CN104625237A - Manual two-way chamfering tool - Google Patents
Manual two-way chamfering tool Download PDFInfo
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- CN104625237A CN104625237A CN201410770106.XA CN201410770106A CN104625237A CN 104625237 A CN104625237 A CN 104625237A CN 201410770106 A CN201410770106 A CN 201410770106A CN 104625237 A CN104625237 A CN 104625237A
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- heart
- inner axis
- chamfering
- outer sleeve
- 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
The present invention relates to a kind of specific purpose tool for part chamfering, especially a kind of simultaneously coaxial to part micro-pore face by hand that adopts 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 to carry out chamfering at multiple through hole end faces of longitudinal arrangement, as shown in Figure 2, the rocker arm support of cylinder cover for diesel engine extends upward three vertical plates 10 side by side, the quality being provided with 20, three rocker arm support hole 20 crudies in three rocker arm support holes coaxially to each other in three vertical panels 10 respectively directly has influence on overall performance and the service life of diesel engine.Because three rocker arm support holes 20 are coaxial through-hole, chamfering cannot be carried out by machine cut processing mode in four apertures inside it, and this brings great inconvenience to follow-up assembly work.
Summary of the invention
The object of this invention is to provide that a kind of structure is simple, easy to operate, the manual bidirectional chamfer tool of low cost of manufacture, long service life.
The present invention is achieved by the following technical programs:
A kind of manual bidirectional chamfer tool, comprise outer sleeve, inner axis of heart, the chamfering blade of several equilateral triangle, several chamfering blade axle, inner axis of heart stroke positioning mechanism, outer sleeve be connected with inner axis of heart and inner axis of heart journey stop gear and several knurling handle, the barrel upper and lower sides of described outer sleeve respectively axially spaced-apart arranges symmetrical notch, chamfering blade is inlaid in notch, and with the chamfering blade axle passing across notch in the middle part of hinged, chamfering blade axle two ends are fixedly connected with the barrel of outer sleeve; Inner axis of heart is sleeved in outer sleeve through hole, and inner axis of heart spaced radial is provided with several V-ring grooves corresponding with chamfering blade, and several knurling handle one end is fixedly connected with inner axis of heart one end is vertical respectively; Described inner axis of heart stroke positioning mechanism and inner axis of heart journey stop gear are separately positioned on the link of outer sleeve through hole and inner axis of heart; When chamfering blade is in off working state, the equilateral triangle point of a knife of chamfering blade is to being embedded in V-ring groove, and the bottom horizontal of the equilateral triangle of chamfering blade is outwards and lower than the notch outer peripheral face of outer sleeve; When chamfering blade is in running order, the protruding notch of equilateral triangle point of a knife of chamfering blade, the bottom horizontal of the equilateral triangle of chamfering blade inwardly and be resisted against on the outer peripheral face of inner axis of heart.
Object of the present invention can also be realized further by following technical measures.
Aforesaid manual bidirectional chamfer tool, the spacing A of several V-ring grooves wherein said is equal with the chamfering blade axle spacing B of outer sleeve; The anchor ring angle α of V-ring groove is 58 ° ~ 62 °.
Aforesaid manual bidirectional chamfer tool, wherein said inner axis of heart stroke positioning mechanism comprises the conical pit of the several axially-aligned on steel ball, stage clip, styletable holding screw and inner axis of heart outer peripheral face, outer sleeve extends flange near termination, knurling handle one end radial direction, described flange is provided with the first radial hole, steel ball, stage clip and styletable holding screw are outwards vertically set in the first radial hole successively inside outer sleeve through hole, and steel ball upper and lower sides is resisted against on the upside of stage clip lower end and conical pit respectively.
Aforesaid manual bidirectional chamfer tool, wherein said inner axis of heart journey stop gear comprises spacing stud and axial limiting groove, described spacing stud is vertically fixed in the second radial hole of flange, and spacing stud termination embeds and is arranged on inner axis of heart in the axial limiting groove of one end of knurling handle.
Aforesaid manual bidirectional chamfer tool, wherein the centre-to-centre spacing C of the chamfering blade of two equilateral triangles equals the distance between two vertical plate end faces of the workpiece of chamfering.
Structure of the present invention is simple, easy to use, as long as the present invention is injected in the rocker arm support hole of cylinder cover for diesel engine, and make the hypotenuse cutting edge of chamfering blade be resisted against on corresponding rocker arm support hole end surface, rotate knurling handle to corresponding rocker arm support hole chamfering simultaneously, just can complete several rocker arm support hole end surface chamferings of the same side simultaneously; Then repeat aforementioned process after moving axially the present invention, just can complete several rocker arm support hole end surface chamferings of opposite side.Chamfering quickness and high efficiency, solves rocker arm support hole medial surface and machine cut processing mode cannot be adopted to carry out a difficult problem for chamfering, substantially increase working (machining) efficiency and crudy.
Advantage and disadvantage of the present invention, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the structure diagram after the present invention assembles;
Fig. 2 is the structure diagram of off working state of the present invention;
Fig. 3 is the A-A profile of Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in FIG. 1 to 3, the present embodiment comprises outer sleeve 1, the chamfering blade 3 of inner axis of heart 2,4 equilateral triangles, chamfering blade axle 4, inner axis of heart stroke positioning mechanism 5, outer sleeve are connected with inner axis of heart and inner axis of heart journey stop gear 6 and 2 knurling handles 7, have two notches 12 that axially spaced-apart is arranged on the upside of the barrel 11 of outer sleeve 1, 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 be supported on pass across notch 12 chamfering blade axle 4 in the middle part of on, chamfering blade axle 4 two ends are fixedly connected with by interference fit with the barrel 11 of outer sleeve 1.Be sleeved on inner axis of heart 2 and outer sleeve through hole 13 matched in clearance in outer sleeve through hole 13, its fit clearance is 0.10 ~ 0.30mm.Inner axis of heart 2 spaced radial is provided with 2 V-ring groove 21, two knurling handle 7 one end corresponding with chamfering blade 3 and is fixedly connected with inner axis of heart 2 right-hand member is vertical respectively.Between on the left of the knurling handle end that inner axis of heart stroke positioning mechanism 5 and inner axis of heart journey stop gear 6 are separately positioned on outer sleeve through hole 13 right-hand member and inner axis of heart 2.
Article 2, the spacing A of V-ring groove 21 is equal with the chamfering blade axle 4 spacing B of outer sleeve, and the anchor ring angle α of V-ring groove 21 is 58 ° ~ 62 °.Such structure can guarantee that one jiao of point of a knife of totally 4 chamfering blades 3 of outer sleeve 1 upper and lower sides can imbed in corresponding V-ring groove 21 simultaneously, and the present invention can be entered in three rocker arm support holes 20 smoothly.The centre-to-centre spacing C of the chamfering blade 3 of two equilateral triangles equals the distance D between two vertical plate 10 end faces of chamfering workpiece, guarantees that chamfering blade 3 can cut two rocker arm support holes 20 simultaneously.
Inner axis of heart stroke positioning mechanism 5 comprises steel ball 51, stage clip 52, first conical pit 541 and the second conical pit 542 of 2 axially-aligned on styletable holding screw 53 and inner axis of heart outer peripheral face, outer sleeve 1 extends flange 14 near termination, right-hand member knurling handle 7 one end radial direction, flange 14 is provided with the first radial hole 141, steel ball 51, stage clip 52 and styletable holding screw 53 are outwards vertically set in the first radial hole 141 successively inside outer sleeve through hole 13, steel ball 51 upper and lower sides is resisted against on the upside of stage clip 52 lower end and the first conical pit 541 or the second conical pit 542 respectively, the location that first conical pit 541 and the second conical pit 542 move left and right for inner axis of heart 2.
Inner axis of heart journey stop gear 6 comprises spacing stud 61 and axial limiting groove 62, spacing stud 61 is vertically fixed in the second radial hole 142 of flange 14, and spacing stud 61 termination embeds and is arranged on inner axis of heart 2 in the axial limiting groove 62 of one end of knurling handle 7.When needing to carry out chamfering to the rocker arm support hole 20 of workpiece, rotating 2 knurling handles 7, driving 4 chamfering blades 3 on outer sleeve 1 to carry out chamfering cutting to 2 rocker arm support holes 20 by spacing stud 61 simultaneously.When pulling inner axis of heart 2, axial limiting groove 62 can be used for preventing inner axis of heart 2 to come off outer sleeve 1.Inner axis of heart stroke positioning mechanism 5 and inner axis of heart journey stop gear 6 can be arranged in same cross section of the present invention, also can not in same cross section.
When chamfering blade 3 is as shown in Figure 1 in off working state, the equilateral triangle point of a knife of chamfering blade 3 is to being embedded in V-ring groove 21, the bottom horizontal 31 of the equilateral triangle of chamfering blade 3 is outwards and lower than notch 11 outer peripheral face of outer sleeve 1, steel ball 51 is embedded in the first conical pit 541 of inner axis of heart 2, spacing stud 61 upper end is positioned at the left end of axial limiting groove 62, easy like this three the rocker arm support holes 20 the present invention being injected cylinder cover for diesel engine.
As shown in Figure 2, when the present invention works, first the present invention of Fig. 1 state is injected in rocker arm support hole 20, then inner axis of heart 2 is pushed away by knurling handle 7 left side, V-ring groove 21 promotes chamfering blade 3 and rotates 60 ° around chamfering blade axle 4 axis both clockwise, the now protruding notch 11 of the equilateral triangle point of a knife of chamfering blade 3, steel ball 51 is embedded in the second conical pit 542 of inner axis of heart 2, spacing stud 61 upper end is positioned at the right-hand member of axial limiting groove 62, the bottom horizontal 31 of the equilateral triangle of chamfering blade 3 inwardly and be resisted against on the outer peripheral face of inner axis of heart 2, the oblique sword in left side of 4 chamfering blades 3 is resisted against port on the right side of two rocker arm support holes 20 simultaneously, rotate knurling handle 7, the oblique sword in left side of 4 chamfering blades 3 rotates around outer sleeve through hole 13 axis, the right side chamfering in two rocker arm support holes 20 can be cut simultaneously.After right side chamfering cuts completion of processing, knurling handle 7 is drawn on the right side, drives outer sleeve 1 to move to right by steel ball 51, until the oblique sword in the right side of 4 chamfering blades 3 is resisted against port on the left of two rocker arm support holes 20 simultaneously, repeat aforementioned process, complete the machining of chamfering on the left of two rocker arm support holes 20.After processing all, draw inner axis of heart 2 by knurling handle 7 right side, steel ball 51 moves to right in the first conical pit 541 of embedding inner axis of heart 2, and spacing stud 61 upper end is positioned 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 outer sleeve 1 and inner axis of heart 2 integral right are drawn, utilize the end face of vertical plate 10 to promote chamfering blade 3 and rotate counterclockwise 60 ° around chamfering blade axle 4 axis, until the equilateral triangle point of a knife of chamfering blade 3 inwardly injects in V-ring groove 21, the bottom horizontal 31 of the equilateral triangle of chamfering blade 3 is outwards and lower than notch 11 outer peripheral face of outer sleeve 1, at this moment, just the present invention can be extracted out from rocker arm support hole 20.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (6)
1. a manual bidirectional chamfer tool, it is characterized in that: comprise outer sleeve, inner axis of heart, the chamfering blade of several equilateral triangle, several chamfering blade axle, inner axis of heart stroke positioning mechanism, inner axis of heart journey stop gear and several knurling handle, the barrel upper and lower sides of described outer sleeve respectively axially spaced-apart arranges symmetrical notch, chamfering blade is inlaid in notch, and with the chamfering blade axle passing across notch in the middle part of hinged, chamfering blade axle two ends are fixedly connected with the barrel of outer sleeve; Inner axis of heart is sleeved in outer sleeve through hole, and inner axis of heart spaced radial is provided with several V-ring grooves corresponding with chamfering blade, and several knurling handle one end is fixedly connected with inner axis of heart one end is vertical respectively; Inner axis of heart stroke positioning mechanism and inner axis of heart journey stop gear are separately positioned on the link of outer sleeve through hole and inner axis of heart; When chamfering blade is in off working state, the equilateral triangle point of a knife of chamfering blade is to being embedded in V-ring groove, and the bottom horizontal of the equilateral triangle of chamfering blade is outwards and lower than the notch outer peripheral face of outer sleeve; When chamfering blade is in running order, the protruding notch of equilateral triangle point of a knife of chamfering blade, the bottom horizontal of the equilateral triangle of chamfering blade inwardly and be resisted against on the outer peripheral face of inner axis of heart.
2. manual bidirectional chamfer tool as claimed in claim 1, is characterized in that: the spacing A of several V-ring grooves described is equal with the chamfering blade axle spacing B of outer sleeve.
3. manual bidirectional chamfer tool as claimed in claim 1, is characterized in that: the anchor ring angle α of described V-ring groove is 58 ° ~ 62 °.
4. manual bidirectional chamfer tool as claimed in claim 1, it is characterized in that: described inner axis of heart stroke positioning mechanism comprises the conical pit of the several axially-aligned on steel ball, stage clip, styletable holding screw and inner axis of heart outer peripheral face, outer sleeve extends flange near termination, knurling handle one end radial direction, described flange is provided with the first radial hole, steel ball, stage clip and styletable holding screw are outwards vertically set in the first radial hole successively inside outer sleeve through hole, and steel ball upper and lower sides is resisted against on the upside of stage clip lower end and conical pit respectively.
5. manual bidirectional chamfer tool as claimed in claim 1, it is characterized in that: inner axis of heart journey stop gear of addressing comprises spacing stud and axial limiting groove, described spacing stud is vertically fixed in the second radial hole of flange, and spacing stud termination embeds and is arranged on inner axis of heart in the axial limiting groove of one end of knurling handle.
6. manual bidirectional chamfer tool as claimed in claim 1, is characterized in that: the centre-to-centre spacing C of the chamfering blade of two equilateral triangles equals the distance D between two vertical plate end faces of the workpiece of chamfering.
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 true CN104625237A (en) | 2015-05-20 |
| CN104625237B CN104625237B (en) | 2017-05-24 |
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| 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497029A (en) * | 2019-07-31 | 2019-11-26 | 中国航发南方工业有限公司 | The front and back sides orifice chamfer processing method of positive and negative facing attachment and 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 |
| CN115609035A (en) * | 2022-11-09 | 2023-01-17 | 大连理工大学 | Axial attitude self-adaptive array composite pipe clamping device and method |
Citations (4)
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| 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 |
Family Cites Families (1)
| 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 |
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2014
- 2014-12-15 CN CN201410770106.XA patent/CN104625237B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497029A (en) * | 2019-07-31 | 2019-11-26 | 中国航发南方工业有限公司 | The front and back sides orifice chamfer processing method of positive and negative facing attachment and 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 |
| CN115609035A (en) * | 2022-11-09 | 2023-01-17 | 大连理工大学 | Axial attitude self-adaptive array composite pipe clamping device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104625237B (en) | 2017-05-24 |
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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. |