CN103447567A - Method for processing axial holes of thin-wall cone - Google Patents
Method for processing axial holes of thin-wall cone Download PDFInfo
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- CN103447567A CN103447567A CN2013103528630A CN201310352863A CN103447567A CN 103447567 A CN103447567 A CN 103447567A CN 2013103528630 A CN2013103528630 A CN 2013103528630A CN 201310352863 A CN201310352863 A CN 201310352863A CN 103447567 A CN103447567 A CN 103447567A
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Abstract
The invention discloses a method for processing axial holes of a thin-wall cone and relates to a processing method for holes. The method comprises the following steps: a, manufacturing an auxiliary jig; b, installing the jig and parts; c, performing tool setting and tool changing; d, processing one hole; e, processing another hole; f, processing a first layer of holes; g, performing the tool setting again; h, processing a second layer of holes; i, processing all holes. According to the method disclosed by the invention, under the condition that a drilling tool is unchanged in position, a rotary turnplate is positioned by utilizing indexing holes to realize drilling of the thin-wall cone. The method is higher in processing precision, and the holes are not easy to deform. According to the method disclosed by the invention, a process that repositioning needs to be performed every time when one hole is processed is also saved, and therefore, the work efficiency can be greatly improved. Moreover, the used jig is simple in structure, and convenient to operate. In consideration of reasons, the method for processing the axial holes of the thin-wall cone disclosed by the invention is higher in promotion value.
Description
Technical field
The present invention relates to a kind of processing method of hole, be specifically related to a kind of method of processing thin-walled cone axial hole.
Background technology
In traditional field of machining, the processing that the thin-walled cone is carried out to hole is a difficult point always, and in prior art, the common processing mode that the thin-walled cone is carried out to hole has following two kinds: 1. with upright drill, directly hole; 2. use the jacking mode, the 1st kind of mode: drilling machine is directly holed, and the problem of its generation is that the workpiece location is unstable, and drill bit easily skids on surface of the work, and the Kong Buyuan processed, be difficult to the requirement of ensuring the quality of products.The 2nd kind of mode: carry out spot-facing with trepanning tool on drilling machine, the problem of its generation is when the workpiece axial hole is more, between Kong Yukong, easily produces and is out of shape even rib fracture, and quality also is difficult for guaranteeing.
Summary of the invention
Add man-hour in the solution prior art, the thin-walled cone being carried out to hole, produce distortion between Kong Buyuan, Kong Yukong that workpiece location is unstable, process, the technical problem of rib fracture even, the invention provides that a kind of hole circle degree that can accurately locate, process meets the requirements, the method for the processing thin-walled cone axial hole of deformation do not occur between Kong Yukong substantially.
A kind of method of processing thin-walled cone axial hole comprises the following steps:
A. make auxiliary clamp: the concrete structure of fixture is as follows, comprise base, rotating disk, rotary middle spindle, taper positioning body, described taper positioning body and thin-walled cone to be processed are complementary, and make the thin-walled cone can be sleeved on the taper positioning body and both concentric co-axial; The taper positioning body is processed with through hole in the central shaft position, be processed with vertically limiting hole around taper positioning body through hole, the ring layer of limiting hole is consistent with ring layer and the quantity of wanting machining hole on the thin-walled cone with quantity, limiting hole is to want the hole that projector space that machining hole forms in along from cone axis to projection process forms on the thin-walled cone, and the spacing hole that has at least of each ring layer is processed as through hole; Described rotating disk is circular disk body, and the taper positioning body is fixedly mounted on rotating disk, and rotating disk is processed with tool bore corresponding to the limiting through hole place of each ring layer of taper positioning body; Limited block is fixedly mounted on base, be processed with the calibration pin hole on limited block, the circumference side of rotating disk is processed with index hole, when to tool bore during corresponding to the limiting through hole of taper positioning body, the index hole of place, the circumference side processing of the rotating disk that the calibration pin hole is corresponding is initial index hole, rotary turnplate make to tool bore with adjacent to the spacing hole of limiting through hole at once, the index hole that the calibration pin hole is corresponding is the second index hole, determines by that analogy the position of index hole; Rotary middle spindle one end is fixedly mounted on the center of turntable place by the axle centre bore on rotating disk, and the other end is fixed on the thin-walled cone on rotating disk by the cone point of thin-walled cone; Base is the level board face, and rotating disk is arranged on base, and rotating disk can rotate with respect to base;
B. the installation of fixture and part: by rotary middle spindle 2 fixed installation rotating disks 4, taper positioning body 3 is sleeved on to the outside of rotary middle spindle 2; Base 5 is fixedly mounted on the work top of lathe; The limiting through hole of taper positioning body 3 with tool bore 18 is overlapped, again thin-walled cone 14 is enclosed within outside taper positioning body 3, utilize rotary middle spindle 2 that thin-walled cone 14 and taper positioning body 3 are compressed, with calibration latch 9, insert the calibration pin hole of limited block 10 and the index hole of rotating disk 4;
C. tool setting, tool changing: cutter shaft is being inserted tool bore 18, adjusting lathe working arm axle, making can be fixed on lathe on the arm axle of working the other end of cutter shaft, changing to cutter shaft installing drill spot facing cutter 1 on the work arm axle of lathe;
D. machining hole: start lathe, make lathe machining hole on thin-walled cone 14;
E. process another hole: withdraw from calibration latch 9, rotary turnplate, make calibration latch 9 insert in next index hole by limited block 10, carries out the processing in another hole;
F. complete the processing in this ring layer hole: repeating step c-e, until complete the porose processing of this ring layer;
G. tool setting again: withdraw from calibration latch 9, rotary conic positioning body 3, make the limiting through hole of taper positioning body 3 second ring layers with to tool bore 18
1overlap, repeating step c, but cutter is selected long drilled holes cutter 13;
H. process the second ring layer hole: repeating step d-f completes the processing in this ring layer hole;
I. complete porose processing: the step that repeats tool setting, machining hole can complete porose processing.
The present invention utilizes the method for workpiece circular inner wall and cone inwall location, realize the rotation of workpiece and fixture, in the situation that drilling tool invariant position, rotary turnplate, utilize index hole to position, the Drilling operation of realization to the thin-walled cone, there is higher machining accuracy, not yielding between Kong Yukong, the present invention has also saved the operation that hole of every processing all will be reorientated, can greatly increase work efficiency, and the clamp structure used is simple, easy to operate, in view of above reason, the method of a kind of processing thin-walled cone axial hole of the present invention is disclosed has higher promotional value.
the accompanying drawing explanation:
Accompanying drawing of the present invention is described as follows:
The clamp structure schematic diagram of the processing thin-walled cone axial hole of Fig. 1;
The top view of the fixture of the processing thin-walled cone axial hole of Fig. 2;
The fixture stereogram of the processing thin-walled cone axial hole of Fig. 3;
Stereogram during the fixture fine finishining of the processing thin-walled cone axial hole of Fig. 4;
18. pairs of tool bores 18 of 1. drilling tool 2. rotary middle spindle 3. taper positioning body 4. rotating disk 5. base 6. special type pressing plate 7. press plate mechanism 8. handle 9. calibration latch 10. limited block 11. fastening screw 12. calibration lining 13. long drilled holes cutter 14. thin-walled cone 15. end face alignment pin 16. rhombus pin 17. axle installing holes in figure
1. the second ring layer to tool bore.
the specific embodiment:
Below in conjunction with accompanying drawing, the present invention is further illustrated:
A kind of method of processing thin-walled cone axial hole comprises the following steps:
A. make auxiliary clamp: the concrete structure of fixture is as follows, comprise base 5, rotating disk 4, rotary middle spindle 2, taper positioning body 3, described taper positioning body 3 is complementary with thin-walled cone 14 to be processed, makes thin-walled cone 14 can be sleeved on taper positioning body 3 and both concentric co-axial; Taper positioning body 3 is processed with through hole in the central shaft position, be processed with vertically limiting hole around taper positioning body 3 through holes, the ring layer of limiting hole is consistent with ring layer and the quantity of wanting machining hole on thin-walled cone 14 with quantity, limiting hole is to want the hole that projector space that machining hole forms in along from cone axis to projection process forms on thin-walled cone 14, and each ring layer has at least a spacing hole to be processed as through hole; Described rotating disk 4 is circular disk body, and taper positioning body 3 is fixedly mounted on rotating disk 4, and rotating disk 4 is processed with tool bore 18 corresponding to the limiting through hole place of each ring layer of taper positioning body 3; Limited block 10 is fixedly mounted on base 5, be processed with the calibration pin hole on limited block 10, the circumference side of rotating disk 4 is processed with index hole, when to tool bore 18 during corresponding to the limiting through hole of taper positioning body 3, the index hole of place, the circumference side processing of the rotating disk 4 that the calibration pin hole is corresponding is initial index hole, rotary turnplate 4 makes tool bore 18 with spacing hole adjacent to limiting through hole at once, and the index hole that the calibration pin hole is corresponding is the second index hole, determines by that analogy the position of index hole; Rotary middle spindle 2 one ends are fixedly mounted on the center of turntable place by the axle centre bore 17 on rotating disk 4, and the other end is fixed on thin-walled cone 14 on rotating disk 4 by the cone point of thin-walled cone 14; Base 5 is the level board face, and rotating disk 4 is arranged on base 5, and rotating disk 4 can rotate with respect to base 5;
B. the installation of fixture and part: by rotary middle spindle 2 fixed installation rotating disks 4, taper positioning body 3 is sleeved on to the outside of rotary middle spindle 2; Base 5 is fixedly mounted on the work top of lathe; The limiting through hole of taper positioning body 3 with tool bore 18 is overlapped, again thin-walled cone 14 is enclosed within outside taper positioning body 3, utilize rotary middle spindle 2 that thin-walled cone 14 and taper positioning body 3 are compressed, with calibration latch 9, insert the calibration pin hole of limited block 10 and the index hole of rotating disk 4;
C. tool setting, tool changing: cutter shaft is being inserted tool bore 18, adjusting lathe working arm axle, making can be fixed on lathe on the arm axle of working the other end of cutter shaft, changing to cutter shaft installing drill spot facing cutter 1 on the work arm axle of lathe;
D. machining hole: start lathe, make lathe machining hole on thin-walled cone 14;
E. process another hole: withdraw from calibration latch 9, rotary turnplate, make calibration latch 9 insert in next index hole by limited block 10, carries out the processing in another hole;
F. complete the processing in this ring layer hole: repeating step c-e, until complete the porose processing of this ring layer;
G. tool setting again: withdraw from calibration latch 9, rotary conic positioning body 3, make the limiting through hole of taper positioning body 3 second ring layers with to tool bore 18
1overlap, repeating step c, but cutter is selected long drilled holes cutter 13;
H. process the second ring layer hole: repeating step d-f completes the processing in this ring layer hole;
I. complete porose processing: the step that repeats tool setting, machining hole can complete porose processing.
For making the axial hole better effects if of thin-walled cone 14 of processing, the present invention also comprises the fine finishining step, is specially:
J. remove taper positioning body 3, change the cutter that fine finishining is used, repeat rough machined step, can realize the fine finishining to thin-walled cone 14.
Fixture in the present invention also comprises press plate mechanism 7, and press plate mechanism 7 comprises pressing plate and two groups of hold-down screws, and pressing plate is fixed on base 5, take by force on rotating disk 4 one end termination, in step b, after the calibration latch inserts index hole, screw press plate mechanism 7 compression rotating disks 4 and make it not play.
Fixture in step a of the present invention can also comprise special type pressing plate 6, special type pressing plate 6 be arranged on the thin-walled cone outer, with the adjacent of machining hole, the special type pressing plate comprises installation end and working end, adjust the position, working end, while being located at the adjacent of machining hole, described installation end is fixed on it on taper positioning body 3 by bolt, makes working end compress thin-walled cone face.
Fixture in step a of the present invention can also comprise fastening screw 11, the position of nearly bottom surface, described thin-walled cone side is designed with the fastening screw hole, the correspondence position of taper positioning body 3 also is designed with installing hole, can insert fastening screw 11, corresponding, fastening screw to be inserted to respective aperture in step b.Above-mentioned design can prevent that thin-walled cone 14 is with respect to taper positioning body 3 plaies.
Fixture in step a of the present invention can also comprise the pin be fixedly mounted on rotating disk 4, and on taper positioning body 3, correspondence position is designed with pin-and-hole, corresponding, in step b, taper positioning body 3 is sleeved on rotary middle spindle 2 and pin simultaneously.When pin is selected rhombus pin 16, effect is best.
While in step j, axial hole being carried out to fine finishining, after removing taper positioning body 3; the thin-walled cone may be with respect to the rotating disk play; for this reason; the present invention also is designed with respectively the end face dowel hole in the relevant position of disk edge and taper positioning body, for end face alignment pin 15 is installed, corresponding; in step b, taper positioning body 3 is sleeved on rotary middle spindle 2 and pin simultaneously.
Protection scope of the present invention is not limited only to specific embodiment public technology scheme; all workpiece circular inner wall, cone inwall and index holes of utilizing position, and concrete technical scheme of with taper positioning body, rotating disk, base, carrying out the processing in thin-walled cone hole all falls into protection scope of the present invention.
Claims (7)
1. the method for a processing thin-walled cone axial hole comprises the following steps:
A. make auxiliary clamp: the concrete structure of fixture is as follows, comprise base (5), rotating disk (4), rotary middle spindle (2), taper positioning body (3), described taper positioning body (3) is complementary with thin-walled cone (14) to be processed, makes thin-walled cone (14) can be sleeved on taper positioning body (3) above and both concentric co-axial; Taper positioning body (3) is processed with through hole in the central shaft position, be processed with vertically limiting hole around taper positioning body (3) through hole, the ring layer of limiting hole is consistent with ring layer and the quantity of quantity and the upper wish of thin-walled cone (14) machining hole, to be that thin-walled cone (14) is upper want the hole that projector space that machining hole forms in along from cone axis to projection process forms to limiting hole, and each ring layer has at least a spacing hole to be processed as through hole; Described rotating disk (4) is circular disk body, and it is upper that taper positioning body (3) is fixedly mounted on rotating disk (4), and rotating disk (4) is processed with tool bore (18) corresponding to the limiting through hole place of each ring layer of taper positioning body (3); Limited block (10) is fixedly mounted on base (5), limited block is processed with the calibration pin hole on (10), the circumference side of rotating disk (4) is processed with index hole, when to tool bore (18) during corresponding to the limiting through hole of taper positioning body (3), the index hole of place, the circumference side processing of the rotating disk that the calibration pin hole is corresponding (4) is initial index hole, rotary turnplate (4) make to tool bore (18) with adjacent to the spacing hole of limiting through hole at once, the index hole that the calibration pin hole is corresponding is the second index hole, determines by that analogy the position of index hole; Rotary middle spindle (2) one ends are fixedly mounted on the center of turntable place by the axle centre bore (17) on rotating disk (4), and the other end is fixed on thin-walled cone (14) on rotating disk (4) by the cone point of thin-walled cone (14); Base (5) is the level board face, and it is upper that rotating disk (4) is arranged on base (5), and rotating disk (4) can rotate with respect to base (5);
B. the installation of fixture and part: by rotary middle spindle (2) fixed installation rotating disk (4) above, taper positioning body (3) is sleeved on to the outside of rotary middle spindle (2); Base (5) is fixedly mounted on the work top of lathe; The limiting through hole of taper positioning body (3) with tool bore (18) is overlapped, again thin-walled cone (14) is enclosed within outside taper positioning body (3), utilize rotary middle spindle (2) that thin-walled cone (14) and taper positioning body (3) are compressed, with calibration latch (9), insert the calibration pin hole of limited block (10) and the index hole of rotating disk (4);
C. tool setting, tool changing: cutter shaft is being inserted tool bore (18), adjusting lathe working arm axle, making can be fixed on lathe on the arm axle of working the other end of cutter shaft, changing to cutter shaft installing drill spot facing cutter (1) on the work arm axle of lathe;
D. machining hole: start lathe, make lathe at the upper machining hole of thin-walled cone (14);
E. process another hole: withdraw from calibration latch (9), rotary turnplate, make calibration latch (9) insert in next index hole by limited block (10), carries out the processing in another hole;
F. complete the processing in this ring layer hole: repeating step c-e, until complete the porose processing of this ring layer;
G. tool setting again: withdraw from calibration latch (9), rotary conic positioning body (3), make the limiting through hole of taper positioning body (3) second ring layers with to tool bore (18
1) overlap, repeating step c, but cutter is selected long drilled holes cutter (13);
H. process the second ring layer hole: repeating step d-f completes the processing in this ring layer hole;
I. complete porose processing: the step that repeats tool setting, machining hole can complete porose processing.
2. the method for a kind of processing thin-walled cone axial hole according to claim 1, it is characterized in that: also comprise the fine finishining step, be specially: j. removes taper positioning body (3), change the cutter that fine finishining is used, repeat rough machined step, can realize the fine finishining to thin-walled cone (14).
3. the method for a kind of processing thin-walled cone axial hole according to claim 1 and 2, it is characterized in that: fixture also comprises press plate mechanism (7), press plate mechanism (7) comprises pressing plate and two groups of hold-down screws, pressing plate is fixed on base (5), one end termination is taken by force at rotating disk (4) upper, corresponding, in step b, after the calibration latch inserts index hole, screw press plate mechanism (7) compression rotating disk (4) and make it not play.
4. the method for a kind of processing thin-walled cone axial hole according to claim 1 and 2, it is characterized in that: the fixture in step a can also comprise special type pressing plate (6), special type pressing plate (6) be arranged on the thin-walled cone outer, with the adjacent of machining hole, the special type pressing plate comprises installation end and working end, adjust the position, working end, while being located at the adjacent of machining hole, it is upper that described installation end is fixed on taper positioning body (3) by bolt by it, makes working end compress thin-walled cone face.
5. the method for a kind of processing thin-walled cone axial hole according to claim 1 and 2, it is characterized in that: the fixture in step a can also comprise fastening screw (11), the position of nearly bottom surface, described thin-walled cone side is designed with the fastening screw hole, the correspondence position of taper positioning body (3) also is designed with installing hole, can insert fastening screw (11), corresponding, fastening screw to be inserted to respective aperture in step b.
6. the method for a kind of processing thin-walled cone axial hole according to claim 1 and 2, it is characterized in that: the fixture in step a can also comprise the pin be fixedly mounted on rotating disk (4), the upper correspondence position of taper positioning body (3) is designed with pin-and-hole, corresponding, in step b, taper positioning body (3) are sleeved on rotary middle spindle (2) and pin simultaneously.
7. the method for a kind of processing thin-walled cone axial hole according to claim 1 and 2, it is characterized in that: while in step j, axial hole being carried out to fine finishining, after removing taper positioning body (3); the thin-walled cone may be with respect to the rotating disk play; for this reason; the present invention also is designed with respectively the end face dowel hole in the relevant position of disk edge and taper positioning body; for end face alignment pin (15) is installed; corresponding; in step b, taper positioning body (3) are sleeved on rotary middle spindle (2) and pin simultaneously.
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| CN201310352863.0A CN103447567B (en) | 2013-08-09 | 2013-08-09 | A kind of method of processing thin-walled cone axial hole |
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| CN201310352863.0A CN103447567B (en) | 2013-08-09 | 2013-08-09 | A kind of method of processing thin-walled cone axial hole |
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Cited By (3)
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| CN105643296A (en) * | 2016-03-14 | 2016-06-08 | 沈阳航空航天大学 | Ancillary supporting device for machining thin-wall revolving member and using method for ancillary supporting device |
| CN112091340A (en) * | 2020-09-14 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Machining method and clamp for split spring |
| CN112453945A (en) * | 2020-10-27 | 2021-03-09 | 成都飞机工业（集团）有限责任公司 | Hole making device and hole making method for deep-cylinder thin-wall part |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112453945A (en) * | 2020-10-27 | 2021-03-09 | 成都飞机工业（集团）有限责任公司 | Hole making device and hole making method for deep-cylinder thin-wall part |
| CN112453945B (en) * | 2020-10-27 | 2022-06-14 | 成都飞机工业（集团）有限责任公司 | Hole making device and hole making method for deep-cylinder thin-wall part |
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|---|---|
| CN103447567B (en) | 2016-01-20 |
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