CN111975049A - Breakage-proof high-speed steel straight shank twist drill - Google Patents
Breakage-proof high-speed steel straight shank twist drill Download PDFInfo
- Publication number
- CN111975049A CN111975049A CN201910439034.3A CN201910439034A CN111975049A CN 111975049 A CN111975049 A CN 111975049A CN 201910439034 A CN201910439034 A CN 201910439034A CN 111975049 A CN111975049 A CN 111975049A
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- CN
- China
- Prior art keywords
- twist drill
- speed steel
- straight shank
- reinforcing
- rod
- 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.)
- Pending
Links
- 229910000997 High-speed steel Inorganic materials 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 45
- 210000001503 joint Anatomy 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 9
- 230000002968 anti-fracture Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 241001391944 Commicarpus scandens Species 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/12—Adapters for drills or chucks; Tapered sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23B2222/32—Details of high-speed steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/24—Overall form of drilling tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The invention discloses an anti-fracture high-speed steel straight shank twist drill, and particularly relates to the technical field of twist drills, wherein the anti-fracture high-speed steel straight shank twist drill comprises a rotating head, wherein a twist drill body is fixedly arranged at the bottom of the rotating head, and a reinforcing assembly is arranged in the twist drill body; the reinforcing component comprises a main reinforcing rod, a plurality of groups of connecting frames are fixedly arranged on the outer wall of the main reinforcing rod, each group of connecting frames comprises three connecting rods, a first inclined rod and a second inclined rod are fixedly arranged on two sides of each connecting rod respectively, a connecting piece is fixedly arranged between the first inclined rod and the second inclined rod, and a triangular reinforcing frame is arranged on each connecting frame. The reinforcing component is arranged, so that the force applied to the twist drill body can be dispersed, and the force is prevented from being concentrated on one point and acting on the twist drill body, so that the strength of the twist drill is higher, the twist drill is not easy to break in the using process, the actual using effect of the twist drill is ideal, and the practicability is improved.
Description
Technical Field
The invention relates to the technical field of twist drills, in particular to an anti-fracture high-speed steel straight shank twist drill.
Background
Twist drills are tools for drilling round holes in workpieces by rotary cutting relative to a fixed axis, and can be clamped on manual and electric handheld drilling tools, and also can be used on drilling machines, milling machines and lathes.
The patent application publication No. CN 204912867U discloses a twist drill for improving the use effect, which comprises a twist drill body, wherein a spiral chip groove is formed in the front end of the twist drill body, an oil hole is formed in the middle of the twist drill body along the axial direction, and the oil hole extends from the position of a drill bit of the twist drill body to the outer cylindrical surface of the twist drill body; the twist drill body is provided with scale marks; at least one laser lamp is arranged on the outer surface of the twist drill body. By arranging the oil hole, lubricating oil can be injected to the drill bit through the oil hole, so that the service life and the use effect of the twist drill are improved; by setting the scale marks, the depth of the drilled hole can be accurately known to be too deep or too shallow; through setting up the laser lamp, operating personnel can guarantee that the hole of boring is the straight hole according to the laser beam of laser lamp.
However, in actual use, there are still many disadvantages, such as the strength of the invention is low, and if the shaking or deflection occurs during the use process, the invention is easy to break, which makes the actual use effect of the invention not ideal, and affects the practicability.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides the anti-fracture high-speed steel straight shank twist drill, the reinforcing component is arranged, so that the force applied to the twist drill body can be dispersed, and the force is prevented from being concentrated on one point and acting on the twist drill body, so that the strength of the anti-fracture high-speed steel straight shank twist drill is higher, the fracture situation is not easy to occur in the using process, the actual using effect of the anti-fracture high-speed steel straight shank twist drill is ideal, the practicability is improved, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the anti-fracture high-speed steel straight shank twist drill comprises a rotating head, wherein a twist drill body is fixedly arranged at the bottom of the rotating head, and a reinforcing assembly is arranged inside the twist drill body;
the reinforcing component comprises a main reinforcing rod, a plurality of groups of connecting frames are fixedly arranged on the outer wall of the main reinforcing rod, each group of connecting frames comprises three connecting rods, a first inclined rod and a second inclined rod are fixedly arranged on two sides of each connecting rod respectively, a connecting piece is fixedly arranged between the first inclined rods and the second inclined rods, a triangular reinforcing frame is arranged on each connecting frame, three auxiliary reinforcing rods are arranged on each triangular reinforcing frame in a penetrating mode, and a hard alloy casting layer is arranged on the outer side of each main reinforcing rod.
In a preferred embodiment, the outer wall of the twist drill body is provided with two chip flutes.
In a preferred embodiment, the chip flutes are provided as a helix, the chip flutes being integrally formed with the twist drill body.
In a preferred embodiment, the reinforcement member is made of cemented carbide material.
In a preferred embodiment, the connecting piece is fixedly arranged at the connection position of the first inclined rod and the second inclined rod.
In a preferred embodiment, three auxiliary reinforcing rods are respectively penetratingly disposed at three connecting rod ends.
In a preferred embodiment, the rotating head is provided with a slot, the slot is internally provided with a replaceable butt joint, and one side of the slot is provided with a threaded hole.
In a preferred embodiment, one end of the replaceable butt joint is provided with a limiting hole in a penetrating manner, a screw is arranged in the threaded hole in a penetrating manner, and the screw is in threaded connection with the threaded hole.
The invention has the technical effects and advantages that:
1. the reinforcing component is arranged, so that the force applied to the twist drill body can be dispersed, and the force is prevented from being concentrated on one point and acting on the twist drill body, so that the strength of the twist drill is higher, the breakage condition is not easy to occur in the using process, the actual using effect of the twist drill is ideal, and the practicability is improved;
2. By arranging the slot, the replaceable butt joint and the screw, the replaceable butt joint can be replaced according to requirements, so that the drilling tool is convenient to use on different drilling tools, the application range of the drilling tool is wider, and the applicability of the drilling tool is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention.
FIG. 3 is an enlarged view of the portion B of FIG. 1 according to the present invention.
Fig. 4 is a schematic cross-sectional structure view of the twist drill body of the present invention.
FIG. 5 is a perspective view of the replaceable docking head of the present invention.
The reference signs are: the twist drill comprises a 1 rotating head, 2 twist drill bodies, 3 reinforcing assemblies, 4 main reinforcing rods, 5 connecting rods, 6 first inclined rods, 7 second inclined rods, 8 connecting pieces, 9 triangular reinforcing frames, 10 auxiliary reinforcing rods, 11 connecting frames, 12 hard alloy casting layers, 13 chip grooves, 14 slots, 15 replaceable butt joints, 16 threaded holes, 17 limiting holes and 18 screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The anti-fracture high-speed steel straight shank twist drill shown in the attached figures 1-4 comprises a rotating head 1, wherein a twist drill body 2 is fixedly arranged at the bottom of the rotating head 1, and a reinforcing component 3 is arranged inside the twist drill body 2;
the reinforcing component 3 comprises a main reinforcing rod 4, a plurality of groups of connecting frames 11 are fixedly arranged on the outer wall of the main reinforcing rod 4, each group of connecting frames 11 comprises three connecting rods 5, a first inclined rod 6 and a second inclined rod 7 are respectively and fixedly arranged on two sides of each connecting rod 5, a connecting piece 8 is fixedly arranged between the first inclined rod 6 and the second inclined rod 7, a triangular reinforcing frame 9 is arranged on each connecting frame 11, three auxiliary reinforcing rods 10 are arranged on each triangular reinforcing frame 9 in a penetrating mode, and a hard alloy casting layer 12 is arranged on the outer side of each main reinforcing rod 4;
the outer wall of the twist drill body 2 is provided with two chip grooves 13;
the chip groove 13 is spirally arranged, and the chip groove 13 and the twist drill body 2 are integrally formed;
the reinforcing component 3 is made of hard alloy material;
the connecting piece 8 is fixedly arranged at the connecting part of the first diagonal rod 6 and the second diagonal rod 7;
the three auxiliary reinforcing rods 10 are respectively arranged at the ends of the three connecting rods 5 in a penetrating manner.
The implementation mode is specifically as follows: when the twist drill body 2 of the present invention is shaken and deflected during the use of the present invention, the present invention is subjected to a force bending the twist drill body 2, the force acts on the main reinforcing rods 4 through the twist drill body 2, the main reinforcing rods 4 transmit a part of the force to the second inclined rods 7 through the connecting rods 5, the second inclined rods 7 transmit a part of the force to the adjacent first inclined rods 6 through the connecting pieces 8, the first inclined rods 6 transmit a part of the force to the adjacent connecting rods 5, the connecting rods 5 sequentially disperse the force downwards through the first inclined rods 6 and the second inclined rods 7, and the connecting rods 5 also transmit a part of the force to the triangular fixing frame 9, so that the triangular fixing frame 9 is not easily damaged after the triangular fixing frame 9 is stressed due to the stability of the triangular fixing frame, the triangular fixing frame 9 transmits a part of the force to the auxiliary reinforcing rods 10, and the force applied to the twist drill body 2 can be dispersed, the force is prevented from being concentrated on one point and acting on the twist drill body 2, and the hard alloy casting layer 12 can be filled in the twist drill body 2 and coated on the structure in the twist drill body 2, so that the structure in the twist drill body 2 is reinforced to a certain extent, the strength of the twist drill is high, the twist drill is not easy to break in the using process, the actual using effect of the twist drill is ideal, and the practicability is improved.
The breakage-proof high-speed steel straight shank twist drill shown in fig. 1, fig. 2 and fig. 5 further comprises a slot 14, wherein the slot 14 is arranged on the rotating head 1, a replaceable butt joint 15 is arranged in the slot 14, and a threaded hole 16 is formed in one side of the slot 14;
one end of the replaceable butt joint 15 is provided with a limiting hole 17 in a penetrating mode, a screw 18 is arranged in the threaded hole 16 in a penetrating mode, and the screw 18 is in threaded connection with the threaded hole 16.
The implementation mode is specifically as follows: when the replaceable butt joint device is used on different drilling tools, the replaceable butt joint 15 can be replaced according to the requirement, the screw 18 is rotated to be screwed out of the threaded hole 16, then the replaceable butt joint 15 is pulled out of the slot 14, the required replaceable butt joint 15 is inserted into the slot 14, then the screw 18 is screwed into the threaded hole 16 and inserted into the limiting hole 17, and the replaceable butt joint 15 and the rotary joint 1 are fixedly connected together to complete replacement, so that the application range of the replaceable butt joint device is wider, and the applicability of the replaceable butt joint device is improved.
The working principle of the invention is as follows:
referring to the attached drawings 1-4 of the specification, when the twist drill is used, the reinforcing component 3 is arranged, so that the force applied to the twist drill body 2 can be dispersed, and the force is prevented from being concentrated on one point and acting on the twist drill body 2, so that the strength of the twist drill is higher, the twist drill is not easy to break in the using process, the actual using effect of the twist drill is ideal, and the practicability is improved;
Referring to the attached drawings 1, 2 and 5 in the specification, when the drill bit is used, the replaceable butt joint 15 can be replaced according to needs by arranging the slot 14, the replaceable butt joint 15 and the screw 18, so that the drill bit is convenient to use on different drilling tools, the application range of the drill bit is wider, and the applicability of the drill bit is improved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides a prevent straight shank twist drill of high-speed steel that splits, includes and rotates head (1), its characterized in that: the bottom of the rotating head (1) is fixedly provided with a twist drill body (2), and a reinforcing component (3) is arranged in the twist drill body (2);
the reinforcing component (3) comprises a main reinforcing rod (4), a plurality of groups of connecting frames (11) are fixedly arranged on the outer wall of the main reinforcing rod (4), each group of connecting frames (11) comprises three connecting rods (5), two sides of each connecting rod (5) are respectively fixedly provided with a first inclined rod (6) and a second inclined rod (7), a connecting piece (8) is fixedly arranged between each first inclined rod (6) and each second inclined rod (7), a triangular reinforcing frame (9) is arranged on each connecting frame (11), three auxiliary reinforcing rods (10) are arranged on each triangular reinforcing frame (9) in a penetrating mode, and a hard alloy casting layer (12) is arranged on the outer side of the main reinforcing rod (4).
2. The breakage-proof high-speed steel straight shank twist drill according to claim 1, characterized in that: the outer wall of the twist drill body (2) is provided with two chip grooves (13).
3. The breakage-proof high-speed steel straight shank twist drill according to claim 2, characterized in that: the chip groove (13) is designed to be spiral, and the chip groove (13) and the twist drill body (2) are integrally formed.
4. The breakage-proof high-speed steel straight shank twist drill according to claim 1, characterized in that: the reinforcing component (3) is made of hard alloy materials.
5. The breakage-proof high-speed steel straight shank twist drill according to claim 1, characterized in that: the connecting piece (8) is fixedly arranged at the connecting position of the first inclined rod (6) and the second inclined rod (7).
6. The breakage-proof high-speed steel straight shank twist drill according to claim 1, characterized in that: the three auxiliary reinforcing rods (10) are respectively arranged at the end parts of the three connecting rods (5) in a penetrating way.
7. The breakage-proof high-speed steel straight shank twist drill according to claim 1, characterized in that: a slot (14) is formed in the rotating head (1), a replaceable butt joint (15) is arranged in the slot (14), and a threaded hole (16) is formed in one side of the slot.
8. The breakage-preventing high-speed steel straight shank twist drill according to claim 7, characterized in that: one end of the replaceable butt joint (15) is provided with a limiting hole (17) in a penetrating mode, a screw (18) penetrates through the interior of the threaded hole (16), and the screw (18) is in threaded connection with the threaded hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439034.3A CN111975049A (en) | 2019-05-24 | 2019-05-24 | Breakage-proof high-speed steel straight shank twist drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439034.3A CN111975049A (en) | 2019-05-24 | 2019-05-24 | Breakage-proof high-speed steel straight shank twist drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111975049A true CN111975049A (en) | 2020-11-24 |
Family
ID=73437545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910439034.3A Pending CN111975049A (en) | 2019-05-24 | 2019-05-24 | Breakage-proof high-speed steel straight shank twist drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111975049A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU14240A1 (en) * | 1929-01-19 | 1930-03-31 | Л.К. Линдстрем | Spiral Drill Prevention Tool |
| KR20100110077A (en) * | 2009-04-02 | 2010-10-12 | 이화다이아몬드공업 주식회사 | Drill bit |
| JP3182506U (en) * | 2012-11-06 | 2013-03-28 | ティーシーティー グローバル リミテッド | Drill structure |
| CN205551566U (en) * | 2016-02-24 | 2016-09-07 | 温岭市永鑫工具有限公司 | Self -lubricating fluted drill |
| CN106270667A (en) * | 2016-08-23 | 2017-01-04 | 文登蓝岛建筑工程有限公司 | A kind of Special drilling bit being applicable to building materials |
| CN206500657U (en) * | 2017-01-20 | 2017-09-19 | 广州市科大机械设备有限公司 | A kind of precision bit of drill |
| CN107225273A (en) * | 2016-03-23 | 2017-10-03 | 江苏天工工具有限公司 | A kind of anti-fracture high-speed steel straight shank twist drill |
| CN107717018A (en) * | 2017-11-21 | 2018-02-23 | 常州山迪智能科技有限公司 | A kind of four-edge bit for elliptical aperture processed |
| CN107989883A (en) * | 2016-10-26 | 2018-05-04 | 盐城华海石油机械有限公司 | A kind of anti-fracture driving-shaft assembly of oil mine drilling tool |
| CN210334480U (en) * | 2019-05-24 | 2020-04-17 | 江苏叁陆零工具有限公司 | Breakage-proof high-speed steel straight shank twist drill |
-
2019
- 2019-05-24 CN CN201910439034.3A patent/CN111975049A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU14240A1 (en) * | 1929-01-19 | 1930-03-31 | Л.К. Линдстрем | Spiral Drill Prevention Tool |
| KR20100110077A (en) * | 2009-04-02 | 2010-10-12 | 이화다이아몬드공업 주식회사 | Drill bit |
| JP3182506U (en) * | 2012-11-06 | 2013-03-28 | ティーシーティー グローバル リミテッド | Drill structure |
| CN205551566U (en) * | 2016-02-24 | 2016-09-07 | 温岭市永鑫工具有限公司 | Self -lubricating fluted drill |
| CN107225273A (en) * | 2016-03-23 | 2017-10-03 | 江苏天工工具有限公司 | A kind of anti-fracture high-speed steel straight shank twist drill |
| CN106270667A (en) * | 2016-08-23 | 2017-01-04 | 文登蓝岛建筑工程有限公司 | A kind of Special drilling bit being applicable to building materials |
| CN107989883A (en) * | 2016-10-26 | 2018-05-04 | 盐城华海石油机械有限公司 | A kind of anti-fracture driving-shaft assembly of oil mine drilling tool |
| CN206500657U (en) * | 2017-01-20 | 2017-09-19 | 广州市科大机械设备有限公司 | A kind of precision bit of drill |
| CN107717018A (en) * | 2017-11-21 | 2018-02-23 | 常州山迪智能科技有限公司 | A kind of four-edge bit for elliptical aperture processed |
| CN210334480U (en) * | 2019-05-24 | 2020-04-17 | 江苏叁陆零工具有限公司 | Breakage-proof high-speed steel straight shank twist drill |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201124 |
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| WD01 | Invention patent application deemed withdrawn after publication |