CN104625237B - Manual two-way chamfering tool - Google Patents
Manual two-way chamfering tool Download PDFInfo
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- CN104625237B CN104625237B CN201410770106.XA CN201410770106A CN104625237B CN 104625237 B CN104625237 B CN 104625237B CN 201410770106 A CN201410770106 A CN 201410770106A CN 104625237 B CN104625237 B CN 104625237B
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- heart
- outer sleeve
- chamfering
- inner axis
- chamfering blade
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Abstract
The invention discloses a manual two-way chamfering tool which comprises an outer sleeve, an inner mandrel, a plurality of chamfering blades of an equilateral triangle structure, a plurality of chamfering blade mandrels, an inner mandrel stroke positioning mechanism and an inner mandrel stroke limiting mechanism. The upper side and the lower side of the sleeve wall of the outer sleeve are provided with symmetric notches arranged in a spaced mode in the axial direction, the chamfering blades are embedded in the notches, the inner mandrel is arranged in an outer sleeve through hole in a sleeved mode, the inner mandrel is provided with a plurality of V-shaped annular grooves in the radial direction at intervals, and the inner mandrel stroke positioning mechanism and the inner mandrel stroke limiting mechanism are arranged at the connection end of the outer sleeve through hole and the inner mandrel. The tool is simple in structure and convenient to use, chamfering of a plurality of rocker support hole end faces on the same side can be finished at the same time, and then chamfering of a plurality of rocker support hole end faces on the other side can be finished. Chamfering is quick and efficient, the problem that a rocker support hole inner side face can not be chamfered in a mechanical cutting mode is solved, and machining efficiency and machining quality are greatly improved.
Description
Technical field
It is especially a kind of using by hand simultaneously to zero the present invention relates to a kind of specific purpose tool for part chamfering
The coaxial micro-pore face of part carries out the specific purpose tool of chamfering simultaneously, belongs to the technical field of pincers worker specific purpose tool.
Background technology
Some machine components needs carry out chamfering in multiple through hole end faces of longitudinal arrangement, as shown in Fig. 2 bavin
The rocker arm support of oil machine cylinder head extends upward three vertical plates 10 side by side, in three vertical panels 10
Be respectively provided with three rocker arm support holes 20 coaxially to each other, three crudies of rocker arm support hole 20 it is excellent
The bad overall performance and service life for directly influencing diesel engine.Because three rocker arm support holes 20 are coaxial
Through hole, four apertures on the inside of it cannot carry out chamfering by machine cut processing mode, and this gives follow-up dress
Great inconvenience is brought with work.
The content of the invention
It is an object of the invention to provide a kind of simple structure, easy to operate, low cost of manufacture, long service life
Manual bidirectional chamfer tool.
The present invention is achieved by the following technical programs：
A kind of manual bidirectional chamfer tool, including outer sleeve, inner axis of heart, the rose reamer of several equilateral triangles
The connection of piece, several chamfering blade heart axles, inner axis of heart stroke positioning mechanism, outer sleeve and inner axis of heart and inner axis of heart
Journey stop gear and several knurling handles, the barrel upper and lower sides difference axially spaced-apart of the outer sleeve are set
Symmetrical notch, chamfering blade is inlaid in notch, and is cut with scissors with the chamfering blade heart axle middle part for passing across notch
Connect, chamfering blade heart axle two ends are fixedly connected with the barrel of outer sleeve；Inner axis of heart is sleeved in outer sleeve through hole,
Inner axis of heart spaced radial is provided with several V-ring grooves corresponding with chamfering blade, several knurling handle one end difference
It is vertical with inner axis of heart one end to be fixedly connected；The inner axis of heart stroke positioning mechanism and inner axis of heart journey stop gear
It is separately positioned on the connection end of outer sleeve through hole and inner axis of heart；When chamfering blade is in off working state, chamfering
The equilateral triangle point of a knife of blade to being embedded in V-ring groove, the horizontal base of the equilateral triangle of chamfering blade
Side is outwards and less than the notch outer peripheral face of outer sleeve；When chamfering blade is in running order, chamfering blade etc.
The side protruding notch of triangle point of a knife, the bottom horizontal of the equilateral triangle of chamfering blade is inside and is resisted against
On the outer peripheral face of inner axis of heart.
The purpose of the present invention can also further be realized by following technical measures.
Foregoing manual bidirectional chamfer tool, wherein the spacing A of several V-ring grooves and outer sleeve
B is equal for chamfering blade heart distance between axles；The anchor ring angle α of V-ring groove is 58 °~62 °.
Foregoing manual bidirectional chamfer tool, wherein the inner axis of heart stroke positioning mechanism include steel ball, stage clip,
The conical pit of the several axially arrangements on styletable holding screw and inner axis of heart outer peripheral face, outer sleeve is near annular knurl hand
Radially outward from flange, the flange is provided with the first radial hole for handle one end termination, steel ball, stage clip and
Styletable holding screw is outwards vertically set in the first radial hole successively from outer sleeve through hole inner side, and steel ball is upper and lower
During side is born against on the upside of stage clip lower end and conical pit.
Foregoing manual bidirectional chamfer tool, wherein the inner axis of heart journey stop gear include spacing stud and
Axial limiting groove, the spacing stud is vertically fixed in the second radial hole of flange, spacing stud termination
Insertion is arranged on inner axis of heart in the axial limiting groove of one end of knurling handle.
Foregoing manual bidirectional chamfer tool, centre-to-centre spacing C of the chamfering blade of two of which equilateral triangle etc.
The distance between two vertical plate end faces in the workpiece being chamfered.
It is simple structure of the present invention, easy to use, as long as the present invention to be injected the rocker arm support of cylinder cover for diesel engine
Kong Zhong, and the hypotenuse cutting edge of chamfering blade is resisted against on corresponding rocker arm support hole end surface, rotate annular knurl
Handle is to corresponding rocker arm support hole while chamfering, just can simultaneously complete several rocker arm support nose ends of the same side
Surface chamfer；Then aforementioned process is repeated after moving axially the present invention, several rocking arm branch of opposite side can be just completed
Frame aperture end chamfer.Chamfering quickness and high efficiency, solving rocker arm support hole medial surface cannot be added using machine cut
Work mode carries out the problem of chamfering, substantially increases processing efficiency and crudy.
Advantages of the present invention and feature, by by the non-limitative illustration of preferred embodiment below carry out diagram and
Explain, these embodiments, be only given as an example referring to the drawings.
Brief description of the drawings
Fig. 1 is the structure diagram after present invention assembling；
Fig. 2 is the structure diagram of working condition of the present invention；
Fig. 3 is the A-A profiles of Fig. 1.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in FIG. 1 to 3, the present embodiment includes outer sleeve 1, inner axis of heart 2,4 equilateral triangles
Chamfering blade 3, chamfering blade heart axle 4, inner axis of heart stroke positioning mechanism 5, outer sleeve and inner axis of heart connection and
Inner axis of heart journey stop gear 6 and 2 knurling handles 7, the upside of barrel 11 of outer sleeve 1 are provided with axial direction
Spaced two notches 12, two notches 12 on the downside of it are symmetrical arranged with two notches 12 of upside.
Chamfering blade 3 is inlaid in notch 12, and is supported on the middle part of chamfering blade heart axle 4 for passing across notch 12
On, the two ends of chamfering blade heart axle 4 are fixedly connected with the barrel 11 of outer sleeve 1 by interference fit.Suit
Inner axis of heart 2 and the gap of outer sleeve through hole 13 coordinate in outer sleeve through hole 13, and its fit clearance is 0.10~
0.30mm.The spaced radial of inner axis of heart 2 is provided with 2 V-ring grooves 21 corresponding with chamfering blade 3, two
The one end of knurling handle 7 is vertical with the right-hand member of inner axis of heart 2 respectively to be fixedly connected.The He of inner axis of heart stroke positioning mechanism 5
Inner axis of heart journey stop gear 6 is separately positioned on the knurling handle of the right-hand member of outer sleeve through hole 13 and inner axis of heart 2
Between the left side of end.
2 spacing A of V-ring groove 21 are equal with the spacing B of chamfering blade heart axle 4 of outer sleeve, V-arrangement
The anchor ring angle α of annular groove 21 is 58 °~62 °.Such structure may insure totally the 4 of the upper and lower sides of outer sleeve 1
One jiao of point of a knife of individual chamfering blade 3 can imbed in corresponding V-ring groove 21 simultaneously so that the present invention can be suitable
Profit enters in three rocker arm support holes 20.The centre-to-centre spacing C of two chamfering blades of equilateral triangle 3 is equal to
It is chamfered the distance between two vertical end faces of plate 10 of workpiece D, it is ensured that chamfering blade 3 can be simultaneously
Two rocker arm support holes 20 of cutting.
Inner axis of heart stroke positioning mechanism 5 includes steel ball 51, stage clip 52, styletable holding screw 53 and inner axis of heart
2 the first conical pits 541 and the second conical pit 542 for axially arranging on outer peripheral face, outer sleeve 1 is near the right side
Radially outward from flange 14, flange 14 is provided with the first radial hole 141 for the end one end termination of knurling handle 7,
Steel ball 51, stage clip 52 and styletable holding screw 53 are outwards vertically arranged successively from the inner side of outer sleeve through hole 13
In the first radial hole 141, the upper and lower sides of steel ball 51 are born against in the lower end of stage clip 52 and the first conical pit 541
Or in the upside of the second conical pit 542, the first conical pit 541 and the second conical pit 542 are used for the left side of inner axis of heart 2
The positioning for moving right.
Inner axis of heart journey stop gear 6 includes spacing stud 61 and axial limiting groove 62, spacing stud 61
It is vertically fixed in the second radial hole 142 of flange 14, the insertion of the termination of spacing stud 61 is set at heart
Axle 2 is in the axial limiting groove 62 of one end of knurling handle 7.When needing the rocker arm support hole to workpiece
20 when carrying out chamfering, rotates 2 knurling handles 7, and 4 on outer sleeve 1 are driven by spacing stud 61
Individual chamfering blade 3 carries out chamfer cutting to 2 rocker arm support holes 20 simultaneously.When inner axis of heart 2 is pulled,
Axial limiting groove 62 can be used to prevent inner axis of heart 2 from coming off outer sleeve 1.Inner axis of heart stroke positioning mechanism 5
Be may be provided in same cross section of the invention with inner axis of heart journey stop gear 6, also can not be same transversal
In face.
When chamfering blade 3 as shown in Figure 1 is in off working state, the equilateral triangle knife of chamfering blade 3
Point is to being embedded in V-ring groove 21, and the bottom horizontal 31 of the equilateral triangle of chamfering blade 3 is outside and low
In the outer peripheral face of notch 11 of outer sleeve 1, steel ball 51 is embedded in the first conical pit 541 of inner axis of heart 2, limit
The position upper end of stud 61 is located at the left end of axial limiting groove 62, and the present invention easily so is injected into cylinder of diesel engine
Three rocker arm support holes 20 of lid.
As shown in Fig. 2 during present invention work, the present invention of Fig. 1 states first is injected into rocker arm support hole 20
In, inner axis of heart 2 is then pushed away by the left side of knurling handle 7, V-ring groove 21 promotes chamfering blade 3 around rose reamer
The axis both clockwise of piece heart axle 4 rotates 60 °, now the protruding groove of equilateral triangle point of a knife of chamfering blade 3
Mouth 11, steel ball 51 is embedded in the second conical pit 542 of inner axis of heart 2, and the upper end of spacing stud 61 is located at axially
The right-hand member of stopper slot 62, the bottom horizontal 31 of the equilateral triangle of chamfering blade 3 is inwardly and against at heart
On the outer peripheral face of axle 2,4 left side inclined edges of chamfering blade 3 are resisted against two rocker arm support holes 20 simultaneously
Right side port, rotates 7,4 left side inclined edges of chamfering blade 3 of knurling handle around the axis of outer sleeve through hole 13
Rotate, can simultaneously cut two right side chamferings in rocker arm support hole 20.On right side, chamfer cutting is processed
Bi Hou, right drawing knurling handle 7 drives outer sleeve 1 to move to right, until 4 chamfering blades 3 by steel ball 51
Right side inclined edge be resisted against two rocker arm support holes 20 left side port simultaneously, repeat aforementioned process, complete two
The machining of the left side chamfering of individual rocker arm support hole 20.It is right by knurling handle 7 after processing is all finished
Inner axis of heart 2 is drawn, steel ball 51 is moved to right in the first conical pit 541 of embedded inner axis of heart 2, on spacing stud 61
End is located at the left end of axial limiting groove 62, and V-ring groove 21 is shifted to the right to the middle part of notch 11.Then will be outer
Sleeve 1 and the integral right of inner axis of heart 2 are drawn, and chamfering blade 3 is promoted around chamfering using the end face of vertical plate 10
The axis of blade heart axle 4 rotates counterclockwise 60 °, until the equilateral triangle point of a knife of chamfering blade 3 is inwardly injected
In V-ring groove 21, the bottom horizontal 31 of the equilateral triangle of chamfering blade 3 is outwards and less than outer sleeve 1
The outer peripheral face of notch 11, at this moment, so that it may from rocker arm support hole 20 extract out the present invention.
In addition to the implementation, the present invention can also have other embodiment, all use equivalents or equivalent
The technical scheme for being formed is converted, is all fallen within the protection domain of application claims.
Claims (3)
1. a kind of manual bidirectional chamfer tool, it is characterised in that：Including outer sleeve, inner axis of heart, several equilateral
The chamfering blade of triangle, several chamfering blade heart axles, inner axis of heart stroke positioning mechanism, inner axis of heart stroke limit
Position mechanism and several knurling handles, the barrel upper and lower sides difference axially spaced-apart of the outer sleeve set symmetrical
Notch, chamfering blade is inlaid in notch, and is hinged with the chamfering blade heart axle middle part for passing across notch,
Angle blade heart axle two ends are fixedly connected with the barrel of outer sleeve；Inner axis of heart is sleeved in outer sleeve through hole, heart
Axle axially spaced-apart is provided with several V-ring grooves corresponding with chamfering blade, several knurling handle one end respectively with it is interior
Heart axle one end is vertically fixedly connected；Inner axis of heart stroke positioning mechanism and inner axis of heart journey stop gear are respectively provided with
In outer sleeve through hole and the connection end of inner axis of heart；When chamfering blade is in off working state, chamfering blade etc.
Side triangle point of a knife is inwardly embedded in V-ring groove, the bottom horizontal of the equilateral triangle of chamfering blade outwards and
Less than the notch outer peripheral face of outer sleeve；When chamfering blade is in running order, the equilateral triangle of chamfering blade
The protruding notch of point of a knife, the bottom horizontal of the equilateral triangle of chamfering blade is inside and is resisted against inner axis of heart
On outer peripheral face；2 spacing A of V-ring groove are equal with the chamfering blade heart distance between axles B of outer sleeve, V-arrangement
The anchor ring angle α of annular groove is 58 °~62 °；Two centre-to-centre spacing C of the chamfering blade of equilateral triangle are equal to quilt
The distance between the vertical plate end face of two of chamfering workpiece D.
2. manual bidirectional chamfer tool as claimed in claim 1, it is characterised in that：The inner axis of heart stroke
Detent mechanism includes the several axially arrangements on steel ball, stage clip, styletable holding screw and inner axis of heart outer peripheral face
Conical pit, near knurling handle one end termination radially outward from flange, the flange is provided with outer sleeve
First radial hole, steel ball, stage clip and styletable holding screw are outwards vertically arranged successively from outer sleeve through hole inner side
In the first radial hole, during steel ball upper and lower sides are born against on the upside of stage clip lower end and conical pit.
3. manual bidirectional chamfer tool as claimed in claim 1, it is characterised in that：The inner axis of heart stroke
Position-limit mechanism includes spacing stud and axial limiting groove, and the spacing stud is vertically fixed on the second of flange
In radial hole, spacing stud termination insertion is arranged on axial limiting groove of the inner axis of heart near one end of knurling handle
In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770106.XA CN104625237B (en) | 2014-12-15 | 2014-12-15 | Manual two-way chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770106.XA CN104625237B (en) | 2014-12-15 | 2014-12-15 | Manual two-way chamfering tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625237A CN104625237A (en) | 2015-05-20 |
| CN104625237B true CN104625237B (en) | 2017-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410770106.XA Active CN104625237B (en) | 2014-12-15 | 2014-12-15 | Manual two-way chamfering tool |
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| Country | Link |
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| CN (1) | CN104625237B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497029B (en) * | 2019-07-31 | 2020-07-24 | 中国航发南方工业有限公司 | Positive and negative chamfering device and positive and negative orifice chamfering processing method of through hole |
| CN110666252A (en) * | 2019-10-29 | 2020-01-10 | 贵州天义电器有限责任公司 | High-efficient chamfer processing cutter |
| CN115609035B (en) * | 2022-11-09 | 2024-06-18 | 大连理工大学 | Axial-posture-adaptive array composite pipe clamping device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD270480A1 (en) * | 1988-04-12 | 1989-08-02 | Instandsetzung Kraftwerke Veb | DEVICE FOR MOUNTING THE INTERNAL EDGE OF HOLES |
| CN102642033A (en) * | 2012-04-20 | 2012-08-22 | 镇江中船设备有限公司 | Special cutter for chamfering front and back sides of connecting hole at flange end of camshaft |
| CN102717105A (en) * | 2012-06-14 | 2012-10-10 | 江苏双良锅炉有限公司 | Reverse chamfering tool rest for pipe holes of boiler drums |
| CN103894637A (en) * | 2014-04-16 | 2014-07-02 | 贵州红林机械有限公司 | Machine-used tool with orifice chamfering size consistency of round hole in three-dimensional molded surface |
| CN204430445U (en) * | 2014-12-15 | 2015-07-01 | 中船动力有限公司 | Manual bidirectional chamfer tool |
-
2014
- 2014-12-15 CN CN201410770106.XA patent/CN104625237B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD270480A1 (en) * | 1988-04-12 | 1989-08-02 | Instandsetzung Kraftwerke Veb | DEVICE FOR MOUNTING THE INTERNAL EDGE OF HOLES |
| CN102642033A (en) * | 2012-04-20 | 2012-08-22 | 镇江中船设备有限公司 | Special cutter for chamfering front and back sides of connecting hole at flange end of camshaft |
| CN102717105A (en) * | 2012-06-14 | 2012-10-10 | 江苏双良锅炉有限公司 | Reverse chamfering tool rest for pipe holes of boiler drums |
| CN103894637A (en) * | 2014-04-16 | 2014-07-02 | 贵州红林机械有限公司 | Machine-used tool with orifice chamfering size consistency of round hole in three-dimensional molded surface |
| CN204430445U (en) * | 2014-12-15 | 2015-07-01 | 中船动力有限公司 | Manual bidirectional chamfer tool |
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| Publication number | Publication date |
|---|---|
| CN104625237A (en) | 2015-05-20 |
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Address after: 212211 No. 402, Changjiang Road, Zhenjiang City, Jiangsu Province Patentee after: China Shipbuilding Power Zhenjiang Co.,Ltd. Address before: 402 Changjiang Road, Runzhou District, Zhenjiang City, Jiangsu Province Patentee before: CSSC MARINE POWER Co.,Ltd. |