CN202963668U - Special fixture for milling gear with internal spline hole - Google Patents
Special fixture for milling gear with internal spline hole Download PDFInfo
- Publication number
- CN202963668U CN202963668U CN 201220717890 CN201220717890U CN202963668U CN 202963668 U CN202963668 U CN 202963668U CN 201220717890 CN201220717890 CN 201220717890 CN 201220717890 U CN201220717890 U CN 201220717890U CN 202963668 U CN202963668 U CN 202963668U
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- spline
- core rod
- special fixture
- designed
- spring
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Abstract
A special fixture for a milling gear with an internal spline hole comprises a spring spline core rod, a shaft coupler and a lower center. Openings of 60 degrees are reserved at a joint of the spring spline core rod and an upper center and a joint of the spring spline core rod and the lower center. The upper one-fifth and the lower one-fifth of the spring spline core rod are respectively divided into pieces. One external spline is designed on the spring spline core rod. An internal spline is designed in a shaft coupler sleeve. One external spline is designed on a joint part of the lower center and the shaft coupler. The taper angle of the lower center is 60 degrees. When the special fixture is used, clamping force is given to the upper center by a miller tail bracket device. By being squeezed through the upper center and the lower center, the divided spring spline core rod is out of shape in both axial and radial directions so that gaps between the spring spline core rod and an external tooth base are eliminated and the tooth base is clamped. The shaft coupler is coupled with the lower center and the external spline of the spring spline core rod as a whole through the internal spline of the shaft coupler sleeve. By the aid of the special fixture, processing accuracy is guaranteed effectively, procedure is reduced, and processing efficiency is improved.
Description
Technical field
The present invention relates to the fixture manufacturing for Gear Processing, specifically a kind of internal splined hole gear milling special fixture.
Background technology
In the Gear Processing production process, if many conditions such as lathe, cutter, operation layout, tooth base precision, size are constant, the machining accuracy of internal splined hole gear mainly is subject to the impact of special fixture structure.For the internal splined hole gear, the internal spline size of tooth base is along with the impact of the factors such as the change of the wearing and tearing of broaching tool, broaching speed, broaching tool replacing, and the always change within the specific limits of its M value of internal spline causes M value of internal spline that size variation is arranged.The gear milling fixture fixture of processing internal splined hole gear generally adopts solid spline plug at present, and traditional real core spline plug M value is constant, when processed internal splined hole gear inner spline M value changes, the real core spline plug of frock clamp and processed gear inner spline hole can produce the gap, consequently affect the machining accuracy of internal splined hole gear milling, to the serviceability of gear, direct impact there is service life.In addition, when being inserted in the real core spline of frock clamp plug due to gear blank to be processed, in order to reduce the gap between real core spline plug and internal splined hole gear blank endoporus, the up and down workpiece need to clash into real core spline plug and easily cause distortion, affects equally process velocity and precision.
Summary of the invention
The present invention is directed to the technological deficiency that existing real core spline plug exists, the internal splined hole gear milling special fixture of a kind of novel structure, convenient mounting and clamping is provided.
The present invention is achieved through the following technical solutions:
A kind of internal splined hole gear milling special fixture comprises spring spline plug, shaft coupling, lower top; Described spring spline plug is designed with 60 degree openings with top contact position, up and down; Each 1/5th places up and down of described spring spline plug cut open and are divided into several, and described spring spline plug is designed with external splines; Described shaft coupling is designed with inner spline housing; Describedly toply be designed with external splines with the shaft coupling coupling part down; Described lower top cone angle is 60 degree; Described shaft coupling with after the external splines of described lower top and described spring spline plug connects, forms an integral body by internal spline; The present invention and tooth milling machine workbench are with bolts.
During work, give above top clamping force by the milling machine tail frame device, upper top and described lower described spring spline plug between top, the described spline plug that causes cutting open due to the extruding force that is subject to the up and down produces length and radially two aspects distortion, thus make it with the internal splined hole tooth base that is contained in outside it between the gap elimination and clamp this tooth base.
Beneficial effect of the present invention is:
A kind of internal splined hole gear milling of the present invention special fixture comprises spring spline plug, shaft coupling, lower top; Described spring spline plug is designed with 60 degree openings with top contact position, up and down; Described spring spline plug each 1/5th places is up and down cut open and is divided into several; Described spring spline plug is designed with external splines; Be designed with internal spline in the shaft coupling cover of described shaft coupling; Describedly toply be designed with external splines with the shaft coupling coupling part down; Described lower top cone angle is 60 degree; Described shaft coupling with after the external splines of described lower top and described spring spline plug connects, forms an integral body by internal spline; The present invention and tooth milling machine workbench are with bolts.During work, give upper top clamping force by the milling machine tail frame device, upper top and described lower described spring spline plug between top, due to the extruding force that is subject to the up and down, the described spring spline plug that causes cutting open produces length and radially two aspect distortion, thereby eliminate in the gap that makes it and be contained between the internal splined hole tooth base of its outside, and clamp this tooth base.When milling machine starts, (divide the tooth motion) during worktable rotary, special fixture of the present invention can accurately clamp securely gear blank and rotate together with workbench, and special fixture can be close to the gear blank endoporus provides veneer to support, and can effectively guarantee machining accuracy; Simultaneously due to the fixing operation of the bolt that has deducted traditional frock clamp in process, greatly improved the efficient that product is processed.
Description of drawings:
Fig. 1 is a kind of mounting structure schematic diagram of internal splined hole gear milling special fixture.
Fig. 2 is the structural representation of spring spline plug.
Fig. 3 is the left view of spring spline mandrel structure.
Fig. 4 is the structural representation of shaft coupling.
Fig. 5 is lower top structural representation.
In figure: 1, lower top; 2, shaft coupling; 3, the spring spline plug; 4, inside spline wheel gear blank to be processed; 5, upper top; 6, spring spline mandrel outer spline; 7, the shaft coupling cover; 8, internal spline; 9, lower top external splines; 10, upper top contact opening; 11, lower top contact opening.
The specific embodiment:
A kind of internal splined hole gear milling of the present invention special fixture comprises spring spline plug, shaft coupling, lower top; Described spring spline plug 3 is designed with 60 degree openings 10 and 11 with top contact position, up and down; Described spring spline plug each 1/5th places is up and down cut open and is divided into several; Described spring spline plug is designed with external splines 6; Be designed with internal spline in the shaft coupling cover 7 of described shaft coupling 2; Described lower top 1 is designed with lower top external splines 9 with the shaft coupling coupling part; Described lower top cone angle is 60 degree; After described shaft coupling passes through internal spline 8 and the external splines of described lower top and described spring spline plug connects, form an integral body; The present invention and tooth milling machine workbench are with bolts.During work, give above top clamping force by the milling machine tail frame device, upper top and described lower described spring spline plug between top, the described spring spline plug that causes cutting open due to the extruding force that is subject to the up and down produces length and radially two aspects distortion, thus make it with the internal splined hole tooth base that is contained in outside it between the gap elimination and clamp this tooth base.When milling machine starts, (divide the tooth motion) during worktable rotary, special fixture of the present invention can accurately clamp securely gear blank 4 and rotate together with workbench, and special fixture can be close to the gear blank endoporus provides veneer to support, and can effectively guarantee machining accuracy; Simultaneously due to the fixing operation of the bolt that has deducted traditional frock clamp in process, greatly improved the efficient that product is processed.
Claims (3)
1. an internal splined hole gear milling special fixture, comprise spring spline plug, shaft coupling, lower top; It is characterized in that: described spring spline plug is designed with 60 degree openings with top contact position, up and down; Described spring spline plug each 1/5th places is up and down cut open and is divided into several; Described spring spline plug is designed with external splines.
2. a kind of internal splined hole gear milling special fixture according to claim 1, is characterized in that: be designed with internal spline in the shaft coupling cover of described shaft coupling.
3. a kind of internal splined hole gear milling special fixture according to claim 1 is characterized in that: describedly toply be designed with lower top external splines with the shaft coupling coupling part down; Described lower top cone angle is 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717890 CN202963668U (en) | 2012-12-24 | 2012-12-24 | Special fixture for milling gear with internal spline hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717890 CN202963668U (en) | 2012-12-24 | 2012-12-24 | Special fixture for milling gear with internal spline hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202963668U true CN202963668U (en) | 2013-06-05 |
Family
ID=48504798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220717890 Expired - Fee Related CN202963668U (en) | 2012-12-24 | 2012-12-24 | Special fixture for milling gear with internal spline hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202963668U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759703A (en) * | 2015-03-19 | 2015-07-08 | 高灵军 | Positioning fixture for gear hobbing |
| CN104759705A (en) * | 2015-03-19 | 2015-07-08 | 高灵军 | Gear hobbing fixture |
| CN104759704A (en) * | 2015-03-19 | 2015-07-08 | 高灵军 | Self-driving hobbing clamp |
| CN107097078A (en) * | 2017-05-16 | 2017-08-29 | 常熟市金华机械股份有限公司 | A kind of frock clamp for being exclusively used in motor turning Enforceable shaft Milling Machining |
-
2012
- 2012-12-24 CN CN 201220717890 patent/CN202963668U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759703A (en) * | 2015-03-19 | 2015-07-08 | 高灵军 | Positioning fixture for gear hobbing |
| CN104759705A (en) * | 2015-03-19 | 2015-07-08 | 高灵军 | Gear hobbing fixture |
| CN104759704A (en) * | 2015-03-19 | 2015-07-08 | 高灵军 | Self-driving hobbing clamp |
| CN104759703B (en) * | 2015-03-19 | 2018-04-24 | 吴松青 | A kind of gear hobbing positioning fixture |
| CN107097078A (en) * | 2017-05-16 | 2017-08-29 | 常熟市金华机械股份有限公司 | A kind of frock clamp for being exclusively used in motor turning Enforceable shaft Milling Machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131224 |