CN104889459A - Cutter - Google Patents
Cutter Download PDFInfo
- Publication number
- CN104889459A CN104889459A CN201510284540.1A CN201510284540A CN104889459A CN 104889459 A CN104889459 A CN 104889459A CN 201510284540 A CN201510284540 A CN 201510284540A CN 104889459 A CN104889459 A CN 104889459A
- Authority
- CN
- China
- Prior art keywords
- cutter
- drill bit
- hole boring
- boring cutter
- hole
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/08—Drills combined with tool parts or tools for performing additional working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/27—Composites
Abstract
The invention pertains to the field of machining and concretely relates to a cutter. The cutter comprises a drill bit and a handle. The handle is connected to the upper surface of the drill bit. The cutter further comprises a hole boring cutter and a coolant pipe. The hole boring cutter is fixed at the tail end of the drill bit. The interiors of the drill bit and of the hole boring cutter are provided with the coolant pipe. Therefore, the cutter helps to ensure coaxiality between a bore hole and a basic bore, decreases machining errors and improves accuracy of a machined part.
Description
Technical field
The invention belongs to field of machining, be specially a kind of cutter.
Background technology
Hole machined belongs to the conventional manufacturing process of mechanical manufacturing field, is the basis of combination parts machining.Hole conventional in mechanical field mainly contains through hole, bore hole, threaded hole etc., this some holes all has strict demand to unique deviation, once offset deviation is excessive, can causes and separately add and cannot assemble, or the situation that cannot use after having assembled, especially bore hole, it has high requirement to the axiality in hole, in existing process technology, it is all the technology adopting datum hole and bore hole separate machined, as Chinese patent CN102470453A " a kind of drilling tool ", this drilling tool comprises at least two part cutting edge (10), these part cutting edge extend to the central longitudinal axis (2) of handle of a knife (3) with right angle and form a boring main cutting edge, and this drilling tool is included in a gap (11) between these part cutting edge (10), retract backward in this gap on the direction of this handle of a knife (3), Chinese patent CN102049535A " a kind of multi-piece type borer ", comprise at least one hole boring cutter body (6) and a hole boring cutter head (4) that can be connected on it, it is characterized by a support component (75) be arranged between this hole boring cutter body (6) and this hole boring cutter head (4), this support component has an annular region (78) to form a slipper, and this annular region extends over the lateral surface of this hole boring cutter body (6) and this hole boring cutter head (4), Chinese patent CN202447699A " a kind of novel hard alloy coated chip ", a kind of novel hard alloy coated chip, comprise cutter hub (1), described cutter hub (1) is regular pentagon structure, cutter hub (1) above pentagonal periphery has cutting edge (2), and there is a through hole at cutter hub (1) center, it is characterized in that, the ring cross-section that has above of cutter hub (1) is the groove (3) of circular arc, and the outer edge of groove (3) extends to cutting edge (2) position, hard alloy coating (4) is had with lateral surface on cutter hub (1) cutting edge.Such operational means, after completing datum hole processing, needs tool setting again to complete the processing of bore hole, but this operating technology exists very large problem is that the axiality of bore hole and datum hole is not high, and the as easy as rolling off a log larger displacement that causes is poor.
Summary of the invention
In order to the problem that the axiality solving bore hole and datum hole is low, the invention provides a kind of cutter, well solve bore hole and the low problem of datum hole axiality, improve the precision of part.
For solving the problems of the technologies described above, a kind of cutter of the present invention adopts following technical scheme:
A kind of cutter, comprise drill bit, handle of a knife, handle of a knife is connected to the upper surface of drill bit, and described cutter also comprises hole boring cutter and coolant pipe, and hole boring cutter is fixed on drill bit tail end, and drill bit and hole boring cutter internal placement have coolant pipe.
Wherein, as a preferred embodiment of the present invention, the afterbody of described drill bit is provided with groove; Described hole boring cutter is fixed on the groove position of drill bit.
Wherein, as a preferred embodiment of the present invention, described groove is positioned at the central shaft of drill bit on the diameter of axle of the circumference of drill bit.
Wherein, as a preferred embodiment of the present invention, described hole boring cutter is fixed on the groove position of drill bit by welding manner.
Wherein, as another kind of preferred version of the present invention, the lower surface of described hole boring cutter is provided with bar shaped voussoir; Described groove is provided with the draw-in groove corresponding with bar shaped voussoir; The part of the corresponding hole boring cutter of described handle of a knife lower surface is provided with projection; Hole boring cutter is positioned by the form of bar shaped voussoir and draw-in groove, and adopts the projection on handle of a knife to be fixed.
Wherein, as a preferred embodiment of the present invention, the coolant pipe being positioned at drill bit internal is communicated with the coolant pipe of hole boring cutter inside.
Wherein, as further preferred version of the present invention, described coolant pipe, in the cold U-shaped distribution of drill bit internal, is linearly arranged in hole boring cutter inside and runs through hole boring cutter.
Wherein, as a kind of preferred version of the present invention, the hardness of described hole boring cutter is greater than the hardness of drill bit.
Wherein, as further preferred version of the present invention, described drill bit is hypervelocity steel and cubic boron nitride composite bed, and cubic boron nitride is connected with hypervelocity steel by microwave sintering method; The material of described hole boring cutter is hard alloy steel and cubic boron nitride composite bed, and cubic boron nitride is connected with hard alloy steel by microwave sintering method.
Wherein, fluted drill is preferably as the drill bit described in further preferred version of the present invention.
Beneficial effect of the present invention:
Drill bit and hole boring cutter are set to one by the present invention, can realize the one-shot forming in hole, ensure that the axiality of bore hole and datum hole when carrying out machining, reduce mismachining tolerance, improve the precision of workpiece.
Meanwhile, coolant pipe is arranged the inside with drill bit and hole boring cutter, realize the circulation of cooling fluid, reduce the waste of cooling fluid.
Therefore, well solve bore hole and the low problem of datum hole axiality, improve the precision of part.
Accompanying drawing explanation
The overall schematic of a kind of cutter of Fig. 1;
The overall sectional view of a kind of cutter of Fig. 2;
The overall top view of a kind of cutter of Fig. 3;
The coolant pipe schematic diagram of a kind of cutter of Fig. 4;
Overall schematic after a kind of cutter of Fig. 5 improves;
1 fluted drill in figure, 2 coolant pipes, 3 handle of a knifes, 4 hole boring cutters.
Detailed description of the invention
The nonrestrictive explanation of accompanying drawing involved in the present invention and the structural representation of preferred technical scheme; Technical scheme of the present invention is described in detail below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, Figure 2, a kind of cutter shown in Fig. 3 and Fig. 4, comprise fluted drill 1, handle of a knife 3, handle of a knife 3 connects the upper surface of fluted drill 1, and the afterbody of described fluted drill 1 is provided with groove; Described groove is positioned at the central shaft of fluted drill 1 on the circumference of drill bit; Described cutter also comprises hole boring cutter 4 and coolant pipe 2, described hole boring cutter 4 adopts welding manner to be fixed on the groove position of fluted drill 1, described coolant pipe 2 is positioned at fluted drill 1 and hole boring cutter 4 is inner, described coolant pipe 2 is in the U-shaped distribution of fluted drill 1 internal coolant pipe 2, linearly arrange at hole boring cutter 4 internal coolant pipe 2 and run through hole boring cutter 4, the coolant pipe 2 being positioned at fluted drill 1 inside is communicated with the coolant pipe 2 of hole boring cutter 4 inside, realize to cool fluted drill 1 and hole boring cutter 4 when a logical cooling fluid simultaneously, reduce the use amount of cooling fluid; The hardness of described hole boring cutter 4 is greater than the hardness of fluted drill 1, adds man-hour for high accuracy, ensures that hole boring cutter 4 is carrying out adding the borehole accuracy that man-hour does not affect fluted drill 1.
Embodiment 2
A kind of cutter as shown in Figure 5, comprise fluted drill 1, handle of a knife 3, handle of a knife 3 connects the upper surface of fluted drill 1, and the afterbody of described fluted drill 1 is provided with groove; Described groove is positioned at the central shaft of fluted drill 1 on the circumference of drill bit; Described cutter also comprises hole boring cutter 4 and coolant pipe 2, and as different from Example 1, the lower surface of described hole boring cutter 4 is provided with bar shaped voussoir; Described groove is provided with the draw-in groove corresponding with bar shaped voussoir; The part of the corresponding hole boring cutter 4 of described handle of a knife 3 lower surface is provided with projection; The form that hole boring cutter 4 sticks into the draw-in groove corresponding with bar shaped voussoir by bar shaped voussoir positions, and adopts the projection on handle of a knife 3 to be fixed, and like this when needing the bore hole of different-diameter, replaceable hole boring cutter 4 is to satisfy the demands.Described coolant pipe 2 is positioned at fluted drill 1 and hole boring cutter 4 is inner, described coolant pipe 2 is in the U-shaped distribution of fluted drill 1 internal coolant pipe 2, linearly arrange at hole boring cutter 4 internal coolant pipe 2 and run through hole boring cutter 4, the coolant pipe 2 being positioned at fluted drill 1 inside is communicated with the coolant pipe 2 of hole boring cutter 4 inside, realize to cool fluted drill 1 and hole boring cutter 4 when a logical cooling fluid simultaneously, reduce the use amount of cooling fluid; The material of the hole boring cutter 4 adopted is hard alloy steel and cubic boron nitride composite bed, and cubic boron nitride is connected with hard alloy steel by microwave sintering method; The fluted drill 1 adopted is hypervelocity steel and cubic boron nitride composite bed, and cubic boron nitride is connected with hypervelocity steel by microwave sintering method.
Workflow:
Carrying out in the process of holing, fluted drill 1 is leading, and during the position to needs to be processed, hole boring cutter 4 starts to contact with workpiece to carry out bore hole, and fluted drill 1 and the hole boring cutter 4 of employing can ensure the axiality of bore hole and datum hole with cutter hub; In addition, the hardness of hole boring cutter 4 material is greater than the hardness of fluted drill 1, ensures like this in the process of carrying out hole machined, and in the process that bore hole and boring are carried out simultaneously, boring and bore hole cutting each other shake and can not influence each other, and ensure the precision in hole.
The present invention can realize the one-shot forming in hole when carrying out machining, ensure that the axiality of bore hole and datum hole, reduces mismachining tolerance, improves the precision of workpiece.Meanwhile, coolant pipe is arranged the inside with drill bit and hole boring cutter, realize the circulation of cooling fluid, reduce the waste of cooling fluid.Therefore, a kind of cutter of the present invention, can in the hole machined of extensive use and all kinds of Digit Control Machine Tool.
Although the present invention with preferred embodiment openly as above, it is also not used to limit the present invention, any person skilled in the art; without departing from the spirit and scope of the present invention; all can do various changes and modification, therefore, what protection scope of the present invention should define with claims is as the criterion.
Claims (10)
1. a cutter, comprises drill bit, handle of a knife, and handle of a knife is connected to the upper surface of drill bit, it is characterized in that: described cutter also comprises hole boring cutter and coolant pipe, and hole boring cutter is fixed on drill bit tail end, and drill bit and hole boring cutter internal placement have coolant pipe.
2. a kind of cutter according to claim 1, is characterized in that: the afterbody of described drill bit is provided with groove; Described hole boring cutter is fixed on the groove position of drill bit.
3. a kind of cutter according to claim 2, is characterized in that: described groove is positioned at the central shaft of drill bit on the diameter of axle of the circumference of drill bit.
4. a kind of cutter according to claim 2, is characterized in that: described hole boring cutter is fixed on the groove position of drill bit by welding manner.
5. a kind of cutter according to claim 1, is characterized in that: the lower surface of described hole boring cutter is provided with bar shaped voussoir; Described groove is provided with the draw-in groove corresponding with bar shaped voussoir; The part of the corresponding hole boring cutter of described handle of a knife lower surface is provided with projection; Hole boring cutter is positioned by the form of bar shaped voussoir and draw-in groove, and adopts the projection on handle of a knife to be fixed.
6. a kind of cutter according to claim 1, is characterized in that: the coolant pipe being positioned at drill bit internal is communicated with the coolant pipe of hole boring cutter inside.
7. a kind of cutter according to claim 1 or 6, is characterized in that: described coolant pipe, in the cold U-shaped distribution of drill bit internal, is linearly arranged in hole boring cutter inside and runs through hole boring cutter.
8. a kind of cutter according to claim 1,2,4,5 or 6, is characterized in that: the hardness of described hole boring cutter is greater than the hardness of drill bit.
9. a kind of cutter according to claim 8, is characterized in that: described drill bit is hypervelocity steel and cubic boron nitride composite bed, and cubic boron nitride is connected with hypervelocity steel by microwave sintering method; The material of described hole boring cutter is hard alloy steel and cubic boron nitride composite bed, and cubic boron nitride is connected with hard alloy steel by microwave sintering method.
10. a kind of cutter according to claim 1,2,3,4,6 or 9, is characterized in that: described drill bit is preferably fluted drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284540.1A CN104889459A (en) | 2015-05-29 | 2015-05-29 | Cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284540.1A CN104889459A (en) | 2015-05-29 | 2015-05-29 | Cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104889459A true CN104889459A (en) | 2015-09-09 |
Family
ID=54022648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510284540.1A Pending CN104889459A (en) | 2015-05-29 | 2015-05-29 | Cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104889459A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111002484A (en) * | 2019-12-26 | 2020-04-14 | 中铁北京工程局集团城市轨道交通工程有限公司 | Construction method for concrete structure bar planting drilling |
| CN113927668A (en) * | 2021-09-29 | 2022-01-14 | 惠州新联兴实业有限公司 | Conducting hole processing method, circuit board drill bit and drilling device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010060936A1 (en) * | 2008-11-28 | 2010-06-03 | European Aeronautic Defence And Space Company Eads France | Tool holder including cooling means |
| CN202877600U (en) * | 2012-09-12 | 2013-04-17 | 云南Cy集团通海树脂砂铸造厂 | Hole boring cutter |
| CN203140810U (en) * | 2013-02-28 | 2013-08-21 | 常州东风农机集团有限公司 | Indexable chamfer milling and boring compound tool |
| CN103433538A (en) * | 2013-08-22 | 2013-12-11 | 济钢集团有限公司 | Drilling and boring integrated deep hole machining device |
| CN203426507U (en) * | 2013-08-27 | 2014-02-12 | 温岭市新杭工具厂 | Twist drill with cooling structure |
| CN203944889U (en) * | 2014-07-25 | 2014-11-19 | 锑玛(苏州)精密工具有限公司 | A kind of for processing the interior cold step drill of valve parts closed hole |
| DE102013105015A1 (en) * | 2013-05-15 | 2014-11-20 | Gühring KG | System tool and tool for machining |
| CN104551125A (en) * | 2014-12-19 | 2015-04-29 | 苏州欧美克合金工具有限公司 | Quick-cooling drill bit |
-
2015
- 2015-05-29 CN CN201510284540.1A patent/CN104889459A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010060936A1 (en) * | 2008-11-28 | 2010-06-03 | European Aeronautic Defence And Space Company Eads France | Tool holder including cooling means |
| CN202877600U (en) * | 2012-09-12 | 2013-04-17 | 云南Cy集团通海树脂砂铸造厂 | Hole boring cutter |
| CN203140810U (en) * | 2013-02-28 | 2013-08-21 | 常州东风农机集团有限公司 | Indexable chamfer milling and boring compound tool |
| DE102013105015A1 (en) * | 2013-05-15 | 2014-11-20 | Gühring KG | System tool and tool for machining |
| CN103433538A (en) * | 2013-08-22 | 2013-12-11 | 济钢集团有限公司 | Drilling and boring integrated deep hole machining device |
| CN203426507U (en) * | 2013-08-27 | 2014-02-12 | 温岭市新杭工具厂 | Twist drill with cooling structure |
| CN203944889U (en) * | 2014-07-25 | 2014-11-19 | 锑玛(苏州)精密工具有限公司 | A kind of for processing the interior cold step drill of valve parts closed hole |
| CN104551125A (en) * | 2014-12-19 | 2015-04-29 | 苏州欧美克合金工具有限公司 | Quick-cooling drill bit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111002484A (en) * | 2019-12-26 | 2020-04-14 | 中铁北京工程局集团城市轨道交通工程有限公司 | Construction method for concrete structure bar planting drilling |
| CN111002484B (en) * | 2019-12-26 | 2021-04-16 | 中铁北京工程局集团城市轨道交通工程有限公司 | Construction method for concrete structure bar planting drilling |
| CN113927668A (en) * | 2021-09-29 | 2022-01-14 | 惠州新联兴实业有限公司 | Conducting hole processing method, circuit board drill bit and drilling device |
| CN113927668B (en) * | 2021-09-29 | 2023-02-03 | 惠州新联兴实业有限公司 | Conducting hole processing method, circuit board drill bit and drilling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |