CN202752277U - Dust-extraction device of inner hole of ring-shaped magnetic body - Google Patents
Dust-extraction device of inner hole of ring-shaped magnetic body Download PDFInfo
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- CN202752277U CN202752277U CN 201220348445 CN201220348445U CN202752277U CN 202752277 U CN202752277 U CN 202752277U CN 201220348445 CN201220348445 CN 201220348445 CN 201220348445 U CN201220348445 U CN 201220348445U CN 202752277 U CN202752277 U CN 202752277U
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Abstract
The utility model relates to a dust-extraction device of an inner hole of a ring-shaped magnetic body. A base assembly which acts as a whole machine is arranged on a platform, a guide rail support of a clamping assembly is fixed with the bottom face of a big bottom plate of the base assembly, a clamping air cylinder is horizontally fixed on the guide rail support, a positioning assembly is used for clamping and positioning the ring-shaped magnetic body, a vertical pillar of a brush movement assembly is arranged on the big bottom plate, and a cylindrical guide rail is arranged on the guide rail support. A top plate, a lifting sliding block and a motor installation plate are sequentially sleeved on the cylindrical guide rail from top to bottom, the rear end of the top plate is connected with a connection sleeve of a piston rod, inner threads of the connection sleeve of the piston rod are connected with threads of the end portion of a piston rod of an air cylinder, and a speed adjusting motor is arranged at the front end of the motor installation plate. A shaft of the speed adjusting motor is connected with a connection sleeve of a brush, and a control circuit of electrical equipment comprises a programmable logic controller (PLC). The dust-extraction device of the inner hole of the ring-shaped magnetic body can move up and down by rotating of the brush, wipe off dust and sundries out of the inner hole of the ring-shaped magnetic body, and can achieve aims that craft is simplified, cost is reduced, and cleaning effect of a product is improved.
Description
Technical field
The utility model relates to the loudspeaker tooling device, and particularly a kind of toroidal coils endoporus dust arrester installs the operation that is used for loudspeaker toroidal coils assembling process cleaning magnet endoporus dust and foreign material.
Background technology
The dedusting of toroidal coils endoporus is a ring important in the magnetic circuit of loudspeaker element assembling process, the height of its clean-up performance, directly affect pure tone and the acoustical behavior of loudspeaker, at present, the operation of cleaning magnet endoporus mainly relies on manual type to finish, normally the magnet endoporus is cleaned with rag or hairbrush by the workman, need expend so a large amount of manually, cleaning effect is also not satisfactory, can cause secondary pollution, not only production efficiency is low, and the quality of product can not be guaranteed.
Therefore, be necessary the automatic dust removing apparatus by technological transformation, a kind of machinery of exploitation and electronics combination, replace artificial with machinery, thoroughly change the present situation of existing magnet endoporus cleaning process, overcome the deficiency that prior art exists, and having no the correlation technique report in the domestic literature at present, colleague manufacturer also not yet has this equipment to use.
Summary of the invention
The purpose of this utility model is exactly for overcoming the deficiencies in the prior art, for the deficiency that exists in the existing magnet endoporus cleaning process, a kind of novel machinery and the toroidal coils endoporus dust arrester design of electronics combination are provided, replace manual type with machinery, by adopting rotating brushes to move up and down, remove dust and the foreign material of toroidal coils endoporus, and below toroidal coils, adopt the vacuum absorption device, in the hope of reaching product processes is simplified, reduce cost of labor, improve the purpose of product cleaning effect.
The utility model is to realize by such technical scheme: toroidal coils endoporus dust arrester, consisted of by frame for movement part and control section, it is characterized in that, frame for movement partly comprises base assembly, clamp assembly, positioning component, holds down assembly and hairbrush motion assembly, and control section comprises electric appliance control box;
Described base assembly comprises platform support as the mounting platform of complete machine, is fixed with large base plate on the platform support, and large base plate is that rectangular plate is made, and is processed with circular hole and slotted hole on the rectangular plate;
Above the large base plate backing plate is installed also, backing plate is discoid, disc centre is processed with open-work, the backing plate central bore is corresponding with the center of circular hole position on the large base plate, the aperture is identical, and on the position below circular hole, pipe connector is fixedly connected with large base plate, the internal diameter suitable for reading of pipe connector is identical with the circular hole aperture on the large base plate, and the lower nozzle of pipe connector is used for connecting vacuum hose;
Described clamp assembly mainly is comprised of clamping cylinder, air cylinder support, rail brackets, guide rail, slide block, pin, joint, cushion block A, clamp and fastening strip; Clamp assembly is installed in the bottom surface of slotted hole one side on the large base plate, and its position is below slotted hole; Wherein, rail brackets is fixed with the bottom surface of large base plate, and clamping cylinder is horizontally fixed on the rail brackets, and the piston rod of clamping cylinder is towards the open-work center line of large base plate, circle hole centreline on the shaft centre line of piston rod and the large base plate is vertical crossing mutually, and the front end of piston rod is screw rod;
Rail brackets is fixedly mounted on the bottom surface of large base plate, and its position is between pipe connector and air cylinder support;
Rail brackets is comprised of former and later two rectangle frame plates, fixes two guide rails between former and later two rectangle frame plates, and two rectangle frame plates and two guide rails of rail brackets consist of frame shape, assemble slide block on two guide rails;
Slide block is the rectangular metal piece, its left and right sides processing chute, and chute and two guide rails are slidingly matched, and embedding is crouched on two guide rails;
The rear end of slide block is processed with the groove platform, and groove platform center is processed with open-work, fitting joint on the groove platform;
The front end of joint is prong like, prong like has up and down two parallel connecting plates, be processed with respectively open-work on two connecting plates, the diameter of open-work is identical with the diameter of groove platform central bore, two connecting plate embeddings of prong like are sleeping to be assemblied on the groove platform, cooperate by pin and open-work, joint and groove platform are flexibly connected;
The horizontal processing screw hole in the rear end of joint is connected joint by the rear end screw of joint, the screw thread of piston rod front end with piston rod, then pass through nut-locking;
The width of the slotted hole on the fixing cushion block A on the upper plane of slide block, the thickness of cushion block A and large base plate is identical, and slotted hole is passed on the top of cushion block A, extends on the large base plate on the plane, and both are slidingly matched;
Cushion block A is take slotted hole as pilot hole and stroke limit; Fix to clamp piece on the cushion block A, fix to clamp bar on the clamp;
Described positioning component is used for toroidal coils to be cleaned is clamped, locates, and positioning component mainly is comprised of V-type locating piece, adjustment plate, guide pad and cushion block B; The V-type locating piece is installed in the end of adjusting plate, adjusts on the plate and is processed with positioning trough, and there is respectively a guide pad both sides of adjusting plate, and guide pad is installed on the cushion block B, and the plane is fixed on cushion block B and the large base plate;
Adjust assembling bolt in the positioning trough on the plate, the end of bolt is spun in the screw on the large base plate, and the locking positioning bolt makes to be adjusted plate and fix;
Adjust plate take the guide pad of both sides as guiding, make with the horizontal-extending line at the V-type deployment opening center of adjusting the V-type locating piece that plate is connected and large base plate on mutual vertical the crossing of circle hole centreline;
Described holding down assembly mainly is comprised of nylon briquetting, Y type toggle link, hinged splice, toggle link bearing pin, upper bracket, lower carriage, clamping cylinder and cylinder bearing pin;
Upper bracket, lower carriage are separately fixed at the upper and lower faces of large base plate;
Upper bracket is comprised of two frame plates, the upper end of two frame plates is processed with axis hole, connects Y type toggle link by the toggle link bearing pin, and Y type toggle link comprises fulcrum arm and clamping arm, fulcrum arm one end is processed with the fulcrum pin-and-hole, and the toggle link bearing pin is movably connected in the toggle link bearing pin on the upper bracket by the fulcrum pin-and-hole;
Two support arms about clamping arm one end is divided into, the nylon briquetting is installed in respectively the end of two support arms;
Be processed with the joint pin-and-hole between fulcrum arm and the clamping arm;
Hinged splice is movably connected on the joint pin-and-hole of Y type toggle link by the joint bearing pin;
Hinged splice is connected with the screw threads for fastening of the piston rod front end of clamping cylinder by its lower end internal thread;
The lower end of two frame plates of lower carriage is processed with axis hole, by the cylinder bearing pin with the fixed pin holes pin joint of itself and clamping cylinder bottom together, thus the support compression cylinder;
Described hairbrush motion assembly mainly is comprised of column, rail brackets, cylindrical guide, lifting slider, motor mounting plate, top board, buncher, hairbrush adapter sleeve, hairbrush, cylinder and cylinder mounting plate;
Column is installed on the large base plate, rail brackets comprises upper and lower two supporting plates, they are separately fixed at top and the middle part of column, a cylindrical guide is installed on the rail brackets, on the cylinder of cylindrical guide from top to bottom, be set with successively top board, lifting slider and motor mounting plate, the part of the part of top board, lifting slider and motor mounting plate is connected and fixed.
Extension, rear end and the piston rod adapter sleeve of top board join, and connect the screw thread of the piston rod end of cylinder by the internal thread of piston rod adapter sleeve;
The motor mounting plate front end is installed buncher on the extension; The buncher axle head is connected with the hairbrush adapter sleeve, and hairbrush is fixed in the hairbrush adapter sleeve;
Electric appliance control box is installed on the large base plate, and electrical apparatus control circuit comprises the PLC controller, and the PLC controller is the FXOS-10MR of Mitsubishi.
The backing plate that large base plate is installed above adopts nylon material to make the saturating bore dia of backing plate disc centre＞=35 ㎜.
Fixing fastening strip adopts nylon material to make on the clamp.
The beneficial effects of the utility model: the toroidal coils endoporus dust arrester design of machinery and electronics combination, replace manual type with machinery, by adopting rotating brushes to move up and down, remove dust and the foreign material of toroidal coils endoporus, and below toroidal coils, adopt the vacuum absorption device, in the hope of reaching product processes is simplified, reduce cost of labor, improve the purpose of product cleaning effect.
Description of drawings
Fig. 1, toroidal coils endoporus dust arrester front view;
Fig. 2, toroidal coils endoporus dust arrester top view;
Fig. 3, toroidal coils endoporus dust arrester left side view;
Fig. 4, toroidal coils endoporus dust arrester A are to view;
Fig. 5, toroidal coils endoporus dust arrester B are to view;
Fig. 6, toroidal coils endoporus dust arrester C-C are to view;
Fig. 7, toggle link figure front view;
Fig. 8, toggle link figure top view;
Fig. 9, electric control schematic diagram.
Among the figure: 1. base assembly, 2. clamp assembly, 3. positioning component 4. holds down assembly, 5. hairbrush motion assembly, 6. electric appliance control box.
11. large base plate, 12. backing plates, 13. pipe connectors, 111. circular holes, 112. slotted holes;
21. clamping cylinder, 22. air cylinder supports, 23. rail bracketses, 24. guide rails, 25. slide blocks, 26. pins, 27. joints, 28. cushion block A, 29. clamps, 210. fastening strips, 211. piston rods;
31.V the type locating piece, 32, adjust plate, 33. guide pads, 34. cushion block B;
41. the nylon briquetting, 42.Y type toggle link, 43. hinged splice, 44. toggle link bearing pins, 45. upper brackets, 46. lower carriages, 47. clamping cylinders, 44. cylinder bearing pins;
51. column, 52. rail bracketses, 53. cylindrical guides, 54. lifting sliders, 55. motor mounting plates, 5.6 top boards, 57. bunchers, 58. hairbrush adapter sleeves, 59. hairbrush, 510. cylinders, 511. cylinder mounting plates;
6. electric appliance control box.
The specific embodiment
[0013] understand the utility model for clearer, describe in conjunction with the accompanying drawings and embodiments the utility model in detail:
Such as Fig. 1 to the embodiment shown in Figure 9, toroidal coils endoporus dust arrester, be made of frame for movement part and control section, it is characterized in that, frame for movement partly comprises base assembly 1, clamp assembly 2, positioning component 3, hold down assembly 4 and hairbrush motion assembly 5; Control section comprises electric appliance control box 6;
Backing plate 12(backing plate 12 also is installed above the large base plate 11 adopts nylon material), backing plate 12 is discoid, disc centre is processed with open-work, (thoroughly bore dia＞=35 ㎜), backing plate 12 central bore are corresponding with circular hole 111 centers on the large base plate 11, and the aperture is identical, on the position below circular hole 111, pipe connector 13 is fixedly connected with large base plate 11, and the internal diameter suitable for reading of pipe connector 13 is identical with circular hole 111 apertures on the large base plate 11, and the lower nozzle of pipe connector 13 is used for connecting vacuum hose;
The rear end of slide block 25 is processed with groove platform 251, and groove platform 251 centers are processed with open-work, and fitting joint 27 on the platform 251;
The front end of joint 27 is prong like, prong like has up and down two parallel connecting plates, be processed with respectively open-work on two connecting plates, the diameter of open-work is identical with the diameter of groove platform 251 central bore, two connecting plate embeddings of prong like are sleeping to be assemblied on the groove platform 251, cooperate by pin 26 and open-work, joint 27 and groove platform 251 are flexibly connected;
The horizontal processing screw hole in the rear end of joint 27 is connected joint 27 by the rear end screw of joint 27, the screw thread of piston rod 211 front ends with piston rod 211, then pass through nut-locking;
The width of the slotted hole 112 on the fixing cushion block A28 on the upper plane of slide block 25, the thickness of cushion block A28 and large base plate 11 is identical, and slotted hole 112 is passed on the top of cushion block A28, extends on the large base plate 11 on the plane, and both are slidingly matched;
When slide block 25 moved horizontally along two guide rails 24 under the drive of clamping cylinder 21, cushion block A28 was thereupon mobile, and cushion block A28 is take slotted hole 112 as pilot hole with stroke limit;
Fix to clamp piece 29 on the cushion block A28, fix to clamp bar 210 on the clamp 29, (fastening strip 210 adopts nylon material to make), cushion block A28;
Adjust the positioning trough 321 interior assembling bolts on the plate 32, the end of bolt is spun in the screw on the large base plate 11, and the locking positioning bolt makes that to adjust plate 32 fixing;
Adjust plate 32 take the guide pad 33 of both sides for guiding, make with the horizontal-extending line at the V-type deployment opening center of adjusting the V-type locating piece 31 that plate 32 is connected and large base plate 11 on mutual vertical the crossing of circular hole 111 center lines;
Hold down assembly and 4 mainly formed by nylon briquetting 41, Y type toggle link 42, hinged splice 43, toggle link bearing pin 44, upper bracket 45, lower carriage 46, clamping cylinder 47 and cylinder bearing pin 44;
Two support arms about clamping arm one end is divided into, nylon briquetting 41 is installed in respectively the end of two support arms;
Be processed with joint pin-and-hole 422 between fulcrum arm and the clamping arm;
Hinged splice is movably connected on the joint pin-and-hole 422 of Y type toggle link 42 by joint bearing pin 431;
Hinged splice 43 is connected with the screw threads for fastening of the piston rod front end of clamping cylinder 47 by its lower end internal thread;
The lower end of 46 two frame plates of lower carriage is processed with axis hole, by cylinder bearing pin 44 with the fixed pin holes pin joint of itself and clamping cylinder 47 bottoms together, thus support compression cylinder 47;
When hinged splice 43 when the drive of clamping cylinder 47 moves up, Y type toggle link 42 is take toggle link bearing pin 44 as axial upper the rotation, clamping arm connects nylon briquetting 41 1 ends and moves up, away from toroidal coils to be cleaned;
When hinged splice 43 when the drive of clamping cylinder 47 moves down, Y type toggle link 42 is take toggle link bearing pin 44 as axial lower the rotation, clamping arm connects nylon briquetting 41 1 ends and moves down, and compresses toroidal coils to be cleaned;
Column 51 is installed on the large base plate 11, rail brackets 52 comprises upper and lower two supporting plates, they are separately fixed at top and the middle part of column 51, a cylindrical guide 53 is installed on the rail brackets 52, on the cylinder of cylindrical guide 53 from top to bottom, be set with successively top board 56, lifting slider 54 and motor mounting plate 55, the part of the part of top board 56, lifting slider 54 and motor mounting plate 55 is connected and fixed; ,
Extension, rear end and the piston rod adapter sleeve 512 of top board 56 join, and connect the screw thread of the piston rod end of cylinder 510 by the internal thread of adapter sleeve 512;
When the piston rod of cylinder 510 moves up and down, top board 56, lifting slider 54 and motor mounting plate 55 rise thereupon and descend, thereby the hairbrush 59 that drives buncher 57 and rotation rises and descends, the hairbrush 59 of rotation stretches into the toroidal coils endoporus and cleans, simultaneously, the lower nozzle of pipe connector 13 connects the dust suction pump by vacuum hose, and dust is siphoned away.
Electric appliance control box 6 is installed on the large base plate 11, and electrical apparatus control circuit comprises the PLC controller, and the PLC controller is the FXOS-10MR of Mitsubishi, moves by PLC controller control device.
According to the above description, can realize scheme of the present utility model in conjunction with art technology.
Claims (3)
1. toroidal coils endoporus dust arrester is made of frame for movement part and control section, it is characterized in that frame for movement partly comprises base assembly (1), clamp assembly (2), positioning component (3), holds down assembly (4) and hairbrush motion assembly (5); Control section comprises electric appliance control box (6); Described base assembly (1) comprises platform support (14) as the mounting platform of complete machine, is fixed with large base plate (11) on the platform support (14), and large base plate (11) is made for rectangular plate, is processed with circular hole (111) and slotted hole (112) on the rectangular plate; Above the large base plate (11) backing plate (12) is installed also, backing plate (12) is discoid, disc centre is processed with open-work, backing plate (12) central bore is corresponding with circular hole (111) center on the large base plate (11), the aperture is identical, on the position below circular hole (111), pipe connector (13) is fixedly connected with large base plate (11), the internal diameter suitable for reading of pipe connector (13) is identical with circular hole (111) aperture on the large base plate (11), and the lower nozzle of pipe connector (13) is used for connecting vacuum hose; Described clamp assembly (2) is mainly by clamping cylinder (21), air cylinder support (22), rail brackets (23), guide rail (24), slide block (25), pin (26), joint (27), cushion block A(28), clamp (29) and fastening strip (210) form; Clamp assembly (2) is installed in the bottom surface of slotted hole (112) one sides on the large base plate (11), and its position is in the below of slotted hole (112); Wherein, rail brackets (23) is fixed with the bottom surface of large base plate (11), clamping cylinder (21) is horizontally fixed on the rail brackets (23), the piston rod (211) of clamping cylinder (21) is towards the open-work center line of large base plate (11), circular hole (111) center line on the shaft centre line of piston rod (211) and the large base plate (11) is vertical crossing mutually, and the front end of piston rod (211) is screw rod; Rail brackets (23) is fixedly mounted on the bottom surface of large base plate (11), and its position is between pipe connector (13) and air cylinder support (22); Rail brackets (23) is comprised of former and later two rectangle frame plates, between former and later two rectangle frame plates, fix two guide rails (24), two rectangle frame plates of rail brackets (23) and two guide rails (24) consist of frame shape, the upper assembling of two guide rails (24) slide block (25); Slide block (25) is the rectangular metal piece, its left and right sides processing chute, and chute and two guide rails (24) are slidingly matched, and embedding is crouched on two guide rails (24); The rear end of slide block (25) is processed with groove platform (251), and groove platform (251) center is processed with open-work, the upper fitting joint (27) of groove platform (251); The front end of joint (27) is prong like, prong like has up and down two parallel connecting plates, be processed with respectively open-work on two connecting plates, the diameter of open-work is identical with the diameter of groove platform (251) central bore, two connecting plate embeddings of prong like are sleeping to be assemblied on the groove platform (251), cooperate by pin (26) and open-work, joint (27) and groove platform (251) are flexibly connected; The horizontal processing screw hole in rear end of joint (27) is connected joint (27) by the rear end screw of joint (27), the screw thread of piston rod (211) front end with piston rod (211), then pass through nut-locking; Fixing cushion block A(28 on the upper plane of slide block (25)), the width of the slotted hole (112) on thickness cushion block A(28) and the large base plate (11) is identical, cushion block A(28) slotted hole (112) is passed on top, extends on the upper plane of large base plate (11), and both are slidingly matched; Cushion block A(28) take slotted hole (112) as pilot hole and stroke limit; Cushion block A(28) fixes to clamp piece (29) on, fix to clamp bar (210) on the clamp (29); Described positioning component (3) is used for toroidal coils to be cleaned is clamped, locates, and positioning component (3) is mainly by V-type locating piece (31), adjustment plate (32), guide pad (33) and cushion block B(34) form; V-type locating piece (31) is installed in the end of adjusting plate (32), adjust on the plate (32) and be processed with positioning trough (321), there is respectively a guide pad (33) both sides of adjusting plate (32), guide pad (33) is installed in cushion block B(34) on, cushion block B(34) fix with the upper plane of large base plate (11); Adjust assembling bolt in the positioning trough (321) on the plate (32), the end of bolt is spun in the screw on the large base plate (11), and the locking positioning bolt makes that to adjust plate (32) fixing; Adjust plate (32) take the guide pad (33) of both sides for guiding, make with the horizontal-extending line at the V-type deployment opening center of adjusting the V-type locating piece (31) that plate (32) is connected and large base plate (11) on mutual vertical the crossing of circular hole (111) center line; Described holding down assembly (4) mainly is comprised of nylon briquetting (41), Y type toggle link (42), hinged splice (43), toggle link bearing pin (44), upper bracket (45), lower carriage (46), clamping cylinder (47) and cylinder bearing pin (44); Upper bracket (45), lower carriage (46) are separately fixed at the upper and lower faces of large base plate (11); Upper bracket (45) is comprised of two frame plates, the upper end of two frame plates is processed with axis hole, connect Y type toggle link (42) by toggle link bearing pin (44), Y type toggle link (42) comprises fulcrum arm and clamping arm, fulcrum arm one end is processed with fulcrum pin-and-hole (421), and toggle link bearing pin (44) is movably connected in toggle link bearing pin (44) on the upper bracket (45) by fulcrum pin-and-hole (421); Two support arms about clamping arm one end is divided into, nylon briquetting (41) is installed in respectively the end of two support arms; Be processed with joint pin-and-hole (422) between fulcrum arm and the clamping arm; Hinged splice is movably connected on the joint pin-and-hole (422) of Y type toggle link (42) by joint bearing pin (431); Hinged splice (43) is connected with the screw threads for fastening of the piston rod front end of clamping cylinder (47) by its lower end internal thread; The lower end of (46) two frame plates of lower carriage is processed with axis hole, by cylinder bearing pin (44) with the fixed pin holes pin joint of itself and clamping cylinder (47) bottom together, thus support compression cylinder (47); When hinged splice (43) when the drive of clamping cylinder (47) moves up, Y type toggle link (42) is take toggle link bearing pin (44) as axial upper the rotation, clamping arm connects nylon briquetting (41) one ends and moves up, away from toroidal coils to be cleaned; Described hairbrush motion assembly (5) mainly is comprised of column (51), rail brackets (52), cylindrical guide (53), lifting slider (54), motor mounting plate (55), top board (56), buncher (57), hairbrush adapter sleeve (58), hairbrush (59), cylinder (510) and cylinder mounting plate (511); Column (51) is installed on the large base plate (11), rail brackets (52) comprises upper and lower two supporting plates, they are separately fixed at top and the middle part of column (51), a cylindrical guide (53) is installed on the rail brackets (52), on the cylinder of cylindrical guide (53) from top to bottom, be set with successively top board (56), lifting slider (54) and motor mounting plate (55), the part of the part of top board (56), lifting slider (54) and motor mounting plate (55) is connected and fixed; The extension, rear end of top board (56) and piston rod adapter sleeve (512) join, and connect the screw thread of the piston rod end of cylinder (510) by the internal thread of piston rod adapter sleeve (512); Motor mounting plate (55) is installed buncher (57) on the front end extension; Buncher (57) axle head is connected with hairbrush adapter sleeve (58), and hairbrush (59) is fixed in the hairbrush adapter sleeve (58); Electric appliance control box (6) is installed on the large base plate (11), and electrical apparatus control circuit comprises the PLC controller, and the PLC controller is the FXOS-10MR of Mitsubishi.
2. toroidal coils endoporus dust arrester as claimed in claim 1 is characterized in that, the backing plate (12) that large base plate (11) is installed above adopts nylon material to make the saturating bore dia of backing plate (12) disc centre＞=35 ㎜.
3. toroidal coils endoporus dust arrester as claimed in claim 1 is characterized in that, the upper fixing fastening strip (210) of clamp (29) adopts nylon material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348445 CN202752277U (en) | 2012-07-18 | 2012-07-18 | Dust-extraction device of inner hole of ring-shaped magnetic body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348445 CN202752277U (en) | 2012-07-18 | 2012-07-18 | Dust-extraction device of inner hole of ring-shaped magnetic body |
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| Publication Number | Publication Date |
|---|---|
| CN202752277U true CN202752277U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220348445 Expired - Fee Related CN202752277U (en) | 2012-07-18 | 2012-07-18 | Dust-extraction device of inner hole of ring-shaped magnetic body |
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| CN104174603B (en) * | 2014-09-03 | 2016-03-02 | 天津中环真美声学技术有限公司 | A kind of toroidal magnet cleaning device and method |
| CN104174603A (en) * | 2014-09-03 | 2014-12-03 | 天津中环真美声学技术有限公司 | Annular magnet cleaning device and method |
| CN104438222A (en) * | 2014-11-29 | 2015-03-25 | 陈磊 | Automatic magnetic steel laser cleaning system |
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