CN102848213B - A kind of frock for flange face bolt Vehicle Processing - Google Patents
A kind of frock for flange face bolt Vehicle Processing Download PDFInfo
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- CN102848213B CN102848213B CN201210087836.0A CN201210087836A CN102848213B CN 102848213 B CN102848213 B CN 102848213B CN 201210087836 A CN201210087836 A CN 201210087836A CN 102848213 B CN102848213 B CN 102848213B
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- flange face
- face bolt
- flange
- frock
- installing hole
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Abstract
The present invention relates to a kind of frock for flange face bolt Vehicle Processing, this frock by offering the installing hole for inserting for the head of flange face bolt workpiece on frock body, and arrange on the hole wall of installing hole for coordinating with the spin-ended structure stoping flange face bolt to rotate with the polygonal perisporium of flange face bolt, to stop the rotation of flange face bolt workpiece; Being used for when the head of flange face bolt workpiece inserts installing hole by arranging on frock body, coordinating with the Stop structure coordinated with lathe tail thimble flange face bolt workpiece axial limiting with the flange of flange face bolt workpiece or head block, to coordinate with the thimble on lathe the effect reached flange face bolt axial limiting, therefore can be realized the object that the screw rod of flange face bolt workpiece is processed on lathe by the present invention, and the machining accuracy of flange face bolt workpiece, the difficulty of processing of reduction flange face bolt can be improved.
Description
Technical field
The present invention relates to flange face bolt machining technique field, particularly relate to a kind of frock for flange face bolt Vehicle Processing.
Background technology
Bihexagonal head screw and hexagon bolt with flange, all owing to having good connection, locate and loosening effect, are widely applied in Aeronautics and Astronautics, engine and bullet train field.Bihexagonal head screw and hexagon bolt with flange are formed by polygonal head, flange and threaded shank, wherein the diameter of flange is greater than the maximum gauge of cerioid head, and namely flange is the skirt structure had between the head of above-mentioned two kinds of flange face bolts and threaded shank.In relevant criterion,, accurate positioning firm to the connection of hexagon bolt with flange and bihexagonal head screw, anti-loosening property, dimensional uniformity etc. have special requirement, this just requires the size of hexagon bolt with flange and 12 angle flange face threaded shank, the axiality of threaded shank and linearity, position dimension, the form and position tolerance of threaded shank and head all must control within certain scope, so threaded shank processing mode seems particularly important.When adopting the threaded shank of turnery processing flange face bolt, need the head clamping of flange face bolt on three-jaw or four paws, therefore can be destroyed in the cerioid structure of the head of the flange face bolt of clamping on three-jaw or four paws, thus the yield rate of flange face bolt is reduced, and when adopting other processing method, difficult processing is to ensure the axiality of threaded shank and head, the perpendicularity requirement of the axiality of threaded shank and head flanges diameter and threaded shank and flange, and working (machining) efficiency is too low, percent defective is high, there is larger mismachining tolerance, solve above percent defective high, efficiency is low, size instability and form and position tolerance are difficult to ensure the problem of card.
Summary of the invention
The present invention proposes a kind of convenient mounting and clamping, the frock for flange face bolt Vehicle Processing that machining accuracy is high, be intended to the problem of the threaded shank processing difficulties solving flange face bolt in prior art.
This technical scheme being used for the frock of flange face bolt Vehicle Processing is as follows:
A kind of frock for flange face bolt Vehicle Processing, comprise for the frock body of clamping on the chuck of lathe, the end face of one end of described frock body offers the installing hole for inserting for the head of flange face bolt workpiece, described frock body has the outer surface for the clamping chuck for lathe of the periphery being around in installing hole, and described installing hole hole wall is provided with for coordinating with the spin-ended structure stoping flange face bolt to rotate with the polygonal perisporium of flange face bolt; Described frock body is also provided with for when the head of flange face bolt workpiece inserts installing hole, coordinate with the flange of flange face bolt workpiece or head block with the Stop structure coordinated with lathe tail thimble flange face bolt workpiece axial limiting.
Described spin-ended structure is that one group of projection of the cerioid for the head with flange face bolt workpiece that the hole wall of described installing hole is offered is coincide the spline groove coordinated, and described spline groove is evenly laid in installing hole circumferentially.
Described Stop structure is the spacing edge of the annular coaxially arranged with installing hole that described frock body is arranged.
The hole wall of described installing hole offers the escape groove for the annular for the head of flange face bolt workpiece and the junction placement of flange be between spacing edge and spin-ended structure.
The outer shroud end face on described spacing edge and internal face by arrange between the two for coincideing the chamfering tangent plane transition coordinated near the ring end face of its head with the flange of flange face bolt workpiece.
The end face block periphery of described frock body is convexly equipped with for the chuck with lathe coordinates and keeps off edge to stop frock body all to slip into turning up in chuck.
Described installing hole is through hole.
Described installing hole has the axial length for making the head of flange face bolt workpiece submerge completely in it.
Described outer surface is the face of cylinder.
The present invention by offering the installing hole for inserting for the head of flange face bolt workpiece on frock body, and arrange on the hole wall of installing hole for coordinating with the spin-ended structure stoping flange face bolt to rotate with the polygonal perisporium of flange face bolt, to stop the rotation of flange face bolt workpiece; Being used for when the head of flange face bolt workpiece inserts installing hole by arranging on frock body, coordinating with the Stop structure coordinated with lathe tail thimble flange face bolt workpiece axial limiting with the flange of flange face bolt workpiece or head block, to coordinate with the thimble on lathe the effect reached flange face bolt axial limiting, therefore can be realized the object that the screw rod of flange face bolt workpiece is processed on lathe by the present invention, and the machining accuracy of flange face bolt workpiece, the difficulty of processing of reduction flange face bolt can be improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of flange face bolt workpiece;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of embodiments of the invention;
Fig. 4 is the structural representation of frock body in Fig. 3;
Fig. 5 is the left view of Fig. 4.
Detailed description of the invention
The embodiment of the frock for flange face bolt Vehicle Processing of the present invention: as shown in Figures 1 to 5, this frock is made up of frock body 1, this frock body 1 offers the installing hole 1-1 for inserting for the head 2-1 of flange face bolt workpiece 2, frock body 1 have be around in installing hole 1-1 periphery on for the columned outer surface of chuck 3 clamping for lathe, installing hole 1-1 is through hole, the axial length of this through hole is greater than the axial length of the head 2-1 of flange face bolt workpiece 2, and on the inwall of installing hole 1-1, offer the protruding 2-2 of one group of cerioid for the head 2-1 with flange face bolt workpiece 2 to coincide the spline groove 1-2 coordinated, this group spline groove 1-2 is evenly laid in installing hole 1-1 circumferentially, transition portion between the end face of frock body 1 and the hole wall of installing hole 1-1 constitutes for when the head 2-1 of flange face bolt workpiece 2 inserts installing hole, coordinate spacing along 1-3 with what apply towards the active force annular of the threaded shank 2-4 of flange face bolt workpiece 2 to the flange 2-3 of flange face bolt workpiece 2 with the ring end face block of the flange 2-3 of flange face bolt workpiece 2, this spacing inner peripheral surface along 1-3 and outer shroud end face are by chamfering tangent plane 1-4 transition between the two, and offer on the hole wall of installing hole 1-1 and be in the spacing escape groove 1-5 along the annular between 1-3 and spline groove 1-2, keep off along 1-6 to stop frock body 1 all to slip into turning up in chuck 3 along the periphery arranging end of 1-3 being convexly equipped with to coordinate for the end face block of the chuck 3 with lathe the spacing of frock body 1.
Use the procedure of processing of the threaded shank 2-4 of this frock turning flange face bolt workpiece 2 as follows:
First by frock body 1 clamping on chuck 3, and make frock body 1 is provided with the shelves that turn up and expose from the end face of chuck 3 along one end of 1-6;
Then the head 2-1 of flange face bolt workpiece 2 is inserted in the installing hole 1-1 of frock body 1, and make that each protruding 2-2 of the head 2-1 of flange face bolt workpiece 2 and the spline groove 1-2 on the hole wall of installing hole 1-1 are identical to be coordinated;
Again by the end top pressure of lathe tail thimble 4 from the threaded shank 2-4 of flange face bolt workpiece 2, be locked in the installing hole 1-1 of frock body 1 to make the head 2-1 of flange face bolt workpiece 2;
Then along with the rotation of chuck 3, frock body 1 and flange face bolt workpiece 2 also can next play rotation in the drive of chuck 3, thus just can be processed the threaded shank 2-4 of flange face bolt workpiece 2 by the lathe tool on lathe, after to be processed, unclamp lathe tail thimble 4 and just flange face bolt finished product can be taken off.
The present invention in use, the hole wall of installing hole can reach spacing to flange face bolt workpiece radial direction, spline groove can reach flange face bolt workpiece rotary stopper, spacing edge and lathe tail thimble coordinate can to flange face bolt workpiece axial limiting, thus make flange face bolt locate in process more reliable accurately, can size and Form and position error to reduce flange face bolt finished product; Escape groove is for the junction of the head and flange that hold flange face bolt workpiece, thus make the head of flange face bolt workpiece when inserting installing hole, the head of flange face bolt workpiece and the junction of flange can not produce the head of flange face bolt workpiece interferes, and makes the cooperation of the head of flange face bolt workpiece and installing hole more accurate; Turn up shelves along frock body can be organized to slip in chuck, thus carries out axial limiting to frock body, to avoid in the process of turnery processing flange face bolt workpiece, can not there is axial float in frock body, ensures the machining accuracy of flange face bolt workpiece.
In the above-described embodiments, installing hole is through hole, the axial length of installing hole is greater than the axial length of the head of flange face bolt workpiece, in other embodiments, the axial length of installing hole also can be equal to or less than the axial length of the head of flange face bolt workpiece, and installing hole also can be blind hole or shoulder hole, wherein.When installing hole is through hole and its axial length is equal to or less than the axial length of the head of flange face bolt workpiece, be the edge, hole of installing hole for coordinating with lathe tail thimble the Stop structure of flange face bolt workpiece axial limiting; When installing hole is blind hole, and when its axial length is equal to or less than the axial length of the head of flange face bolt workpiece, described Stop structure can be the cecum of blind hole, also can be the edge, hole of the openend of blind hole; When installing hole is shoulder hole, spline groove should be opened in the aperture section of shoulder hole, and described Stop structure be shoulder hole large and small hole section between transition shoulder.
In the above-described embodiments, the spline groove offered on the spin-ended hole wall that to coordinate with the spin-ended structure stoping flange face bolt workpiece to rotate be installing hole of the cerioid perisporium of the head with flange face bolt workpiece, in other embodiments, this spin-ended structure also can be installing hole hole wall on projection the cerioid structure for flange face bolt workpiece two projections between recesses fit convex stupefied, and the concrete quantity of spline groove also can be unnecessary or be less than the quantity of projection of head of flange face bolt workpiece, and convex stupefied quantity can only be equal to or less than the quantity of the recess of the head of flange face bolt workpiece.
In the above-described embodiments, frock body coordinates to come axial limiting by the shelves edge of turning up that its periphery is arranged with chuck block, in other embodiments, the periphery of frock body also can not be arranged this shelves edge of turning up, only need when clamping tooling body, the pretightning force making chuck act on frock body is slightly large, just can be reached through frictional force between chuck and frock body to the object of frock body axial limiting.
In the above-described embodiments, in this frock, the flange face bolt of clamping is bihexagonal head screw, and in other embodiments, bihexagonal head screw also can be other flange face bolts such as hexagon bolt with flange.
Claims (8)
1. the frock for flange face bolt Vehicle Processing, it is characterized in that: comprise for the frock body of clamping on the chuck of lathe, the end face of one end of described frock body offers the installing hole for inserting for the head of flange face bolt workpiece, described frock body has the outer surface for the clamping chuck for lathe of the periphery being around in installing hole, and described installing hole hole wall is provided with for coordinating with the spin-ended structure stoping flange face bolt to rotate with the polygonal perisporium of flange face bolt; Described frock body is also provided with for when the head of flange face bolt workpiece inserts installing hole, coordinate with the Stop structure coordinated with lathe tail thimble flange face bolt workpiece axial limiting, to coordinate with the thimble on lathe the effect reached flange face bolt axial limiting with the flange of flange face bolt workpiece or head block;
Described Stop structure be the annular coaxially arranged with installing hole that described frock body is arranged and can apply towards the spacing edge of the active force of the threaded shank of flange face bolt workpiece the flange of flange face bolt workpiece.
2. the frock for flange face bolt Vehicle Processing according to claim 1, it is characterized in that: described spin-ended structure is that one group of projection of the cerioid for the head with flange face bolt workpiece that the hole wall of described installing hole is offered is coincide the spline groove coordinated, and described spline groove is evenly laid in installing hole circumferentially.
3. the frock for flange face bolt Vehicle Processing according to claim 1, is characterized in that: the hole wall of described installing hole offers the escape groove for the annular for the head of flange face bolt workpiece and the junction placement of flange be between spacing edge and spin-ended structure.
4. the frock for flange face bolt Vehicle Processing according to claim 1, is characterized in that: the outer shroud end face on described spacing edge and internal face by arrange between the two for coincideing the chamfering tangent plane transition coordinated near the ring end face of its head with the flange of flange face bolt workpiece.
5. the frock for flange face bolt Vehicle Processing according to claim 1, is characterized in that: the end face block periphery of described frock body is convexly equipped with for the chuck with lathe coordinates and keeps off edge to stop frock body all to slip into turning up in chuck.
6. the frock for flange face bolt Vehicle Processing according to claim 1, is characterized in that: described installing hole is through hole.
7. the frock for flange face bolt Vehicle Processing according to claim 6, is characterized in that: described installing hole has the axial length for making the head of flange face bolt workpiece submerge completely in it.
8. the frock for flange face bolt Vehicle Processing according to claim 1, is characterized in that: described outer surface is the face of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210087836.0A CN102848213B (en) | 2012-03-29 | 2012-03-29 | A kind of frock for flange face bolt Vehicle Processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210087836.0A CN102848213B (en) | 2012-03-29 | 2012-03-29 | A kind of frock for flange face bolt Vehicle Processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102848213A CN102848213A (en) | 2013-01-02 |
| CN102848213B true CN102848213B (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210087836.0A Active CN102848213B (en) | 2012-03-29 | 2012-03-29 | A kind of frock for flange face bolt Vehicle Processing |
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| CN (1) | CN102848213B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118701A (en) * | 2021-03-17 | 2021-07-16 | 北京长征天民高科技有限公司 | Valve body part clamping method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6860477B2 (en) * | 2002-02-26 | 2005-03-01 | Vischer & Bolli | Clamping device |
| DE202007014731U1 (en) * | 2007-01-18 | 2007-12-20 | Lang Werkzeugtechnik Gmbh | Clamping and positioning bolts |
| CN202037466U (en) * | 2011-04-27 | 2011-11-16 | 河南航天精工制造有限公司 | Clamping device used for workpiece machining |
| CN202571866U (en) * | 2012-03-29 | 2012-12-05 | 河南航天精工制造有限公司 | Tool for lathing flange bolt |
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2012
- 2012-03-29 CN CN201210087836.0A patent/CN102848213B/en active Active
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| Publication number | Publication date |
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| CN102848213A (en) | 2013-01-02 |
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