The brush cover is fixed to the special fixture on the brush plate
[
Technical field]
The utility model relates to method or the equipment that is exclusively used in manufacturing, assembling, maintenance or repairing motor, particularly relates to making special fixture small-sized and micromachine, relates in particular to the brush cover is fixed to the special fixture on the brush plate.
[
Background technology]
Micromachine need be fixed to two brush covers on the brush plate, and the anchor clamps that prior art adopts comprise the upper die and lower die that are fixed on the manual equipment.In the time of fixedly; Each fixed convex pin of two brushes cover inserts in each through hole of brush plate earlier; Place it in again on the counterdie, operate said manual equipment again, make it to carry said patrix and move downward; Be flattened into each fixed convex pin of said two brushes cover on the brush plate, thereby two brush covers are fixed on the brush plate.Use such anchor clamps that following weak point is arranged:
1, the accent machine is complicated, and upper and lower mould contraposition is difficulty; And these anchor clamps are installed on the manual equipment, and operator's strength is not enough, are difficult to all be flattened into each fixed convex pin of two brushes cover on the brush plate;
When 2, said patrix moves downward, need move downward twice, and need could each fixed convex pin of said two brushes cover be flattened on the brush plate by a cushion block;
3, operation effort is time-consuming, and efficient is low.
[
The utility model content]
The technical problem that the utility model will solve is to avoid the weak point of above-mentioned prior art and provides a kind of the brush cover is fixed to the special fixture on the brush plate; This special fixture can use pneumatic or electrical equipment; Can once the brush cover be fixed on the brush plate, and the application of force is relatively more even, the direction calibration, makes brush plate be not easy distortion; Guaranteed assembly quality, processing safety and efficient have also all improved.
The technical scheme that the utility model solve the technical problem employing is:
Provide a kind of the brush cover is fixed to the special fixture on the brush plate, comprise the upper die and lower die that are provided with connector; Said special fixture also comprises the base that is fixed on the said counterdie, be fixed on two guide pillars on the said counterdie, brush cover positioning strip, be enclosed within two mould bases springs, patrix sliding seat, two patrixes compressions spring, two fixed slip bars and two pressing die head on two guide pillars respectively; Said base upper bottom surface is toward having an elongated slot, with and upper bottom surface be provided with the two place alignment pin adaptive with the two through hole of brush plate; The width of said brush cover positioning strip is slightly less than said brush cover inner width; It highly is equal to or slightly less than said brush cover internal height; Two brushes cover overlaps the elongated slot that can put into said base after the positioning strip bottom surface is inserted in together from said brush, and the upper bottom surface of putting into back said brush cover positioning strip is concordant or lower slightly with said base upper bottom surface; Said fixed slip bar comprises head and the bar portion littler than this head external dimensions; Said patrix also is provided with than bigger two first through holes of said guide pillar external dimensions and two second through holes more bigger than the bar portion external dimensions of said fixed slip bar; By this two first through hole; Said patrix can slide on two guide pillars, and the internal diameter of said second through hole external dimensions than the head of said fixed slip bar again is little; The bar subordinate of said fixed slip bar holds after the second through hole upper surface of said patrix penetrates and is fixed on the said patrix sliding seat; Be respectively equipped with the two place's through holes that supply two pressing die head lower ends to pass through on the said patrix sliding seat; Two pressing die head upper end is separately fixed on the bottom surface of said patrix, and its lower end passes from the two through hole of said patrix sliding seat respectively; Two patrixes compression spring is enclosed within respectively on said two pressing die head, and between said patrix sliding seat and patrix.
For long service life; Said special fixture also comprises two copper sheathings that anti-wear performance is good; Respectively this copper sheathing is respectively equipped with than the bigger through hole of said guide pillar external dimensions, and the internal diameter of this through hole external diameter than said mould bases spring again is little, and two copper sheathings are separately fixed in two first through holes of said patrix; By the through hole of two copper sheathings, said patrix can slide on two guide pillars.
In order to prevent to run out of after said patrix from moving upward, said special fixture also comprises two link stoppers, and the area of this link stopper bottom surface is bigger than the area of first through hole of said patrix; After said guide pillar passed from the through hole of first through hole of said patrix or said copper sheathing, its upper surface and said link stopper were fixed.
For easy to operate, said brush cover positioning strip one end is provided with the handle that is used for taking out this brush cover positioning strip.
For more convenient operation, said brush cover positioning strip other end bottom surface is provided with breach.
The bar subordinate end of said fixed slip bar is provided with external screw thread; Said patrix sliding seat is provided with the two suitable place's screwed holes of external screw thread with this bar subordinate end; By the external screw thread of the bar subordinate of said fixed slip bar end, two screwed holes and the nut of said patrix sliding seat, said patrix sliding seat just is fixed on the lower end of the bar portion of said fixed slip bar.
For easy for installation, the head upper surface of said fixed slip bar supplies hexagonal head wrench to embed the interior hexagonal blind hole of pulling toward having.
Compare with prior art, the utility model is the beneficial effect that the brush cover is fixed to the special fixture on the brush plate:
Can use pneumatic or electrical equipment, can once the brush cover be fixed on the brush plate, and the application of force is relatively more even, the direction calibration, makes brush plate be not easy distortion, has guaranteed assembly quality, processing safety and efficient have also all improved.
[
Description of drawings]
Fig. 1 is that the utility model is fixed to the special fixture on the brush plate with the brush cover, and together with the brush cover 120 to be assembled and the axonometric projection sketch map of brush plate 110, figure center brush cover 120 also is not fixed on the brush plate 110;
Fig. 2 is the other direction axonometric projection sketch map of said special fixture;
Fig. 3 is the decomposing state axonometric projection sketch map of said special fixture;
Fig. 4 is the axonometric projection sketch map of the brush cover positioning strip 600 of said special fixture;
Fig. 5 is the axonometric projection sketch map of the brush cover 120 of said micromachine.
[embodiment]
Below in conjunction with each accompanying drawing the utility model is done further explain.
Referring to Fig. 1 to Fig. 5, a kind of the brush cover is fixed to the special fixture on the brush plate, comprise the patrix 200 and counterdie 300 that are provided with connector 210; Said special fixture also comprises the base 400 that is fixed on the said counterdie 300, be fixed on two guide pillars 500 on the said counterdie 300, brush cover positioning strip 600, be enclosed within two mould bases springs 550 on two guide pillars 500, patrix sliding seat 700, two patrix compression springs 750, two fixed slip bars 780 and two pressing die head 800 respectively; Said base 400 upper bottom surfaces are toward having an elongated slot 410, with and upper bottom surface be provided with the two place alignment pin 420 adaptive with the two through hole of brush plate 110 111; The width W of said brush cover positioning strip 600
2Be slightly less than said brush and overlap 120 inner width W
1, its height H
2Be equal to or slightly less than said brush and overlap 120 internal height H
1, two brushes cover 120 overlaps the elongated slot 410 that can put into said base 400 after positioning strip 600 bottom surfaces are inserted in together from said brush, and the upper bottom surface of putting into back said brush cover positioning strip 600 is concordant or lower slightly with said base 400 upper bottom surfaces; Said fixed slip bar 780 comprises head 781 and the bar portion 782 littler than these head 781 external dimensions; Said patrix 200 also is provided with than bigger two first through holes 220 of said guide pillar 500 external dimensions and two second through holes 230 more bigger than bar portion 782 external dimensions of said fixed slip bar 780; By this two first through hole 220; Said patrix 200 can slide on two guide pillars 500, and the internal diameter of said second through hole 230 external dimensions than the head 781 of said fixed slip bar 780 again is little; Bar portion 782 lower ends of said fixed slip bar 780 are fixed on the said patrix sliding seat 700 after second through hole, 230 upper surfaces of said patrix 200 penetrate; Be respectively equipped with the two place's through holes 705 that supply two pressing die head, 800 lower ends to pass through on the said patrix sliding seat 700; Two pressing die head, 800 upper ends are separately fixed on the bottom surface of said patrix 200, and its lower end passes from the two through hole 705 of said patrix sliding seat 700 respectively; Two patrixes compression spring 750 is enclosed within respectively on said two pressing die head 800, and between said patrix sliding seat 700 and patrix 200.The head 781 of the fixed slip bar 780 among Fig. 3 all is cylindrical with bar portion 782, so these head 781 external dimensions just are meant this head 781 overall diameters, and these bar portion 782 external dimensions just are meant this bar portion 782 overall diameters; Certainly the head 781 of fixed slip bar 780 also can be other shape with bar portion 782.Guide pillar 500 among Fig. 3 also is cylindrical, so these guide pillar 500 external dimensions just are meant this guide pillar 500 overall diameters; Certainly guide pillar 500 also can be other shape.
Referring to Fig. 1 to Fig. 5; During work; Earlier two brushes cover 120 is inserted in from said brush cover positioning strip 600 bottom surfaces; Again each lug 125 on the two brushes cover 120 is inserted into respectively in each corresponding on the said brush plate 110 through hole 115, then said brush cover positioning strip 600 and two brushes cover 120 is put into the elongated slot 410 of said base 400 together, and two place's alignment pin 420 on said base 400 upper bottom surfaces are inserted respectively in the two through hole 111 of said brush plate 110; Under external force; Said patrix 200 moves downward along said two guide pillars 500; Contact earlier each lug 125 on the said two brushes cover 120 with the said patrix sliding seat 700 that said patrix 200 flexibly connects; And make each lug 125 certain angle that all curves inwardly, and said patrix 200 continues to move down, and said patrix sliding seat 700 is motionless or move down slightly; Be fixed on that the bottom surface passes under two pressing die head 800 on the said patrix 200 this moment from the two through hole 705 of said patrix sliding seat 700; And put forth effort on each lug 125 of said two brushes cover 120, each lug 125 all to be flattened on said brush plate 110, said two brushes cover 120 is fixed on the said brush plate 110.
Referring to Fig. 3; For long service life, said special fixture also comprises two copper sheathings 910 that anti-wear performance is good, and respectively this copper sheathing 910 is respectively equipped with than the bigger through hole 912 of said guide pillar 500 external dimensions; The internal diameter of this through hole 912 external diameter than said mould bases spring 550 again is little; Two copper sheathings 900 are separately fixed in two first through holes 220 of said patrix 200, and by the through hole 912 of two copper sheathings 900, said patrix 200 can slide on two guide pillars 500.
Referring to Fig. 1 and Fig. 3, in order to prevent to run out of after said patrix 200 from moving upward, said special fixture also comprises two link stoppers 920, and the area of these link stopper 920 bottom surfaces is bigger than the area of first through hole 220 of said patrix 200; After said guide pillar 500 passed from the through hole 912 of first through hole 220 of said patrix 200 or said copper sheathing 910, its upper surface and said link stopper 920 were fixing.
Referring to Fig. 1 to Fig. 4, for easy to operate, said brush cover positioning strip 600 1 ends are provided with the handle 610 that is used for taking out this brush cover positioning strip 600.
Referring to Fig. 3 and Fig. 4, for more convenient operation, said brush cover positioning strip 600 other end bottom surfaces are provided with breach 620.
Referring to Fig. 3; Bar portion 782 lower ends of said fixed slip bar 780 are provided with external screw thread; Said patrix sliding seat 700 is provided with the two place screwed holes 709 suitable with the external screw thread of these bar portion 782 lower ends; By the external screw thread of bar portion 782 lower ends of said fixed slip bar 780, two screwed holes 709 and the nut 790 of said patrix sliding seat 700, said patrix sliding seat 700 just is fixed on the lower end of the bar portion 782 of said fixed slip bar 780.
Referring to Fig. 3, for easy for installation, head 781 upper surfaces of said fixed slip bar 780 supply hexagonal head wrench to embed the interior hexagonal blind hole of pulling 7811 toward having.
Referring to Fig. 1 to Fig. 5, describe below and use the utility model special fixture that the brush cover is fixed to the step on the brush plate:
One, be installed in the utility model special fixture pneumatic or electrical equipment on:
1. the connector 210 with said patrix 200 is fixed on pneumatic or electrical equipment;
2. said counterdie 300 is fixed on the workbench of this pneumatic or electrical equipment;
Two, assembling:
1. two brushes cover 120 is inserted in from said brush cover positioning strip 600 bottom surfaces;
2. again each lug 125 on the two brushes cover 120 is inserted into respectively in each corresponding on the said brush plate 110 through hole 115;
3. then said brush cover positioning strip 600 and two brushes cover 120 are put into the elongated slot 410 of said base 400 together, and two place's alignment pin 420 on said base 400 upper bottom surfaces are inserted respectively in the two through hole 111 of said brush plate 110;
4. operate said pneumatic or electrical equipment; Making it to carry said patrix 200 moves downward along said two guide pillars 500; Contact earlier said two brushes with said patrix sliding seat 700 that said patrix 200 flexibly connects and overlap each lug 125 on 120, and make each lug 125 certain angle that all curves inwardly, generally curve inwardly about 120 °; Said patrix 200 continues to move down; Said patrix sliding seat 700 is motionless or move down slightly, is fixed on that the bottom surface passes from the two through hole 705 of said patrix sliding seat 700 under two pressing die head 800 on the said patrix 200 this moment, and puts forth effort on each lug 125 of said two brushes cover 120; Each lug 125 is all flattened on said brush plate 110, and be fixed to said two brushes cover 120 on the said brush plate 110 this moment;
5. operate said pneumatic or electrical equipment, make said pneumatic or electrical equipment carry said patrix 200 and move upward, take out the brush plate 110 and brush cover 120 that have assembled.
The above embodiment has only expressed the preferred implementation of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim; Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model; Therefore, all equivalents and modifications of being done with the utility model claim scope all should belong to the covering scope of the utility model claim.