CN204430445U - Manual bidirectional chamfer tool - Google Patents
Manual bidirectional chamfer tool Download PDFInfo
- Publication number
- CN204430445U CN204430445U CN201420788668.2U CN201420788668U CN204430445U CN 204430445 U CN204430445 U CN 204430445U CN 201420788668 U CN201420788668 U CN 201420788668U CN 204430445 U CN204430445 U CN 204430445U
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- CN
- China
- Prior art keywords
- heart
- inner axis
- outer sleeve
- chamfering blade
- chamfering
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- 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.)
- Expired - Fee Related
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000003754 machining Methods 0.000 abstract description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model discloses 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 and inner axis of heart journey stop gear, the barrel upper and lower sides of outer sleeve respectively axially spaced-apart arranges symmetrical notch, chamfering blade is inlaid in notch, inner axis of heart is sleeved in outer sleeve through hole, inner axis of heart spaced radial is provided with several V-ring grooves, and 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.The utility model structure is simple, easy to use, can complete several rocker arm support hole end surface chamferings of the same side simultaneously, then completes 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.
Description
Technical field
The utility model relates to a kind of specific purpose tool for part chamfering, and 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.
Utility model content
The purpose of this utility model 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 utility model 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.
The purpose of this utility model 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.
The utility model structure is simple, easy to use, as long as the utility model 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 utility model, 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 utility model, 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 utility model assembling;
Fig. 2 is the structure diagram of the utility model off working state;
Fig. 3 is the A-A profile of Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
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 11 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 utility model 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.
As shown in Figure 3, 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 utility model, 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 utility model being injected cylinder cover for diesel engine.
As shown in Figure 2, during utility model works, first the utility model 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 utility model can be extracted out from rocker arm support hole 20.
In addition to the implementation, the utility model 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 the utility model requirement.
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: described 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.
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 |
|---|---|---|---|
| CN201420788668.2U CN204430445U (en) | 2014-12-15 | 2014-12-15 | Manual bidirectional chamfer tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420788668.2U CN204430445U (en) | 2014-12-15 | 2014-12-15 | Manual bidirectional chamfer tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204430445U true CN204430445U (en) | 2015-07-01 |
Family
ID=53598365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420788668.2U Expired - Fee Related CN204430445U (en) | 2014-12-15 | 2014-12-15 | Manual bidirectional chamfer tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204430445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625237A (en) * | 2014-12-15 | 2015-05-20 | 中船动力有限公司 | Manual two-way chamfering tool |
-
2014
- 2014-12-15 CN CN201420788668.2U patent/CN204430445U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625237A (en) * | 2014-12-15 | 2015-05-20 | 中船动力有限公司 | Manual two-way chamfering tool |
| CN104625237B (en) * | 2014-12-15 | 2017-05-24 | 中船动力有限公司 | Manual two-way chamfering tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 |