CN102689030A - Method for machining central hole of regular octahedron workpiece and special clamp thereof - Google Patents
Method for machining central hole of regular octahedron workpiece and special clamp thereof Download PDFInfo
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- CN102689030A CN102689030A CN2012100105790A CN201210010579A CN102689030A CN 102689030 A CN102689030 A CN 102689030A CN 2012100105790 A CN2012100105790 A CN 2012100105790A CN 201210010579 A CN201210010579 A CN 201210010579A CN 102689030 A CN102689030 A CN 102689030A
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Abstract
The invention relates to a method for machining a central hole of a regular octahedron workpiece and a special clamp thereof. By the machining method, the structural characteristics that any one pair of opposite end faces of the regular octahedron are parallel to each other and the projection of the regular octahedron body to any one regular triangle end face is connected to a circumcircle of the regular triangle end face are utilized, and the regular octahedron workpiece is clamped by a sleeve of which the diameter of the inner hole is equal to the diameter of the circumcircle of the regular octahedron workpiece, so that when the regular octahedron workpiece is arranged in a round hole of the clamp body in a horizontal mode, the inner wall of the sleeve can surround six vertex angles of the periphery of the upper and lower regular triangle end faces of the regular octahedron workpiece, the regular octahedron workpiece is clamped in the sleeve through axial limiting devices which are arranged at two ends of the sleeve, a plurality of regular octahedron workpieces are clamped at a time, and the sum of the height of the workpieces is slightly greater than the height of the round hole; and therefore, after a drill bit penetrates through a through hole which is formed at an axial limiting position, the central hole can be drilled on the regular octahedron workpiece.
Description
Technical field
The processing method of the centre bore of a kind of regular octahedron workpiece that the present invention relates to adopt in the Machining Technology field also relates to the anchor clamps of the processing method that is exclusively used in this regular octahedron workpiece simultaneously.
Background technology
Because six to contain the pressure codomain that eight big chamber pressure devices can obtain bigger; So under extreme conditions to six containing eight big chamber pressure devices and playing the part of important effect in the research of the structure of material, phase transformation, physico-chemical property etc.; The used transmission medium of packaged sample is the regular octahedron workpiece of pyrophillite or MgO sintering during experiment; This just must make a call to a small sircle hole on octahedron, sample is contained in this small sircle hole, experimentizes.
Yet because the regular octahedron workpiece has special geometric shape; Be the small sircle hole that all is difficult on the regular octahedron workpiece, processing needs with lathe or bench drill, centre bore just is especially when punching with bench drill; Operating personnel serve as stationary fixture with hand phenomenon appears through regular meeting; Make that the process of boring processing is quite dangerous, and the centre bore of polishing often also can deflection take place or brill is made bellmouth orifice, cause the mismachining tolerance of centre bore to increase.And carry out the high-temperature high-pressure material experiment with these regular octahedron workpiece with big mismachining tolerance; The repeatability and the security of experiment will decline to a great extent; The accuracy of experimental result also can significantly reduce; And the possibility that the regular octahedron workpiece is blown out will significantly promote, and causes the waste of a large amount of financial resources and material resources, or even casualties.
Summary of the invention
The present invention proposes a kind of processing method of utilizing regular octahedron workpiece particular structure characteristic to process the centre bore of regular octahedron workpiece; The anchor clamps that also relate to the processing method that is exclusively used in this regular octahedron workpiece centre hole simultaneously; When being intended to solve the centre bore of the laboratory sample that adopts the prior art system of on the regular octahedron workpiece, boring to be used for the stuffing pressure experiment, the problem that the mismachining tolerance of centre bore is big.
The technical scheme of the processing method in this regular octahedron workpiece centre hole is following:
The processing method in a kind of regular octahedron workpiece centre hole, this processing method may further comprise the steps,
(1), a plurality of regular octahedron workpiece is kept flat the endoporus of the sleeve that is used for clamping regular octahedron workpiece; The diameter of bore size of this sleeve equates with the size of the equilateral triangle end face circumscribed circle diameter of regular octahedron workpiece; And the axis that makes the sleeve endoporus is vertical with the plane at the equilateral triangle end face place of regular octahedron workpiece top and bottom ends, thus make the hole wall of sleeve endoporus in the footpath of sleeve upwards with six spacing cooperations of summit of equilateral triangle end face of the top and bottom ends of regular octahedron workpiece;
(2), use axially stop block equilateral triangle end face to the top and bottom ends of regular octahedron workpiece on the axial direction of sleeve to carry out axial limiting;
(3), drill bit passes behind the through hole that the correspondence on the said axially stop block offers that processing connects the top of regular octahedron workpiece, the centre bore of the end two equilateral triangle end faces on the regular octahedron workpiece.
In the said sleeve along the endoporus of sleeve axially stacked at least two regular octahedron workpiece, the opposing end surface of adjacent two regular octahedron workpiece is fitted each other.
The technical scheme of anchor clamps of processing method of centre bore that is exclusively used in this regular octahedron workpiece is following:
Special fixture comprises the clamp body that is used to install the regular octahedron workpiece; Offer the equal circular hole of circumscribed circle diameter size of the equilateral triangle end face of diameter dimension and regular octahedron workpiece on the said clamp body; Said clamp body is provided with and is used for along the axial of said circular hole the regular octahedron workpiece being clamped in the axially stop block in the clamp body, the through hole that supplies drill bit to pass through when offering the centre bore that is used on processing regular octahedron workpiece on the said axially stop block.
Said circular hole has the axial length that the part entity that is in the regular octahedron workpiece of outermost one end at least in two regular octahedron workpiece that make clamping in the said clamp body exposes from the end of clamp body.
Said circular hole has the axial length that the end face that makes the regular octahedron workpiece of clamping in the said clamp body exposes from the end of clamp body; Said two axially stop blocks are respectively the tubular lid of installing on the step surface that is convexly equipped with on the hole wall of an end of said circular hole and the clamp body that is in the circular hole other end; The perisporium of said tubular lid is provided with and is used for the syndeton that detachably is fixedly connected with clamp body; One end of said tubular lid is provided with the shutoff plate that is used to seal up its opening, and said through hole is opened on said shutoff plate and the step surface.
Be provided with pad between said lid and the clamp body, offer the pad hole that is communicated with said through hole on the said pad.
Integraty is connected with the grip shank that is in the cylindric or flat column that is provided with step surface one end in the said circular hole on the said clamp body.
Offer on the said grip shank with said step surface on the through hole offered be communicated with the chip-removal hole that the chip that in the boring procedure of regular octahedron workpiece, produces for drill bit is discharged.
Said chip-removal hole is the bellmouth orifice that the aperture increases along the direction away from clamp body gradually.
The present invention has adopted that the end face of the opposite end of regular octahedron is parallel to each other, the architectural characteristic of regular octahedron entity in the projection of one end-face is in the circumscribed circle of this side triangle end face; The sleeve that equates with the size of the circumscribed circle diameter of regular octahedron workpiece through a size with diameter of bore comes clamping regular octahedron workpiece; Make the regular octahedron workpiece with square mode when packing in the endoporus of clamp body; The inwall of sleeve can be encircled on the periphery of regular octahedron workpiece; To the regular octahedron workpiece apply along the internal orifice dimension of sleeve to the top and bottom ends triangle end face that acts on the regular octahedron workpiece on radially spacing; The axially stop block that is provided with of two ends through sleeve is clamped at the regular octahedron workpiece in the sleeve then; Greater than the regular octahedron workpiece apply along the bore axes of sleeve to the triangle end face of the top and bottom ends that acts on the regular octahedron workpiece on axial limiting, thereby make drill bit after passing the through hole of offering on the axial limiting, on the regular octahedron workpiece, to be drilled with centre bore.
Description of drawings
Fig. 1 is the structural representation of regular octahedron workpiece;
Fig. 2 is the perspective view of lid among the embodiment 1 of special fixture of processing method in regular octahedron workpiece centre of the present invention hole;
Fig. 3 is the perspective view of clamp body among the embodiment 1 of special fixture of processing method in regular octahedron workpiece centre of the present invention hole;
Fig. 4 is the front view of lid among the embodiment 1 of special fixture of processing method in regular octahedron workpiece centre of the present invention hole;
Fig. 5 is the front view of clamp body among the embodiment 1 of special fixture of processing method in regular octahedron workpiece centre of the present invention hole;
Fig. 6 is the perspective view that the regular octahedron workpiece stacked when the regular octahedron workpiece stacked in furniture body among Fig. 2;
Fig. 7 is the front view of Fig. 6;
Fig. 8 is the perspective view of clamp body among the embodiment 2 of special fixture of processing method in regular octahedron workpiece centre of the present invention hole.
The specific embodiment
The embodiment of the processing method of the centre bore of regular octahedron workpiece of the present invention: the processing method in this regular octahedron workpiece centre hole, this processing method may further comprise the steps,
(1), a plurality of regular octahedron workpiece is kept flat the endoporus of the sleeve that is used for clamping regular octahedron workpiece; The diameter of bore size of this sleeve equates with the size of the equilateral triangle end face circumscribed circle diameter of regular octahedron workpiece; And the axis that makes the sleeve endoporus is vertical with the plane at the equilateral triangle end face place of regular octahedron workpiece top and bottom ends, thus make the hole wall of sleeve endoporus in the footpath of sleeve upwards with six spacing cooperations of summit of equilateral triangle end face of the top and bottom ends of regular octahedron workpiece;
(2), use axially stop block equilateral triangle end face to the top and bottom ends of regular octahedron workpiece on the axial direction of sleeve to carry out axial limiting;
(3), drill bit passes behind the through hole that the correspondence on the said axially stop block offers that processing connects the top of regular octahedron workpiece, the centre bore of the end two equilateral triangle end faces on the regular octahedron workpiece.
In the said sleeve along the endoporus of sleeve axially stacked at least two regular octahedron workpiece, the opposing end surface of adjacent two regular octahedron workpiece is fitted each other.
This processing method can realize through following special fixture:
The embodiment 1 of the special fixture of the processing method in regular octahedron workpiece centre of the present invention hole: extremely shown in Figure 7 like Fig. 1; These anchor clamps comprise clamp body 1; Offer the circular hole 3 that diameter dimension equates with the circumscribed circle diameter size of the equilateral triangle end face of regular octahedron workpiece 5 on the clamp body 1; Convex with step surface on the inwall of one end of circular hole 3; Be equiped with the lid 2 of the other end that is in circular hole 3 on the clamp body 1, the upper end of lid 2 is provided with the shutoff plate 7 that is used to seal up its opening, offers respectively on shutoff plate 7 and the step surface to be used for the through hole 8 that the confession drill bit passes when boring.
The end that is provided with that is provided with step surface of said clamp body 1 is connected with columned grip shank 9, in grip shank 9, offers the chip-removal hole 10 that is communicated with through hole, the bellmouth orifice that chip-removal hole 10 increases along the direction away from clamp body for the aperture gradually.
Convex with convex annular on the periphery of said clamp body 1 along 4; The coaxial convex annular that are set in clamp body 1 of lid 2 are along on the periphery of 4 tops, and the perisporium of cylindric lid 2 and convex annular along 4 on the corresponding screw of extension vertically that makes progress in week that is evenly distributed on lid 2 and clamp body 1 that offers use the hole.
The axial length of said circular hole 3 is less than the highly sum that keeps flat of four regular octahedron workpiece 5 installing in the clamp body; Just; The axial length of the macropore section of shoulder hole 3 is less than the summation of the distance of the opposite end surface of each regular octahedron workpiece 5 in four regular octahedron workpiece 5; But keep flat height sum, the state that the part entity that makes the axial length of circular hole 3 can guarantee that four regular octahedron workpiece 5 that are installed in the clamp body 1 are in regular octahedron workpiece 5 topmost exposes from the upper end of clamp body 1 greater than three regular octahedron workpiece 5.
In use; Because regular octahedron workpiece 5 when keeping flat (like Fig. 1); The projection of regular octahedron workpiece 5 on its plane, arbitrary equilateral triangle end face place is in the circumscribed circle of this side equilateral triangle end face, and operating personnel can put into clamp body 1 with the mode that keeps flat stack with four regular octahedron workpiece 5 respectively successively, then lid 2 are set on the upper end periphery of clamp body 1; And at said screw with hole inward turning cartridge screw 6; Make the lower surface of the shutoff plate on the lid 2 and top end face 501 close fit of regular octahedron workpiece 5 topmost, the step surface close fit that the bottom face 502 and circular hole 3 other ends of regular octahedron workpiece 5 bottom are convexly equipped with continues to tighten screw 9 then; Make regular octahedron workpiece 5 be clamped in the circular hole 3 of clamp body 1; Then can the grip shank 9 that one on the clamp body 1 connects be inserted in the three-jaw of lathe, the clamping through the control three-jaw makes anchor clamps and regular octahedron workpiece 5 be clamped on the lathe; At last, the car spot facing cutter on the lathe just can pass the centre bore that guide through hole 8 on the shutoff plate 7 of lid 2 is processed regular octahedron workpiece 5.
The embodiment 2 of the special fixture of the processing method in regular octahedron workpiece centre of the present invention hole: as shown in Figure 8; The difference of this embodiment and embodiment 1 is; The grip shank 29 that one connects on the clamp body 21 is a flat column; Thereby make clamp body 21 better to pass through these grip shank 29 clampings on vice, thus make anchor clamps to be fixed on the rig, and then make the centre bore on the regular octahedron workpiece 5 process through rig.
The present invention not only can be with in the regular octahedron workpiece cavity that is fixed in clamp body tightly; Make the centre bore that processes on the regular octahedron have size accurately, can also an one-time pad 4-8 regular octahedron, significantly improve working (machining) efficiency; And it is different according to the shape of bar tail; Can also be chosen on lathe or the bench drill and use, convenience simple to operation, safe and reliable.
In the above-described embodiments; Circular hole on the clamp body 1 can once be installed four regular octahedron workpiece; In other embodiments; Circular hole on the clamp body also can once be installed one to three or unnecessary four regular octahedron workpiece, and the axial length of the circular hole on the corresponding clamp body is set according to the concrete quantity and the size of the regular octahedron workpiece of its needs installing, thereby makes these anchor clamps can be applicable to different processing needs.
In the above-described embodiments, lid is for being set in the cylinder-like structure on the clamp body, and in other embodiments, the profile of lid also can be square tubular structure, but endoporus still is cylindric.
In the above-described embodiments; The axial length of the circular hole on the clamp body is less than the summation that keeps flat height of all regular octahedron workpiece of installing in it, and in other embodiments, the axial length of the circular hole on the clamp body 1 also can be greater than the summation that keeps flat height of all regular octahedron workpiece of installing in it; Corresponding; Lid is the plug that coaxial threaded is connected the upper end of circular hole, in use, the lower surface of plug can with the upper side close fit of regular octahedron workpiece.
In the above-described embodiments, the chip-removal hole of offering in the grip shank is a bellmouth orifice, and in other embodiments, this chip-removal hole also can be straight hole.
In the above-described embodiments; It is to be used to install the step surface that an end of the circular hole of regular octahedron workpiece is provided with and the lid of other end setting on the clamp body that being used for of being provided with in the clamp body is clamped in axially stop block in the clamp body with the regular octahedron workpiece; In other embodiments; The endoporus of clamp body also can be circular straight hole, and the axially stop block at corresponding clamp body two ends can all be plug or tubular lid.
Claims (9)
1. the processing method in a regular octahedron workpiece centre hole, it is characterized in that: this processing method may further comprise the steps,
(1), a plurality of regular octahedron workpiece is kept flat the endoporus of the sleeve that is used for clamping regular octahedron workpiece; The diameter of bore size of this sleeve equates with the size of the equilateral triangle end face circumscribed circle diameter of regular octahedron workpiece; And the axis that makes the sleeve endoporus is vertical with the plane at the equilateral triangle end face place of regular octahedron workpiece top and bottom ends, thus make the hole wall of sleeve endoporus in the footpath of sleeve upwards with six spacing cooperations of summit of equilateral triangle end face of the top and bottom ends of regular octahedron workpiece;
(2), use axially stop block equilateral triangle end face to the top and bottom ends of regular octahedron workpiece on the axial direction of sleeve to carry out axial limiting;
(3), drill bit passes behind the through hole that the correspondence on the said axially stop block offers that processing connects the top of regular octahedron workpiece, the centre bore of the end two equilateral triangle end faces on the regular octahedron workpiece.
2. the processing method of regular octahedron centre bore according to claim 1 is characterized in that: in the said sleeve along its endoporus axially stacked at least two regular octahedron workpiece, the opposing end surface of adjacent two regular octahedron workpiece is fitted each other.
3. be exclusively used in and implement the anchor clamps of method according to claim 1; It is characterized in that: comprise the clamp body that is used to install the regular octahedron workpiece; Offer the equal circular hole of circumscribed circle diameter size of the equilateral triangle end face of diameter dimension and regular octahedron workpiece on the said clamp body; Said clamp body is provided with and is used for along the axial of said circular hole the regular octahedron workpiece being clamped in the axially stop block in the clamp body, the through hole that supplies drill bit to pass through when offering the centre bore that is used on processing regular octahedron workpiece on the said axially stop block.
4. anchor clamps according to claim 3 is characterized in that: said circular hole has the axial length that the part entity that is in the regular octahedron workpiece of outermost one end at least in two regular octahedron workpiece that make clamping in the said clamp body exposes from the end of clamp body.
5. anchor clamps according to claim 3; It is characterized in that: said circular hole has the axial length that the end face that makes the regular octahedron workpiece of clamping in the said clamp body exposes from the end of clamp body; Said two axially stop blocks are respectively the tubular lid of installing on the step surface that is convexly equipped with on the hole wall of an end of said circular hole and the clamp body that is in the circular hole other end; The perisporium of said tubular lid is provided with and is used for the syndeton that detachably is fixedly connected with clamp body; One end of said tubular lid is provided with the shutoff plate that is used to seal up its opening, and said through hole is opened on said shutoff plate and the step surface.
6. anchor clamps according to claim 5 is characterized in that: be provided with pad between said lid and the clamp body, offer the pad hole that is communicated with said through hole on the said pad.
7. anchor clamps according to claim 5 is characterized in that: integraty is connected with the grip shank that is in the cylindric or flat column that is provided with step surface one end in the said circular hole on the said clamp body.
8. anchor clamps according to claim 7 is characterized in that: offer on the said grip shank with said step surface on the through hole offered be communicated with the chip-removal hole that the chip that in the boring procedure of regular octahedron workpiece, produces for drill bit is discharged.
9. anchor clamps according to claim 8 is characterized in that: said chip-removal hole is the bellmouth orifice that the aperture increases along the direction away from clamp body gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210010579.0A CN102689030B (en) | 2012-01-14 | 2012-01-14 | Method for machining central hole of regular octahedron workpiece and special clamp thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210010579.0A CN102689030B (en) | 2012-01-14 | 2012-01-14 | Method for machining central hole of regular octahedron workpiece and special clamp thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102689030A true CN102689030A (en) | 2012-09-26 |
| CN102689030B CN102689030B (en) | 2014-04-16 |
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| CN201210010579.0A Expired - Fee Related CN102689030B (en) | 2012-01-14 | 2012-01-14 | Method for machining central hole of regular octahedron workpiece and special clamp thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005527391A (en) * | 2002-05-29 | 2005-09-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Alignment tool, assembly tool and method for multi-planar workpieces |
| CN101498830A (en) * | 2009-02-19 | 2009-08-05 | 天津工程师范学院 | Pyramid prism fixing device and method |
| CN201529906U (en) * | 2009-10-23 | 2010-07-21 | 浙江科技学院 | Polyhedral fixture |
| US20110062642A1 (en) * | 2008-05-27 | 2011-03-17 | Makino Milling Machine Co. Ltd. | Workpiece Mounting Block and Machine Tool |
| CN202480268U (en) * | 2012-01-14 | 2012-10-10 | 河南科技大学 | Special fixture for processing centre hole of octahedron workpiece |
-
2012
- 2012-01-14 CN CN201210010579.0A patent/CN102689030B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005527391A (en) * | 2002-05-29 | 2005-09-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Alignment tool, assembly tool and method for multi-planar workpieces |
| US20110062642A1 (en) * | 2008-05-27 | 2011-03-17 | Makino Milling Machine Co. Ltd. | Workpiece Mounting Block and Machine Tool |
| CN101498830A (en) * | 2009-02-19 | 2009-08-05 | 天津工程师范学院 | Pyramid prism fixing device and method |
| CN201529906U (en) * | 2009-10-23 | 2010-07-21 | 浙江科技学院 | Polyhedral fixture |
| CN202480268U (en) * | 2012-01-14 | 2012-10-10 | 河南科技大学 | Special fixture for processing centre hole of octahedron workpiece |
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| CN102689030B (en) | 2014-04-16 |
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