CN2211874Y - Tool for internal diameter centering integral key hole - Google Patents
Tool for internal diameter centering integral key hole Download PDFInfo
- Publication number
- CN2211874Y CN2211874Y CN 94235655 CN94235655U CN2211874Y CN 2211874 Y CN2211874 Y CN 2211874Y CN 94235655 CN94235655 CN 94235655 CN 94235655 U CN94235655 U CN 94235655U CN 2211874 Y CN2211874 Y CN 2211874Y
- Authority
- CN
- China
- Prior art keywords
- cutter
- centering
- internal diameter
- cutter shaft
- splined hole
- 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
Links
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model relates to a cutter for internal diameter centering integral key holes, particularly a push and pull cutter for machining integral key holes. The utility model comprises a cutter shaft with a guiding part and guiding cogs distributed on the cutter shaft. A cylindrical centering part is arranged between the part of the cutter shaft provided with the guiding cogs and the guiding part of the cutter shaft. The outside diameter of the centering part corresponds to the lower difference dimension of the inside diameters of the integral key holes of a workpiece. The utility model can ensure the machining quality of the integral key holes, reduce waste, shorten production period and reduce cost.
Description
The utility model is an a kind of internal diameter centering splined hole cutter, relates to processing the pushing away of splined hole, broaching tool.
The cutter of the at present domestic processing splined hole that generally uses, its centering effect is all bad, so that its splined section of many splined holes and its endoporus disalignment, thereby has caused great waste.The producer that has re-uses after endoporus is enlarged, and this not only greatly reduces the precision of product, and has extended the production cycle, has increased the cost of product.
The purpose of this utility model is: design a kind of internal diameter centering splined hole cutter that guarantees the spline crudy.
The utility model comprises the cutter shaft that has targeting part and is distributed in cutter tooth on the cutter shaft, and cutter shaft has between the part of cutter tooth and its targeting part and is columniform centering part, and the external diameter of centering part and the following difference size of workpiece splined hole internal diameter adapt.Because the external diameter of centering part and the internal diameter size of workpiece splined hole adapt, thereby this part enters on the workpiece behind the manufactured endoporus, it cooperates comparatively close with endoporus, thereby can guarantee that the utility model and endoporus are coaxial, so the splined hole that processes is coaxial with its endoporus.Preferably cutter tooth and going to the bottom of formed each teeth groove of cutter shaft are and the feel relieved part of the cylinder that part following difference size coaxial, external diameter and workpiece splined hole internal diameter adapts of cutter shaft in the utility model, thereby can both make the utility model coaxial from start to finish what process, further guarantee the crudy of splined hole with the endoporus of workpiece.In addition, for the cutter that generally uses at present, because the cutter shaft targeting part is less with the external diameter between the part of being with cutter tooth, can solve this problem by the method for suit outer shroud outside axostylus axostyle, make that difference size adapts under the internal diameter of the external diameter of outer shroud and spline endoporus.
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
Fig. 1 is the front view of push broach;
Fig. 2 is for proofreading and correct the front view of broaching tool;
Wherein, 1-targeting part, the 2-part of feeling relieved, 3-chamfered part, 4-cutting and correction portion, 5-axostylus axostyle.
As shown in Figure 1, the push broach of the utility model design is made of its axostylus axostyle 5 and the cutter tooth that is distributed on the axostylus axostyle 5.Wherein axostylus axostyle 5 is by comprising that coaxial footstalk part, the targeting part 1 by certain taper, columniform centering part 2, chamfered part 3, cutting form with correction portion 4 and its tail end.Centering part 2 is between targeting part 1 and chamfered part 3.The centering external diameter of part 2 and the following difference size of workpiece splined hole diameter of bore adapt, both differences are-0.005mm about.And the axostylus axostyle 5 that has a cutter tooth and going to the bottom of formed each teeth groove of cutter tooth are the part of the cylinder that the following difference size with the splined hole diameter of bore of workpiece adapts.Wherein, under external diameter that chamfered part 3 teeth groove are gone to the bottom and the splined hole diameter of bore difference of difference size for about-0.005mm, under external diameter that cutting and the teeth groove of correction portion 4 are gone to the bottom and the splined hole diameter of bore difference of difference size be preferably in ± the 0.002mm scope in.And the external diameter of the tail end of axostylus axostyle 5 also adapts with the following difference size of splined hole endoporus.
As shown in Figure 2, the correction broaching tool of the utility model design comprises its axostylus axostyle 5 and be distributed in each cutter tooth on the axostylus axostyle 5, and is identical with push broach, and centering part 2 and chamfered part 3, cutting and correction portion 4 are arranged on the axostylus axostyle 5.The each several part of axostylus axostyle 5 is coaxial, the difference of difference size is about-0.005mm under the diameter of the external diameter of its centering part 2 and external diameter that chamfered part 3 teeth groove are gone to the bottom and workpiece splined hole endoporus, and under the external diameter of going to the bottom of its cutting and correction portion 4 teeth groove and the workpiece splined hole diameter of bore difference of difference size about ± 0.002mm.Proofread and correct broaching tool and can be used to processing but exist the splined hole of error to proofread and correct, make it reach requirement.
The utility model can guarantee the crudy of splined hole, cuts the waste, and reduces production cycle and cost.
Claims (3)
1, a kind of internal diameter centering splined hole cutter, comprise the cutter shaft that has targeting part (1) and be distributed in cutter tooth on the cutter shaft, it is characterized in that: cutter shaft has and is columniform centering part (2) between the part of cutter tooth and its targeting part (1), and the centering partly external diameter of (2) and the following difference size of workpiece splined hole internal diameter adapts.
2, internal diameter according to claim 1 centering splined hole cutter is characterized in that: the going to the bottom of the teeth groove that cutter tooth and cutter shaft form is and the feel relieved part of the cylinder that partly (2) following difference size coaxial, external diameter and workpiece splined hole internal diameter adapts of cutter shaft.
3, internal diameter centering splined hole cutter according to claim 1 and 2, it is characterized in that: the centering part (2) of cutter shaft comprises the outer shroud that is enclosed within on the axostylus axostyle (5), and the following difference size of the external diameter of outer shroud and workpiece spline inner diameter adapts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94235655 CN2211874Y (en) | 1994-11-02 | 1994-11-02 | Tool for internal diameter centering integral key hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94235655 CN2211874Y (en) | 1994-11-02 | 1994-11-02 | Tool for internal diameter centering integral key hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2211874Y true CN2211874Y (en) | 1995-11-08 |
Family
ID=33843857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94235655 Expired - Fee Related CN2211874Y (en) | 1994-11-02 | 1994-11-02 | Tool for internal diameter centering integral key hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2211874Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100413627C (en) * | 2003-11-12 | 2008-08-27 | 中国第一汽车集团公司 | Mechanical working method for inner spline nylon coating |
| CN103862100A (en) * | 2012-12-11 | 2014-06-18 | 东明机电（深圳）有限公司 | Special processing device for rear support of series excited machine |
-
1994
- 1994-11-02 CN CN 94235655 patent/CN2211874Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100413627C (en) * | 2003-11-12 | 2008-08-27 | 中国第一汽车集团公司 | Mechanical working method for inner spline nylon coating |
| CN103862100A (en) * | 2012-12-11 | 2014-06-18 | 东明机电（深圳）有限公司 | Special processing device for rear support of series excited machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |