CN106216750A - A kind of helical deep hole annular groove cutter - Google Patents

A kind of helical deep hole annular groove cutter Download PDF

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Publication number
CN106216750A
CN106216750A CN201610791744.9A CN201610791744A CN106216750A CN 106216750 A CN106216750 A CN 106216750A CN 201610791744 A CN201610791744 A CN 201610791744A CN 106216750 A CN106216750 A CN 106216750A
Authority
CN
China
Prior art keywords
cutter
annular groove
cutter head
deep hole
blade
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
Application number
CN201610791744.9A
Other languages
Chinese (zh)
Inventor
张永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FENGHUO MACHINE WORKS OF CHINA AEROSPACE SCIENCE AND TECHNOLOGY Corp
Original Assignee
FENGHUO MACHINE WORKS OF CHINA AEROSPACE SCIENCE AND TECHNOLOGY Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FENGHUO MACHINE WORKS OF CHINA AEROSPACE SCIENCE AND TECHNOLOGY Corp filed Critical FENGHUO MACHINE WORKS OF CHINA AEROSPACE SCIENCE AND TECHNOLOGY Corp
Priority to CN201610791744.9A priority Critical patent/CN106216750A/en
Publication of CN106216750A publication Critical patent/CN106216750A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/02Milling-cutters characterised by the shape of the cutter
    • B23C5/10Shank-type cutters, i.e. with an integral shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • B23C3/28Grooving workpieces
    • B23C3/34Milling grooves of other forms, e.g. circumferential
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/006Details of the milling cutter body
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2210/00Details of milling cutters
    • B23C2210/04Angles
    • B23C2210/0485Helix angles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2210/00Details of milling cutters
    • B23C2210/40Flutes, i.e. chip conveying grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)

Abstract

The invention discloses a kind of helical deep hole annular groove cutter, including tubular cutter hub, one end of tubular cutter hub is provided with handle of a knife, the other end is provided with cutter head, the end of cutter head is provided with blade, and the lateral wall of cutter head is provided with spiral discharging groove, and the inwall of tubular cutter hub is provided with at least one lead channel.Deep hole annular groove can be processed by the rotation of cutter head, owing to the inwall of tubular cutter hub is provided with the lead channel entered for coolant, chip can be discharged under the extruding of coolant from spiral discharging groove, therefore can indirectly improve the machining accuracy of deep hole annular groove in time by chip discharge.Wherein can accurately control the width of blade, get final product machine-shaping by a feed, therefore production efficiency is higher.

Description

A kind of helical deep hole annular groove cutter
Technical field
The present invention relates to cutter field, particularly relate to a kind of helical deep hole annular groove cutter.
Background technology
In space equipment and civil equipment field, often use deep hole annular groove class part as described in Figure 1, at annular groove In typically require the corresponding parts of assembling, therefore the inner prop cylindrical in annular groove and annular groove internal control all have tolerance and precision to want Ask.Traditional processing mode of deep hole annular groove is mainly included two kinds:
1, symmetrical casting, after utilizing autogenous grinding cutting knife slightly to cut, then carries out boring to reach tolerance;
2, non-revolved body part, in the place-centric perforating required and mark annular groove roughing line, slightly bores woollen along annular groove After, utilize machining center milling out annular groove and staying certain surplus, finally carry out electricity and wear polish to reach tolerance.
The above processing mode not only process-cycle is long, and cost is high, and cutting region cooling difficulty, tool wear is fast, scraps Rate is high.
Therefore, the most effectively process the deep hole annular groove on part, be those skilled in the art be badly in need of solve technology Problem.
Summary of the invention
It is an object of the invention to provide a kind of helical deep hole annular groove cutter, can effectively process deep hole annular groove, Er Qiejia Work is convenient, and production efficiency is high.
For solving above-mentioned technical problem, the technical scheme is that
A kind of helical deep hole annular groove cutter, including tubular cutter hub, one end of described tubular cutter hub is provided with handle of a knife, and the other end is provided with Cutter head, described cutter head is provided with blade, and the lateral wall of described cutter head is provided with spiral discharging groove, on the inwall of described tubular cutter hub It is provided with at least one lead channel.
Preferably, described cutter head is provided with blade described at least two.
Preferably, described blade is provided with the cylindrical section for machining and shaping.
Preferably, described lead channel be cross section be semicircular lead channel.
Preferably, the medial wall of described cutter head is or/and lateral wall is tapered along described cutter head to the axial direction of described handle of a knife.
Preferably, the medial wall of described cutter head is or/and lateral wall is inverted cone surface.
Preferably, when part to be processed is steel and iron parts, the helical angle of described spiral discharging groove is 15 °~20 °;When being added When work part is non-ferrous metal pieces, the helical angle of described spiral discharging groove is 25 °~30 °, and the degree of depth of described spiral discharging groove is 0.2~0.3 times of described cutter head sidewall times thickness, the axial length of described spiral discharging groove is recessed more than needing the annular processed The degree of depth 15~20mm of groove, its numerical value all includes endpoint value.
Preferably, when the sidewall thickness of described cutter head is not less than 2mm, the radius of described lead channel is 1~1.5mm;When When the sidewall thickness of described cutter head is not more than 1.5mm, the radius of described lead channel is 0.5~1mm, when there being two described lead channel Time, described lead channel is symmetrical arranged, and the angle of the end of described lead channel and described blade is 45 °.
Preferably, when the thickness of described cutter head is not less than 2mm, the groove depth of described blade is 2~2.5mm, when described cutter When the thickness of head is not more than 1mm, the groove depth of described blade is 1~1.5mm;
When part to be processed is steel and iron parts, the anterior angle of described blade is 6 °~8 °, when part to be processed is non-ferrous metal During part, the anterior angle of described blade is 3 °~5 °;
When part to be processed part is steel and iron parts, the first relief angle of described blade is 8 °~10 °, when part to be processed is for having During non-ferrous metal, the first relief angle of described blade is 12 °~15 °, and the second relief angle of described blade is more than described first relief angle, described Angle between bottom land and the radial direction of described cutter head of blade is 25 °.
Preferably, the diameter of described handle of a knife is more than the diameter of described cutter head.
Compared with prior art, technique scheme has the advantage that
A kind of helical deep hole annular groove cutter provided by the present invention, including tubular cutter hub, one end of tubular cutter hub is provided with handle of a knife, The other end is provided with cutter head, and the end of cutter head is provided with blade, and the lateral wall of cutter head is provided with spiral discharging groove, the inwall of tubular cutter hub It is provided with at least one lead channel.Deep hole annular groove can be processed, owing to setting on the inwall of tubular cutter hub by the rotation of cutter head Having the lead channel entered for coolant, chip can be discharged under the extruding of coolant from spiral discharging groove, the most permissible In time by chip discharge, indirectly improve the machining accuracy of deep hole annular groove.Wherein can accurately control the width of blade, logical Crossing a feed and get final product machine-shaping, therefore production efficiency is higher.
Accompanying drawing explanation
In order to be illustrated more clearly that the present invention or technical scheme of the prior art, below will be to embodiment or prior art In description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is some of the present invention Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to attached according to these Figure obtains other accompanying drawing.
Fig. 1 is the structural representation of a kind of part with deep hole annular groove of the prior art;
The main TV structure signal of a kind of helical deep hole annular groove cutter that Fig. 2 is provided by a kind of detailed description of the invention of the present invention Figure;
Fig. 3 is that in Fig. 2, the master of helical deep hole annular groove cutter regards sectional structure schematic diagram;
Fig. 4 is the left view structural representation of helical deep hole annular groove cutter in Fig. 2;
Fig. 5 is the B direction structure schematic diagram in Fig. 4.
Reference is as follows:
1 is deep hole annular groove, and 2 is handle of a knife, and 21 is lead channel, and 3 is cutter head, and 31 is cylindrical section, and 32 is blade, and 33 go out for spiral Hopper.
Detailed description of the invention
The most as described in the background section, current tool sharpening deep hole annular groove not only efficiency is low, and precision is relatively low, report Useless rate is high.
On the basis of the studies above, embodiments provide a kind of helical deep hole annular groove cutter, by cutter head Rotation can process deep hole annular groove, and owing to the inwall of tubular cutter hub is provided with the lead channel entered for coolant, chip is i.e. Can discharge from spiral discharging groove under the extruding of coolant, therefore indirectly can improve deep in time by chip discharge The machining accuracy of orifice ring groove.Wherein can accurately control the width of blade, get final product machine-shaping by a feed, therefore produce Efficiency is higher.
Understandable, below in conjunction with the accompanying drawings to this in order to enable the above-mentioned purpose of the present invention, feature and advantage to become apparent from Bright detailed description of the invention is described in detail.
Elaborate detail in the following description so that fully understanding the present invention.But the present invention can with multiple not Being same as alternate manner described here to implement, those skilled in the art can do class in the case of intension of the present invention Like promoting.Therefore the present invention is not limited by following public detailed description of the invention.
Refer to the structural representation that Fig. 1-Fig. 5, Fig. 1 are a kind of part with deep hole annular groove of the prior art;Fig. 2 Main TV structure schematic diagram by a kind of helical deep hole annular groove cutter that a kind of detailed description of the invention of the present invention is provided;Fig. 3 is in Fig. 2 The master of helical deep hole annular groove cutter regards sectional structure schematic diagram;Fig. 4 is the left view structural representation of helical deep hole annular groove cutter in Fig. 2; Fig. 5 is the B direction structure schematic diagram in Fig. 4.
A kind of detailed description of the invention of the present invention provides a kind of helical deep hole annular groove cutter, including tubular cutter hub, tubular cutter One end of body is provided with handle of a knife 2, and the other end is provided with cutter head 3, and the end of cutter head 3 is provided with blade 32, and the lateral wall of cutter head 3 is provided with spiral shell Screwing out hopper 33, the inwall of tubular cutter hub is provided with at least one lead channel 21.
In the present embodiment, deep hole annular groove 1 as shown in Figure 1 can be processed by the rotation of cutter head 3, due to tubular cutter The inwall of body is provided with the lead channel 21 entered for coolant, and chip can be from spiral discharging groove 33 under the extruding of coolant Middle discharge, therefore can improve the machining accuracy of deep hole annular groove 1 in time by chip discharge indirectly.Wherein can be accurate Controlling the width of blade 32, get final product machine-shaping by a feed, therefore production efficiency is higher.Wherein coolant is the coldest But oil.
In order to ensure that circular groove cutter has enough intensity, cutter head 3 to be provided with at least two blade 32, the most preferably two Blade 32, is on the one hand easy to manufacture, is on the other hand easy to safeguard.
Further, blade 32 is provided with the cylindrical section 31 for machining and shaping.When processing annular groove by blade 32, can Machined region is carried out shaping by cylindrical section 31, the processing of annular groove therefore can be effectively improved by cylindrical section 31 Precision, the axial dimension of its middle cylindrical section 31 is preferably 1.5~2.0mm.
Further, lead channel 21 preferably cross section is semicircular lead channel.Can certainly be selected other Shape, this is not specifically limited by the present embodiment.
In order to avoid cutter head 3 abrades the machined surface of deep hole annular groove 1, the medial wall of cutter head 3 is or/and lateral wall is along cutter head 3 Tapered to the axial direction of handle of a knife 2.Wherein can be in the medial wall of cutter head 3 or/and lateral wall arrange inverted cone surface, the tool of its back taper Body tapering and axial length specifically depend on the circumstances, and this is not limited by the present embodiment.
The helixangleβ size of annular groove cutter is set according to processed material, when part to be processed is steel and iron parts, and spiral shell The helixangleβ screwing out hopper 33 is 15 °~20 °;When part to be processed is non-ferrous metal pieces, the helical angle of spiral discharging groove 33 β is 25 °~30 °, and the degree of depth of spiral discharging groove 33 is 0.2~0.3 times of cutter head 3 sidewall thickness, spiral discharging groove 33 axial The degree of depth 15~20mm of the annular groove that length processes more than needs, its numerical value all includes endpoint value.
Wherein, when the sidewall thickness of cutter head 3 is not less than 2mm, the radius of lead channel 21 is 1~1.5mm;When cutter head 3 When sidewall thickness is not more than 1.5mm, the radius of lead channel 21 is 0.5~1mm, and when there being two lead channel 21, lead channel 21 is right Claim to arrange, and the angle of the end of lead channel 21 and blade 32 is 45 °.
It addition, when cutter head 3 thickness not less than 2mm time, the groove depth of blade 32 is 2~2.5mm, when cutter head 3 thickness not During more than 1mm, the groove depth of blade 32 is 1~1.5mm;When part to be processed is steel and iron parts, the anterior angle of blade 32 is 6 °~8 °, When part to be processed is non-ferrous metal pieces, the anterior angle of blade 32 is 3 °~5 °;When part to be processed is steel and iron parts, blade 32 The first relief angle α1It is 8 °~10 °, when part to be processed is non-ferrous metal, the first relief angle α of blade 321It is 12 °~15 °, cutter Second relief angle α of sword 322More than the first relief angle α1, the most preferably by the second relief angle α2Elect 30 ° as, additionally the bottom land of blade 32 with Angle between the radial direction of cutter head 3 is 25 °, naturally it is also possible to be chosen for other angle value according to practical situation.
In order to improve the intensity of the helical deep hole annular groove cutter that above-described embodiment is provided, the diameter of handle of a knife 2 can be set to Diameter more than cutter head 3.
Above a kind of helical deep hole annular groove cutter provided by the present invention is described in detail.Used herein specifically Principle and the embodiment of the present invention are set forth by individual example, and the explanation of above example is only intended to help and understands the present invention Core concept.It should be pointed out that, for those skilled in the art, in the premise without departing from the principle of the invention Under, it is also possible to the present invention is carried out some improvement and modification, and these improve and modify the protection also falling into the claims in the present invention In the range of.

Claims (10)

1. a helical deep hole annular groove cutter, it is characterised in that include that tubular cutter hub, one end of described tubular cutter hub are provided with handle of a knife, The other end is provided with cutter head, and the end of described cutter head is provided with blade, and the lateral wall of described cutter head is provided with spiral discharging groove, described cylinder The inwall of shape cutter hub is provided with at least one lead channel.
Helical deep hole annular groove cutter the most according to claim 1, it is characterised in that described cutter head is provided with described at least two Blade.
Helical deep hole annular groove cutter the most according to claim 2, it is characterised in that described blade is provided with for machining and shaping Cylindrical section.
Helical deep hole annular groove cutter the most according to claim 3, it is characterised in that described lead channel be cross section be semicircle Lead channel.
Helical deep hole annular groove cutter the most according to claim 4, it is characterised in that the medial wall of described cutter head is or/and outside Wall is tapered along described cutter head to the axial direction of described handle of a knife.
Helical deep hole annular groove cutter the most according to claim 5, it is characterised in that the medial wall of described cutter head is or/and outside Wall is inverted cone surface.
Helical deep hole annular groove cutter the most according to claim 6, it is characterised in that when part to be processed is steel and iron parts, institute The helical angle stating spiral discharging groove is 15 °~20 °;When part to be processed is non-ferrous metal pieces, the spiral shell of described spiral discharging groove Swing angle is 25 °~30 °, and the degree of depth of described spiral discharging groove is 0.2~0.3 times of described cutter head sidewall times thickness, described spiral The degree of depth 15~20mm of the annular groove that the axial length of blow tank processes more than needs, its numerical value all includes endpoint value.
Helical deep hole annular groove cutter the most according to claim 7, it is characterised in that when the sidewall thickness of described cutter head is not less than During 2mm, the radius of described lead channel is 1~1.5mm;When the sidewall thickness of described cutter head is not more than 1.5mm, described lead channel Radius be 0.5~1mm, when there being two described lead channel, described lead channel is symmetrical arranged, and described lead channel and described cutter The angle of the end of sword is 45 °.
Helical deep hole annular groove cutter the most according to claim 8, it is characterised in that
When the thickness of described cutter head is not less than 2mm, the groove depth of described blade is 2~2.5mm, when the thickness of described cutter head is little When 1mm, the groove depth of described blade is 1~1.5mm;
When part to be processed is steel and iron parts, the anterior angle of described blade is 6 °~8 °, when part to be processed is non-ferrous metal pieces, The anterior angle of described blade is 3 °~5 °;
When part to be processed part is steel and iron parts, the first relief angle of described blade is 8 °~10 °, when part to be processed is for there being coloured gold During genus, the first relief angle of described blade is 12 °~15 °, and the second relief angle of described blade is more than described first relief angle, described blade Bottom land and the radial direction of described cutter head between angle be 25 °.
10. according to the helical deep hole annular groove cutter described in any one of claim 1 to 9, it is characterised in that the diameter of described handle of a knife is big Diameter in described cutter head.
CN201610791744.9A 2016-08-31 2016-08-31 A kind of helical deep hole annular groove cutter Pending CN106216750A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109482913A (en) * 2018-07-13 2019-03-19 中国航空工业集团公司济南特种结构研究所 A kind of inner conical surface process tool of the anti-weathering cap of radome

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472595A (en) * 1978-07-31 1979-06-11 Hitachi Ltd Core drill
US5078605A (en) * 1988-12-02 1992-01-07 Institut Straumann Ag Device for the treatment of a bone, particularly a jaw bone, and/or tooth
CN2377029Y (en) * 1999-05-28 2000-05-10 朱虎林 Multiple-cutting-edge steel plate drill
WO2007049020A2 (en) * 2005-10-24 2007-05-03 C4 Carbides Limited Drill bit
CN201030448Y (en) * 2006-10-26 2008-03-05 中国有色金属工业十一冶安装工程公司金属容器结构厂 Hollow boring bit
CN201493517U (en) * 2009-04-17 2010-06-02 上海钻圣和新材料科技有限公司 Diamond thin-wall drill bit
CN103658771A (en) * 2013-11-29 2014-03-26 河南省蓝剑工具科技有限公司 Machine clamp hard alloy jacking drill bit
CN104827099A (en) * 2015-05-26 2015-08-12 启东市吕四科技创业中心有限公司 Lengthened type hollow drill bit special for steel plates and capable of improving efficiency
CN206065512U (en) * 2016-08-31 2017-04-05 中国航天科技集团公司烽火机械厂 A kind of helical deep hole annular groove knife

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472595A (en) * 1978-07-31 1979-06-11 Hitachi Ltd Core drill
US5078605A (en) * 1988-12-02 1992-01-07 Institut Straumann Ag Device for the treatment of a bone, particularly a jaw bone, and/or tooth
CN2377029Y (en) * 1999-05-28 2000-05-10 朱虎林 Multiple-cutting-edge steel plate drill
WO2007049020A2 (en) * 2005-10-24 2007-05-03 C4 Carbides Limited Drill bit
CN201030448Y (en) * 2006-10-26 2008-03-05 中国有色金属工业十一冶安装工程公司金属容器结构厂 Hollow boring bit
CN201493517U (en) * 2009-04-17 2010-06-02 上海钻圣和新材料科技有限公司 Diamond thin-wall drill bit
CN103658771A (en) * 2013-11-29 2014-03-26 河南省蓝剑工具科技有限公司 Machine clamp hard alloy jacking drill bit
CN104827099A (en) * 2015-05-26 2015-08-12 启东市吕四科技创业中心有限公司 Lengthened type hollow drill bit special for steel plates and capable of improving efficiency
CN206065512U (en) * 2016-08-31 2017-04-05 中国航天科技集团公司烽火机械厂 A kind of helical deep hole annular groove knife

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109482913A (en) * 2018-07-13 2019-03-19 中国航空工业集团公司济南特种结构研究所 A kind of inner conical surface process tool of the anti-weathering cap of radome

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Address after: 611130 Changan Road, Liucheng, Wenjiang District, Chengdu, Sichuan Province, No. 198

Applicant after: Sichuan Aerospace beacon Servo Control Technology Co., Ltd.

Address before: 611100 Liucheng Road, Wenjiang, Sichuan, No. Changan Road, No. 198

Applicant before: Fenghuo Machine Works of China Aerospace Science and Technology Corporation

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Application publication date: 20161214