CN205237587U - Ring gear excircle drilling positioner - Google Patents
Ring gear excircle drilling positioner Download PDFInfo
- Publication number
- CN205237587U CN205237587U CN201520923479.6U CN201520923479U CN205237587U CN 205237587 U CN205237587 U CN 205237587U CN 201520923479 U CN201520923479 U CN 201520923479U CN 205237587 U CN205237587 U CN 205237587U
- Authority
- CN
- China
- Prior art keywords
- base
- gear ring
- hole
- gear
- holder
- Prior art date
- 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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- Drilling And Boring (AREA)
Abstract
The utility model discloses a ring gear excircle drilling positioner, including the fixing base, be equipped with central pivot on the fixing base, the center is equipped with the base rather than rotatory cooperation suit in the pivot, is equipped with on the base to be used for compressing tightly fixed hold -down mechanism and the positioning mechanism that is used for positioning gear ring work piece excircle the drilling position with the ring gear work piece, positioning mechanism includes and is in with the drilling position one -to -one setting of ring gear work piece excircle and fixed mounting locating piece on the base is equipped with the engaging tooth with the meshing of ring gear work piece on, each the locating piece with correspond between the base and be equipped with the location pinhole, the center of all location pinholes all be located with the center pivot is realized for of axis, on the fixing base with the location pinhole correspondence is equipped with a spacing pinhole, still including being used for the drive the rotatory actuating mechanism of base, actuating mechanism is including setting up external gear on the outer periphery of base, install on the fixing base with outer gear engagement's driving gear.
Description
Technical field
The utility model belongs to mechanical frock clamp technology field, is specifically related to a kind of gear ring cylindrical drilling-hole positioning device.
Background technology
In machining, often need on the periphery wall of gear ring, hole. In prior art, the rotary positioning apparatus that generally gear ring workpiece carries with drilling machine after being fixedly clamped is determined the position of boring, although can meet to a certain extent processing positioning requirements, but, in some gear ring processing, position accuracy demand between bore position and the gear teeth of gear ring is higher, and the rotary positioning mechanism that adopts drilling machine to carry can not meet the requirement of hi-Fix, and then causes the machining accuracy of gear ring product to reduce.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of gear ring cylindrical drilling-hole positioning device, can accurately locate the gear ring gear teeth and bore position, can effectively improve bore position precision.
For achieving the above object, the utility model provides following technical scheme:
A kind of gear ring cylindrical drilling-hole positioning device, comprise holder, described holder is provided with central rotating shaft, on described central rotating shaft, be equiped with base with its rotation engage sleeves, described base is provided with hold-down mechanism for gear ring workpiece is fixed and for locating the detent mechanism of gear ring excircle of workpiece bore position; Described detent mechanism comprises and the gear ring workpiece cylindrical bore position corresponding locating piece that arranges and be fixedly mounted on described base one by one, and described locating piece is provided with the engaging tooth engaging with gear ring workpiece; The corresponding dowel hole that is provided with between locating piece and described base described in each, the center of all described dowel holes is all positioned on a circle taking described central rotating shaft as axis, correspondingly with described dowel hole on described holder is provided with a limit pin hole;
Also comprise the driving mechanism for driving described base rotation, described driving mechanism comprises the external gear being arranged on described base outer circumference surface, and the driving gear engaging with described external gear is installed on described holder.
Further, described hold-down mechanism comprises for being pressed in the pressing plate on gear ring workpiece, between described pressing plate and described base, is provided with hold-down bolt.
Further, be provided with fairlead corresponding to described limit pin hole on described holder, described fairlead is provided with for starter and is positioned at the pilot hole of described central rotating shaft radial direction.
Further, the axis of described limit pin hole and the intersect vertical axis of described pilot hole.
The beneficial effects of the utility model are:
Gear ring cylindrical drilling-hole positioning device of the present utility model, by be set with base on central rotating shaft, and gear ring workpiece and central rotating shaft are coaxially fixed on base, utilize driving gear and external gear rotating base, in the time that dowel hole overlaps with limit pin hole, utilize the position of spacer pin firm banking, now the bore position of one of them gear ring workpiece can be alignd with drill bit, rotating base again after having holed, in the time that the dowel hole arranging on next locating piece overlaps with limit pin hole, again utilize boring behind spacer pin location, and so forth, can complete the porose processing on gear ring workpiece cylindrical, have simple in structure, easy to operate and the high advantage of positioning precision.
Brief description of the drawings
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is the structural representation of the utility model gear ring cylindrical drilling-hole positioning device embodiment;
Fig. 2 is the A-A profile of Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, be the structural representation of the utility model gear ring cylindrical drilling-hole positioning device embodiment. The gear ring cylindrical drilling-hole positioning device of the present embodiment, comprise holder 1, holder 1 is provided with central rotating shaft 2, on central rotating shaft 2, be equiped with base 3 with its rotation engage sleeves, base 3 is provided with hold-down mechanism for gear ring workpiece 4 is fixed and for locating the detent mechanism of gear ring workpiece 4 cylindrical bore positions. The detent mechanism of the present embodiment comprises and the gear ring workpiece 4 cylindrical bore positions corresponding locating piece 5 that arranges and be fixedly mounted on base 3 one by one, and locating piece 5 is provided with the engaging tooth engaging with gear ring workpiece. The corresponding dowel hole 6 that is provided with between each locating piece 5 and base 3, the center of all dowel holes 6 is all positioned on a circle taking central rotating shaft 2 as axis, correspondingly with dowel hole 6 on holder 1 is provided with a limit pin hole 7. The gear ring cylindrical drilling-hole positioning device of the present embodiment also comprises the driving mechanism for driving base 3 to rotate, driving mechanism comprises the external gear 12 being arranged on base 3 outer circumference surfaces, the driving gear 13 engaging with external gear 12 is installed on holder 1, utilize driving gear 13 and external gear 12, can drive easily base 3 to rotate.
Further, the hold-down mechanism of the present embodiment comprises for being pressed in the pressing plate 8 on gear ring workpiece 4, is provided with hold-down bolt 9, for axial compression gear ring workpiece 4 between pressing plate 8 and base 3.
Further, be provided with fairlead 10 corresponding to limit pin hole 7 on the holder 1 of the present embodiment, fairlead 10 is provided with for starter and is positioned at pilot hole 11, the axis of the limit pin hole 7 of the present embodiment and the intersect vertical axis of pilot hole 11 of central rotating shaft 2 radial direction.
The gear ring cylindrical drilling-hole positioning device of the present embodiment, by be set with base on central rotating shaft, and gear ring workpiece and central rotating shaft are coaxially fixed on base, utilize driving gear and external gear rotating base, in the time that dowel hole overlaps with limit pin hole, utilize the position of spacer pin firm banking, now the bore position of one of them gear ring workpiece can be alignd with drill bit, rotating base again after having holed, in the time that the dowel hole arranging on next locating piece overlaps with limit pin hole, again utilize boring behind spacer pin location, and so forth, can complete the porose processing on gear ring workpiece cylindrical, have simple in structure, easy to operate and the high advantage of positioning precision.
The above embodiment is only the preferred embodiment for absolutely proving that the utility model is lifted, and protection domain of the present utility model is not limited to this. What those skilled in the art did on the utility model basis is equal to alternative or conversion, all within protection domain of the present utility model. Protection domain of the present utility model is as the criterion with claims.
Claims (4)
1. a gear ring cylindrical drilling-hole positioning device, it is characterized in that: comprise holder, described holder is provided with central rotating shaft, on described central rotating shaft, be equiped with base with its rotation engage sleeves, described base is provided with hold-down mechanism for gear ring workpiece is fixed and for locating the detent mechanism of gear ring excircle of workpiece bore position; Described detent mechanism comprises and the gear ring workpiece cylindrical bore position corresponding locating piece that arranges and be fixedly mounted on described base one by one, and described locating piece is provided with the engaging tooth engaging with gear ring workpiece; The corresponding dowel hole that is provided with between locating piece and described base described in each, the center of all described dowel holes is all positioned on a circle taking described central rotating shaft as axis, correspondingly with described dowel hole on described holder is provided with a limit pin hole;
Also comprise the driving mechanism for driving described base rotation, described driving mechanism comprises the external gear being arranged on described base outer circumference surface, and the driving gear engaging with described external gear is installed on described holder.
2. gear ring cylindrical drilling-hole positioning device according to claim 1, is characterized in that: described hold-down mechanism comprises for being pressed in the pressing plate on gear ring workpiece, between described pressing plate and described base, is provided with hold-down bolt.
3. gear ring cylindrical drilling-hole positioning device according to claim 1, is characterized in that: be provided with fairlead corresponding to described limit pin hole on described holder, described fairlead is provided with for starter and is positioned at the pilot hole of described central rotating shaft radial direction.
4. gear ring cylindrical drilling-hole positioning device according to claim 3, is characterized in that: the axis of described limit pin hole and the intersect vertical axis of described pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520923479.6U CN205237587U (en) | 2015-11-19 | 2015-11-19 | Ring gear excircle drilling positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520923479.6U CN205237587U (en) | 2015-11-19 | 2015-11-19 | Ring gear excircle drilling positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205237587U true CN205237587U (en) | 2016-05-18 |
Family
ID=55936666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520923479.6U Expired - Fee Related CN205237587U (en) | 2015-11-19 | 2015-11-19 | Ring gear excircle drilling positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205237587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736660A (en) * | 2015-11-19 | 2017-05-31 | 綦江永跃齿轮有限公司 | Gear ring outer ring drilling-hole positioning device |
-
2015
- 2015-11-19 CN CN201520923479.6U patent/CN205237587U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736660A (en) * | 2015-11-19 | 2017-05-31 | 綦江永跃齿轮有限公司 | Gear ring outer ring drilling-hole positioning device |
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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: 20160518 Termination date: 20161119 |