CN109663937A - Inner hole end face groove process tool - Google Patents

Inner hole end face groove process tool Download PDF

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Publication number
CN109663937A
CN109663937A CN201910160756.5A CN201910160756A CN109663937A CN 109663937 A CN109663937 A CN 109663937A CN 201910160756 A CN201910160756 A CN 201910160756A CN 109663937 A CN109663937 A CN 109663937A
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CN
China
Prior art keywords
vane body
rotational positioning
face
blade
knife bar
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.)
Granted
Application number
CN201910160756.5A
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Chinese (zh)
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CN109663937B (en
Inventor
李府
赵正强
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.)
Sichuan Daoqin Cutting Tools Co Ltd
Original Assignee
Sichuan Daoqin Cutting Tools Co 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 Sichuan Daoqin Cutting Tools Co Ltd filed Critical Sichuan Daoqin Cutting Tools Co Ltd
Priority to CN201910160756.5A priority Critical patent/CN109663937B/en
Publication of CN109663937A publication Critical patent/CN109663937A/en
Application granted granted Critical
Publication of CN109663937B publication Critical patent/CN109663937B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B23B27/14Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/16Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
    • B23B27/1614Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert
    • B23B27/1622Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert characterised by having a special shape
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Milling Processes (AREA)

Abstract

The invention discloses a kind of inner hole end face groove process tools, are related to machine tool field.A kind of inner hole end face groove process tool for being conducive to reduce size is provided.The cutter includes knife bar and blade;Knife bar front end is provided with mounting recess;Blade includes vane body and the cutting portion that connect with vane body, and vane body is located in mounting recess, and vane body is connect with knife bar;The cutting edge of cutting portion is arranged along vane body thickness direction, and vane body is connect by the fastener being arranged along vane body thickness direction with knife bar;The the first rotational positioning face and the second rotational positioning face that limitation blade rotation is bonded with knife bar are provided in vane body;First rotational positioning face is located at the lower section of retainer member central and has distance between vane body lower edge;The front limitation blade in the first rotational positioning face rotates in the forward direction, and rear portion limits the reverse rotation of blade;Second rotational positioning face is located at the back upper place of retainer member central and limits rotating in the forward direction for blade.

Description

Inner hole end face groove process tool
Technical field
The present invention relates to machine tool field more particularly to a kind of inner hole end face groove process tools.
Background technique
As shown in Figure 10, inner hole end face groove of the present invention refers to the annular groove in inner hole bottom hole.Common interior hole end surface Slot process tool is as depicted in figs. 1 and 2, including knife bar and blade;Knife bar front end is provided with mounting recess;Blade includes blade master Body and the cutting portion connecting with vane body, vane body are located in mounting recess, and vane body is connect with knife bar, vane body Inner surface be bonded with the bottom surface of mounting recess.Blade with the concrete form connecting with knife bar is connected beside blade on knife bar Compressing structure, compressing structure compress blade.Blade uses paperback blade, and the cutting edge of cutting portion is parallel in vane body.
The shortcomings that above-mentioned inner hole end face groove process tool, is: 1, connecting compressing structure on knife bar beside blade, compress knot Structure compresses blade;Since compressing structure occupies the space on knife bar, so that knife bar needs to be arranged relatively thick, while blade is arranged Must be smaller, and this kind of paperback cutter, due to avoid annular groove groove wall, the removal of blade cutting edge material is more, is not also on knife bar free Between support is set, therefore blade is more weak.Blade strength is lower.When needing inner hole to be applied smaller, blade will be smaller, by force Degree is lower, simultaneously because knife bar relatively slightly not can enter inner hole, it is smaller that above-mentioned inner hole end face groove process tool is difficult to apply to inner hole Occasion.Furthermore the compressing structure of above-mentioned inner hole end face groove process tool is also complex.2, when cutter works, cutting portion stress Perpendicular to vane body, i.e., arrow direction as shown in Figure 2 prunes a part due to knife bar end and forms mounting recess, cutter The ability for bearing cutting force is poor;In order to which proof strength needs knife bar thicker, this is but also above-mentioned inner hole end face groove process tool It is difficult to apply to the lesser occasion of inner hole.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of inner hole end face groove process tool for being conducive to reduce size.
In order to solve the above problem the technical solution adopted is that: inner hole end face groove process tool includes knife bar and blade;Knife bar Front end is provided with mounting recess;Blade includes vane body and the cutting portion that connect with vane body, and vane body is located at installation In recess portion, vane body is connect with knife bar, and the inner surface of vane body is bonded with the bottom surface of mounting recess;The cutting edge of cutting portion It is arranged along vane body thickness direction, vane body is connect by the fastener being arranged along vane body thickness direction with knife bar; The first rotational positioning face and the second rotational positioning face, the first rotational positioning face and the second rotational positioning face are provided in vane body It is bonded to limit blade rotation with knife bar;First rotational positioning face be located at the lower section of retainer member central and under vane body There is distance between, the front in the first rotational positioning face is bonded the positive rotation that can be limited when blade bears cutting stress with knife bar Turn, the rear portion in the first rotational positioning face is bonded the reverse rotation that can limit blade with knife bar;Second rotational positioning face is located at tight The back upper place of Firmware Center, the second rotational positioning face is bonded with knife bar can limit rotating in the forward direction for blade.
Preferably: vane body inner shape is the low step of upper relative superiority or inferiority, is transitioned on the inside of vane body by eminence The transition face of lower is the first rotational positioning face;The part outer surface of vane body forms the second rotational positioning face.
Preferably: the first rotational positioning face and the second rotational positioning face are plane.
Preferably: the first rotational positioning face length direction and blade lengths direction are in the same direction.
Preferably: the angle of the inner surface of the first rotational positioning face and vane body is acute angle.
Preferably: the angle of the inner surface of the second rotational positioning face and vane body is acute angle.
Preferably: the outer surface of vane body is arcwall face.
Preferably: being provided with fastening unthreaded hole in vane body, fastening thread hole is provided on knife bar, fastening thread hole is Through-hole;Fastener passes through fastening unthreaded hole and connect with fastening thread hole, and vane body is pressed on knife bar by fastener;Fastener The end of bar portion is provided with spanner mating hole.
Although vane body fills up the installation the beneficial effects of the present invention are: 1, knife bar front end is provided with mounting recess Recess portion, and moment of flexure is cooperatively born with knife bar, cutter structure intensity is high;Cutter Impact direction is parallel with mounting recess, simultaneously Be it is in the same direction with the width direction of blade, the intensity of knife bar and the blade direction is higher;Due to tool strength height, it is conducive to reduce Tool dimension, so that cutter can be applied to smaller inner hole.
2, in the prior art, the rotational positioning face of many other blades for being related to rotational positioning face is by the outer of cutter Contoured surface is formed.The present invention will move in the first rotational positioning face, have distance between the first rotational positioning face and vane body lower edge.It should It is arranged in the case where not reducing blade size, the size of support portion under knife bar (i.e. the part a in Fig. 4) can be increased, to mention The high partial intensities, avoid the part from being crushed.Also due to structural strength is improved, it is conducive to reduce tool dimension, thus So that cutter can be applied to smaller inner hole.
3, fastener fixed blade of the present invention avoids blade mobile, the first rotational positioning face and the second rotational positioning face with Knife bar fitting is to limit blade rotation, so that blade movement is completely restricted, blade is fixed reliable.First positioning surface and second Positioning surface can limit rotating in the forward direction for blade, guarantee still can effectively be fixed when blade bears big cutting force.For The components only one fastener that fastening is additionally arranged, fastening means are simple.Fastening structure is not take up blade outer space benefit In increase blade size and reduce knife bar size.
Detailed description of the invention:
Fig. 1 is existing inner hole end face groove process tool view;
Fig. 2 is existing inner hole end face groove process tool other direction view;
Fig. 3 is the tomograph of inner hole end face groove process tool of the invention;
Fig. 4 is inner hole end face groove process tool of the invention (the first rotational positioning face length direction and blade lengths direction Main view in the same direction);
Fig. 5 is the main view of inner hole end face groove process tool (the front is high and the back is low in the first rotational positioning face) of the invention;
Fig. 6 is the main view of inner hole end face groove process tool (the first rotational positioning face is low early and high after) of the invention;
Fig. 7 is inner hole end face groove process tool of the invention (the first rotational positioning face is vertical with vane body medial surface) Left view;
Fig. 8 is that (the first rotational positioning face is inner hole end face groove process tool of the invention with vane body medial surface angle Acute angle) left view;
Fig. 9 is the sectional view of inner hole end face groove process tool of the invention at fastener;
Figure 10 is inner hole end face groove process tool working state figure of the invention;
In the figure, it is marked as the rotation of knife bar 1, mounting recess 11, fastening thread hole 12, blade 2, vane body 21, first is fixed Plane 211, the second rotational positioning face 212, fastening unthreaded hole 213, cutting portion 22, cutting edge 221, fastener 3, spanner mating hole 31, inner hole 4, end face groove 5.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
The tool orientation being related in the present invention is described as follows first here: blade 2 is blade 2 close to the side of knife bar 1 Inside;Outside that is on the contrary then being blade 2.Cutter is close to one end of cutting portion 22, i.e., left end shown in Fig. 4, for before cutter End;Rear end that is on the contrary then being cutter;Top shown in Fig. 4 is the top of cutter;Lower section that is on the contrary then being cutter;Before blade 2 Downwards, upward the rotating to be in rear end rotates in the forward direction at end;It is on the contrary then for reversely rotate.
As shown in Figures 3 to 8: inner hole end face groove process tool includes knife bar 1 and blade 2;1 front end of knife bar is provided with installation Recess portion 11;Blade 2 includes vane body 21 and the cutting portion 22 connecting with vane body 21, and vane body 21 is located at mounting recess In 11, vane body 21 is connect with knife bar 1, and the inner surface of vane body 21 is bonded with the bottom surface of mounting recess 11;Cutting portion 22 Cutting edge 221 be arranged along 21 thickness direction of vane body, vane body 21 is by being arranged along 21 thickness direction of vane body Fastener 3 is connect with knife bar 1;The first rotational positioning face 211 and the second rotational positioning face 212 are provided in vane body 21, the One rotational positioning face 211 and the second rotational positioning face 212 are bonded to limit the rotation of blade 2 with knife bar 1;First rotational positioning Face 211 is located at the lower section at 3 center of fastener and has distance, the front in the first rotational positioning face 211 between 21 lower edge of vane body Rotating in the forward direction when blade 2 bears cutting stress, the rear portion in the first rotational positioning face 211 and knife can be limited by being bonded with knife bar 1 Bar 1 is bonded the reverse rotation that can limit blade 2;Second rotational positioning face 212 is located at the back upper place at 3 center of fastener, and second Rotational positioning face 212 is bonded with knife bar 1 can limit rotating in the forward direction for blade 2.
After fastener 3 of the present invention connects knife bar 1 and blade 2, the translation of blade 2 can be limited, but blade 2 can not be limited Rotation, it is therefore desirable to which the first rotational positioning face 211 and the second rotational positioning face 212 are bonded limitation blade 2 with knife bar 1 and rotate.
First rotational positioning face 211 and the second rotational positioning face 212 can be curved surface, it is apparent that Machining of Curved Surface difficulty is more Greatly, therefore the first rotational positioning face 211 and the second rotational positioning face 212 are preferably plane.
" the first rotational positioning face 211 is located at the lower section at 3 center of fastener and has distance between 21 lower edge of vane body, the The front in one rotational positioning face 211 is bonded with knife bar 1 can limit rotating in the forward direction when blade 2 bears cutting stress, the first rotation The rear portion for turning positioning surface 211 is bonded the reverse rotation that can limit blade 2 with knife bar 1;Second rotational positioning face 212 is located at fastening The back upper place at 3 center of part, the second rotational positioning face 212 is bonded with knife bar 1 can limit rotating in the forward direction for blade 2 " it is to first The restriction in rotational positioning face 211 and the second rotational positioning face 212 setting position and direction.With Fig. 4 and the second rotational positioning face 212 For, if cutter front-rear direction is x-axis, cutter up and down direction is y-axis, on the second rotational positioning face 212 and its elongated surfaces x value with The identical point in 3 center of fastener is located at 3 overcentre of fastener, then the second rotational positioning face 212 is located on 3 center of fastener Side.Y value point identical with 3 center of fastener is located at 3 center rear of fastener on second rotational positioning face 212 and its elongated surfaces, Then the second rotational positioning face 212 is located at 3 center rear of fastener.Second rotational positioning face 212 be located at 3 center of fastener it is rear on Side refers to that the second rotational positioning face 212 also both had been located at the top at 3 center of fastener positioned at the rear at 3 center of fastener.
The specific generation type in the first rotational positioning face 211 and the second rotational positioning face 212 is preferably as follows: vane body 21 Inner shape is the low step of upper relative superiority or inferiority, and 21 inside of vane body is that the first rotation is fixed by the transition face that eminence is transitioned into lower Plane 211;The part outer surface of vane body 21 forms the second rotational positioning face 212.
As shown in Figures 4 to 6: 211 length direction of the first rotational positioning face can be in the same direction with 2 length direction of blade, can also With the front is high and the back is low or it is rear high before it is low.
It is as shown in Figure 7 and Figure 8: the interior table in the first rotational positioning face 211 and the second rotational positioning face 212 and vane body 21 The angle in face can be right angle, or acute angle.When for acute angle, the first rotational positioning face 211 and the second rotational positioning face 212 are bonded also with 2 inward force of blade is given with knife bar 1, further increase the benefit of 2 fixed effect of blade;But the disadvantage is that Difficulty of processing increases.
The outer surface of vane body 21 is preferably arcwall face.Such contoured design, the removal of blade cutting edge material is few, itself Intensity is more preferable, can not only interfere in this way to avoid with inner hole cell wall, but also can make blade uniform force and disperse, to further mention Its high reliability and service life, to improve 2 intensity of blade.
The concrete mode of 3 fixed blade 2 of fastener and the specific structure of fastener 3 can be such that and set in vane body 21 It is equipped with fastening unthreaded hole 213, fastening thread hole 12 is provided on knife bar 1, fastening thread hole 12 is through-hole;Fastener 3 passes through fastening Unthreaded hole 213 is simultaneously connect with fastening thread hole 12, and vane body 21 is pressed on knife bar 1 by fastener 3;The end of 3 bar portion of fastener Portion is provided with spanner mating hole 31.Such as conventional fasteners, the head of fastener 3 has spanner adapter structure.Fasten spiral shell Pit 12 is through-hole, and spanner mating hole 31 is arranged in the end of 3 bar portion of fastener, so that from the available fastening in 1 both ends of knife bar The elastic fastener 3 of part.Cutter is in use, if you need to more allowing blade replacement online, under some cases, from elastic 3 difficulty of fastener in side compared with Greatly.The elastic of fastener 3 in special circumstances can be facilitated by this setting.

Claims (8)

1. inner hole end face groove process tool, including knife bar (1) and blade (2);Knife bar (1) front end is provided with mounting recess (11); Blade (2) includes vane body (21) and the cutting portion (22) connecting with vane body (21), and vane body (21) is located at installation In recess portion (11), vane body (21) is connect with knife bar (1), the inner surface of vane body (21) and the bottom surface of mounting recess (11) Fitting;It is characterized by: the cutting edge (221) of cutting portion (22) is arranged along vane body (21) thickness direction, vane body (21) it is connect by the fastener (3) being arranged along vane body (21) thickness direction with knife bar (1);Vane body is arranged on (21) There are the first rotational positioning face (211) and the second rotational positioning face (212), the first rotational positioning face (211) and the second rotational positioning Face (212) is bonded to limit blade (2) rotation with knife bar (1);First rotational positioning face (211) is located in fastener (3) The lower section of the heart and there is distance between vane body (21) lower edge, the front of the first rotational positioning face (211) is bonded energy with knife bar (1) Rotating in the forward direction when enough cutting stress is born in limitation blade (2), the rear portion of the first rotational positioning face (211) is bonded with knife bar (1) The reverse rotation of blade (2) can be limited;Second rotational positioning face (212) is located at the back upper place at fastener (3) center, the second rotation Turn positioning surface (212) and be bonded with knife bar (1) that rotating in the forward direction for blade (2) can be limited.
2. inner hole end face groove process tool according to claim 1, it is characterised in that: vane body (21) inner shape is The low step of upper relative superiority or inferiority, vane body (21) inside are the first rotational positioning face by the transition face that eminence is transitioned into lower (211);The part outer surface of vane body (21) forms the second rotational positioning face (212).
3. inner hole end face groove process tool according to claim 2, it is characterised in that: the first rotational positioning face (211) and Second rotational positioning face (212) is plane.
4. inner hole end face groove process tool according to claim 3, it is characterised in that: the first rotational positioning face (211) are long It spends direction and blade (2) length direction is in the same direction.
5. inner hole end face groove process tool according to claim 4, it is characterised in that: the first rotational positioning face (211) with The angle of the inner surface of vane body (21) is acute angle.
6. inner hole end face groove process tool according to claim 3, it is characterised in that: the second rotational positioning face (212) with The angle of the inner surface of vane body (21) is acute angle.
7. inner hole end face groove process tool according to any one of claims 1 to 6, it is characterised in that: vane body (21) Outer surface be arcwall face.
8. inner hole end face groove process tool according to any one of claims 1 to 6, it is characterised in that: vane body (21) On be provided with fastening unthreaded hole (213), be provided with fastening thread hole (12) on knife bar (1), fastening thread hole (12) is through-hole;Fastening Part (3) passes through fastening unthreaded hole (213) and connect with fastening thread hole (12), and vane body (21) is pressed on knife by fastener (3) On bar (1);The end of fastener (3) bar portion is provided with spanner mating hole (31).
CN201910160756.5A 2019-03-04 2019-03-04 Inner hole end face groove processing cutter Active CN109663937B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910160756.5A CN109663937B (en) 2019-03-04 2019-03-04 Inner hole end face groove processing cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910160756.5A CN109663937B (en) 2019-03-04 2019-03-04 Inner hole end face groove processing cutter

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CN109663937A true CN109663937A (en) 2019-04-23
CN109663937B CN109663937B (en) 2023-08-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110744081A (en) * 2019-11-16 2020-02-04 贵州黎阳国际制造有限公司 Annular blind groove cutting tool and annular blind groove cutting machining method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005246485A (en) * 2004-03-01 2005-09-15 Tungaloy Corp Throwaway cutting tool and clamping tool used for same
US20140334889A1 (en) * 2011-11-30 2014-11-13 Tungaloy Corporation Replaceable-blade-edge cutting tool and cutting insert
JP2015003359A (en) * 2013-06-20 2015-01-08 有限会社大谷鉄工所 Cutting insert and attachment structure for cutting insert
CN206882940U (en) * 2017-06-14 2018-01-16 成都道勤数控刀具有限公司 Internal thread machining cutter
CN108817427A (en) * 2018-06-29 2018-11-16 中原内配集团鼎锐科技有限公司 A kind of high-efficiency high-accuracy NC cutting tool hole boring cutter rod

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005246485A (en) * 2004-03-01 2005-09-15 Tungaloy Corp Throwaway cutting tool and clamping tool used for same
US20140334889A1 (en) * 2011-11-30 2014-11-13 Tungaloy Corporation Replaceable-blade-edge cutting tool and cutting insert
JP2015003359A (en) * 2013-06-20 2015-01-08 有限会社大谷鉄工所 Cutting insert and attachment structure for cutting insert
CN206882940U (en) * 2017-06-14 2018-01-16 成都道勤数控刀具有限公司 Internal thread machining cutter
CN108817427A (en) * 2018-06-29 2018-11-16 中原内配集团鼎锐科技有限公司 A kind of high-efficiency high-accuracy NC cutting tool hole boring cutter rod

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110744081A (en) * 2019-11-16 2020-02-04 贵州黎阳国际制造有限公司 Annular blind groove cutting tool and annular blind groove cutting machining method

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