CN110010338A - A kind of automatic paper feeding numerical control coil winder for voltage transformer - Google Patents
A kind of automatic paper feeding numerical control coil winder for voltage transformer Download PDFInfo
- Publication number
- CN110010338A CN110010338A CN201910366629.0A CN201910366629A CN110010338A CN 110010338 A CN110010338 A CN 110010338A CN 201910366629 A CN201910366629 A CN 201910366629A CN 110010338 A CN110010338 A CN 110010338A
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- China
- Prior art keywords
- paper
- paper feeding
- rack
- coiling
- voltage transformer
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/122—Insulating between turns or between winding layers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulating Of Coils (AREA)
Abstract
The invention discloses a kind of automatic paper feeding numerical control coil winder for voltage transformer, it includes being oppositely arranged on the rack and openable and closable support plate, guide wheel is relatively set in support plate, bobbin winder device is fitted between guide wheel, the driving gear that bobbin winder device can be made to rotate is provided in rack, bus cable device is provided in rack, rack side is provided with paper feeding paper cutter and paper pressing device, paper feeding paper cutter includes the driving mechanism that insulating paper can be driven mobile and can be by the paper cutting mechanism of insulating paper customized cut-off, paper pressing device includes that insulating paper can be covered on to paster mechanism on conducting wire.The present invention controls gear using existing PLC controller to drive winding displacement, paper feeding and the coiling of knockdown winding clamp, pass through split knockdown reel, achieve that coil is made in monoblock type iron core winding, it not only can reach quick coiling, from one machine of a people, realize people's multimachine, substantially increase winding efficiency, and coiling precision is high, and applicability is wide, convenient operating maintenance.
Description
Technical field
The present invention relates to coil winding machines, more particularly, to a kind of numerical control coil winder for voltage transformer.
Background technique
Coil is an important component of voltage transformer, its quality, it is mutual that performance height directly affects voltage
The using effect of sensor, coiling cost directly influence the manufacturing cost of coil again.Voltage transformer coil (secondary line at present
Circle) in order to improve winding efficiency, it is ensured that around line mass, coiling time cost is reduced, mostly coiling is carried out using mechanical, due to existing
Having mechanical coiling is only line coiling using machinery, and the insulating paper between line and line is still using hand cutting and to place, also
It is to say that winding roller around a circle conducting wire, will be often put on winding roller by manually cutting the insulating paper of appropriate length, then by insulating paper,
The coiling that just can be carried out the second circle conducting wire, due to secondary coil winding turns generally ten it is several layers of more than, in winding process
In, a coil winding machine is cut and placement needs special messenger's operation, and the time occupancy for cutting and placing insulating paper is more, is not only dropped
Low winding efficiency, and increase coiling time cost.
Summary of the invention
Above-mentioned prior art voltage transformer winding there are aiming at the problem that, the present invention provides a kind of not only winding efficiencies
Height, coiling is high-quality, and time cost is low, and easy to operate, applicability and strong automatic paper feeding voltage transformer numerical control coiling
Machine.
The technical problem to be solved in the present invention is adopted the technical scheme that: a kind of automatic paper feeding voltage transformer numerical control
Coil winding machine, it includes being oppositely arranged on the rack and openable and closable support plate, is relatively set with guide wheel in the support plate, described
It is fitted with bobbin winder device between guide wheel, the driving gear that bobbin winder device can be made to rotate is provided in the rack, in the rack
It is provided with bus cable device, the rack side is provided with paper feeding paper cutter and paper pressing device, and the paper feeding paper cutter includes
The driving mechanism and can include energy by the paper cutting mechanism of insulating paper customized cut-off, the paper pressing device that insulating paper is mobile can be driven
Insulating paper is covered on paster mechanism on conducting wire.
The bus cable device includes the conductor rod that can be transported to conducting wire on bobbin winder device and can move left and right；The coiling
Device includes reel and the coiling set being connected with reel both ends, and the coiling, which is put on, is provided with driving wheel tooth；The driving
Mechanism includes the driven roller that insulating paper can be made to be moved on bobbin winder device along paper pushing board；The paper cutting mechanism include cut paper cylinder and
It is connected with cut paper cylinder and can be by the hand papercutter of insulating paper customized cut-off；The paster mechanism includes that insulating paper can be attached to coiling
Compensating squeeze head on device.
The course of work of the invention is: first the reel of open-close type dismantled, covers and is combined into bobbin winder device on iron core, it will
Upper backup pad Unscrew, bobbin winder device is fitted on guide wheel, and makes the drive on the driving wheel tooth and rack on bobbin winder device
Moving gear is meshed, and starting servo motor electricity, driving gear shaft rotation drives driven gear, makes the drive being meshed with driven gear
Moving gear rotation, driving gear band move bobbin winder device rotation, and at the same time, bus cable device work drives guide clip and conductor rod
Move back and forth on coiling screw rod, makes conducting wire after one layer of bobbin winder device right end winding, bus cable device stops working, at the same time
Insulating paper enters on paper pushing board under the action of the drive mechanism, when the paper length that insulate reaches setting length, cut paper cylinder operation band
General who has surrendered's layer (first layer) insulating paper is cut off under dynamic cutter, and the insulating paper of cutting enters after bobbin winder device under compensating squeeze head effect
After the first layer conducting wire cladding of coiling, bus cable device is started to work again, drives guide clip and conductor rod on coiling screw rod
Move back and forth, make conducting wire from bobbin winder device right end wind the second layer after, bus cable device is started to work again, so circulation, completion around
After line, reel on bobbin winder device is dismantled, conducting wire and insulating paper is made to cover the coiling work for completing voltage transformer coil on iron core
Make.
The paper feeding paper cutter and paper pressing device, which are arranged in, to be controlled, on front and back and the lateral movement plate that moves up and down,
The lateral movement plate is through guide rail, transverse shifting screw rod and nut setting on longitudinal movement plate, and longitudinal movement plate is by leading
Rail and longitudinal movement screw rod are arranged on lifter plate, and the lifter plate can be in the up-down direction under elevating screw and nut effect
It moves up and down.
It is provided with opposite both side plate and the supporting plate vertical with side plate on the lateral movement plate, is provided between both side plate
Between a pair of driven roller being oppositely arranged up and down, described paper pushing board one end is movably fixed on supporting plate, the inclined cantilever of the other end
Shape is extend on reel.
The driving mechanism include it is up and down vertical opposite be fixed on side plate and can make insulating paper along paper pushing board be moved to around
Driven roller on line apparatus, driven roller are driven by servo motor, number implement are housed, when insulating paper is moved up in driven roller in driven roller
When dynamic length reaches setting value, number implement sends a signal to PLC controller, will by PLC controller control cut paper cylinder operation
Insulating paper cutting, the insulating paper front end after cutting enter on reel along the paper pushing board tilted down, and insulating paper front end is in elasticity
It is rotated under pressure head effect with reel, overlaps insulating paper rear end and front end.
The paster mechanism includes the compensating squeeze head being movably connected with compression bar one end, and the compensating squeeze head is hairbrush, soft modeling
Glue, soft rubber, silica gel etc., the compression bar other end are movably connected by hinge pin and one end, the rocker arm other end and pendulum
Cylinder of taking offence is connected, and the oscillating cylinder is provided on pressing plate, and pressing plate is located on side plate, on the fixed side panel of hinge pin both ends.Work as cutting
Insulating paper front end when entering reel along the paper pushing board that tilts down, travel switch or photoelectric sensor issue signal, PLC control
System, which waves cylinder operation, tilts down compression bar one end equipped with compensating squeeze head, and compensating squeeze head is made lightly to be attached to insulating paper
On.
Paper feeding paper cutter and paper cutter of the present invention can forwards, backwards, left and right and move up and down, advised according to coil
Lattice size sets moving distance by controller, to adapt to the coil-winding of different size.The present invention can be used for cell voltage
The coiling of mutual inductor coil can also be used for the coiling of polynary voltage transformer coil by appropriate adjustment.
The present invention gear is controlled using existing PLC controller come drive the winding displacement of knockdown winding clamp, paper feeding and around
Line passes through split knockdown reel, so that it may and it realizes that coil is made in monoblock type iron core winding, not only can reach quick coiling,
From one machine of a people, people's multimachine is realized, substantially increase winding efficiency, and coiling precision is high, applicability is wide, Operation and Maintenance side
Just.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention,
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1,
Fig. 3 is the B-B schematic cross-sectional view of Fig. 1,
Fig. 4 is the schematic cross-sectional view of reel of the present invention,
Fig. 5 is the enlarged structure schematic diagram of locating slot of the present invention,
Fig. 6 is a kind of structural schematic diagram of paper pressing device,
Fig. 7 is another structural schematic diagram of paper pressing device,
Fig. 8 is the cross-sectional structure schematic diagram of paper pushing board.
1, rack 2, PLC controller 3, backup plate 4, lower supporting plate 5, upper backup pad 6, guide wheel 7, servo in the figure
Motor I 8, coiling screw rod 9, guide clip 10, conductor rod 11, top plate 12, pressing plate 13, side plate 14, rocker arm 15, column
16, paster mechanism 17, hand papercutter 18, connecting rod 19, supporting plate 20, conducting wire 21, cut paper cylinder 22, reel 23, positioning
Slot 24, hinged shaft 26, transmission gear 27, driven gear 28, driving gear shaft 29, driving gear 30, drives guide wheel shaft 25
Moving gear 31, fastening screw 32, compression bar 33, servo motor II 34, paper pushing board 35, chain 36, longitudinal movement screw rod
37, slewing rollers 38, driven roller 39, oscillating cylinder 40, transiting rod 41, insulating paper 42, insulation paper bowl 43, lateral movement plate
44, transverse shifting screw rod 45, longitudinal movement plate 46, lifter plate 47, guide rod 48, platen 49, nut 50, elevating screw
51, mould bases plate 52, guide rail 53, rear support frame 54, iron core 55, front support frame 56, block 57, compensating squeeze head 58, coiling
Set.
Specific embodiment
It is described in detail below by specific embodiment: a kind of automatic paper feeding numerical control coil winder for voltage transformer in the figure, it
Including be arranged in rack 1 PLC controller 2, limited with backup plate 3 and to be oppositely arranged lower supporting plate 4 on the rack and setting exists
And it can be living with hinged shaft 25 around the upper backup pad 5 of lower supporting plate one end rotation, upper backup pad and lower supporting plate one end on lower supporting plate
It is dynamic to be connected, can be tangent with reel (the flange baffles at reel both ends) four are provided on the upper backup pad and lower supporting plate
Guide wheel 6, guide wheel guide wheel shaft 24 are fixed in 45 ° of inclined locating slots 23 positioned on upper backup pad and lower supporting plate,
The locating slot with the circular hole of 24 same apertures of guide wheel shaft by being crossed to form, circular hole intersection round-corner transition, the guide wheel phase
Position can be adjusted, to be applicable in the coil tube coiling of different size, (the not only coil-winding of applicable different size, but also can
Accomplish quick and precisely to position), the diverted roller 37 of insulating paper 41 to insulate on paper bowl 42 enters between driven roller, the lower supporting plate
On be provided with driving gear 30, the driving gear 30 is meshed with the transmission gear 26 on reel, the driving gear and
Driven gear 27 is meshed, and driven gear is meshed with driving gear 29, and driving gear is driven by driving gear shaft 28, driving tooth
Wheel shaft is driven by servo motor III (not marking in figure), and the rotation of driven gear 27 drives driving gear 30 to rotate, driving gear rotation
Turn band nutating gear 26 to rotate, transmission gear is integrally formed with reel, so that reel 22 be made to rotate, reel is existing
Technology is a separately made components, be complete one of mutual inductor coil (including iron core and line set) coiling must can not
Few auxiliary equipment belongs to the auxiliary equipment of coil winding machine, the set of the coiling made of epoxy resin 58 is equipped in reel, coiling set is split
Into two and it is combined into one, some coilings are put on to be split into two halves area with block 56, and coiling subregion carries out (as shown in Figure 4),
There is transmission gear 26 on the flange baffle at reel both ends, one layer of insulating paper 41 is sticked again after a layer conductor 20, in upper branch
Bus cable device is provided between fagging and lower supporting plate in the rack of relative position, the bus cable device includes being fixed on the rack
Column 15, the top plate 11 being arranged on column and the coiling screw rod 8 being arranged on top plate, coiling screw rod drives by servo motor I 7
It is dynamic, the guide clip 9 that conducting wire 20 can be driven to move left and right, the guide clip and 10 one end of conductor rod are provided on the coiling screw rod
It is connected, the conductor rod other end extends near reel, and conducting wire 20 passes through guide clip and guide rod under the effect of coiling screw rod back and forth
It is mobile, it is provided with insulating paper 41 between conducting wire, iron core 54 is fixed on the rack with front support frame 55 and rear support frame 53.In rack
On be provided with bus cable device, the bus cable device includes the conducting wire that can be transported to conducting wire on winding roller and rotate with reel
Bar, conductor rod are fixed on the nut on coiling screw rod, and the distance that nut moves on coiling screw rod is the length around a circle conducting wire
Degree drives nut to make moving left and right for fixed length using I 7 positive and negative rotation of servo motor and travel switch or number implement, and nut drive is led
Line bar moves left and right realization coiling, when conducting wire (copper wire) number of plies or conducting wire total length of coiling reach setting value in computer, conducting wire
Input terminal (with conductor barrel abutment end) is automatically cut off, and completes the coiling an of coil or an area Ge Ban, the rack side (front
Rear end) be provided with paper feeding paper cutter and paper pressing device, the servo motor I 7 include the insulating paper of fixed length can be tightly attached to around
The compensating squeeze head 57 of conductive line surfaces in spool.The paper feeding paper cutter and paper pressing device setting can control, front and back and up and down
On mobile lateral movement plate 43, the lateral movement plate is arranged by guide rail, transverse shifting screw rod 44 and nut in longitudinal shifting
On movable plate 45, longitudinal movement plate is arranged on lifter plate 46 by guide rail 52 and longitudinal movement screw rod 36 and nut, the lifting
Plate can be moved vertically in the up-down direction in the case where the nut 49 and guide rod 47 of elevating screw 50 and lifting act on, on guide rod
End is connected with lifter plate, and lower end activity and mould bases plate 51 match, and lifting nut is fixed on mould bases plate, and elevating screw upper end passes through
Platen 48 is connected with lifter plate 46, lower end is matched with lifting nut.Manually or electrically the rotation of control elevating screw can make to go up and down
Plate vertically moves up and down.Paper feeding paper cutter and paper pressing device are adjusted in left and right, front and back and upper and lower position to can reach.
It is provided with opposite both side plate 13 and the supporting plate 19 vertical with side plate on the lateral movement plate, is set between both side plate
It is equipped between the driven roller 38 that a pair is oppositely arranged up and down, 34 one end of paper pushing board is movably fixed on supporting plate 19, the other end is in outstanding
Arm, which tilts down, to be extend on reel 22, and driven roller is driven with chain 35.
The driving mechanism includes being vertically fixed on side plate up and down and insulating paper capable of being made to be moved to along paper pushing board around traditional thread binding
A pair of of the driven roller set, wherein driven roller under a driven roller 38() it is driven by servo motor II 33, equipped with number in driven roller
Code device (being not drawn into figure), the paper cutting mechanism include cut paper cylinder and are connected with cut paper cylinder and can be by insulating paper customized cut-off
Hand papercutter 17；When the length that insulating paper moves in driven roller reaches setting value, (setting length is greater than insulating paper around coiling
One week circumference of cylinder), number implement sends a signal to computer, and insulating paper 41 is cut off, cut by the computer control work of cut paper cylinder 21
The insulating paper front end had no progeny enters on reel along the paper pushing board tilted down, insulating paper front end under the effect of compensating squeeze head 57 with
Reel rotation, after overlapping insulating paper rear end and front end, bus cable device work starts coiling.The paster mechanism 16 include with
The compensating squeeze head 57 that 32 one end of compression bar is movably connected, the compensating squeeze head are hairbrush, soft plastic, soft rubber, silica gel etc., the pressure
The bar other end is connected by 31 transiting rod of fastening screw, 40 one end, and the transiting rod other end is connected with connecting rod 18, and connecting rod is another
End is movably connected by hinge pin and 14 one end of rocker arm, and the rocker arm other end is connected with oscillating cylinder 39, and the oscillating cylinder is provided with
On pressing plate 12, pressing plate is located on side plate, on the fixed side panel of hinge pin both ends.When the insulating paper front end of cutting enters winding roller, row
Cheng Kaiguan or photoelectric sensor issue signal, and cylinder operation is waved in computer control makes compression bar one end equipped with compensating squeeze head dip down
Tiltedly, and it is attached to compensating squeeze head lightly on insulating paper, then bus cable device work starts coiling.
The present invention utilizes the following prior art: by conducting wire coiling circle number, the different length of every circle conducting wire coiling, insulating paper layer
Number, the different length of every layer of insulating paper, reel rotation speed, bus cable device move back and forth the technical parameters such as speed, number implement
The signal that reading, sensor and travel switch etc. obtain, classifies, and distinguished by PLC controller according to different size size
To the switch starting time of each servo motor, the switch gap time is controlled.These prior arts are not wanted in right of the present invention
In the protection scope asked.
Claims (5)
1. a kind of automatic paper feeding numerical control coil winder for voltage transformer, it includes being oppositely arranged on rack (1) and openable and closable branch
Fagging is relatively set with guide wheel (6) in the support plate, bobbin winder device is fitted between the guide wheel, is arranged in the rack
There is the driving gear (30) that bobbin winder device can be made to rotate, bus cable device is provided in the rack, it is characterized in that: the rack one
Side is provided with paper feeding paper cutter and paper pressing device, and the paper feeding paper cutter includes the driving that insulating paper (41) can be driven mobile
Mechanism and can be by the paper cutting mechanism of insulating paper customized cut-off, the paper pressing device includes that insulating paper can be covered on to conducting wire (20)
On paster mechanism (16).
2. a kind of automatic paper feeding numerical control coil winder for voltage transformer according to claim 1, it is characterized in that: the driving machine
Structure includes the driven roller (38) that insulating paper (41) can be made to be moved on bobbin winder device along paper pushing board (34), and driven roller is by servo motor
II (33) drive, and are provided with number implement in the driven roller.
3. a kind of automatic paper feeding numerical control coil winder for voltage transformer according to claim 1, it is characterized in that: the paper cutter
Structure includes cut paper cylinder (21) and is connected with cut paper cylinder and can be by the hand papercutter (17) of insulating paper customized cut-off.
4. a kind of automatic paper feeding numerical control coil winder for voltage transformer according to claim 1, it is characterized in that: the Paper adhesive machine
Structure (16) includes the compensating squeeze head (57) being movably connected with compression bar (32) one end, and the compression bar other end passes through fastening screw (31)
Be connected with transiting rod (40) one end, the transiting rod other end is movably connected by hinge pin and rocker arm (14) one end, the rocker arm other end with
Oscillating cylinder (39) is connected, and the oscillating cylinder is arranged on pressing plate (12), and pressing plate is located on side plate (13), and hinge pin both ends are fixed
On side plate.
5. a kind of automatic paper feeding numerical control coil winder for voltage transformer according to claim 4, it is characterized in that: the elasticity pressure
Head (57) is hairbrush, soft plastic, soft rubber or silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366629.0A CN110010338A (en) | 2019-05-05 | 2019-05-05 | A kind of automatic paper feeding numerical control coil winder for voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366629.0A CN110010338A (en) | 2019-05-05 | 2019-05-05 | A kind of automatic paper feeding numerical control coil winder for voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110010338A true CN110010338A (en) | 2019-07-12 |
Family
ID=67175584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910366629.0A Pending CN110010338A (en) | 2019-05-05 | 2019-05-05 | A kind of automatic paper feeding numerical control coil winder for voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110010338A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564308A (en) * | 2020-04-14 | 2020-08-21 | 中节能西安启源机电装备有限公司 | Winding and pressing device for foil type winding equipment and winding method of foil tape coil |
| CN111986917A (en) * | 2020-08-12 | 2020-11-24 | 浙江中能变压器有限公司 | Push type rotary platform for processing dry type transformer winding |
| CN112908690A (en) * | 2021-01-15 | 2021-06-04 | 重庆仟知佳科技有限公司 | Multifunctional winding machine for inductor production |
| CN114883108A (en) * | 2022-04-20 | 2022-08-09 | 岳西县天鹅电子科技有限公司 | Transformer winding platform for charger and control system thereof |
| CN116313492A (en) * | 2023-05-16 | 2023-06-23 | 珠海科瑞思科技股份有限公司 | Elliptic cylinder magnetic core paper winding equipment |
| CN117524717A (en) * | 2024-01-04 | 2024-02-06 | 河北天威华瑞电气有限公司 | Transformer winding device with insulating paper winding mechanism and working method thereof |
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| CN108648903A (en) * | 2018-06-15 | 2018-10-12 | 珠海航宇自动化设备有限公司 | A kind of transformer sleeve-penetrating and around hanging wire all-in-one machine |
| CN109103015A (en) * | 2018-10-15 | 2018-12-28 | 江苏北辰互邦电力股份有限公司 | A kind of automatic winder for electric transformer coil and its winding method of two-way coiling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564308A (en) * | 2020-04-14 | 2020-08-21 | 中节能西安启源机电装备有限公司 | Winding and pressing device for foil type winding equipment and winding method of foil tape coil |
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| CN111986917A (en) * | 2020-08-12 | 2020-11-24 | 浙江中能变压器有限公司 | Push type rotary platform for processing dry type transformer winding |
| CN111986917B (en) * | 2020-08-12 | 2022-11-29 | 浙江中能变压器有限公司 | Push type rotary platform for processing dry type transformer winding |
| CN112908690A (en) * | 2021-01-15 | 2021-06-04 | 重庆仟知佳科技有限公司 | Multifunctional winding machine for inductor production |
| CN114883108A (en) * | 2022-04-20 | 2022-08-09 | 岳西县天鹅电子科技有限公司 | Transformer winding platform for charger and control system thereof |
| CN116313492A (en) * | 2023-05-16 | 2023-06-23 | 珠海科瑞思科技股份有限公司 | Elliptic cylinder magnetic core paper winding equipment |
| CN116313492B (en) * | 2023-05-16 | 2023-09-29 | 珠海科瑞思科技股份有限公司 | Elliptic cylinder magnetic core paper winding equipment |
| CN117524717A (en) * | 2024-01-04 | 2024-02-06 | 河北天威华瑞电气有限公司 | Transformer winding device with insulating paper winding mechanism and working method thereof |
| CN117524717B (en) * | 2024-01-04 | 2024-03-12 | 河北天威华瑞电气有限公司 | Transformer winding device with insulating paper winding mechanism and working method thereof |
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