CN1161262A - Hobs for mfg. gear teeth with coarse processing or fine processing of integral arbor assembly type - Google Patents
Hobs for mfg. gear teeth with coarse processing or fine processing of integral arbor assembly type Download PDFInfo
- Publication number
- CN1161262A CN1161262A CN 96117854 CN96117854A CN1161262A CN 1161262 A CN1161262 A CN 1161262A CN 96117854 CN96117854 CN 96117854 CN 96117854 A CN96117854 A CN 96117854A CN 1161262 A CN1161262 A CN 1161262A
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- China
- Prior art keywords
- blade
- knife bar
- rough lumber
- whole knife
- groove
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- Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
Abstract
The invented hob is suitable for machining the involute gear, non-involute gear and the spline tooth. Its characteristic changes the original separate structure of hob and cutter arbor into an integral arbor structure, on which the axial notch is cut and in said notch the coarse cutting bit and fine cutting bit are super posed. At two ends of the notch there are shaft shoulder locating piece, holddown washer and holddown nut separately to make the coarse and fine cutting bits axially located. The advantages are good integral rigidity, high accuracy for working component part, convenient for assembling and disassembling bit, capable of regrinding coarse cutting bit, the fine cutting bit is disposable, simple for machining the coarse and fine cutting bits and capable of bulk prodn.
Description
The present invention relates to a kind of machining cutting element, in particular for the hobboing cutter of cutting involute, non-involute gear and spline teeth.
At present, the hobboing cutter that is used for Cutting Machining of Gear, spline teeth is made up of knife bar, hobboing cutter, axial location part etc.Its knife bar and hobboing cutter are split version, and hobboing cutter is sleeved on the knife bar, transmit cutting force by key.In hobbing process, because the rake face of each cutting teeth of hobboing cutter has only one, promptly thick, smart cutting is all finished by hob profile, therefore, and hobboing cutter quality requirement height.It not only will select precious materials for use, and the process-cycle is long, generally need through forging, car, mill, multi-step process such as shovel, mill, heat treatment, setting processing just can make, the prepared hobboing cutter often contradiction between profile error and the machining condition can't improve.In working angles, behind the hobboing cutter blunt, need reconditioning hobboing cutter rake face, the reconditioning of hobboing cutter is generally carried out on the special-purpose hob cutter grinding machine, each reconditioning needs knife bar and hobboing cutter taken off from lathe and is contained on the grinding machine, after reconditioning is good, again knife bar and hobboing cutter are taken off from grinding machine, reinstall lathe.And need readjust lathe.After hobboing cutter was refaced, hob profile changed, and revised difficulty, will cause the workpiece machining accuracy to reduce.In addition, the hobboing cutter that uses at present is unfavorable for producing in batches.
The purpose of this invention is to provide thick, the smart cutting hobbing cutter of a kind of whole knife bar assembled, improve machining condition in the working angles, solve the contradiction between machining condition and the appearance error with this.When guaranteeing product quality, reduce the cost of charp tool, reduce non-cutting time, enhance productivity.
The object of the present invention is achieved like this: change the branch body structure of original hobboing cutter and knife bar into whole lever structure, thick, the smart machining that the hob profile one is finished changes the rough lumber blade into and finishes rough cut processing, and finishing blade is finished smart machining.Its structural feature is: thick, the smart cutting hobbing cutter of whole knife bar assembled is made up of whole knife bar, shaft shoulder keeper, rough lumber blade, finishing blade, packing washer, clamp nut and screw; Whole knife bar two diameter is little, and the middle part diameter is big, and the place has helix in major diameter, and axially has groove, has stacked rough lumber blade and finishing blade in groove, and the rough lumber blade is fixed by screw, finishing blade by the wedging of rough lumber blade in groove; Load the intrinsic shaft shoulder at a headgear of whole knife bar four grooves and decide part, the other end is with packing washer and clamp nut, and packing washer and shaft shoulder keeper axially are fixed on finishing blade and heavy-duty tool sheet in the groove of whole knife bar.
Whole knife bar of the present invention is contained in the machine tool chief axis with transferring power.The rough lumber blade cuts main chipping allowance, and the finishing blade excision lefts in surplus, to guarantee the machining accuracy of workpiece.Behind blade abrasion, unclamp clamp nut and unload screw, the just replaceable finishing blade and the rough lumber blade of refacing.
The present invention has following advantage:
1. the geometric angle by the rough lumber blade changes, and can improve the machining condition (machining condition refers to the vibration in cutting force, heat in metal cutting, the cutting etc.) in the working angles greatly.Because thick, smart machining is finished by thick, finishing blade respectively, even if reface the rough lumber blade, also can not influence the profile of tooth of finishing blade, and finishing blade allowance is little, and the appearance error is little, so can guarantee the machining accuracy of part.Thereby also can solve the contradiction between machining condition and the appearance error.
2. thick, smart blade is contained on the whole knife bar, the tool system good rigidly.
3. the present invention makes system simply, and manufacturing procedure is short, uses few, thick, the smart blade of precious metal to help batch process, low cost of manufacture.
4. the rough lumber blade can be refaced according to actual needs, need not use this class special purpose machine tool of hob sharpener.After the finishing blade wearing and tearing, only need they are changed.And do not need to pull down whole knife bar when changeing, and do not need to readjust lathe yet, reduced the shop like this to help the time, improved production efficiency.
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a front view of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1.
As seen from Figure 1, Figure 2: the present invention is made up of whole knife bar 1, shaft shoulder keeper 2, rough lumber blade 3, finishing blade 4, packing washer 5, clamp nut 6 and screw 7.Annexation and architectural feature between them are: whole knife bar 1 two diameter is little, the middle part diameter is big, the place has helix in major diameter, and axially have a groove, rough lumber blade 3 and finishing blade 4 in groove, have been stacked, rough lumber blade 3 is fixed by screw, finishing blade 4 by 3 wedgings of rough lumber blade in groove; Load the intrinsic shaft shoulder at a headgear of whole knife bar 1 groove and decide part 2, the other end is with packing washer 5 and clamp nut 6, and packing washer 5 and shaft shoulder keeper 2 are axially fixed in finishing blade 4 and rough lumber blade 3 in the groove of whole knife bar 1.
Can further find out from Fig. 1: shaft shoulder keeper 2 and packing washer 5 all have inner conical surface, and amplexiform the lower surface of their inner conical surface and finishing blade 4 and rough lumber blade 3.Shaft shoulder keeper 2 can be fixed on the whole knife bar 1 axial location thick, finishing blade 3,4 that its inner conical surface is done by forms such as welding of bonding, ion or mechanical connections.Packing washer 5 and clamp nut 6 are made axial compression.
Can further be found out by Fig. 2: it is the inclined-plane that the groove cell wall of whole knife bar 1 has one side, and the lower inclined plane of this inclined-plane and rough lumber blade 3 is fitted.Screw 7 fastening rough lumber blades 3 are on whole knife bar 1, and simultaneously, rough lumber blade 3 cooperates with inclined-plane on the whole knife bar 1, and further wedging finishing blade 4 makes it to become integral body on whole knife bar 1.
Claims (3)
1. thick, smart cutting hobbing cutter of whole knife bar assembled, it is characterized in that: it is made up of whole knife bar (1), shaft shoulder keeper (2), rough lumber blade (3), finishing blade (4), packing washer (5), clamp nut (6) and screw (1); Whole knife bar (1) two diameter is little, and the middle part diameter is big, and the place has helix in major diameter, and axially have a groove, stacked rough lumber blade (3) and finishing blade (4) in groove, rough lumber blade (3) is fixed by screw, finishing blade (4) by rough lumber blade (3) wedging in groove; Headgear at whole knife bar (1) groove loads intrinsic shaft shoulder keeper (2), the other end is with packing washer (5) and clamp nut (6), and packing washer (5) and shaft shoulder keeper (2) are axially fixed in finishing blade (4) and rough lumber blade (3) in the groove of whole knife bar (1).
2. thick, the smart cutting hobbing cutter of whole knife bar assembled according to claim 1 is characterized in that shaft shoulder keeper (2) and packing washer (5) all have inner conical surface, and amplexiform the lower surface of their inner conical surface and finishing blade (4) and rough lumber blade (3).
3. thick, the smart cutting hobbing cutter of whole knife bar assembled according to claim 1, it is the inclined-plane that the groove cell wall that it is characterized in that whole knife bar (1) has one side, the lower inclined plane applying of this inclined-plane and rough lumber blade (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96117854 CN1161262A (en) | 1996-12-24 | 1996-12-24 | Hobs for mfg. gear teeth with coarse processing or fine processing of integral arbor assembly type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96117854 CN1161262A (en) | 1996-12-24 | 1996-12-24 | Hobs for mfg. gear teeth with coarse processing or fine processing of integral arbor assembly type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1161262A true CN1161262A (en) | 1997-10-08 |
Family
ID=5124670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96117854 Pending CN1161262A (en) | 1996-12-24 | 1996-12-24 | Hobs for mfg. gear teeth with coarse processing or fine processing of integral arbor assembly type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1161262A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706889A (en) * | 2013-12-31 | 2014-04-09 | 苏州亚太金属有限公司 | Rough and finish machining integrated hobbing cutter |
| CN104588785A (en) * | 2014-12-05 | 2015-05-06 | 重庆大学 | Inner-cooling type hobbing cutter |
-
1996
- 1996-12-24 CN CN 96117854 patent/CN1161262A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706889A (en) * | 2013-12-31 | 2014-04-09 | 苏州亚太金属有限公司 | Rough and finish machining integrated hobbing cutter |
| CN104588785A (en) * | 2014-12-05 | 2015-05-06 | 重庆大学 | Inner-cooling type hobbing cutter |
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|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |