CN107755757A - The integral type drilling and tapping cutter and its manufacture method of a kind of high manufacturing accuracy - Google Patents
The integral type drilling and tapping cutter and its manufacture method of a kind of high manufacturing accuracy Download PDFInfo
- Publication number
- CN107755757A CN107755757A CN201610676547.2A CN201610676547A CN107755757A CN 107755757 A CN107755757 A CN 107755757A CN 201610676547 A CN201610676547 A CN 201610676547A CN 107755757 A CN107755757 A CN 107755757A
- Authority
- CN
- China
- Prior art keywords
- integral type
- shank
- cutter
- screw tap
- type drilling
- 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
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/20—Thread-cutting tools; Die-heads combined with other tools, e.g. drills
-
- 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
- B23P15/48—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools threading tools
Abstract
The integral type drilling and tapping cutter and its manufacture method of a kind of high manufacturing accuracy, belong to machining apparatus technical field, are made up of working portion and shank；Working portion is by bit part, screw tap part and chip area collectively form, bit part is in the front end of integral type drilling and tapping cutter, screw tap part, which is in the middle part of integral type drilling and tapping cutter and linked up with bit part, to connect, chip area is coherent to be arranged on bit part and screw tap part surface, between screw tap part and shank cutter groove is allowed provided with one section, shank is in honest hexa-prism, three positioning holes are provided with the prism side of shank, during use using steel ball positioning action in clamping device in positioning hole, increase considerably chucking power of the integral type cutter in fixture, the state of clamping is more stable, reduce rocking for integral type cutter work in-process, positioning precision and machining accuracy have obtained significant raising, improve the production efficiency of drilling and tapping.
Description
Technical field
The invention belongs to machining apparatus technical field, is related to a kind of machine tool and its manufacture method, specifically
It is the integral type drilling and tapping cutter and its manufacture method for being related to a kind of high manufacturing accuracy.
Background technology
Drilling and tapping are a kind of processing modes relatively conventional in machining, and common drill bit is to be drilled, reaming
Or the machining of spot-facing；And for the internal thread of small size, silk dimension is almost unique process tool.Usual drilling and
Tapping is one in front and one in back completed as two single processes, is needed to remove on drill bit after drilling is completed and is again loaded onto screw tap, and one
Aspect, in practical operation, because drill bit and screw tap clamp unstable in clamper, the axial and circumferential of drill bit and screw tap are equal
Small displacement can be produced, rocking and beating for drill bit and screw tap is easily caused, on the other hand because drill bit and screw tap are inherently deposited
In coaxiality error, the cutter dismounting for processing midway easily forms accumulated error, and not only manufacturing procedure is complicated, its machining accuracy
Receive strong influence.
The content of the invention
The deficiencies of present invention separates poor caused machining accuracy, complex procedures for conventional borehole, tapping procedures, proposes one
The integral type drilling and tapping cutter and its manufacture method of kind high manufacturing accuracy, can increase considerably drill bit and screw tap in fixture
Chucking power, the precision of drilling and tapping can be improved, drilling and the processing efficiency of tapping also can obtain effective raising.
Technical scheme：A kind of integral type drilling and tapping cutter of high manufacturing accuracy, it is characterised in that：Described one
Body formula drilling and tapping cutter is made up of working portion and shank；The working portion is by bit part, screw tap part and chip area
Collectively form, the bit part is in the front end of the integral type drilling and tapping cutter, and the screw tap part is in described one
The middle part of body formula drilling and tapping cutter and with the bit part is coherent connects, the chip area is coherent be arranged on bit part and
Screw tap part surface, cutter groove being allowed provided with one section between the screw tap part and the shank, the shank is in honest hexa-prism,
Three positioning holes are provided with the prism side of the shank, the positioning hole is mutually 120 ° of distributions, institute on honest six prismatic surface
State the flat blind hole that positioning hole carries chamfering for aperture.
The chip area is helicla flute, and chip area is mutually 180 ° of settings, and the lead angle of chip area is 30 °.
A diameter of 8.5mm of the bit part, length 21mm.
A diameter of 10mm of the screw tap part, length 25mm.
The groover rot diameter for allowing cutter groove is 8.4mm, length 18mm.
The circumscribed circle diameter of honest six prism of shank is 12.5mm, length 29mm.
The aperture of the positioning hole is 3~6mm, and hole depth is 1.5~3.5mm, and orifice chamfer is 0.4 × 45 °.
The distance of the Kong Xinzhi shanks end face of the positioning hole is 12~15mm.
The manufacture method of the integral type drilling and tapping cutter of a kind of high manufacturing accuracy, it is characterised in that prepared including following
Step：
(1) blanking：φ13×93mm；
(2) it is segmented turning：
(2-1) car bit part：φ8.8×21mm；
(2-2) thread wimble fraction：φ10.3×25mm；
(2-3) car is by cutter groove：φ8.4×18mm；
(2-4) car shank：φ12.7×29mm；
(3) Milling Machining：
(3-1) milling shank hex surface：Corresponding surface diameter
(3-2) milling positioning hole：A positioning hole is processed every 120 ° on hex surface, bore dia is φ 5, and hole depth is
2.5mm, bottom hole are flat, 0.4 × 45 ° of orifice chamfer, and the distance of the positioning hole hole heart to shank end face is 14mm；
(4) it is heat-treated：Overall vacuum quenching is carried out, the hardness for quenching acquisition is HRC62-65；
(5) peripheral milling
(5-1) crusher drill part：
(5-2) grinds screw tap part：
(5-3) grinds shank：
(6) helicla flute is ground：Lead angle is 30 °, and spiral groove bar number is 2；
(7) grind one's teeth in sleep：Grind the screw tap that specification is M10 × 1.5mm；
(8) screw tap front opening：Opening size is 8.3 × 4.5mm of φ；
(9) bit part clear side：Cutting edge is ground, reduces Tool in Cutting resistance；
(10) bit part opening：Opening angle is 135 ° ± 5 °；
(11) to bit part, screw tap part and allow cutter groove part carry out ti coat on diamond processing；
(12) shank mill white is handled；
(13) laser is typewrited；
(14) finished product outbound.
Beneficial effects of the present invention are：A kind of integral type drilling and tapping cutter of high manufacturing accuracy proposed by the present invention and its
Manufacture method, rational in infrastructure, operation principle is clear, and whole cutter is collectively constituted by drill bit, screw tap and shank, and shank is positive six rib
Post, three flat blind holes for being mutually 120 ° are provided with positive six prismsby surface, utilize steel ball in clamping device to position during use
Act in positioning hole, increase considerably chucking power of the integral type cutter in fixture, the state of clamping is more stable, reduces
Integral type cutter work in-process rocks, and positioning precision and machining accuracy have obtained significant raising, improves drilling and tapping
Production efficiency.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is main structure diagram of the present invention.
Fig. 3 is left side structure schematic diagram of the present invention.
Fig. 4 is the removal end view drawing in A-A directions in Fig. 2.
In figure：Bit part 1, chip area 2, screw tap part 3, allow cutter groove 4, shank 5, positioning hole 6.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As Figure 1-4, the integral type drilling and tapping cutter of a kind of high manufacturing accuracy, integral type drilling and tapping cutter is by work
Make part and shank 5 forms；Working portion is collectively formed by bit part 1, screw tap part 3 and chip area 2, at bit part 1
In the front end of integral type drilling and tapping cutter, screw tap part 3 be in the middle part of integral type drilling and tapping cutter and with bit part 1
Coherent to connect, chip area 2 is coherent to be arranged on bit part 1 and the surface of screw tap part 3, and one is provided between screw tap part 3 and shank 5
Section allows cutter groove 4, and shank 5 is in honest hexa-prism, is provided with three positioning holes 6 on the prism side of shank 5, positioning hole 6 is honest
120 ° of distributions are mutually on six prismatic surfaces, positioning hole 6 is the flat blind hole that aperture carries chamfering.
As Figure 1-4, the integral type drilling and tapping cutter of a kind of high manufacturing accuracy, chip area 2 are helicla flute, chip area
2 are mutually 180 ° of settings, and the lead angle of chip area 2 is 30 °；A diameter of 8.5mm of bit part 1, length 21mm；Screw tap portion
Divide 3 a diameter of 10mm, length 25mm；The groover rot diameter of cutter groove 4 is allowed to be 8.4mm, length 18mm；Honest six rib of shank 5
The circumscribed circle diameter of post is 12.5mm, length 29mm；The aperture of positioning hole 6 is 3~6mm, is preferentially selected in the present embodiment
5mm, hole depth are 1.5~3.5mm, and 2.5mm is preferentially selected in the present embodiment, and orifice chamfer is 0.4 × 45 °；The hole heart of positioning hole 6
Distance to the end face of shank 5 is 12~15mm, and preferentially 14mm is selected in the present embodiment.
As Figure 1-4, the manufacture method of the integral type drilling and tapping cutter of a kind of high manufacturing accuracy, including following preparation
Step：
(1) blanking：φ13×93mm；
(2) it is segmented turning：
(2-1) car bit part：φ8.8×21mm；
(2-2) thread wimble fraction：φ10.3×25mm；
(2-3) car is by cutter groove：φ8.4×18mm；
(2-4) car shank：φ12.7×29mm；
(3) Milling Machining：
(3-1) milling shank hex surface：Corresponding surface diameter
(3-2) milling positioning hole：A positioning hole is processed every 120 ° on hex surface, bore dia is φ 5, and hole depth is
2.5mm, bottom hole are flat, 0.4 × 45 ° of orifice chamfer, and the distance of the positioning hole hole heart to shank end face is 14mm；
(4) it is heat-treated：Overall vacuum quenching is carried out, the hardness for quenching acquisition is HRC62-65；
(5) peripheral milling
(5-1) crusher drill part：
(5-2) grinds screw tap part：
(5-3) grinds shank：
(6) helicla flute is ground：Lead angle is 30 °, and spiral groove bar number is 2；
(7) grind one's teeth in sleep：Grind the screw tap that specification is M10 × 1.5mm；
(8) screw tap front opening：Opening size is 8.3 × 4.5mm of φ；
(9) bit part clear side：Cutting edge is ground, reduces Tool in Cutting resistance；
(10) bit part opening：Opening angle is 135 ° ± 5 °；
(11) to bit part, screw tap part and allow cutter groove part carry out ti coat on diamond processing；
(12) shank mill white is handled；
(13) laser is typewrited；
(14) finished product outbound.
The integral type drilling and tapping cutter and its manufacture method of a kind of high manufacturing accuracy proposed by the present invention, it is rational in infrastructure,
Operation principle is clear, and whole cutter is collectively constituted by drill bit, screw tap and shank, and shank is positive six prismsby, on positive six prismsby surface
Three flat blind holes for being mutually 120 ° are provided with, during use using steel ball positioning action in clamping device in positioning hole, greatly
Amplitude increases chucking power of the integral type cutter in fixture, and the state of clamping is more stable, reduces integral type cutter and is processing
In rock, positioning precision and machining accuracy have obtained significant raising, improve drilling and tapping production efficiency.
Claims (9)
- A kind of 1. integral type drilling and tapping cutter of high manufacturing accuracy, it is characterised in that：The integral type drilling and tapping cutter by Working portion and shank (5) composition；The working portion is by bit part (1), screw tap part (3) and chip area (2) common structure Into the bit part (1) is in the front end of the integral type drilling and tapping cutter, and the screw tap part (3) is in described one The middle part of body formula drilling and tapping cutter and with the bit part (1) is coherent connects, the chip area (2) is coherent to be arranged on drill bit Partly (1) and screw tap part (3) surface, allow cutter groove (4) provided with one section between the screw tap part (3) and the shank (5), institute It is in honest hexa-prism to state shank (5), and three positioning holes (6), the positioning hole are provided with the prism side of the shank (5) (6) 120 ° of distributions are mutually on honest six prismatic surface, the positioning hole (6) is the flat blind hole that aperture carries chamfering.
- A kind of 2. integral type drilling and tapping cutter of high manufacturing accuracy according to claim 1, it is characterised in that：The row Bits groove (2) is helicla flute, and chip area (2) is mutually 180 ° of settings, and the lead angle of chip area (2) is 30 °.
- A kind of 3. integral type drilling and tapping cutter of high manufacturing accuracy according to claim 1, it is characterised in that：The brill A diameter of 8.5mm, length 21mm on head point (1).
- A kind of 4. integral type drilling and tapping cutter of high manufacturing accuracy according to claim 1, it is characterised in that：The silk A diameter of 10mm of wimble fraction (3), length 25mm.
- A kind of 5. integral type drilling and tapping cutter of high manufacturing accuracy according to claim 1, it is characterised in that：It is described to allow The groover rot diameter of cutter groove (4) is 8.4mm, length 18mm.
- A kind of 6. integral type drilling and tapping cutter of high manufacturing accuracy according to claim 1, it is characterised in that：The handle The circumscribed circle diameter of honest six prism in portion (5) is 12.5mm, length 29mm.
- A kind of 7. integral type drilling and tapping cutter of high manufacturing accuracy according to claim 1, it is characterised in that：It is described fixed The aperture in position hole (6) is 3~6mm, and hole depth is 1.5~3.5mm, and orifice chamfer is 0.4 × 45 °.
- A kind of 8. integral type drilling and tapping cutter of high manufacturing accuracy according to claim 1, it is characterised in that：It is described fixed The distance of Kong Xinzhi shanks (5) end face in position hole (6) is 12~15mm.
- 9. the manufacture method of the integral type drilling and tapping cutter of a kind of high manufacturing accuracy, it is characterised in that prepare step including following Suddenly：(1) blanking：φ13×93mm；(2) it is segmented turning：(2-1) car bit part：φ8.8×21mm；(2-2) thread wimble fraction：φ10.3×25mm；(2-3) car is by cutter groove：φ8.4×18mm；(2-4) car shank：φ12.7×29mm；(3) Milling Machining：(3-1) milling shank hex surface：Corresponding surface diameter(3-2) milling positioning hole：A positioning hole is processed every 120 ° on hex surface, bore dia is φ 5, hole depth 2.5mm, hole Bottom is flat, 0.4 × 45 ° of orifice chamfer, and the distance of the positioning hole hole heart to shank end face is 14mm；(4) it is heat-treated：Overall vacuum quenching is carried out, the hardness for quenching acquisition is HRC62-65；(5) peripheral milling(5-1) crusher drill part：(5-2) grinds screw tap part：(5-3) grinds shank：(6) helicla flute is ground：Lead angle is 30 °, and spiral groove bar number is 2；(7) grind one's teeth in sleep：Grind the screw tap that specification is M10 × 1.5mm；(8) screw tap front opening：Opening size is 8.3 × 4.5mm of φ；(9) bit part clear side：Cutting edge is ground, reduces Tool in Cutting resistance；(10) bit part opening：Opening angle is 135 ° ± 5 °；(11) to bit part, screw tap part and allow cutter groove part carry out ti coat on diamond processing；(12) shank mill white is handled；(13) laser is typewrited；(14) finished product outbound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676547.2A CN107755757A (en) | 2016-08-15 | 2016-08-15 | The integral type drilling and tapping cutter and its manufacture method of a kind of high manufacturing accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676547.2A CN107755757A (en) | 2016-08-15 | 2016-08-15 | The integral type drilling and tapping cutter and its manufacture method of a kind of high manufacturing accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107755757A true CN107755757A (en) | 2018-03-06 |
Family
ID=61260950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610676547.2A Pending CN107755757A (en) | 2016-08-15 | 2016-08-15 | The integral type drilling and tapping cutter and its manufacture method of a kind of high manufacturing accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107755757A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872801A (en) * | 2021-01-19 | 2021-06-01 | 石红利 | Drilling and tapping equipment for machining motor shell |
| CN113414594A (en) * | 2021-05-21 | 2021-09-21 | 北京理工大学 | Drilling, grinding and rolling composite BTA tool for deep hole machining and manufacturing method |
| CN115041733A (en) * | 2022-07-13 | 2022-09-13 | 北京新风航天装备有限公司 | Tool and method for quickly repairing aluminum alloy threaded through hole thread sliding teeth under battlefield conditions |
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|---|---|---|---|---|
| EP1454696A1 (en) * | 2003-03-05 | 2004-09-08 | Reiner Quanz | Thread forming tap |
| CN2640670Y (en) * | 2003-08-28 | 2004-09-15 | 周建国 | Bit tap |
| CN2686778Y (en) * | 2004-03-26 | 2005-03-23 | 上海申利螺纹工具有限公司 | Composite tap |
| CN2806006Y (en) * | 2005-07-21 | 2006-08-16 | 左树年 | Highly efficient boring and tapping tool |
| CN201432154Y (en) * | 2009-06-22 | 2010-03-31 | 铠钜科技股份有限公司 | Internal threading tool |
| CN201871958U (en) * | 2010-11-09 | 2011-06-22 | 廖大萍 | flatted handle tool |
| CN103100854A (en) * | 2012-12-28 | 2013-05-15 | 铜陵市霞飞新材料有限责任公司 | Countersunk threaded hole machining device with once-forming achievable |
| CN202963682U (en) * | 2012-12-10 | 2013-06-05 | 常州市海钢工具厂(普通合伙) | Cutter used for machining of threaded hole |
| CN204122869U (en) * | 2014-09-15 | 2015-01-28 | 台州华达工量具制造有限公司 | A kind of combined tap and drill |
| CN205888177U (en) * | 2016-08-15 | 2017-01-18 | 扬州市实力五金工具工贸有限公司 | Integral type drilling and tapping cutter of high pressure heater worker precision |
-
2016
- 2016-08-15 CN CN201610676547.2A patent/CN107755757A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1454696A1 (en) * | 2003-03-05 | 2004-09-08 | Reiner Quanz | Thread forming tap |
| CN2640670Y (en) * | 2003-08-28 | 2004-09-15 | 周建国 | Bit tap |
| CN2686778Y (en) * | 2004-03-26 | 2005-03-23 | 上海申利螺纹工具有限公司 | Composite tap |
| CN2806006Y (en) * | 2005-07-21 | 2006-08-16 | 左树年 | Highly efficient boring and tapping tool |
| CN201432154Y (en) * | 2009-06-22 | 2010-03-31 | 铠钜科技股份有限公司 | Internal threading tool |
| CN201871958U (en) * | 2010-11-09 | 2011-06-22 | 廖大萍 | flatted handle tool |
| CN202963682U (en) * | 2012-12-10 | 2013-06-05 | 常州市海钢工具厂(普通合伙) | Cutter used for machining of threaded hole |
| CN103100854A (en) * | 2012-12-28 | 2013-05-15 | 铜陵市霞飞新材料有限责任公司 | Countersunk threaded hole machining device with once-forming achievable |
| CN204122869U (en) * | 2014-09-15 | 2015-01-28 | 台州华达工量具制造有限公司 | A kind of combined tap and drill |
| CN205888177U (en) * | 2016-08-15 | 2017-01-18 | 扬州市实力五金工具工贸有限公司 | Integral type drilling and tapping cutter of high pressure heater worker precision |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872801A (en) * | 2021-01-19 | 2021-06-01 | 石红利 | Drilling and tapping equipment for machining motor shell |
| CN113414594A (en) * | 2021-05-21 | 2021-09-21 | 北京理工大学 | Drilling, grinding and rolling composite BTA tool for deep hole machining and manufacturing method |
| CN115041733A (en) * | 2022-07-13 | 2022-09-13 | 北京新风航天装备有限公司 | Tool and method for quickly repairing aluminum alloy threaded through hole thread sliding teeth under battlefield conditions |
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| PB01 | Publication | ||
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Application publication date: 20180306 |