CN114334436B - Ring rolling machine for magnetic core preparation - Google Patents
Ring rolling machine for magnetic core preparation Download PDFInfo
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- CN114334436B CN114334436B CN202111391317.9A CN202111391317A CN114334436B CN 114334436 B CN114334436 B CN 114334436B CN 202111391317 A CN202111391317 A CN 202111391317A CN 114334436 B CN114334436 B CN 114334436B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000005096 rolling process Methods 0.000 title claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Abstract
The invention discloses a ring rolling machine for magnetic core preparation, which comprises a bottom plate, a winding ring and a magnetic core body, wherein the top of the bottom plate is fixedly connected with a manufacturing table, the surface of the manufacturing table is provided with a rotating groove penetrating to the rear part, and both sides of an inner cavity of the rotating groove are provided with placing grooves. This magnetic core preparation is with rolling up ring machine drives dwang and first bevel gear through using first motor and rotates, then under the linkage of second bevel gear and driven lever and third bevel gear, drive about two gears syntropy and rotate with same speed, because the effect of tooth makes the winding ring can rotate around the magnetic core body, twine the coil on montant surface at the surface of magnetic core body, this setting can drive the winding ring through the effect of first motor and twine the work to the magnetic core body, compare production efficiency in artifical rolling has improved, staff's amount of labour has been reduced, simultaneously the cost of labor has been saved.
Description
Technical Field
The invention relates to the technical field of magnetic core preparation, in particular to a ring rolling machine for magnetic core preparation.
Background
As is well known, a magnetic core winding machine for manufacturing a voltage transformer is a winding device for closing a magnetic core, which is widely used in the field of winding equipment, and most of the current magnetic core is manually wound when being wound, so that the efficiency is extremely low, the production of manufacturers is affected, and meanwhile, most of coils wound by each magnetic core are carried out through the feeling of workers, so that the lengths of coils wound by each magnetic core are different, and the quality of products is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a winding machine for magnetic core preparation, which solves the problems that the production is influenced due to too low efficiency of the current magnetic core winding coil by manual operation and the manual winding quality is different.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a magnetic core preparation is with book ring machine, includes bottom plate, winding ring and magnetic core body, the top fixedly connected with preparation platform of bottom plate, the surface of preparation platform has been seted up and has been run through to the rotary tank of rear portion, the standing groove has all been seted up to the both sides of rotary tank inner chamber, and the winding ring is located the inboard of rotary tank, annular sliding groove has been seted up in the outside on winding ring right side, the upper portion on winding tank inner chamber right side and the equal fixedly connected with of lower part limit slide bar that cooperatees the use with annular sliding groove, and the one end of limit slide bar extends to the inboard of annular sliding groove, the installing port has been seted up on the surface of winding ring, the inboard upper portion of installing port has the arc frame through seting up opening activity grafting, the slot has been seted up to the inboard of installing port, and the bottom of arc frame extends to the inboard of slot, the equal fixedly connected with of arc frame extends to the magnetic block that mutually support's inboard one end and slot inner chamber, the inner chamber fixedly connected with of arc frame just is located the inner chamber fixedly connected with first spring of winding ring, the surface of arc frame and winding ring and the inner chamber of winding ring and the fixed connection piece that is located the winding ring and the outside of winding ring that cooperatees that the winding ring has the winding plate to extend to the winding ring.
Preferably, the upside and the downside at the inboard rear portion of winding ring are all fixedly connected with mount pad, the surface of mount pad has the picture peg through seting up the activity of opening grafting, fixedly connected with second spring between the inner wall of rear end and mount pad of picture peg, two square groove has all been seted up to the outside that one side that the picture peg is relative just is located the mount pad, square piece has been placed to square groove's inside, two peg graft through seting up the activity of opening between the square piece has the montant, the surface rolling of montant has the coil, two the spacing mouth that cooperatees the use with square piece has all been seted up to one side that the mount pad is relative.
Preferably, the first linkage groove has been seted up on the inside right side of preparation platform, the second linkage groove that is linked together with rotation groove and first linkage groove has all been seted up to the inside right upper portion and the lower part of preparation platform, the right side of preparation platform passes through fixed plate fixedly connected with driving box, the right side of driving box inner chamber passes through fixed plate fixedly connected with first motor, the output shaft of first motor passes through shaft coupling fixedly connected with dwang, the one end of dwang runs through driving box and preparation platform in proper order and extends to the inside of first linkage groove, the one end that the dwang extends to the inside of first linkage groove rotates through the bearing spare and is connected in the left side of first linkage groove inner chamber.
Preferably, the surface of dwang just is located the inside fixedly connected with first bevel gear of first linkage groove, the top and the bottom of first linkage groove inner chamber all rotate through the bearing spare and are connected with driven lever, the equal fixedly connected with in top and the bottom of driven lever and the second bevel gear that first bevel gear cooperatees the use, be close to two second bevel gears of first bevel gear all mesh with first bevel gear, the inboard of second linkage groove is connected with the horizontal pole through the rotary drum rotation, the right-hand member fixedly connected with of horizontal pole and the third bevel gear of homonymy second bevel gear mesh.
Preferably, the cross bar is located the inboard one end fixedly connected with gear of rotation groove, the outside fixedly connected with of winding ring and the tooth that gear engaged with, square piece inside left side below has seted up the third linkage groove that is linked together with the standing groove.
Preferably, the upper part of the left side of the inner cavity of the placing groove is fixedly connected with a sliding rod, the surface of the sliding rod is sleeved with a sliding sleeve in a sliding manner, and the surface of the sliding rod is sleeved with a third spring on the left side of the sliding sleeve.
Preferably, the bottom fixedly connected with draw runner plate of third linkage groove inner chamber, the inside slidable mounting of draw runner plate has the slider, the top fixedly connected with second motor of slider, the output shaft of second motor passes through the shaft coupling fixedly connected with connecting rod, the top of connecting rod passes through the bearing piece and rotates the bottom of being connected in the sliding sleeve.
Preferably, the surface of the connecting rod is fixedly connected with a rubber wheel which is used with the magnetic core body.
Advantageous effects
The invention provides a ring rolling machine for magnetic core preparation. Compared with the prior art, the method has the following beneficial effects:
(1) This magnetic core preparation is with rolling up ring machine drives dwang and first bevel gear through using first motor and rotates, then under the linkage of second bevel gear and driven lever and third bevel gear, drive about two gears syntropy and rotate with same speed, because the effect of tooth makes the winding ring can rotate around the magnetic core body, twine the coil on montant surface at the surface of magnetic core body, this item setting can drive the winding ring through the effect of first motor and twine the work to the magnetic core body, compare in artifical rolling has improved production efficiency, staff's amount of labour has been reduced, simultaneously the cost of labor has been saved.
(2) This magnetic core preparation is with rolling up ring machine to through the coil winding on the surface of montant to can take off it and change the coil at any time on the picture peg through the effect of picture peg and square piece, this setting can be with the coil of receiving the same length in advance in the inboard of coiling the ring and coil to the magnetic core body, this kind of mode can guarantee that the coil length of every magnetic core surface coiling is the same, has guaranteed the uniformity of product, very big improvement the production quality of magnetic core, satisfied the demand in current production field.
(3) This magnetic core preparation is with rolling up ring machine drives the connecting rod through using the second motor and rotates to make the rubber wheel and drive the synchronous slow rotation of magnetic core body, can make the even winding of coil at the surface of magnetic core body when the spiral, can not lead to its surface roughness, make the product pleasing to the eye obtain guaranteeing, simultaneously because the effect of third spring, make the rubber wheel laminate with the magnetic core body all the time, improved stability when using, increased holistic practicality and the functionality of equipment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the fabrication table and drive box of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is an enlarged view of a portion of the invention at B in FIG. 2;
FIG. 5 is an enlarged view of a portion of the invention at C in FIG. 2;
FIG. 6 is an enlarged view of a portion of the invention at D in FIG. 2;
FIG. 7 is a side view of the inner structure of the winding ring of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at E in accordance with the present invention;
FIG. 9 is an enlarged view of a portion of the invention at F in FIG. 7;
FIG. 10 is an enlarged view of a portion of the invention at G of FIG. 7;
Fig. 11 is a side view of the winding ring, annular slide groove and mount configuration of the present invention.
In the figure: 1. a bottom plate; 2. a winding ring; 3. a magnetic core body; 4. a rotating groove; 5. an annular sliding groove; 6. a limit slide bar; 7. a mounting port; 8. a slot; 9. an arc-shaped frame; 10. a magnetic block; 11. a first spring; 12. a pulling piece; 13. a sliding port; 14. a mounting base; 15. inserting plate; 16. a second spring; 17. a square groove; 18. a vertical rod; 19. a coil; 20. a limit opening; 21. a first linkage groove; 22. a second linkage groove; 23. a drive box; 24. a first motor; 25. a rotating lever; 26. a first bevel gear; 27. a driven rod; 28. a second bevel gear; 29. a cross bar; 30. a third bevel gear; 31. a gear; 32. teeth; 33. a third linkage groove; 34. a slide bar; 35. a sliding sleeve; 36. a third spring; 37. a chute plate; 38. a slide block; 39. a second motor; 40. a connecting rod; 41. a rubber wheel; 42. a manufacturing table; 43. square blocks; 44. and (5) placing a groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the present invention provides a technical solution: the utility model provides a magnetic core preparation is with book ring machine, including bottom plate 1, winding ring 2 and magnetic core body 3, the top fixedly connected with preparation platform 42 of bottom plate 1, the surface of preparation platform 42 has been seted up and has been run through to the rotary tank 4 at rear portion, standing groove 44 has all been seted up to the both sides of rotary tank 4 inner chamber, and winding ring 2 is located the inboard of rotary tank 4, annular sliding groove 5 has been seted up in the outside on winding ring 2 right side, the upper portion and the equal fixedly connected with of lower part on winding ring 4 inner chamber right side and annular sliding groove 5 matched with spacing slide bar 6 of use, and the one end of spacing slide bar 6 extends to the inboard of annular sliding groove 5, the installing port 7 has been seted up on the surface of winding ring 2, the upper portion of installing port 7 inboard has arc frame 9 through seting up opening activity grafting, slot 8 has been seted up to the bottom of installing port 7 inboard, and the bottom of arc frame 9 extends to the inboard of slot 8, the arc frame 9 extends to the inboard of slot 8 inboard one end and the bottom of slot 8 inner chamber all fixedly connected with mutually supporting magnetic block 10, the top and being located the inner chamber fixedly connected with of winding ring 2 has first spring 11 and winding ring 2, the surface 12 is located winding ring 2 and winding ring 12 is equipped with the permanent magnet piece that is used to extend the top of the winding ring 12, the plectrum is located the surface of winding ring 12 and is used to the outside of the winding ring 12.
In order to facilitate the installation of the coil 19, in the invention, the upper side and the lower side of the inner rear part of the winding ring 2 are fixedly connected with the mounting seat 14, the surface of the mounting seat 14 is movably inserted with the inserting plate 15 through an opening, a second spring 16 is fixedly connected between the rear end of the inserting plate 15 and the inner wall of the mounting seat 14, square grooves 17 are formed on the opposite sides of the two inserting plates 15 and positioned on the outer sides of the mounting seat 14, square blocks 43 are placed in the square grooves 17, vertical rods 18 are movably inserted between the two square blocks 43 through an opening, the coil 19 is wound on the surface of the vertical rods 18, and limit ports 20 matched with the square blocks 43 are formed on the opposite sides of the two mounting seats 14.
Further, in order to enable the winding ring 2 to rotate, in the invention, the right side in the manufacturing table 42 is provided with the first linkage groove 21, the upper part and the lower part of the right side in the manufacturing table 42 are respectively provided with the second linkage groove 22 communicated with the rotating groove 4 and the first linkage groove 21, the right side of the manufacturing table 42 is fixedly connected with the driving box 23 through a fixing plate, the right side in the inner cavity of the driving box 23 is fixedly connected with the first motor 24 through the fixing plate, the output shaft of the first motor 24 is fixedly connected with the rotating rod 25 through a coupling, one end of the rotating rod 25 sequentially penetrates through the driving box 23 and the manufacturing table 42 and extends into the first linkage groove 21, and one end of the rotating rod 25 extending into the first linkage groove 21 is rotationally connected to the left side in the inner cavity of the first linkage groove 21 through a bearing piece.
In order to enable the two gears 31 to synchronously and co-rotate in a coordinated manner, in the invention, the surface of the rotating rod 25 is fixedly connected with a first bevel gear 26 inside the first linkage groove 21, the top and the bottom of the inner cavity of the first linkage groove 21 are both rotatably connected with a driven rod 27 through bearing pieces, the top and the bottom of the driven rod 27 are both fixedly connected with a second bevel gear 28 matched with the first bevel gear 26, two second bevel gears 28 close to the first bevel gear 26 are both meshed with the first bevel gear 26, the inner side of the second linkage groove 22 is rotatably connected with a cross rod 29 through a rotary drum, the right end of the cross rod 29 is fixedly connected with a third bevel gear 30 meshed with the second bevel gear 28 on the same side, one end of the cross rod 29 positioned at the inner side of the rotating groove 4 is fixedly connected with a gear 31, the outer side of the winding ring 2 is fixedly connected with a tooth 32 meshed with the gear 31, and the lower side of the left side inside of the square block 43 is provided with a third linkage groove 33 communicated with a placing groove 44.
In order to make the rubber wheel 41 always attach to the magnetic core body 3, in the invention, the upper part of the left side of the inner cavity of the placing groove 44 is fixedly connected with the slide bar 34, the surface of the slide bar 34 is in sliding connection with the slide sleeve 35, the surface of the slide bar 34 and the left side of the slide sleeve 35 are in sliding connection with the third spring 36, the bottom of the inner cavity of the third linkage groove 33 is fixedly connected with the slide groove plate 37, the sliding block 38 is slidably arranged in the slide groove plate 37, the top of the sliding block 38 is fixedly connected with the second motor 39, the output shaft of the second motor 39 is fixedly connected with the connecting rod 40 through a coupler, and the top of the connecting rod 40 is rotationally connected to the bottom of the slide sleeve 35 through a bearing piece.
In order to increase the friction force with the magnetic core body 3, in the present invention, the rubber wheel 41 used in cooperation with the magnetic core body 3 is fixedly connected to the surface of the connecting rod 40.
And all that is not described in detail in this specification is well known to those skilled in the art.
When in use, the plugboard 15 is pulled out, then the vertical rod 18 which is wound with the coil 19 in advance is inserted into the inner side of the square groove 17 through the square block 43, then the plugboard 15 is pressed to push the plugboard 15 and the square block 43 into the inner side of the mounting seat 14, the square block 43 is limited through the effect of the limiting opening 20, then the arc-shaped frame 9 is pushed upwards through the poking plate 12, at the moment, the magnetic core body 3 is sleeved on the inner side of the winding ring 2 through the mounting opening 7, then the magnetic core body 3 is placed into the inner side of the placing groove 44, then the poking plate 12 is loosened, the arc-shaped frame 9 is inserted into the slot 8 under the thrust of the first spring 11 and is fixedly limited through the magnetic block 10, at the moment, a staff pulls out one end of the coil 19 and holds the coil by hand, then the first motor 24 and the second motor 39 are started, the first motor 24 drives the first bevel gear 26 to rotate through the rotating rod 25, the driven rod 27 is rotated under the engagement of the two second bevel gears 28, then the third bevel gear 30 is engaged with the second bevel gear 28 at the rear end of the driven rod 27, so that the cross rod 29 drives the gears 31 to rotate, as the two gears 31 rotate in the same direction, even if no teeth 32 are arranged at the mounting opening 7 and can be driven by the other gear 31, when the winding ring 2 rotates, the coil 19 is held at one end of the coil, the rest wire is wound on the surface of the magnetic core body 3 under the rotation of the winding ring 2, the slider 38 drives the rubber wheel 41 to rotate through the connecting rod 40, the rubber wheel 41 drives the magnetic core body 3 to slowly rotate, so that the magnetic core body 3 is uniformly wound by the coil 19, and under the pushing of the third spring 36, the rubber wheel 41 is always attached to the magnetic core body 3, after the winding of one magnetic core body 3 is completed, the magnetic core body 3 is taken out, and the next core body 3 and coil 19 are replaced and the production is continued.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a magnetic core preparation is with rolling up ring machine, includes bottom plate (1), winding ring (2) and magnetic core body (3), its characterized in that: the utility model discloses a magnetic winding device, including bottom plate (1), annular sliding groove (5) are offered in the top fixedly connected with preparation platform (42), rotary groove (4) that runs through to the rear portion are offered on the surface of preparation platform (42), standing groove (44) have all been offered to the both sides of rotary groove (4) inner chamber, and winding ring (2) are located the inboard of rotary groove (4), annular sliding groove (5) have been offered in the outside on winding ring (2) right side, the upper portion and the equal fixedly connected with in lower part on rotary groove (4) inner chamber right side limit slide bar (6) that cooperate with annular sliding groove (5), and the one end of limit slide bar (6) extends to the inboard of annular sliding groove (5), installing port (7) have been offered on the surface of winding ring (2), slot (8) are offered through offering opening activity grafting in the inboard upper portion, slot (8) have been offered to the inboard bottom of installing port (7), and the bottom of arc frame (9) extends to the inboard of slot (8), arc frame (9) extend to the inboard limit slide bar (6) with the lower part fixedly connected with one end of slot (5) and the inside of an inner chamber (8) and the magnetic connection piece (10) that is located the inside of an inner chamber (10) that is located the fixed connection of an inner chamber (2), the surface of the arc-shaped frame (9) is fixedly connected with a poking plate (12) in the inner cavity of the winding ring (2), the top end of the poking plate (12) penetrates through the winding ring (2) and extends to the outside of the winding ring (2), and a sliding port (13) matched with the poking plate (12) for use is formed in the surface of the winding ring (2);
the upper side and the lower side of the inner side rear part of the winding ring (2) are fixedly connected with mounting seats (14), inserting plates (15) are movably inserted into the surfaces of the mounting seats (14) through openings, second springs (16) are fixedly connected between the rear ends of the inserting plates (15) and the inner walls of the mounting seats (14), square grooves (17) are formed in one side, opposite to the inserting plates (15), of each mounting seat (14), square blocks (43) are placed in the square grooves (17), vertical rods (18) are movably inserted into the square blocks (43) through openings, coils (19) are wound on the surfaces of the vertical rods (18), and limiting openings (20) matched with the square blocks (43) are formed in one side, opposite to the mounting seats (14);
The right side of the inside of the manufacturing table (42) is provided with a first linkage groove (21), the upper part and the lower part of the right side of the inside of the manufacturing table (42) are respectively provided with a second linkage groove (22) communicated with the rotating groove (4) and the first linkage groove (21), the right side of the manufacturing table (42) is fixedly connected with a driving box (23) through a fixing plate, the right side of an inner cavity of the driving box (23) is fixedly connected with a first motor (24) through the fixing plate, an output shaft of the first motor (24) is fixedly connected with a rotating rod (25) through a coupler, one end of the rotating rod (25) sequentially penetrates through the driving box (23) and the manufacturing table (42) and extends to the inside of the first linkage groove (21), and one end of the rotating rod (25) extending to the inside of the first linkage groove (21) is rotationally connected to the left side of the inner cavity of the first linkage groove (21) through a bearing piece;
The surface of the rotating rod (25) is fixedly connected with a first bevel gear (26) which is positioned in the first linkage groove (21), the top and the bottom of the inner cavity of the first linkage groove (21) are respectively and rotatably connected with a driven rod (27) through a bearing piece, the top end and the bottom end of the driven rod (27) are respectively and fixedly connected with a second bevel gear (28) which is matched with the first bevel gear (26) for use, two second bevel gears (28) which are close to the first bevel gear (26) are respectively meshed with the first bevel gear (26), the inner side of the second linkage groove (22) is rotatably connected with a cross rod (29) through a rotary drum, and the right end of the cross rod (29) is fixedly connected with a third bevel gear (30) which is meshed with the second bevel gear (28) on the same side;
One end of the cross rod (29) positioned at the inner side of the rotating groove (4) is fixedly connected with a gear (31), the outer side of the winding ring (2) is fixedly connected with a tooth (32) meshed with the gear (31), and a third linkage groove (33) communicated with the placing groove (44) is formed below the left side of the inner part of the square block (43);
The upper portion of standing groove (44) inner chamber left side fixedly connected with slide bar (34), sliding sleeve (35) has been cup jointed in the surface sliding of slide bar (34), third spring (36) have been cup jointed on the surface of slide bar (34) and in the left side of sliding sleeve (35).
2. The winding machine for manufacturing magnetic cores according to claim 1, wherein: the bottom fixedly connected with draw runner plate (37) of third linkage groove (33) inner chamber, the inside slidable mounting of draw runner plate (37) has slider (38), the top fixedly connected with second motor (39) of slider (38), the output shaft of second motor (39) passes through shaft coupling fixedly connected with connecting rod (40), the top of connecting rod (40) is rotated through the bearing and is connected in the bottom of sliding sleeve (35).
3. A winding machine for magnetic core preparation according to claim 2, characterized in that: the surface of the connecting rod (40) is fixedly connected with a rubber wheel (41) matched with the magnetic core body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111391317.9A CN114334436B (en) | 2021-11-23 | 2021-11-23 | Ring rolling machine for magnetic core preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111391317.9A CN114334436B (en) | 2021-11-23 | 2021-11-23 | Ring rolling machine for magnetic core preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114334436A CN114334436A (en) | 2022-04-12 |
| CN114334436B true CN114334436B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111391317.9A Active CN114334436B (en) | 2021-11-23 | 2021-11-23 | Ring rolling machine for magnetic core preparation |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859937A (en) * | 2017-11-30 | 2019-06-07 | 普莱默股份公司 | A kind of annular magnet electric device |
| CN110890213A (en) * | 2019-11-19 | 2020-03-17 | 青县择明朗熙电子器件有限公司 | Magnetic core winding machine for preparing voltage transformer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101938888B1 (en) * | 2017-01-03 | 2019-04-10 | 선상규 | Mechanical drive to the motor and alternator |
| CN208422664U (en) * | 2018-03-24 | 2019-01-22 | 陈娟 | A kind of rounded corner type inductance core |
| CN213505402U (en) * | 2020-11-02 | 2021-06-22 | 天长市运臣电子工贸有限公司 | Winding device for transformer magnetic core |
-
2021
- 2021-11-23 CN CN202111391317.9A patent/CN114334436B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859937A (en) * | 2017-11-30 | 2019-06-07 | 普莱默股份公司 | A kind of annular magnet electric device |
| CN110890213A (en) * | 2019-11-19 | 2020-03-17 | 青县择明朗熙电子器件有限公司 | Magnetic core winding machine for preparing voltage transformer |
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| CN114334436A (en) | 2022-04-12 |
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