CN202763134U - Device for processing threaded holes - Google Patents

Device for processing threaded holes Download PDF

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Publication number
CN202763134U
CN202763134U CN 201220263333 CN201220263333U CN202763134U CN 202763134 U CN202763134 U CN 202763134U CN 201220263333 CN201220263333 CN 201220263333 CN 201220263333 U CN201220263333 U CN 201220263333U CN 202763134 U CN202763134 U CN 202763134U
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CN
China
Prior art keywords
outer rotor
motherboard
location
magnet steel
magneto
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.)
Withdrawn - After Issue
Application number
CN 201220263333
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Chinese (zh)
Inventor
刘万平
倪红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfang Electric Machinery Co Ltd DEC
Original Assignee
Dongfang Electric Machinery Co Ltd DEC
Priority date (The priority date 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 date listed.)
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Application filed by Dongfang Electric Machinery Co Ltd DEC filed Critical Dongfang Electric Machinery Co Ltd DEC
Priority to CN 201220263333 priority Critical patent/CN202763134U/en
Application granted granted Critical
Publication of CN202763134U publication Critical patent/CN202763134U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model relates to a device for processing threaded holes, which comprises an arc positioning motherboard, wherein the curvature of the outer arc surface of the positioning motherboard is the same as that of the inner arc surface of an outer rotor of a permanent-magnet generator; a plurality of guide holes are formed in the positioning motherboard longitudinally; the guide holes penetrate through the positioning motherboard radially; and positions of the guide holes correspond to longitudinal positions of magnetic steel bolting threaded holes in the outer rotor of the permanent-magnet generator one by one. The device is adopted to assist positioning and processing of the magnetic steel bolting threaded holes; as the curvature of the outer arc surface of the positioning motherboard is the same as that of the inner arc surface of the outer rotor of the permanent-magnet generator, the assembled positioning motherboard is laminated on an inner wall of the outer rotor of the permanent-magnet generator; the positioning is stable; and the radial and axial processing accuracy of the magnetic steel bolting threaded holes is ensured by virtue of guiding of the guide holes longitudinally formed in the positioning motherboard during the drilling and tapping processes.

Description

A kind of device of thread mill drilling
Technical field
The utility model relates to a kind of positioning auxiliary device of directly driven wind-powered magneto outer rotor magnet steel threaded hole processing, particularly a kind of device of thread mill drilling.
Background technology
In the directly driven wind-powered magneto of external-rotor-type, usually the intrados array of outer rotor has several magnet steel, and magnet steel is along the circumferential circular array of outer rotor, and is some files along the direction that is parallel to outer roller axial and distributes.
Usually, bonding magnetic steel is at the inner circumferential surface of outer rotor, but adopts in such a way, because service life and the reliability of glue are not good, the service life that device is whole and reliability all are difficult to guarantee.In order to improve the reliability of connection, the mode that usually outer rotor and magnet steel is threaded connection is carried out fastening.Concrete, at first need on outer rotor, radially, axially to offer some groups of uniform screws, and at magnet steel some bolts are set, after the position of screw and the assembling on the magnet steel position of bolt corresponding one by one, by above-mentioned bolt, screw cooperation with the magnet steel location that is threaded with outer rotor.
Although the better reliability of above-mentioned syndeton, but because numerous screws radially, axially is distributed on the outer rotor, the difficulty of location, boring is large, and all is to hole on the face of cylinder, so each screw is large along axial, circumferential accurately location, the difficulty of processing of outer rotor.
Existing main scheme be manual line location, and employing T-square or single-frame rule with monolateral positioning marking wrench worker is pasted magnet steel again.Such method inefficiency, labour intensity are large and installation accuracy is poor.
See also Fig. 1, Fig. 2, the scheme that now also has a kind of operating efficiency to increase, at first outer rotor is placed on the turntable, in the periphery of outer rotor several radial drilling machines are set again; radial drilling machine radially maintains static outer rotor; drive the outer rotor intermittent rotary to the relevant position by turntable, drive again radial drilling machine and radially inwardly process corresponding screw along outer rotor.Adopt such frock, though improve to some extent at aspects such as working (machining) efficiency, labour intensity, but because radial drilling machine need be arranged on the outer radial periphery of outer rotor, not only take up room large, processing for large diameter outer rotor is particularly difficult, in addition, also there is the defective that number of devices is many, structure is numerous and jumbled, with high costs.
The utility model content
The technical problems to be solved in the utility model is to overcome the above-mentioned deficiency of prior art, provides a kind of auxiliary positioning that is used for applied widely, simple in structure to process magnet steel the device that closes the thread mill drilling of screw.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of device of thread mill drilling, comprise the location motherboard, described location motherboard is arc, the extrados of location motherboard is identical with the curvature of the intrados of magneto outer rotor, described location motherboard longitudinally is arranged with several pilot holes, each pilot hole all radially runs through the location motherboard, and the lengthwise position of the magnet steel threaded hole on the position of pilot hole and the magneto outer rotor is corresponding one by one.
Adopt such processing unit (plant) auxiliary positioning processing magnet steel closing screw, because the extrados of location motherboard is identical with the curvature of the intrados of magneto outer rotor, the location motherboard fits in the inwall of magneto outer rotor after the assembling, positioning stablity, and by several pilot holes of longitudinally arranging on the motherboard of location, in boring, lead during tapping, guaranteed the magnet steel threaded hole radially, axial machining accuracy.
Preferably, the top of described location motherboard is provided with the seam that protrudes along extrados; Because the flatness precision of anti-drive end end face after processing of magneto outer rotor is high, the seam that protrudes by the extrados along the location motherboard during assembling and the anti-drive end end face of magneto outer rotor fit tightly, and can guarantee to locate motherboard and have good assembly precision.
Preferably, be provided with binder between the extrados of described arc and magneto outer rotor, described binder comprises the first clamping part and the second clamping part, described the first clamping part closely is connected with the extrados of magneto outer rotor, described the second clamping part is arranged at intrados one side of arc, described the second clamping part has been disposed radially the adjusting screw, regulates in the screw and is provided with hold-down bolt, and described hold-down bolt is with respect to the second clamping part moving radially along the magneto outer rotor.By binder magneto outer rotor and location motherboard are exerted pressure fastening, further improve Assembly stability, thereby reduce mismachining tolerance, improve machining accuracy.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, by the device of such thread mill drilling, the some pilot holes on the motherboard of location lead to boring, tapping, and machining accuracy is high, and easy operating, and process velocity is fast;
2, utilize plane precision is high on the magneto outer rotor anti-drive end end face as the axial location datum level, magnet steel threaded hole precision vertically is accurate, the assurance magnet steel is finished assembling smoothly, and closely connected by the inwall of the location extrados of motherboard and magneto outer rotor, location motherboard stability is better, and reduces the error that the magnet steel threaded hole adds man-hour.
Description of drawings
Fig. 1 is the main schematic diagram of directly driven wind-powered magneto outer rotor magnet steel threaded hole processing unit (plant) in the prior art;
Fig. 2 is the top view of directly driven wind-powered magneto outer rotor magnet steel threaded hole processing unit (plant) in the prior art;
Fig. 3 is the schematic diagram of arranging of directly driven wind-powered magneto outer rotor upper magnetic steel threaded hole;
Fig. 4 is the schematic diagram behind the alinco assembled in the directly driven wind-powered magneto outer rotor of the utility model upper magnetic steel threaded hole processing method;
Fig. 5 is the structural representation of location motherboard in the utility model;
Fig. 6 is the front view of location motherboard in the utility model;
Fig. 7 is the side view of location motherboard in the utility model;
Fig. 8 is the machining sketch chart of directly driven wind-powered magneto outer rotor magnet steel threaded hole in the utility model;
Fig. 9 is the local enlarged diagram of A part among Fig. 8;
Figure 10 is the schematic diagram after directly driven wind-powered magneto outer rotor processes the magnet steel threaded hole in the utility model;
Figure 11 is the partial top view of Figure 10.
Reference numeral is as follows: location motherboard-1; Magneto outer rotor-2; Anti-drive end-the 2a of magneto outer rotor; Drive end-the 2b of magneto outer rotor; Magnet steel threaded hole-2c; Seam-3; Pilot hole-4; Rotary rig-5; Binder-6; The first clamping part-6a; The second clamping part-6b; Hold-down bolt-6d; Magnet steel-8.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Embodiment of the present utility model is not limited to following examples, all belongs within the protection domain of the present utility model in the various variations of making under the prerequisite that does not break away from the utility model aim.
Embodiment 1
See also Fig. 4 to Figure 11, a kind of device of thread mill drilling, comprise location motherboard 1, location motherboard 1 is arc, the extrados of location motherboard 1 is identical with the curvature of the intrados of magneto outer rotor 2, location motherboard 1 longitudinally is arranged with several pilot holes 4, and each pilot hole 4 all radially runs through location motherboard 1, and the lengthwise position of the magnet steel threaded hole 2c on the position of pilot hole 4 and the magneto outer rotor 2 is corresponding one by one; Adopt such processing unit (plant) auxiliary positioning processing magnet steel threaded hole 2c, because the extrados of location motherboard 1 is identical with the curvature of the intrados of magneto outer rotor 2, location motherboard 1 fits in the intrados of magneto outer rotor 2 after the assembling, positioning stablity, and by several pilot holes 4 of longitudinally arranging on the motherboard 1 of location, in boring, lead during tapping, guaranteed magnet steel threaded hole 2c radially, axial machining accuracy.
Utilize the device of the present embodiment thread mill drilling to assist the method for finishing magnet steel threaded hole 2c processing as follows:
Step a, with CNC planer type milling machine process the location motherboard 1:
Location motherboard 1 is arc, the extrados of location motherboard 1 is identical with the curvature of the intrados of magneto outer rotor 2, that is: during assembling, the extrados of location motherboard 1 can be closely connected with the intrados of magneto outer rotor 2, after assembling, the extrados of location motherboard 1 and the intrados of magneto outer rotor 2 are fitted; Owing to the extrados of location motherboard 1 is identical with the curvature of the intrados of magneto outer rotor 2, location motherboard 1 fits in the intrados of magneto outer rotor 2 after the assembling, positioning stablity, accurate.
The top of location motherboard 1 is provided with the seam 3 that protrudes along the extrados of location motherboard 1, the bottom of seam 3 is the plane, and after assembling, fit with the anti-drive end 2a end face of magneto outer rotor, position in order to the vertical starting altitude to location motherboard 1, because the anti-drive end 2a end face of magneto outer rotor is adding man-hour, the flatness precision is high, utilize the seam 3 that protrudes along the extrados of location motherboard 1, fit tightly with the anti-drive end 2a end face of magneto outer rotor, can guarantee to locate motherboard 1 and have good assembly precision.
The location is provided with that four row longitudinally arrange on the motherboard 1, several pilot holes 4, each pilot hole 4 all radially runs through location motherboard 1, each pilot hole 4 all is that the position with reference to each magnet steel threaded hole 2c on the work piece magneto outer rotor 2 processes, each pilot hole 4 is all located motherboard 1 along radially running through of location motherboard 1, the lengthwise position of magnet steel threaded hole 2c on the position of pilot hole 4 and the magneto outer rotor 2 is corresponding one by one, be that each pilot hole 4 equates with the distance of the anti-drive end 2a end face of magneto outer rotor with fore-and-aft distance and the magnet steel threaded hole 2c of seam 3 lower surfaces, can guarantee to locate motherboard 1 assembling in place after, guiding is finished vertically, circumferential location and boring.
Step b, first location motherboard 1 is installed in the anti-drive end 2a of magneto outer rotor:
Vertical line of each pilot hole 4 on the first location motherboard 1 is alignd with vertical line of arbitrary row magnet steel threaded hole 2c of magneto outer rotor 2, and the extrados of location motherboard 1 and the intrados of magneto outer rotor 2 are fitted tightly, the seam 3 of location motherboard 1 is fitted with the anti-drive end 2a end face of magneto outer rotor, the lengthwise position of the magnet steel threaded hole 2c of a file to be processed is corresponding one by one on the position of the pilot hole 4 of location on the motherboard 1 and the magneto outer rotor 2, is then located.
Step c, at nine location of the circumferential installation of magneto outer rotor 2 motherboard 1, on each location motherboard 1 four row pilot holes 4 are arranged all, the quantity that respectively lists pilot hole 4 is identical, be separated with magnet steel threaded hole 2c between between adjacent two location motherboards 1, and between adjacent two location motherboards 1 the magnet steel threaded hole 2c at interval columns with locate motherboard 1 on the columns of pilot hole 4 identical.
After the completing steps c assembling, position at the 80 row magnet steel threaded hole 2c circumferential uniform, to be processed of magneto outer rotor 2, behind the motherboard 1 of step b, step c installation location, pilot hole 4 on 40 row magnet steel threaded hole 2c being arranged and locating motherboard 1 is corresponding, and per two groups adjacent, among the four row magnet steel threaded hole 2c that pilot hole 4 should be arranged, be separated with four row, four row magnet steel threaded holes row to be processed and that location motherboard 1 is installed between all.
Steps d, by being arranged at the rotary rig 5 of magneto outer rotor 2 central authorities, each pilot hole 4 corresponding magnet steel threaded hole 2c is holed, then carry out manual tapping.Rotary rig 5 is arranged at the central authorities of magneto outer rotor 2, i.e. the rotating shaft of rotary rig 5 and the 2 coaxial settings of magneto outer rotor, when the bit of rotary rig 5, keep drill bit and magneto outer rotor 2 radially in the same way.Before magnet steel threaded hole 2c holed, with the drill bit of rotary rig 5 be adjusted to corresponding with pilot hole 4 vertically and circumferential position.When creeping into, drill bit improves borehole accuracy and finishes boring at the auxiliary lower accurate guide-localization of pilot hole 4.After finishing boring, break in the magnet steel threaded hole 2c for fear of screw tap 7, finish tapping in the mode of hand tapping.
Step e, motherboards 1 install are located at the magnet steel threaded hole 2c places at interval between adjacent two the location motherboards 1 described in the step c, after processing magnet steel threaded hole 2c by the preorder step, magneto outer rotor 2 circumferentially, the place to be processed of magnet steel threaded hole 2c, location motherboard 1 is installed, the guiding during with realization boring.
Step f, repeating step d hole to each pilot hole 4 corresponding magnet steel threaded hole 2c, then carry out manual tapping, finish all processing of magnet steel threaded hole 2c on the magneto outer rotor 2.
In the present embodiment, the edge circumferentially is distributed in magneto outer rotor 2 inwalls, the magnet steel threaded hole 2c that intends processing amounts to 80 row, comprise four row pilot holes 4 on each location motherboard 1, therefore, when motherboard 1 assembling of step c location is finished, amount to 10 location motherboards 1, corresponding 40 row magnet steel threaded hole 2c, simultaneously, remain 40 row magnet steel handle and close 10 location motherboard 1 correspondences that install by step e in screw thread 2c hole, and guiding, finish processing, after all magnet steel threaded hole 2c machined, magnet steel 8 can be fastening by bolt and magnet steel threaded hole 2c.
In all the other embodiments, be arranged at the columns of pilot hole 4 on the motherboard 1 of location, that longitudinally arrange, can circumferentially be distributed in difference magneto outer rotor 2 inwalls, that intend the magnet steel threaded hole 2c columns of processing according to the edge, can be two row, three row, five row or more, as long as behind the some location of the assembling motherboard 1, nonmagnetic steel threaded hole 2c row do not get final product with pilot hole 4 pairings, just repeat no more at this.
Embodiment 2
See also Fig. 4 to Figure 11, in the device of the present embodiment thread mill drilling, the top of location motherboard 1 is provided with the seam 3 that protrudes along extrados; Because the flatness precision of anti-drive end 2a end face after processing of magneto outer rotor is high, the seam 3 that protrudes by the extrados along location motherboard 1 during assembling fits tightly with the anti-drive end 2a end face of magneto outer rotor, can guarantee to locate motherboard 1 and have good assembly precision.
All the other structures see also embodiment 1.
Utilize the auxiliary method of finishing the processing of magnet steel threaded hole of device of the present embodiment thread mill drilling, see also embodiment 1.
Embodiment 3
See also Fig. 4 to Figure 11, in the device of the present embodiment thread mill drilling, be provided with binder 6 between the extrados of arc and magneto outer rotor 2, binder 6 comprises the first clamping part 6a and the second clamping part 6b, the first clamping part 6a closely is connected with the extrados of magneto outer rotor 2, the second clamping part 6b is arranged at intrados one side of arc, the second clamping part 6b has been disposed radially the adjusting screw, regulate in the screw and be provided with hold-down bolt 6d, hold-down bolt 6d is with respect to the second clamping part 6b moving radially along magneto outer rotor 2.Exert pressure by 6 pairs of magneto outer rotors of binder 2 and location motherboard 1 fastening, further improve Assembly stability, thereby reduce mismachining tolerance, improve machining accuracy.
All the other structures see also embodiment 3.
Utilize the auxiliary method of finishing the processing of magnet steel threaded hole of device of the present embodiment thread mill drilling, see also embodiment 1.
The utility model is not limited to the aforesaid specific embodiment.The utility model expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.

Claims (3)

1. the device of a thread mill drilling, it is characterized in that: comprise location motherboard (1), described location motherboard (1) is arc, the extrados of location motherboard (1) is identical with the curvature of the intrados of magneto outer rotor (2), described location motherboard (1) longitudinally is arranged with several pilot holes (4), each pilot hole (4) all radially runs through location motherboard (1), and the lengthwise position of the magnet steel threaded hole (2c) on the position of pilot hole (4) and the magneto outer rotor (2) is corresponding one by one.
2. the device of thread mill drilling according to claim 1 is characterized in that: the top of described location motherboard (1) is provided with the seam (3) that protrudes along extrados.
3. the device of thread mill drilling according to claim 2, it is characterized in that: be provided with binder (6) between the extrados of described arc and magneto outer rotor (2), described binder (6) comprises the first clamping part (6a) and the second clamping part (6b), described the first clamping part (6a) closely is connected with the extrados of magneto outer rotor (2), described the second clamping part (6b) is arranged at intrados one side of arc, described the second clamping part (6b) has been disposed radially the adjusting screw, regulate in the screw and be provided with hold-down bolt (6d), described hold-down bolt (6d) is with respect to the second clamping part (6b) moving radially along magneto outer rotor (2).
CN 201220263333 2012-06-06 2012-06-06 Device for processing threaded holes Withdrawn - After Issue CN202763134U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220263333 CN202763134U (en) 2012-06-06 2012-06-06 Device for processing threaded holes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220263333 CN202763134U (en) 2012-06-06 2012-06-06 Device for processing threaded holes

Publications (1)

Publication Number Publication Date
CN202763134U true CN202763134U (en) 2013-03-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220263333 Withdrawn - After Issue CN202763134U (en) 2012-06-06 2012-06-06 Device for processing threaded holes

Country Status (1)

Country Link
CN (1) CN202763134U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103464806A (en) * 2012-06-06 2013-12-25 东方电气集团东方电机有限公司 Method and device for machining threaded hole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103464806A (en) * 2012-06-06 2013-12-25 东方电气集团东方电机有限公司 Method and device for machining threaded hole
CN103464806B (en) * 2012-06-06 2015-09-16 东方电气集团东方电机有限公司 A kind of method of thread mill drilling and device

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130306

Effective date of abandoning: 20150916

RGAV Abandon patent right to avoid regrant