drill point angle 5, a first chip breaking groove 6 is arranged in the rotary needle core 3, and a second chip breaking groove 7 is arranged below the inner part of the rotary needle core 3, which is close to the first chip breaking groove 6.
The outer surface of one end of the twist rotating needle main body 2 is fixedly connected with the outer surface of one end of the main shaft 1, the main shaft 1 is made of stainless steel materials, and the diameters of the tangent planes at the connection part of the main shaft 1 and the twist rotating needle main body 2 are the same; the first spiral cutting edge 4 and the second spiral cutting edge 8 are arranged on the outer side of the rotary needle core 3, the outer surface of the first spiral cutting edge 4 is fixedly connected with the outer surface of the rotary needle core 3, and the outer surface of the second spiral cutting edge 8 is fixedly connected with the outer surface of the rotary needle core 3; the outer surface of one end of a drill point angle 5 is fixedly connected with the outer surfaces of one ends of a rotating needle core 3, a first spiral cutting edge 4 and a second spiral cutting edge 8, the drill point angle 5 is made of hard alloy materials, and the rotating needle can be conveniently drilled into a copper plate through the drill point angle 5; the first chip breaker groove 6 is fixedly connected with the rotary needle core 3, the second chip breaker groove 7 is fixedly connected with the rotary needle core 3, the first chip breaker groove 6 and the second chip breaker groove 7 are axisymmetric with respect to the central core line of the rotary needle core 3, the first chip breaker groove 6 and the second chip breaker groove 7 can play a chip breaking role when the first spiral cutting edge 4 and the second chip breaker groove 7 are drilled into a copper plate, and the angle of the drill point angle 5 is 150 degrees; the angles between the first spiral cutting edge 4 and the second spiral cutting edge 8 and the rotary needle core 3 are all 15 degrees, the section of the rotary needle core 3 is trapezoidal, the thickness of one side, close to the drill point angle 5, of one end of the rotary needle core 3 is 0.378 mm, and the rear end, close to the main shaft 1, of the other end of the rotary needle core 3 is 0.545 mm.
It should be noted that the utility model relates to a chip breaking thin core drill point, the user places the drill point on the copper perpendicularly, drill hole through point angle 5 to the copper, can be with the copper wire that drills down in the roll-out drilling through a helical cutting edge 4, No. two chip breakers groove 7, chip breaking effect can be played when a helical cutting edge 4, No. two chip breakers groove 7 bore the copper through the chip breaker groove 6 of seting up, No. two chip breakers groove 7, reduce the problem of copper wire kinking, prevent that the copper wire from winding and leading to unable normal work in the surface of twist rotary needle main part 2, resistance when can reducing drilling through the thickness attenuate with rotary needle core 3, reduce the generating heat of drill point, and reduced the load of main shaft 1, the life of extension main shaft 1, surpass traditional drill point in the use prospect, and is comparatively practical.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A chip breaking thin core drill point comprises a main shaft (1), and is characterized in that: the one end of main shaft (1) is provided with fried dough twist commentaries on classics needle main part (2), fried dough twist commentaries on classics needle main part (2) are including commentaries on classics needle core (3), spiral cutting edge (4), No. two spiral cutting edge (8), the one end of commentaries on classics needle core (3), spiral cutting edge (4), No. two spiral cutting edge (8) is provided with drill point angle (5), the inside of commentaries on classics needle core (3) is provided with chip breaker groove (6) No. one, the below that the inside of commentaries on classics needle core (3) is close to chip breaker groove (6) is provided with chip breaker groove (7) No. two.
2. A chip breaking thin core drill pin according to claim 1, characterized in that: the twist rotating needle comprises a main shaft (1), wherein the outer surface of one end of the twist rotating needle body (2) is fixedly connected with the outer surface of one end of the main shaft (1), the main shaft (1) is made of stainless steel materials, and the diameters of the tangent planes of the joints of the main shaft (1) and the twist rotating needle body (2) are the same.
3. A chip breaking thin core drill pin according to claim 1, characterized in that: a spiral cutting edge (4), No. two spiral cutting edge (8) are all in the outside of commentaries on classics nook closing member (3), the surface of a spiral cutting edge (4) and the surface fixed connection who changes nook closing member (3), and the surface of No. two spiral cutting edge (8) and the surface fixed connection who changes nook closing member (3).
4. A chip breaking thin core drill pin according to claim 1, characterized in that: the outer surface of one end of the drill point angle (5) is fixedly connected with the outer surface of one end of the rotary needle core (3), the first spiral cutting edge (4) and the second spiral cutting edge (8), and the drill point angle (5) is made of hard alloy materials.
5. A chip breaking thin core drill pin according to claim 1, characterized in that: the first chip breaker groove (6) is fixedly connected with the rotary needle core (3), the second chip breaker groove (7) is fixedly connected with the rotary needle core (3), the first chip breaker groove (6) and the second chip breaker groove (7) are axisymmetric about the central core of the rotary needle core (3), and the angle of the drill point angle (5) is 150 degrees.
6. A chip breaking thin core drill pin according to claim 1, characterized in that: the angles between the first spiral cutting edge (4), the second spiral cutting edge (8) and the rotary needle core (3) are all 15 degrees, the tangent plane of the rotary needle core (3) is trapezoidal, the thickness of one side, close to the drill point angle (5), of one end of the rotary needle core (3) is 0.378 mm, and the rear end of one side, close to the main shaft (1), of the other end of the rotary needle core (3) is 0.545 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306034.8U CN210615234U (en) | 2019-08-13 | 2019-08-13 | Chip breaking thin core drill point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306034.8U CN210615234U (en) | 2019-08-13 | 2019-08-13 | Chip breaking thin core drill point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210615234U true CN210615234U (en) | 2020-05-26 |
Family
ID=70760646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921306034.8U Expired - Fee Related CN210615234U (en) | 2019-08-13 | 2019-08-13 | Chip breaking thin core drill point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210615234U (en) |
-
2019
- 2019-08-13 CN CN201921306034.8U patent/CN210615234U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1925386B1 (en) | Drill bit with high performance for chip removal | |
| CN204018808U (en) | A kind of drill bit for deep hole processing | |
| CN204639254U (en) | A kind of carbide drill reaming and milling composite cutter | |
| CN203541645U (en) | Step drill bit for machining guiding hole | |
| CN201596802U (en) | Multipurpose chamfering device | |
| CN201862824U (en) | Special drill for processing titanium alloy and carbon fiber sandwich plates | |
| WO2015085452A1 (en) | High-speed chamfering cutter | |
| CN205096600U (en) | Tubesheet holes processes drill bit | |
| CN103157835B (en) | For the taper hole drilling reamer of plate parts processing | |
| CN210615234U (en) | Chip breaking thin core drill point | |
| CN204953985U (en) | Twist drill | |
| CN207076994U (en) | A kind of step drill | |
| CN217290593U (en) | Cutting tooth processing tool of coal mining machine | |
| CN216990021U (en) | Integral hard alloy deep hole drill bit | |
| CN215145016U (en) | Drilling and milling composite cutter | |
| CN107598278A (en) | A kind of left-handed right cut reamer of staight shank for through hole | |
| CN203281948U (en) | Taper hole drilling and reaming tool for machining of plate parts | |
| CN205129023U (en) | Drilling chamfer synthetics | |
| CN204621180U (en) | The two screw lock crown drilling rod in V-arrangement location | |
| CN210908243U (en) | Drill bit | |
| CN114289763A (en) | Double-apex-angle olecranon drill with diamond coating | |
| CN213317896U (en) | Positive and negative chamfer burring drill bit | |
| CN208728739U (en) | One kind drills and reams combination forming knife | |
| CN203738154U (en) | Special reamer for oil cylinder inner hole | |
| CN105252089A (en) | Precision cutting tool for high-hardness die steel |
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: 20200526 |