CN106112085A - A kind of quick-changing type high accuracy cutter block and processing method thereof - Google Patents

A kind of quick-changing type high accuracy cutter block and processing method thereof Download PDF

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Publication number
CN106112085A
CN106112085A CN201610774749.0A CN201610774749A CN106112085A CN 106112085 A CN106112085 A CN 106112085A CN 201610774749 A CN201610774749 A CN 201610774749A CN 106112085 A CN106112085 A CN 106112085A
Authority
CN
China
Prior art keywords
cutting edge
processing
knife
handle
location division
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
CN201610774749.0A
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Chinese (zh)
Inventor
李振丰
奚旭东
孔小波
张明敏
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.)
Antimony (suzhou) Precision Tool Ltd By Share Ltd
Original Assignee
Antimony (suzhou) Precision Tool Ltd By Share Ltd
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 Antimony (suzhou) Precision Tool Ltd By Share Ltd filed Critical Antimony (suzhou) Precision Tool Ltd By Share Ltd
Priority to CN201610774749.0A priority Critical patent/CN106112085A/en
Publication of CN106112085A publication Critical patent/CN106112085A/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
    • B23C5/16Milling-cutters characterised by physical features other than shape
    • B23C5/20Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
    • B23C5/22Securing arrangements for bits or teeth or cutting inserts
    • B23C5/2204Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/28Features relating to lubricating or cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/34Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools milling cutters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2210/00Details of milling cutters
    • B23C2210/20Number of cutting edges
    • B23C2210/203Number of cutting edges four

Abstract

A kind of quick-changing type high accuracy cutter block of the present invention and processing method thereof, including cutter head and handle of a knife, described cutter head is followed successively by cutting edge from end to afterbody, chip area, empty avoiding position, high speed steel substrate, the quantity of described cutting edge is 4 and is symmetricly set on cutter head end two-by-two, chip area is between two cutting edges, described cutting edge includes cutting edge I, cutting edge II, cutting edge III, cutting edge II is arranged between cutting edge I and cutting edge III, empty avoiding is arranged on after cutting edge II, empty avoiding position and high speed steel substrate are fixed by high-temperature soldering, it is provided with inside described high speed steel substrate and axially positions hole, screwed hole and radially location division, axially hole, location is arranged on screwed hole front end, described handle of a knife front end is provided with the screw rod closed with corresponding threaded holes.The present invention is designed by interchangeable structure, saves the processing materials of cutter, and economy is strong, and location division is designed, and is conducive to improving the precision of resetting, adds Rapid replacing cutter efficiency.

Description

A kind of quick-changing type high accuracy cutter block and processing method thereof
Technical field
The present invention relates to tooling cost field, particularly relate to a kind of quick-changing type high accuracy cutter block and processing side thereof Method.
Background technology
Existing cutter includes that cutter head and handle of a knife two parts, cutter head and handle of a knife are typically become by welding fabrication or one Type, no matter which kind of form, be required for after tool bit abrasion changing cutter, and handle of a knife be intact, causes the waste of cutter, and For ensure processing workpiece properly functioning, need often to change cutter, this result in cutter resource can not Appropriate application, be processed into Originally increase.
Along with the requirement of tool sharpening low cost is continuously increased by people, have there is split-type design in cutter head and handle of a knife Cutter, when using cutter, fits together cutter head and handle of a knife, but during the use of gang tool routinely, works as cutter When tool needs changed cutter head, need to take down cutter, and by tool setting gauge equipment, cutter is re-calibrated, the reason re-calibrated Being that all of gang tool all can exist quality of fit problem, cutter head is susceptible to handle of a knife coordinate situation not in place, by cutter Tool takes off from clamping apparatus, is changed by cutter head, then is corrected, and tool change time is longer, reduces the efficiency of processing workpiece.
It is thus desirable to the quick-changing type high accuracy cutter block that a kind of economy is strong and repetitive positioning accuracy is high, solve existing skill The problem that art exists.
Summary of the invention
For the problem and shortage of above-mentioned existence of the prior art, it is an object of the invention to provide a kind of quick-changing type high-precision Degree cutter block and processing method thereof, designed by interchangeable structure, saves tool sharpening materials, and economy is strong, and location division sets Meter, improves the precision of resetting, adds Rapid replacing cutter efficiency.
Technical scheme: for solving above-mentioned technical problem, a kind of quick-changing type high accuracy combination milling of the present invention
Cutter and processing method thereof, including cutter head and handle of a knife, described cutter head is followed successively by cutting edge from end to afterbody, chip area, keeps away Empty position, high speed steel substrate, the quantity of described cutting edge is 4 and is symmetricly set on cutter head end two-by-two, and chip area is positioned at two Between individual cutting edge, described cutting edge includes cutting edge I, cutting edge II, cutting edge III, cutting edge II be arranged on cutting edge I and Between cutting edge III, empty avoiding is arranged on after cutting edge II, and empty avoiding position and high speed steel substrate are fixed by high-temperature soldering, Being provided with in described high-speed steel-base body and axially position hole, screwed hole and radial direction locating surface, axially hole, location is arranged on screwed hole front end, Described handle of a knife front end is provided with the screw rod closed with corresponding threaded holes, and described screw front end is provided with locating piece, and described locating piece includes fixed Position portion one, location division two and location division three, described location division one extends to location division two, and location division two extends to location division three.
Further, four internal cooling holes one, described handle of a knife center are set inside described cutter head
Arranging internal cooling hole two at axis, Cooling Holes one connects with Cooling Holes two-way supercooling groove.
Further, described screw rod is provided with the trapezoidal pitch thread of tapering, and the trapezoidal pitch thread of described tapering is mutual
Between angle be 60 ° ± 50 ', the trapezoidal pitch thread of tapering use right-hand design, it is ensured that during Tool in Cutting, pass through screw thread Carrying heavy load, improves cutter bearing capacity, is conducive to extending cutting-tool's used life.
Further, the distance of the end of described location division one to afterbody is 0.45mm ± 0.02mm, institute
Stating edge, location division one with handle of a knife horizontal line angle is 45 °, a length of 2.7mm of described location division two ± 0.02mm, a diameter of 10mm ± 0.01mm of described location division two, the distance of the end of described location division three to afterbody is 1.0mm ± 0.02mm, the edge of described location division three and handle of a knife centrage angle are 45 °.The end vertical degree of location division one is with fixed The cooperation of the cylindricity in position portion two, improves the precision of resetting, it is not necessary to say that cutter unloads, and reduces the step re-calibrated.
Further, described empty avoiding position is made for hard alloy material, described empty avoiding position
Diameter is more than the diameter of high speed steel substrate.Hard alloy participates in cutting, and wearability is good, is favorably improved the use longevity of cutter Life;At a high speed just to have high intensity, high rigidity, wearability good for matrix, primarily serves interconnection function.
Further, the thickness of described cutting edge is 6.44mm ± 0.01mm, and described cutting edge is at a high speed
A length of 26.2mm ± the 0.01mm of steel matrix afterbody.The design of cutting edge thickness can ensure that the intensity of cutting edge itself
Further, described handle of a knife is provided with the groove screwed for spanner, and the width of described groove is
8-10mm.The design of groove facilitates staff to clamp handle of a knife with spanner, and when preventing from turning, spanner slides.
Compared with prior art, the present invention has a following technical advantage:
(1) a kind of quick-changing type high accuracy cutter block of the present invention and processing method thereof, cutter head is threadeded with handle of a knife Interchangeable structure designs, and can make corresponding handle of a knife according to lathe form, after tool wear cannot use, it is only necessary to change Cutter head, it is not necessary to change handle of a knife, saves the processing materials of cutter, economical and practical.
(2) a kind of quick-changing type high accuracy cutter block of the present invention and processing method thereof, the end of location division one Coordinating of the cylindricity of perpendicularity and location division two, improve the precision of resetting, it is not necessary to unloaded by cutter, reduce school again Positive step, improves tool changing efficiency.
(3) a kind of quick-changing type high accuracy cutter block of the present invention and processing method thereof, the trapezoidal pitch thread of tapering is right Rotation design, it is ensured that during Tool in Cutting, carries heavy load by screw thread, improves cutter bearing capacity.
(4) a kind of quick-changing type high accuracy cutter block of the present invention, empty avoiding position is passed through to weld with high speed steel substrate Mode is welded, and reduces the use of hard alloy, saves the usage amount of precious metal, reduces the cost.
(5) a kind of quick-changing type high accuracy cutter block of the present invention, cutter head and handle of a knife are respectively provided with internal cooling hole, cutter During tool processing workpiece, four Cooling Holes of cutter head and handle of a knife realize cutter interior cooling, and cooling effect more preferably, improves making of cutter Use the life-span.
(6) a kind of quick-changing type high accuracy cutter block of the present invention, axial direction: by handle of a knife column part and cutter The accuracy guarantee of body inner cylinder axially positions.Radial direction: by handle of a knife datum level and the flatness of cutter head datum level, handle of a knife Ensure radially to position with the perpendicularity precision of cutter head.
Accompanying drawing explanation
Fig. 1 is the structural representation for the present invention;
Fig. 2 is the structural representation of cutter head end face in the present invention;
Fig. 3 is the structural representation of cutter head of the present invention;
Fig. 4 is the structural representation of handle of a knife of the present invention;
Fig. 5 is the structural representation of the trapezoidal pitch thread of tapering in the present invention.
Detailed description of the invention
Embodiment
A kind of quick-changing type high accuracy cutter block as Figure 1-5 and processing method thereof, including cutter head 1 and handle of a knife 2, its feature It is: described cutter head 1 is followed successively by cutting edge 11, chip area 12, empty avoiding position 13, high speed steel substrate 14, institute from end to afterbody The quantity stating cutting edge 111 is 4 and is symmetricly set on cutter head 1 end two-by-two, chip area 12 between two cutting edges 11, Described cutting edge 11 includes cutting edge I111, cutting edge II112, cutting edge III113, and cutting edge II112 is arranged on cutting edge Between I111 and cutting edge III113, it is middle with high speed steel substrate 14 that empty avoiding position 13 is arranged on cutting edge 11, empty avoiding position 13 Fixed by high-temperature soldering with high speed steel substrate 14, in described high speed steel substrate 14, be provided with axially location hole 141, screwed hole 142 With radial direction locating surface 143, axially hole 141, location is arranged on screwed hole 142 front end, and described handle of a knife 2 front end is provided with and screwed hole 141 The screw rod 21 matched, described screw rod 21 front end is provided with locating piece 22, and described locating piece 22 includes location division 1, location division 2 222 and location division 3 223, described location division 1 extends to location division 2 222, and location division 2 222 extends to location division three 223。
Cutter head 1 described in the present embodiment is internal arranges four internal cooling holes 1, described handle of a knife 2 center
Arranging internal cooling hole 2 24 at axis, Cooling Holes 1 is connected by cooling groove 16 with Cooling Holes 2 24.
Screw rod 21 described in the present embodiment is provided with the trapezoidal pitch thread of tapering 211, and described tapering trapezoidal pitch thread 211 is mutual Between angle be 60.5 °.The width of the trapezoidal tooth on the trapezoidal pitch thread of tapering 211 is 1mm, two trapezoidal tooth centrages it Between distance be 2.7mm, the distance of trapezoidal tooth bottom junctions is 0.73mm.The design of the trapezoidal pitch thread of this tapering 211 makes Cutter can bear heavy duty cutting.
The end of the 211a of location division one described in the present embodiment is 0.43mm to the distance of afterbody, described location division one 211a Edge and handle of a knife 2 horizontal line angle are 45 °, a length of 2.9mm of described location division two 211b, described location division two 211b A diameter of 10.01mm, the distance of the end of described location division three 211c to afterbody is 1.02mm, described location division three 211c's Edge and handle of a knife centrage angle are 45 °.
Make for hard alloy material in empty avoiding position described in the present embodiment 13, described empty avoiding position 13
Diameter more than the diameter of high speed steel substrate 14.A diameter of 20mm at empty avoiding position 13, high speed steel substrate in the present embodiment A diameter of 18mm of 14.Hard alloy participates in cutting, and wearability is good, is favorably improved cutting-tool's used life;The most just matrix 14 to have high intensity, high rigidity, wearability good, primarily serves interconnection function.
The thickness of cutting edge 111 described in the present embodiment is 6.45mm, and described cutting edge 111 is at a high speed
The a length of 26.19mm of steel matrix 14 afterbody.
Handle of a knife 2 described in the present embodiment is provided with the groove 23 screwed for spanner, described groove 23
Width is 8mm.
A kind of quick-changing type high accuracy cutter block and processing method thereof, concrete processing method is as follows:
(1) shank portion: a, handle of a knife 2 matrix is done Technology for Heating Processing;B, carry out roughing handle of a knife 2 and go surplus;C, pass through instrument The inside center hole of alignment handle of a knife 2 end realizes handle of a knife 2 cylindrical polish;D, the processing trapezoidal pitch thread of external taper 211 and location Block 22, and ensure locating piece 22 front end length of fit size;
(2) tool bit part: a, high speed steel substrate 14 prepare: polish high speed steel substrate 14 endoporus and cylindrical, at high speed steel substrate Process the trapezoidal pitch thread of tapering 211 on 14 endoporus, and ensure the length dimension axially positioning hole 141 of endoporus front end;B, empty avoiding Position 13 prepares: be shaped processing according to finished form and size;C, welding: empty avoiding position 13 and high speed steel substrate 14 are led to Cross welding manner to weld;
(3) finished product processing: a, cutter head 1 part and handle of a knife 2 carried out screw thread turn connection, and by CNC five-shaft linkage grinder pair Cutter head carries out the final size processing of cutting edge 11;B, cutting edge 11 is done cutting edge passivation process, anti-tipping blade, anti-wear-resisting;C, right Cutter integral spray wear-resistant coating, strengthens the wearability of cutter, increases the service life.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment May be appreciated other embodiments.

Claims (8)

1. quick-changing type high accuracy cutter block and a processing method thereof, including cutter head (1) and handle of a knife (2), it is characterised in that: institute State cutter head (1) from end to afterbody, be followed successively by cutting edge (11), chip area (12), empty avoiding position (13), high speed steel substrate (14), The quantity of described cutting edge (111) is 4 and is symmetricly set on cutter head (1) end two-by-two, and chip area (12) is positioned at two cuttings Between sword (11), described cutting edge (11) includes cutting edge I(111), cutting edge II(112), cutting edge III(113), cutting edge II(112) be arranged on cutting edge I(111) and cutting edge III(113) between, empty avoiding position (13) be arranged on cutting edge (11) with In the middle of high speed steel substrate (14), empty avoiding position (13) and high speed steel substrate (14) are fixed by high-temperature soldering, described high-speed steel-base It is provided with in body (14) and axially positions hole (141), screwed hole (142) and radial direction locating surface (143), axially position hole (141) and arrange In screwed hole (142) front end, described handle of a knife (2) front end is provided with the screw rod (21) matched with screwed hole (141), described screw rod (21) front end is provided with locating piece (22), and described locating piece (22) includes location division one (221), location division two (222) and location division Three (223), described location division one (221) extends to location division two (222), and location division two (222) extends to location division three (223).
A kind of quick-changing type high accuracy cutter block the most according to claim 1 and processing method thereof, it is characterised in that: described Cutter head (1) is internal arranges four internal cooling holes one (15), arranges internal cooling hole two at described handle of a knife (2) central axis (24), Cooling Holes one (15) is connected by cooling groove (16) with Cooling Holes two (24).
A kind of quick-changing type high accuracy cutter block the most according to claim 1 and processing method thereof, it is characterised in that: described Screw rod (21) is provided with the trapezoidal pitch thread of tapering (211), and described tapering trapezoidal pitch thread (211) angle each other is 60 ° ± 50 ', the trapezoidal pitch thread of tapering (211) uses right-hand design, it is ensured that during Tool in Cutting, carries heavy load by screw thread, carries High cutter bearing capacity.
A kind of quick-changing type high accuracy cutter block the most according to claim 1 and processing method thereof, it is characterised in that: described The end of location division one (211a) and horizontal plane, the distance of its end to afterbody is 0.45mm ± 0.02mm, described location Portion one (211a) edge and handle of a knife (2) horizontal line angle are 45 °, and described location division two (211b) is cylinder, and it is a length of 2.7mm ± 0.02mm, a diameter of 10mm ± 0.01mm of described location division two (211b), the end of described location division three (211c) Distance to afterbody is 1.0mm+0.02mm, and the edge of described location division three (211c) and handle of a knife centrage angle are 45 °.
A kind of quick-changing type high accuracy cutter block the most according to claim 1 and processing method thereof, it is characterised in that: described Empty avoiding position (13) is upper makes for hard alloy material, and the diameter of described empty avoiding position (13) is straight more than high speed steel substrate (14) Footpath.
A kind of quick-changing type high accuracy cutter block the most according to claim 1 and processing method thereof, it is characterised in that: described The thickness of cutting edge (111) is 6.44mm ± 0.01mm, and described cutting edge (111) arrives a length of of high speed steel substrate (14) afterbody 26.2mm±0.01mm。
A kind of quick-changing type high accuracy cutter block the most according to claim 1 and processing method thereof, it is characterised in that: described Handle of a knife (2) is provided with the groove (23) screwed for spanner, and the width of described groove (23) is 8-10mm.
A kind of quick-changing type high accuracy cutter block the most according to claim 1 and processing method thereof, it is characterised in that: concrete Processing method is as follows:
(1) shank portion: a, handle of a knife (2) matrix is done Technology for Heating Processing;B, carry out roughing handle of a knife (2) and go surplus;C, pass through The inside center hole of tools for alignment handle of a knife (2) end realizes handle of a knife (2) cylindrical polish;D, the processing trapezoidal pitch thread of external taper And locating piece (22), and ensure locating piece (22) front end length of fit size (211);
(2) tool bit part: a, high speed steel substrate (14) prepare: polish high speed steel substrate (14) endoporus and cylindrical, at high-speed steel Process the trapezoidal pitch thread of tapering (211) on matrix (14) endoporus, and ensure the length ruler axially positioning hole (141) of endoporus front end Very little;B, empty avoiding position (13) prepare: be shaped processing according to finished form and size;C, welding: by empty avoiding position (13) and High speed steel substrate (14) is welded by welding manner;
(3) finished product processing: a, cutter head (1) part and handle of a knife (2) are carried out screw thread and turn connection, and ground by CNC five-axle linkage Bed carries out the final size processing of cutting edge (11) to cutter head;B, cutting edge (11) is done cutting edge passivation process, anti-tipping blade, anti-resistance to Mill;C, to cutter integral spray wear-resistant coating, strengthen the wearability of cutter, increase the service life.
CN201610774749.0A 2016-08-31 2016-08-31 A kind of quick-changing type high accuracy cutter block and processing method thereof Pending CN106112085A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107570773A (en) * 2017-10-16 2018-01-12 株洲钻石切削刀具股份有限公司 A kind of milling cutter
CN108672782A (en) * 2018-06-14 2018-10-19 中原内配集团安徽有限责任公司 A kind of combined type horizontal milling machine knife bar
CN110340626A (en) * 2018-04-08 2019-10-18 广东星联精密机械有限公司 A kind of processing technology of die cavity
CN110558198A (en) * 2019-07-18 2019-12-13 北京理工华汇智能科技有限公司 Novel tapping cutter
CN110733049A (en) * 2019-10-11 2020-01-31 迈赫机器人自动化股份有限公司 processing system capable of realizing automatic replacement of end effector in mechanical arm

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107570773A (en) * 2017-10-16 2018-01-12 株洲钻石切削刀具股份有限公司 A kind of milling cutter
CN110340626A (en) * 2018-04-08 2019-10-18 广东星联精密机械有限公司 A kind of processing technology of die cavity
CN108672782A (en) * 2018-06-14 2018-10-19 中原内配集团安徽有限责任公司 A kind of combined type horizontal milling machine knife bar
CN110558198A (en) * 2019-07-18 2019-12-13 北京理工华汇智能科技有限公司 Novel tapping cutter
CN110733049A (en) * 2019-10-11 2020-01-31 迈赫机器人自动化股份有限公司 processing system capable of realizing automatic replacement of end effector in mechanical arm

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