CN204035712U - The gear hobbing tooling of disk gear - Google Patents
The gear hobbing tooling of disk gear Download PDFInfo
- Publication number
- CN204035712U CN204035712U CN201420495580.1U CN201420495580U CN204035712U CN 204035712 U CN204035712 U CN 204035712U CN 201420495580 U CN201420495580 U CN 201420495580U CN 204035712 U CN204035712 U CN 204035712U
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- China
- Prior art keywords
- axle
- spacer
- gear
- circular hole
- steel ball
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Abstract
The utility model proposes a kind of gear hobbing tooling of disk gear, comprise axle, axle comprises the second set collar arranged from right to left, first set collar, the spacing axle collar, axle body, axle body is socketed with spacer, spacer right-hand member is by being fixed on the packing ring axial limiting on the spacing axle collar, spacer left end is by being arranged on the stop screw axial limiting on axle body, spacer sidewall is evenly distributed with circular hole, rotating steel ball is inlaid with in circular hole, circular hole one end is provided with carries out the spacing conical surface to steel ball, the riveted joint of the circular hole other end has carries out spacing conical ring to steel ball, the conical ring of riveted joint is convenient to be installed and changes steel ball, axle left end coaxial sleeve is connected to the pressing plate of band U-type groove, the axle of pressing plate left end is provided with nut.The utility model is under the prerequisite ensureing disk gear machining accuracy, and disk gear hole size also can normally implement gear hobbing operation when tolerance lower deviation surpasses 0.005 ~ 0.01mm, and uses faster convenience.
Description
Technical field
The utility model relates to field of machining, refers to a kind of gear hobbing tooling of disk gear especially.
Background technology
Existing disk gear class gear hobbing tooling, adopt hard-core axle, pressing plate, nut check workpiece to carry out Rolling-cut shear, when inner hole of workpiece size surpasses 0.005 ~ 0.01mm in tolerance lower deviation, workpiece cannot be assemblied in axle and process, and need prepare special gear hobbing axle.And inner hole of workpiece exists tolerance mostly in process of production, use during above-mentioned frock and need to need classification, rolling cut in batches to inner hole of workpiece size.Have technology to propose to make mandrel diameters be less than inner hole of workpiece size, make axle can adapt to inner hole of workpiece size range comparatively wide, there is the problem that gap between axle and inner hole of workpiece is larger like this, then the machining accuracy of product can not be guaranteed again, affects the quality of product.
Utility model content
The utility model makes improvements for above-mentioned prior art Problems existing, the technical issues that need to address are under the prerequisite ensureing disk gear machining accuracy, disk gear hole size also can normally implement gear hobbing operation when tolerance lower deviation surpasses 0.005 ~ 0.01mm, so propose a kind of gear hobbing tooling of disk gear.
The utility model is achieved in that a kind of gear hobbing tooling of disk gear, comprise the axle be fixed on lathe, described axle comprises the second set collar arranged from right to left, first set collar, the spacing axle collar, axle body, described first set collar and the second set collar all have plane, described axle body is socketed with spacer, during processing, spacer periphery is equipped with gear to be processed, described spacer right-hand member is by being fixed on the packing ring axial limiting on the spacing axle collar, described spacer left end is by being arranged on the stop screw axial limiting on described axle body, described spacer sidewall is evenly distributed with circular hole, rotating steel ball is inlaid with in described circular hole, described circular hole one end is provided with carries out the spacing conical surface to steel ball, described circular hole other end riveted joint has carries out spacing conical ring to steel ball, the conical ring of riveted joint is convenient to be installed and changes steel ball, described axle left end coaxial sleeve is connected to the pressing plate of band U type groove, the axle of described pressing plate left end is provided with nut, U-type groove be arranged so that pressing plate can vertically take out and assemble, easy to use.
Improve as one, described packing ring is fixed on the spacing axle collar by several lock-screw, described packing ring and the spacing axle collar all have several lightening hole, the external diameter of described packing ring left end is not more than the root diameter of the first gear to be processed and the second gear to be processed, and the external diameter of described packing ring left end is greater than the external diameter of spacer.Packing ring for hobboing cutter sufficient gear hobbing space is provided while treat machining gears and spacer carries out axial limiting.
Preferred as one, described pressing plate is set to bowl-type, described U-type groove forms by the circular hole be arranged on described pressing plate central axis with from the outward extending opening of described circular hole, the diameter of described circular hole is identical with the diameter of the axle of its socket place, the width of described opening is identical with the diameter of described circular hole, after unscrewing nut, pressing plate can directly take out from axle.
Preferred as one, the diameter of the described conical surface reduces gradually along described spacer central axial direction, and the internal diameter of described conical ring is along reducing gradually away from described spacer central axial direction, and the diameter of described steel ball is greater than the sidewall thickness of spacer.
Improve as one, in order to prevent steel ball to wear and tear in rolling process axle body, described axle body outer wall is provided with wear-resistant coating, and described wear-resistant coating comprises chromium carbide coating.
The utility model adopts such scheme, structure is simple, easy to use, adopt the auxiliary installation of the spacer of band steel ball and locate gear to be processed, positioning precision is high, without the need to endoporus or the classification rolling cut of doing over again when surpassing 0.005 ~ 0.01mm to inner hole of workpiece tolerance lower deviation, only rotating the fixable/dismountable gear to be processed of spacer; The pressing plate of band U-type groove is adopted to lock screw in compression gear to be processed, make the handling of gear to be processed very convenient, so the utility model is under the prerequisite ensureing disk gear machining accuracy, disk gear hole size also can normally implement gear hobbing operation when tolerance lower deviation surpasses 0.005 ~ 0.01mm, and uses faster convenience.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the gear hobbing tooling of the utility model disk gear;
Fig. 2 is the left view of the limit shaft loop section of the gear hobbing tooling of disk gear in Fig. 1;
Fig. 3 is the left view of the packing ring part of the gear hobbing tooling of disk gear in Fig. 1;
Fig. 4 is the schematic diagram of the spacer section of the gear hobbing tooling of disk gear in Fig. 1;
Fig. 5 be the gear hobbing tooling of disk gear in Fig. 1 spacer on the schematic diagram that coordinates of circular hole and steel ball;
Fig. 6 is the sectional view of the clamp portion of the gear hobbing tooling of disk gear in Fig. 1;
Fig. 7 is the left view of Fig. 6 center platen.
In figure, the corresponding name of sequence number is called:
1, nut, 2, pressing plate, 201, U-type groove, 3, stop screw, 4, spacer, 401, steel ball, 402, circular hole, 402a, the conical surface, 402b, conical ring, 5, packing ring, 6, lock-screw, 7, axle, 701, axle body, 702, the spacing axle collar, 703, the first set collar, the 704, second set collar, 8a, the first gear to be processed, 8b, the second gear to be processed, 9, hobboing cutter.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The gear hobbing tooling of a kind of disk gear as shown in Figures 1 to 4, comprise the axle 7 be fixed on lathe, described axle 7 comprises the second set collar 704 arranged from right to left, first set collar 703, the spacing axle collar 702, axle body 701, described first set collar 703 and the second set collar 704 all have plane, described axle body 701 is socketed with spacer 4, described spacer 4 right-hand member is by being fixed on packing ring 5 axial limiting on the spacing axle collar 702, special packing ring 5 is arranged to stepped, described spacer 4 left end is by being arranged on stop screw 3 axial limiting on described axle body 701, described spacer 4 sidewall is evenly distributed with circular hole 402, rotating steel ball 401 is inlaid with in described circular hole 402, the diameter of obvious steel ball 401 is slightly larger than the wall thickness of spacer 4, described circular hole 402 one end is provided with carries out spacing conical surface 402a to steel ball 401, described circular hole 402 other end riveted joint has carries out spacing conical ring 402b to steel ball 401, described axle 7 left end coaxial sleeve is connected to the pressing plate 2 of band U-type groove 201, the axle 7 of described pressing plate 2 left end is provided with nut 1.
During use, by the first set collar 703 and the second set collar 704 by axle 7 on gear hobbing lathe, then the circumference correcting axle body 701 periphery is beated, when the circumference of axle body 701 periphery beat≤0.01mm time load spacer 4, then two gears to be processed are enclosed within spacer 4 successively, loading onto pressing plate 2 and screwing locking nut 1 is with dynamic pressure plate 2 to compress gear face to be processed, just can carry out Rolling-cut shear.After machining, unscrew locking nut 1, after taking out pressing plate 2, just can unload the gear machined.
When particularly bore dimensional tolerance lower deviation to be processed surpasses 0.005 ~ 0.01mm, spacer 4 is rotarily driven steel ball 401 rotate, utilize the elasticity of steel ball 401 and rotation to make spacer 4 interference load gear to be processed, just can carry out Rolling-cut shear, the tolerance of preferred steel ball 401 is ± 0.002mm.
As shown in Figure 1 to Figure 3, described packing ring 5 is fixed on the spacing axle collar 702 by 4 lock-screws 6, described packing ring 5 and the spacing axle collar 702 all have 4 lightening holes, the external diameter of described packing ring 5 left end is not more than the root diameter of the first gear 8a to be processed and the second gear 8b to be processed, the external diameter of described packing ring 5 left end is greater than the external diameter of spacer 4, packing ring 5 for hobboing cutter 9 sufficient gear hobbing space is provided while treat machining gears and spacer 4 carries out axial limiting.
As shown in Figure 6 and Figure 7, described pressing plate 2 is set to bowl-type, described U-type groove 201 forms by the circular hole 201a be arranged on described pressing plate 2 central axis with from the outward extending opening of described circular hole 201a, the diameter of described circular hole 201a is identical with the diameter of the axle 7 of its socket place, the width of described opening is identical with the diameter of described circular hole 201a, only need locking nut 1 to unscrew during use just can load and unload pressing plate 2, instead of need locking nut 1 to take out could load and unload pressing plate 2, operate faster convenience like this.
As shown in Figure 5, the diameter of described conical surface 402a reduces gradually along described spacer 4 central axial direction, the internal diameter of described conical ring 402b is along reducing gradually away from described spacer 4 central axial direction, the diameter of described steel ball 401 is greater than the sidewall thickness of spacer 4, such structure can ensure steel ball 401 flexible rotating, and steel ball 401 can not depart from spacer 4.
To wear and tear in rolling process axle body 701 to prevent steel ball 401, described axle body 701 outer wall is provided with wear-resistant coating, described wear-resistant coating comprises chromium carbide coating, chromium carbide coating hardness is high and anti-wear performance good, effectively can prevent steel ball 401 to wear and tear in rolling process axle body 701, titanium nitride coating obviously also can be used as wear-resistant coating.
The utility model is specially adapted to the gear hobbing operation of disc type gear, also may be used for the processing that fixed disk type gear carries out other operations, such as roll flute operation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the gear hobbing tooling of a disk gear, comprise the axle (7) be fixed on lathe, described axle (7) comprises the second set collar (704) arranged from right to left, first set collar (703), the spacing axle collar (702), axle body (701), it is characterized in that: described first set collar (703) and the second set collar (704) all have plane, described axle body (701) is socketed with spacer (4), described spacer (4) right-hand member is by being fixed on packing ring (5) axial limiting on the spacing axle collar (702), described spacer (4) left end is by being arranged on stop screw (3) axial limiting on described axle body (701), described spacer (4) sidewall is evenly distributed with circular hole (402), rotating steel ball (401) is inlaid with in described circular hole (402), described circular hole (402) one end is provided with carries out the spacing conical surface (402a) to steel ball (401), the riveted joint of described circular hole (402) other end has carries out spacing conical ring (402b) to steel ball (401), described axle (7) left end coaxial sleeve is connected to the pressing plate (2) of band U-type groove (201), the axle (7) of described pressing plate (2) left end is provided with nut (1).
2. according to the gear hobbing tooling of disk gear according to claim 1, it is characterized in that: described packing ring (5) is fixed on the spacing axle collar (702) by several lock-screw (6), described packing ring (5) and the spacing axle collar (702) all have several lightening hole, the external diameter of described packing ring (5) left end is not more than the root diameter of the first gear to be processed (8a) and the second gear to be processed (8b), and the external diameter of described packing ring (5) left end is greater than the external diameter of spacer (4).
3. according to the gear hobbing tooling of disk gear according to claim 1, it is characterized in that: described pressing plate (2) is set to bowl-type, described U-type groove (201) is by the circular hole (201a) be arranged on described pressing plate (2) central axis and form from described circular hole (201a) outward extending opening, the diameter of described circular hole (201a) is identical with the diameter of the axle (7) of its socket place, and the width of described opening is identical with the diameter of described circular hole (201a).
4. according to the gear hobbing tooling of disk gear according to claim 1, it is characterized in that: the diameter of the described conical surface (402a) reduces gradually along described spacer (4) central axial direction, the internal diameter of described conical ring (402b) is along reducing gradually away from described spacer (4) central axial direction, and the diameter of described steel ball (401) is greater than the sidewall thickness of spacer (4).
5. according to the gear hobbing tooling of the disk gear described in any one of Claims 1-4, it is characterized in that: described axle body (701) outer wall is provided with wear-resistant coating, and described wear-resistant coating comprises chromium carbide coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495580.1U CN204035712U (en) | 2014-08-30 | 2014-08-30 | The gear hobbing tooling of disk gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495580.1U CN204035712U (en) | 2014-08-30 | 2014-08-30 | The gear hobbing tooling of disk gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204035712U true CN204035712U (en) | 2014-12-24 |
Family
ID=52236422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420495580.1U Expired - Fee Related CN204035712U (en) | 2014-08-30 | 2014-08-30 | The gear hobbing tooling of disk gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204035712U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855641A (en) * | 2016-06-22 | 2016-08-17 | 浙江万里扬股份有限公司 | Combined hobbing tool and hobbing machine |
| CN106001785A (en) * | 2016-06-17 | 2016-10-12 | 浙江万里扬股份有限公司 | Hobbing tooling and processing equipment |
| CN107020603A (en) * | 2016-01-29 | 2017-08-08 | 苏州宝时得电动工具有限公司 | Hand-hold power tool and its operating method |
-
2014
- 2014-08-30 CN CN201420495580.1U patent/CN204035712U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020603A (en) * | 2016-01-29 | 2017-08-08 | 苏州宝时得电动工具有限公司 | Hand-hold power tool and its operating method |
| CN107020603B (en) * | 2016-01-29 | 2021-06-11 | 苏州宝时得电动工具有限公司 | Hand-held power tool and method of operating the same |
| CN106001785A (en) * | 2016-06-17 | 2016-10-12 | 浙江万里扬股份有限公司 | Hobbing tooling and processing equipment |
| CN106001785B (en) * | 2016-06-17 | 2021-11-30 | 浙江万里扬股份有限公司 | Gear hobbing frock and processing equipment |
| CN105855641A (en) * | 2016-06-22 | 2016-08-17 | 浙江万里扬股份有限公司 | Combined hobbing tool and hobbing machine |
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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: 20141224 Termination date: 20180830 |