CN105382283A - Boring cutter modified through turning tool and modification method - Google Patents

Boring cutter modified through turning tool and modification method Download PDF

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Publication number
CN105382283A
CN105382283A CN201510788949.7A CN201510788949A CN105382283A CN 105382283 A CN105382283 A CN 105382283A CN 201510788949 A CN201510788949 A CN 201510788949A CN 105382283 A CN105382283 A CN 105382283A
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CN
China
Prior art keywords
switching
lathe tool
transformation
way
boring
Prior art date
Application number
CN201510788949.7A
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Chinese (zh)
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CN105382283B (en
Inventor
李柱宏
陈云
王建锋
李柱斌
姚飞
龚小林
Original Assignee
西安航天动力机械厂
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Application filed by 西安航天动力机械厂 filed Critical 西安航天动力机械厂
Priority to CN201510788949.7A priority Critical patent/CN105382283B/en
Publication of CN105382283A publication Critical patent/CN105382283A/en
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Publication of CN105382283B publication Critical patent/CN105382283B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B27/00Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/007Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor for internal turning
    • 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
    • B23P15/30Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools lathes or like tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2231/00Details of chucks, toolholder shanks or tool shanks
    • B23B2231/02Features of shanks of tools not relating to the operation performed by the tool
    • B23B2231/0204Connection of shanks to working elements of tools

Abstract

The invention discloses a boring cutter modified through a turning tool and a modification method. The boring cutter modified through the turning tool is composed of a switching device and a cutter. Through the switching device, it can be ensured that the cutter point height of the turning tool and the rotation center of the head of a boring hole keep consistent, the turning tool can be reasonably converted into the boring cutter for boring, and the utilization rate of the tool can be improved. As an inner hole connector of the switching device is standardized, various turning tools be modified in the same manner can be exchanged, and the machining range of boring is expanded. Manufacturing is easy, machining difficulties in the production can be rapidly solved, the dedicated boring cutter can be customized without wasting time and labor, and the machining cost is reduced.

Description

A kind of boring cutter of being changed a social system by lathe tool and method for remanufacturing
Technical field
The present invention relates to numerical control machining cutter technical field, specifically a kind of switching device that lathe tool can be transformed into boring cutter.
Background technology
Along with the fast development of modern industry, the use of boring processing in machine adds is more and more frequent, and the hole that usual precision is higher and cylindrical all need boring to process, but the kind of boring cutter is more and expensive, general processing producer can only lay in preparing against of regular size boring cutter and use.And for the producer of single and mini-batch production, multi-item production, in boring processing, various difficult processing situation often can be run into, such as end face seal groove, radial internal channel etc.In this case often can only remove customization Special borer cutting knife tool, so not only greatly can improve processing cost, and the customization time be long, has a strong impact on the process-cycle of product.
Some producer is when running into above-mentioned difficult processing situation, avoid boring processing scheme, adopt the mode of numerical control milling to process, but the surface roughness of the seal groove that goes out of Milling Process or internal channel, axiality and circularity etc., process gap comparatively greatly with boring, can not technological requirement be met.
Also have people to be directly installed on by turning cutting tool head for boring bar uses, but incorrect installation method cannot be processed smoothly.Such as, position because of head for boring bar clamping boring cutter bar is column type interface, for the lathe tool of square is loaded, they take method turning cutting tool shank being lathed column type, but so, the centre-height of cutter deviate from boring head centre of gyration line, can accelerate tool wear in processing, easily squeeze broken point of a knife, and processing dimension accurately cannot ensure.
Summary of the invention
In order to overcome, the processing cost existed in prior art is high, the unwarrantable deficiency of crudy, the present invention proposes a kind of boring cutter of being changed a social system by lathe tool and method for remanufacturing.
The described boring cutter changed a social system by lathe tool is made up of switching device and cutter, wherein, described cutter is that the handle of a knife tail end of end face recessing bit in the prior art mills out the plane contour with point of a knife, again this tail end is lathed the semi-cylindrical consistent with the inner mold of switching device, plane and the point of a knife of this semicolumn are contour.The external diameter of described switching device is identical with the internal diameter of transfer hole on head for boring bar; In this switching device, have semicircular endoporus, this endoporus, along the through described switching device two ends of axis of described switching device, defines the inner mold of this switching device.
The radius of the inner mold of described switching device is identical with the radius of the mounting rod of cutter.The external peripheral surface of described switching device solid side is processed into plane, is distributed with the installing hole of lock-screw on this plane.Positioning table is had, for limiting the rigging position between switching device and described head for boring bar at the circumferential surface of described switching device one end.
The diameter 5mm larger than the diameter of switching device of described positioning table, axial length is 3mm.
The detailed process of the described boring cutter of the transformation of the way that the present invention proposes is:
Step 1, makes switching device semi-finished product.During making, first get on the bus at blank and process the face of cylinder, the inner chamber matched in clearance of the transfer hole on this face of cylinder and head for boring bar.Positioning table is gone out in the inner Vehicle Processing on this face of cylinder.Obtain switching device semi-finished product.
Step 2, milling switching device outside fix face.The outside fix face of milling switching device is milled out at the half-finished circumferential surface of the switching device obtained.
Step 3, connects hole in the switching device of processing and milling switching device.The wire hole of Linear cut is got out below switching device semi-finished product axis.With the wire hole that described through hole is Linear cut, adopt conventional wire cutting method, process in semicircular switching device below described switching device semi-finished product axis and connect hole.Described in the radius ratio connecing hole in described switching device, the little 3mm of radius of switching device semi-finished product circumference, described switching device semi-finished product define the semicircle endoporus that wall thickness is 3mm.The plane of described semicircle endoporus is parallel to the outside fix face of milling switching device, and described semicircle endoporus is coaxial with the half-finished outer circumference surface of switching device.
Step 4, the locking screw keyhole of processing switching device.By milling machine, adopt conventional method on the half-finished outside fix face of described switching device, process 2 ~ 3 countersunk head locking screw keyholes.Obtain switching device.
Step 5, determines transformation of the way Lathe tool tip height.Block by the handle of a knife of Len req by end face recessing bit.By the horizontal clamping of described transformation of the way lathe tool on the workbench of milling machine, and the cutting face making this transformation of the way lathe tool upwards, adopts conventional method to measure the height of described transformation of the way Lathe tool tip apart from this milling machine table table top.
Step 6, mills out the plane parallel with milling machine table table top at described transformation of the way lathe tool tail end, and makes this plane contour with transformation of the way Lathe tool tip; The axial length of this plane is 50mm.This plane is the locating surface coordinated with switching device.
Step 7, clamping transformation of the way lathe tool.By being manufactured with the transformation of the way lathe tool clamping of locating surface on lathe, make the height of the height of locating surface of described transformation of the way lathe tool and the centre of gyration of lathe contour.And the locating surface of described transformation of the way lathe tool divided equally by the centre of gyration line of lathe.
Step 8, the handle of a knife tail end of Vehicle Processing transformation of the way lathe tool.Locating surface part there is is to be processed into semicircle the tail end of described transformation of the way lathe tool by lathe.Obtain the lathe tool after changing a social system.
Step 9, assembling.The handle of a knife of lathe tool after the transformation of the way is loaded in the transfer hole on the switching device made, and tightened up by lock-screw, obtain the boring cutter changed a social system by lathe tool.
As everyone knows, require during lathe process workpiece that the pivot of Lathe tool tip and workpiece is contour, namely what is often called lathe tool center is high.For boring processing for, require equally boring cutter point of a knife and boring head centre of gyration line contour.And the switching device utilizing the present invention to propose, lathe tool can be made to change boring cutter into when being arranged on head for boring bar, and the centre of gyration of Lathe tool tip and boring head is contour.
The inner mold of the switching device in the present invention is semicolumn nibs.Wherein the center line of semicylindrical opening overlaps with external cylindrical surface, the plane of semicylindrical opening and the plane in external form are parallel in the same side, two step screwed holes are had between inside and outside two planes, and switching device external form need become matched in clearance with the round interface of head for boring bar, sleeve there is a circle boss, locating during for assembling.
The afterbody of the lathe tool installed is changed system into semi-cylindrical form, and semicircle column type is consistent with the internal via shape of switching device for switching device, and forms matched in clearance, wherein Lathe tool tip is contour with the semicolumn plane of afterbody.
During installation, first with the lathe tool locking that sunk screw will be arranged in switching device, then switching device is contained on head for boring bar, and locks the screw on head for boring bar, can ensure that the nose height of turning cutting tool and the head for boring bar centre of gyration are consistent.
Compared with prior art, lathe tool reasonably can be changed into boring cutter and carry out boring processing by the present invention, improves the utilization rate of cutter.Due to the endoporus nuclear interface standardizing of switching device, the various lathe tool changed a social system in the same manner can be exchanged, extend the range of work of boring.
Switching device in the present invention makes simple, and can solve rapidly the processing difficulties run in production, the special boring cutter of the customization without the need to wasting time and energy, reduces processing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of switching device in the present invention; Wherein scheming a is front view, and figure b is sectional view, and figure c is axonometric drawing.
Fig. 2 is the assembling schematic diagram be arranged on by lathe tool by switching device on head for boring bar.In figure:
1. switching device; 2. switching device outside fix face; 3. connect hole in switching device; 4. step screwed hole; 5. positioning table; 6. cutter; 7. head for boring bar; 8. switching device lock-screw; 9. head for boring bar lock-screw.
Detailed description of the invention
The present embodiment is a kind of method lathe tool transformation of the way being become boring cutter.Described lathe tool is end face recessing bit, and the shank length of this lathe tool is 300mm, and cross section is square.After the transformation of the way becomes boring cutter, shank length is 150mm, and handle of a knife afterbody cross section is semicircle.The described transformation of the way makes switching device, and the transformation of the way to lathe tool handle of a knife.
Detailed process is:
Step 1, makes switching device semi-finished product.45# steel billet material finish turning after modified is processed into columned switching device semi-finished product.Add man-hour, first getting on the bus at blank processes the face of cylinder that axial length is 50mm, the inner chamber matched in clearance of the transfer hole on this face of cylinder and head for boring bar 7.Go out positioning table 5 in the inner Vehicle Processing on this face of cylinder, the diameter 5mm larger than the diameter on the described face of cylinder of this positioning table, axial length is 3mm.Turn and to prepare burden described in clamping and to cut off, obtain switching device semi-finished product.
Step 2, milling switching device outside fix face.Mill out at the half-finished circumferential surface of the switching device obtained that the degree of depth is 3mm, axial length is the plane of 50mm, this plane is the outside fix face 2 of milling switching device.
Step 3, connects hole 3 in the switching device of processing and milling switching device.In the following holes drilled through of switching device semi-finished product axis, and the switching device making this through hole be positioned at design connects the scope in hole.With the wire hole that described through hole is Linear cut, adopt conventional wire cutting method, process in semicircular switching device below described switching device semi-finished product axis and connect hole.Described in the radius ratio connecing hole in described switching device, the little 3mm of radius of switching device semi-finished product circumference, described switching device semi-finished product define the semicircle endoporus that wall thickness is 3mm.The plane of described semicircle endoporus is parallel to the outside fix face of milling switching device, and described semicircle endoporus is coaxial with the half-finished outer circumference surface of switching device.
Step 4, the locking screw keyhole of processing switching device.By milling machine, adopt conventional method on the half-finished outside fix face of described switching device, process 2 countersunk head locking screw keyholes.Obtain switching device.
Step 5, determines transformation of the way Lathe tool tip height.Block by the handle of a knife of Len req by end face recessing bit 6.By the horizontal clamping of described transformation of the way lathe tool on the workbench of milling machine, and the cutting face making this transformation of the way lathe tool upwards, adopts conventional method to measure the height of described transformation of the way Lathe tool tip apart from this milling machine table table top.
Step 6, mills out the plane parallel with milling machine table table top at described transformation of the way lathe tool tail end, and makes this plane contour with transformation of the way Lathe tool tip; The axial length of this plane is 50mm.This plane is the locating surface coordinated with switching device.
Step 7, clamping transformation of the way lathe tool.By being manufactured with the transformation of the way lathe tool clamping of locating surface on lathe, make the height of the height of locating surface of described transformation of the way lathe tool and the centre of gyration of lathe contour.And the locating surface of described transformation of the way lathe tool divided equally by the centre of gyration line of lathe.
Step 8, the handle of a knife tail end of Vehicle Processing transformation of the way lathe tool.Locating surface part there is is to be processed into semicircle the tail end of described transformation of the way lathe tool by lathe.Obtain the lathe tool after changing a social system.
Step 9, assembling.The handle of a knife of lathe tool after the transformation of the way is loaded in the transfer hole on the switching device made, and tightened up by lock-screw, obtain the boring cutter changed a social system by lathe tool.
During use, the described boring cutter changed a social system by lathe tool is loaded in the handle of a knife installing hole on head for boring bar, can boring processing be carried out.
The switching device proposed in the present embodiment is cylindric, and the external diameter of this switching device is identical with the internal diameter of transfer hole on head for boring bar 7; In this switching device, have semicircular endoporus, this endoporus, along the through described switching device two ends of axis of described switching device, defines the inner mold 4 of this switching device.The radius of described inner mold is identical with the radius of the mounting rod of cutter 6.Be processed into plane at the external peripheral surface of described switching device solid side, be distributed with two step-like screwed holes on this plane, after the mounting rod of cutter 6 loads the inner mold of switching device, by switching device lock-screw 8, described mounting rod is tightened up.The radial positioning boss 5 protruded is had, for limiting the rigging position between switching device and described head for boring bar at the circumferential surface of described switching device one end.
Described cutter 6 is changed a social system by end face recessing bit of the prior art and is formed.Specifically mill out the plane contour with point of a knife at handle of a knife tail end, then tail end is lathed the semi-cylindrical consistent with the inner mold of switching device, plane and the point of a knife of this semicolumn are contour.
During use, cutter 6 is loaded in switching device 1, by lock-screw 8, lathe tool is connected with conversion equipment fastening.Switching device is arranged in the cylindrical receptacle of head for boring bar 7 again, and is tightened up by head for boring bar lock-screw 9.Boring can be carried out after installing and cut end face seal slot machining.

Claims (4)

1. the boring cutter changed a social system by lathe tool, it is characterized in that, described boring cutter is made up of switching device and cutter, wherein, described cutter is that the handle of a knife tail end of end face recessing bit in the prior art mills out the plane contour with point of a knife, again this tail end is lathed the semi-cylindrical consistent with the inner mold of switching device, plane and the point of a knife of this semicolumn are contour; The external diameter of described switching device is identical with the internal diameter of transfer hole on head for boring bar; In this switching device, have semicircular endoporus, this endoporus, along the through described switching device two ends of axis of described switching device, defines the inner mold of this switching device.
2. the boring cutter changed a social system by lathe tool as claimed in claim 1, is characterized in that, the radius of the inner mold of described switching device is identical with the radius of the mounting rod of cutter; The external peripheral surface of described switching device solid side is processed into plane, is distributed with the installing hole of lock-screw on this plane; Positioning table is had, for limiting the rigging position between switching device and described head for boring bar at the circumferential surface of described switching device one end.
3. the boring cutter changed a social system by lathe tool as claimed in claim 1, is characterized in that, the diameter 5mm larger than the diameter of switching device of described positioning table, axial length is 3mm.
4. change a social system a method for boring cutter as claimed in claim 1, it is characterized in that, detailed process is:
Step 1, makes switching device semi-finished product; During making, first get on the bus at blank and process the face of cylinder, the inner chamber matched in clearance of the transfer hole on this face of cylinder and head for boring bar; Positioning table is gone out in the inner Vehicle Processing on this face of cylinder; Obtain switching device semi-finished product;
Step 2, milling switching device outside fix face; The outside fix face of milling switching device is milled out at the half-finished circumferential surface of the switching device obtained;
Step 3, connects hole in the switching device of processing and milling switching device; The wire hole of Linear cut is got out below switching device semi-finished product axis; With the wire hole that described through hole is Linear cut, adopt conventional wire cutting method, process in semicircular switching device below described switching device semi-finished product axis and connect hole; Described in the radius ratio connecing hole in described switching device, the little 3mm of radius of switching device semi-finished product circumference, described switching device semi-finished product define the semicircle endoporus that wall thickness is 3mm; The plane of described semicircle endoporus is parallel to the outside fix face of milling switching device, and described semicircle endoporus is coaxial with the half-finished outer circumference surface of switching device;
Step 4, the locking screw keyhole of processing switching device; By milling machine, adopt conventional method on the half-finished outside fix face of described switching device, process 2 ~ 3 countersunk head locking screw keyholes; Obtain switching device;
Step 5, determines transformation of the way Lathe tool tip height; Block by the handle of a knife of Len req by end face recessing bit; By the horizontal clamping of described transformation of the way lathe tool on the workbench of milling machine, and the cutting face making this transformation of the way lathe tool upwards, adopts conventional method to measure the height of described transformation of the way Lathe tool tip apart from this milling machine table table top;
Step 6, mills out the plane parallel with milling machine table table top at described transformation of the way lathe tool tail end, and makes this plane contour with transformation of the way Lathe tool tip; The axial length of this plane is 50mm; This plane is the locating surface coordinated with switching device;
Step 7, clamping transformation of the way lathe tool; By being manufactured with the transformation of the way lathe tool clamping of locating surface on lathe, make the height of the height of locating surface of described transformation of the way lathe tool and the centre of gyration of lathe contour; And the locating surface of described transformation of the way lathe tool divided equally by the centre of gyration line of lathe;
Step 8, the handle of a knife tail end of Vehicle Processing transformation of the way lathe tool; Locating surface part there is is to be processed into semicircle the tail end of described transformation of the way lathe tool by lathe; Obtain the lathe tool after changing a social system;
Step 9, assembling; The handle of a knife of lathe tool after the transformation of the way is loaded in the transfer hole on the switching device made, and tightened up by lock-screw, obtain the boring cutter changed a social system by lathe tool.
CN201510788949.7A 2015-11-17 2015-11-17 A kind of boring cutter and method for remanufacturing changed a social system by lathe tool CN105382283B (en)

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CN201510788949.7A CN105382283B (en) 2015-11-17 2015-11-17 A kind of boring cutter and method for remanufacturing changed a social system by lathe tool

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CN105382283B CN105382283B (en) 2017-08-29

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006007365A (en) * 2004-06-25 2006-01-12 Sumitomo Electric Hardmetal Corp Cutting tool
CN101596608A (en) * 2009-05-05 2009-12-09 洛阳古城机械有限公司 A kind of grooving cutter device that is used to process cannelure
CN201572929U (en) * 2009-10-28 2010-09-08 天津隆德精密机械有限公司 Special-shaped seal groove processing cutter
CN201632661U (en) * 2009-12-29 2010-11-17 中钢集团邢台机械轧辊有限公司 Integrated boring and turning tool
CN202411517U (en) * 2012-01-09 2012-09-05 布雷博(南京)制动系统有限公司 Adjustable grooving shank
CN202591643U (en) * 2012-06-18 2012-12-12 江西创元汽车零部件有限公司 Efficient computerized numerical control (CNC) ring groove cutting tool
JP2014083606A (en) * 2012-10-19 2014-05-12 Kyocera Corp Insert and cutting tool
CN204135347U (en) * 2014-08-06 2015-02-04 深圳市金武科技有限公司 Brill, boring, car multifunction turning instrument

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006007365A (en) * 2004-06-25 2006-01-12 Sumitomo Electric Hardmetal Corp Cutting tool
CN101596608A (en) * 2009-05-05 2009-12-09 洛阳古城机械有限公司 A kind of grooving cutter device that is used to process cannelure
CN201572929U (en) * 2009-10-28 2010-09-08 天津隆德精密机械有限公司 Special-shaped seal groove processing cutter
CN201632661U (en) * 2009-12-29 2010-11-17 中钢集团邢台机械轧辊有限公司 Integrated boring and turning tool
CN202411517U (en) * 2012-01-09 2012-09-05 布雷博(南京)制动系统有限公司 Adjustable grooving shank
CN202591643U (en) * 2012-06-18 2012-12-12 江西创元汽车零部件有限公司 Efficient computerized numerical control (CNC) ring groove cutting tool
JP2014083606A (en) * 2012-10-19 2014-05-12 Kyocera Corp Insert and cutting tool
CN204135347U (en) * 2014-08-06 2015-02-04 深圳市金武科技有限公司 Brill, boring, car multifunction turning instrument

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