CN105599074B - A kind of carbide drill and its processing technology - Google Patents
A kind of carbide drill and its processing technology Download PDFInfo
- Publication number
- CN105599074B CN105599074B CN201510961501.0A CN201510961501A CN105599074B CN 105599074 B CN105599074 B CN 105599074B CN 201510961501 A CN201510961501 A CN 201510961501A CN 105599074 B CN105599074 B CN 105599074B
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- apex point
- cutter hub
- processing
- knife
- handle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G15/00—Boring or turning tools; Augers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/32—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Drilling Tools (AREA)
Abstract
The present invention relates to carbide drill and its processing technology, it is intended to and a kind of wearability is good, and chip removal performance is good in providing, the carbide drill and its processing technology of service life length, and the present invention includes apex point, cutter hub, handle of a knife, wherein：Cutter hub is formed in one with handle of a knife, cutter hub is provided with several helicla flutes, angle is provided between helicla flute and horizontal plane, the angle of the angle is 10 ° 15 °, the left end section of apex point is taper surface, cutter hub is close to the end face of apex point and the interior cone angle of the identical taper in apex point left end section, cutter hub is welded and fixed close to the end face of apex point by V-arrangement butt welding mode with apex point, apex point includes apex point body, apex point tip, the surface configuration of apex point body is W shapes, apex point tip is provided with chisel edge, apex point is provided with and the cylindrical two tangent cylindrical edge bands of apex point, drill bit edge is provided with the crossed blade parallel with handle of a knife, crossed blade is designed using negative relief angle, handle of a knife end is provided with the adjusting screw that can adjust the length of the bit.
Description
Technical field
The present invention relates to drill bit and its processing technology, and in particular to carbide drill and its processing technology.
Background technology
Carbide drill is mainly used in the Drilling operation in wood furniture, in solid wood, fancy wood chipboard or density board
Lockhole processing, drawer lockhole etc.；Woodworking gang drill head on the market is mainly lug structure at present, and general drilling rotating speed can not
Too fast, there is chipping phenomenon, easy blockage phenomenon in the hole after processing, and is easily smoldered in process, be burnt；Wood
When work gang drill head coordinates CNC numerical control device High-speed machinings, the easy chip of workpiece surface after processing, the hole shape processed is crude；Wood
Work gang drill head wears no resistance in drilling solid wood fancy wood chipboard and density board, chip removal poor performance, and service life is short.
The content of the invention
The purpose of the present invention is good in order to provide a kind of wearability, and chip removal performance is good, the carbide drill of service life length
And its processing technology.
To realize the purpose of the present invention, the present invention adopts the following technical scheme that：A kind of carbide drill, include boring successively
Point, cutter hub, handle of a knife, wherein：The cutter hub is formed in one with handle of a knife, and the cutter hub is provided with several helicla flutes, the spiral shell
Angle is provided between spin slot and horizontal plane, the angle of the angle is 10 ° -15 °, and the left end section of the apex point is taper surface,
The cutter hub is close to the end face and the interior cone angle of the identical taper in the apex point left end section of apex point, and the cutter hub is close to apex point
End face be welded and fixed by V-arrangement butt welding mode with apex point, the apex point include apex point body, apex point tip, the apex point
The surface configuration of body is W shapes, and the apex point tip is provided with chisel edge, and the apex point is provided with apex point cylindrical tangent two
Cylindrical edge band, the drill bit edge are provided with the crossed blade parallel with handle of a knife, and the crossed blade is designed using negative relief angle, the knife
Handle end is provided with the adjusting screw that can adjust the length of the bit.
It is preferred that the apex point is made of hard alloy material, the apex point is connected to one by welding manner and cutter hub
Rise.
It is preferred that the adjusting screw is connected by the screwed hole on handle of a knife with handle of a knife.
It is preferred that the cutter hub is provided with 2 helicla flutes.
Beneficial effects of the present invention：The left end section of apex point is taper surface, end face and institute of the cutter hub close to apex point
The interior cone angle of the identical taper in apex point left end section is stated, the cutter hub passes through V-arrangement butt welding mode and brill close to the end face of apex point
Point is welded and fixed so that all without making hard alloy apex point come off under conditions of drill for high-speed；Handle of a knife end is provided with and can adjusted
The adjusting screw of the length of the bit, the length of the bit is adjusted during use and is more accurately positioned；Cutter hub is provided with several spiral shells
Spin slot, angle is provided between the helicla flute and horizontal plane, the angle of the angle is 10 ° -15 °, under the conditions of high drilling is cut
Quickly wood chip can be discharged；The surface configuration of apex point body is W shapes so that drills into and exits under corresponding drilling parameter
All very brisk, no chip, without burnt phenomenon, pass is graceful；Drill bit edge is provided with the crossed blade parallel with handle of a knife, and crossed blade is adopted
Designed with negative relief angle, increase intensity and impact resistance；Apex point tip is provided with chisel edge, and the drilling in hole is can guarantee that under drill for high-speed
It can also be accurately positioned outside function, hole position is not offset.
Technical scheme also includes：A kind of processing technology of carbide drill,
The first step：First cutter hub is heat-treated, heat treatment hardness is HRC38 ° -42 °.
Second step：By the carry out continuous grinding cylindrical to cutter hub of centreless grinding equipment, so as to eliminate the change of cutter hub in heat treatment process
Shape, ensure the cutter hub concentricity of postorder processing.
3rd step：First the body portion close to shank end is polished；The processing of screwed hole is carried out to shank end again；Connect
The processing to cone angle in being carried out close to the cutter hub end of apex point so that close to the number of degrees and apex point of the interior cone angle at the cutter hub end of apex point
It is identical that left end cuts degree of a face.
4th step：Carry out the processing of helical flute to cutter hub on CNC milling machine by the disc milling cutter with circular arc, make
The depth and shape all same of two helical flutes of the cutter hub that must be processed.
5th step：After being processed to above-mentioned 4th step, the burr left on cutter hub carries out cleaning work.
6th step：On high-frequency apparatus by filamentary silver solder to cutter hub end face and the hard alloy apex point close to apex point with
The mode of V-shaped weld is welded, and welding temperature must not exceed 680 DEG C, and the cutter hub after welding is immediately placed in incubator and carried out
Case is protected, holding temperature is 300-400 DEG C, and soaking time is 4-6 hours.
7th step：Surface sand-blasting process first is carried out to carbide drill, then carries out spray painting processing.
8th step：Handle of a knife is put into and is processed on centreless grinding.
9th step：Hard alloy apex point is placed on progress peripheral milling processing on cutter cylindrical lapping machine so that hard alloy
The cylindrical accuracy guarantee of apex point is within 0.02mm.
Tenth step：Hard alloy apex point is placed on five-shaft numerical control mill machining center with clamped one time sword processing hard alloy
The apex point body of apex point so that the surface configuration of apex point body is W shapes；Apex point tip is processed again so that in apex point point
Chisel edge is processed on head, then to processing crossed blade on the position at drill bit edge.
11st step：First the carbide drill processed is cleaned, then antirust oil is coated in carbide drill.
12nd step：Adjusting screw is assembled in the screwed hole of handle of a knife, packaging and storage.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the right view of the present invention；
Fig. 4 is the structural representation of the apex point of the present invention；
Fig. 5 is the top view of the apex point of the present invention；
Fig. 6 is the left view of the apex point of the present invention.
1 is adjusting screw, and 2 be cutter hub, and 3 be apex point, and 4 be crossed blade, and 5 be apex point body, and 6 be apex point tip, and 7 be spiral
Groove, 8 be handle of a knife, and 9 be interior cone angle, and 10 be chisel edge, and 11 be cylindrical edge band, and a is angle.
Embodiment
Further illustrate below in conjunction with the accompanying drawings：
As shown in figures 1-6：The present invention includes apex point successively, cutter hub, handle of a knife, wherein：The cutter hub is integrated with handle of a knife
Shaping, the cutter hub are provided with several helicla flutes, angle, the angle of the angle are provided between the helicla flute and horizontal plane
For 10 ° -15 °, the left end section of the apex point is taper surface, and the cutter hub is cut close to the end face of apex point with the apex point left end
The interior cone angle of the identical taper in face, the cutter hub are welded and fixed close to the end face of apex point by V-arrangement butt welding mode with apex point, institute
Stating apex point includes apex point body, apex point tip, and the surface configuration of the apex point body is W shapes, and the apex point tip is provided with horizontal stroke
Sword, the apex point is provided with to be provided with parallel with handle of a knife with the cylindrical two tangent cylindrical edge bands of apex point, the drill bit edge
Crossed blade, the crossed blade are designed using negative relief angle, and the handle of a knife end is provided with the adjusting screw that can adjust the length of the bit, described
Apex point is made of hard alloy material, and the apex point is linked together by welding manner and cutter hub, and the adjusting screw is led to
The screwed hole crossed on handle of a knife is connected with handle of a knife.
Cutter hub is provided with 2 helicla flutes, and the angle of angle is 10 ° between helicla flute and horizontal plane, and chip removal effect is good.
Cutter hub is provided with 2 helicla flutes, and the angle of angle is that 15 ° of chip removal effects are good between helicla flute and horizontal plane.
Technical scheme also includes：A kind of processing technology of carbide drill,
The first step：First cutter hub is heat-treated, heat treatment hardness is HRC38 ° -42 °.
Second step：By the carry out continuous grinding cylindrical to cutter hub of centreless grinding equipment, so as to eliminate the change of cutter hub in heat treatment process
Shape, ensure the cutter hub concentricity of postorder processing.
3rd step：First the body portion close to shank end is polished；The processing of screwed hole is carried out to shank end again；Connect
The processing to cone angle in being carried out close to the cutter hub end of apex point so that close to the number of degrees and apex point of the interior cone angle at the cutter hub end of apex point
It is identical that left end cuts degree of a face.
4th step：Carry out the processing of helical flute to cutter hub on CNC milling machine by the disc milling cutter with circular arc, make
The depth and shape all same of two helical flutes of the cutter hub that must be processed.
5th step：After being processed to above-mentioned 4th step, the burr left on cutter hub carries out cleaning work.
6th step：On high-frequency apparatus by filamentary silver solder to cutter hub end face and the hard alloy apex point close to apex point with
The mode of V-shaped weld is welded, and welding temperature must not exceed 680 DEG C, and the cutter hub after welding is immediately placed in incubator and carried out
Case is protected, holding temperature is 300-400 DEG C, and soaking time is 4-6 hours.
7th step：Surface sand-blasting process first is carried out to carbide drill, then carries out spray painting processing.
8th step：Handle of a knife is put into and is processed on centreless grinding.
9th step：Hard alloy apex point is placed on progress peripheral milling processing on cutter cylindrical lapping machine so that hard alloy
The cylindrical accuracy guarantee of apex point is within 0.02mm.
Tenth step：Hard alloy apex point is placed on five-shaft numerical control mill machining center and sharpens processing hard conjunction with clamped one time
The apex point body of golden apex point so that the surface configuration of apex point body is W shapes；Apex point tip is processed again so that in apex point
Chisel edge is processed on tip, then to processing crossed blade on the position at drill bit edge.
11st step：First the carbide drill processed is cleaned, then antirust oil is coated in carbide drill.
12nd step：Adjusting screw is assembled in the screwed hole of handle of a knife, packaging and storage.
The purpose of the present invention, feature and advantage will be further described referring to the drawings in conjunction with the embodiments.Pass through embodiment
It will be helpful to understand the present invention, but do not limit present disclosure.One of ordinary skill in the art can be from disclosed by the invention
All deformations that content is directly exported or associated, are considered as protection scope of the present invention.
Claims (1)
- A kind of 1. processing technology of carbide drill, it is characterised in that：The first step：First cutter hub is heat-treated, heat treatment hardness HRC38-42；Second step：By the carry out continuous grinding cylindrical to cutter hub of centreless grinding equipment, so as to eliminate the deformation of cutter hub in heat treatment process, protect Demonstrate,prove the cutter hub concentricity of postorder processing；3rd step：First the body portion close to shank end is polished；The processing of screwed hole is carried out to shank end again；Then it is right The processing of cone angle in the progress of the cutter hub end of apex point so that close to the number of degrees and apex point left end of the interior cone angle at the cutter hub end of apex point It is identical to cut degree of a face；4th step：Carry out the processing of helical flute to cutter hub on CNC milling machine by the disc milling cutter with circular arc so that add The depth and shape all same of two helical flutes of the cutter hub that work comes out；5th step：After being processed to above-mentioned 4th step, the burr left on cutter hub carries out cleaning work；6th step：On high-frequency apparatus by filamentary silver solder to cutter hub end face and the hard alloy apex point close to apex point with V-arrangement The mode of weld seam is welded, and welding temperature must not exceed 680 DEG C, and the cutter hub after welding, which is immediately placed in incubator, to be protected Temperature, holding temperature are 300-400 DEG C, and soaking time is 4-6 hours；7th step：Surface sand-blasting process first is carried out to carbide drill, then carries out spray painting processing；8th step：Handle of a knife is put into and is processed on centreless grinding；9th step：Hard alloy apex point is placed on progress peripheral milling processing on cutter cylindrical lapping machine so that hard alloy apex point Cylindrical accuracy guarantee is within 0.02mm；Tenth step：Hard alloy apex point is placed on five-shaft numerical control mill machining center with clamped one time sword processing hard alloy apex point Apex point body so that the surface configuration of apex point body is W shapes；Apex point tip is processed again so that on apex point tip Chisel edge is processed, then to processing crossed blade on the position at drill bit edge；11st step：First the carbide drill processed is cleaned, then antirust oil is coated in carbide drill；12nd step：Adjusting screw is assembled in the screwed hole of handle of a knife, packaging and storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961501.0A CN105599074B (en) | 2015-12-21 | 2015-12-21 | A kind of carbide drill and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961501.0A CN105599074B (en) | 2015-12-21 | 2015-12-21 | A kind of carbide drill and its processing technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105599074A CN105599074A (en) | 2016-05-25 |
| CN105599074B true CN105599074B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510961501.0A Active CN105599074B (en) | 2015-12-21 | 2015-12-21 | A kind of carbide drill and its processing technology |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106271490A (en) * | 2016-08-27 | 2017-01-04 | 杭州比诺精密工具有限公司 | The preparation method of rustless steel whole hard alloy tricuspid step drill cutter |
| CN108213474A (en) * | 2017-12-11 | 2018-06-29 | 深圳市鑫运祥精密刀具有限公司 | A kind of carbide bit and welding method |
| CN110757601A (en) * | 2019-11-06 | 2020-02-07 | 湖北鑫运祥科技发展有限公司 | V-shaped diamond shank milling cutter and manufacturing method thereof |
| CN111673403A (en) * | 2020-05-29 | 2020-09-18 | 贵州泰和超硬工具股份有限公司 | Hard alloy twist drill rod grinding process |
| CN112846315A (en) * | 2020-12-31 | 2021-05-28 | 苏州用朴精密科技有限公司 | Hard alloy drill bit and machining process thereof |
Citations (6)
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|---|---|---|---|---|
| DE3626523A1 (en) * | 1986-08-05 | 1988-02-11 | Gustav Weeke Maschinenbau Gmbh | Drill, in particular for drilling wood and wooden materials |
| CN2038041U (en) * | 1988-07-26 | 1989-05-24 | 龚志欣 | Soldering lug type hard alloy carpenter's auger |
| EP1666180A1 (en) * | 2004-12-01 | 2006-06-07 | Union Tool Co. | Drill |
| CN102814532A (en) * | 2012-08-02 | 2012-12-12 | 泰兴市信达克刀具有限公司 | Method of V-shaped welding of solid carbide drill and solid carbide drill thereof |
| CN202804279U (en) * | 2012-08-13 | 2013-03-20 | 泰兴市信达克刀具有限公司 | Embedded sheet type carbide drill for steel pieces |
| CN103692177A (en) * | 2013-06-14 | 2014-04-02 | 哈尔滨汽轮机厂有限责任公司 | Method for machining extension drill |
-
2015
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Patent Citations (6)
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|---|---|---|---|---|
| DE3626523A1 (en) * | 1986-08-05 | 1988-02-11 | Gustav Weeke Maschinenbau Gmbh | Drill, in particular for drilling wood and wooden materials |
| CN2038041U (en) * | 1988-07-26 | 1989-05-24 | 龚志欣 | Soldering lug type hard alloy carpenter's auger |
| EP1666180A1 (en) * | 2004-12-01 | 2006-06-07 | Union Tool Co. | Drill |
| CN102814532A (en) * | 2012-08-02 | 2012-12-12 | 泰兴市信达克刀具有限公司 | Method of V-shaped welding of solid carbide drill and solid carbide drill thereof |
| CN202804279U (en) * | 2012-08-13 | 2013-03-20 | 泰兴市信达克刀具有限公司 | Embedded sheet type carbide drill for steel pieces |
| CN103692177A (en) * | 2013-06-14 | 2014-04-02 | 哈尔滨汽轮机厂有限责任公司 | Method for machining extension drill |
Non-Patent Citations (1)
| Title |
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| 片式（盲孔钻）开孔钻头;绵阳市雅森五金工具有限公司;《http://product.11467.com/info/3557475.htm，顺企网》;20150424;网页产品详细介绍的"制造工艺"部分 * |
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| CN105599074A (en) | 2016-05-25 |
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