CN113666163A - Amorphous thin strip winding and changing device for amorphous transformer - Google Patents
Amorphous thin strip winding and changing device for amorphous transformer Download PDFInfo
- Publication number
- CN113666163A CN113666163A CN202111032656.8A CN202111032656A CN113666163A CN 113666163 A CN113666163 A CN 113666163A CN 202111032656 A CN202111032656 A CN 202111032656A CN 113666163 A CN113666163 A CN 113666163A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
- B65H19/305—Inserting core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/173—Metal
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- Winding Of Webs (AREA)
Abstract
The invention discloses an amorphous thin strip winding and rewinding device for an amorphous transformer, which comprises a machine base, wherein a winding machine is fixedly arranged on one side of the machine base, and a rewinding machine is slidably arranged on the machine base on one side of the winding machine; the winding machine comprises a winding seat, an axle box, a hollow main shaft, a tensioning seat, a winding belt disc, a reel changing and tensioning shaft mechanism, a tensioning shaft driving device and a winding driving device; the coil changing machine comprises a coil changing seat, a rotating seat, a rotary driving device, a horizontal shaft sleeve, a coil assembly and a coil supporting assembly; during operation, the roll changing machine moves towards the winding machine, the roll coil supporting component and the roll changing shaft expanding mechanism are matched to act, the roll coil core is mounted on the winding machine, the winding driving device is started to start winding, the amorphous thin strip is wound between the roll coil component of the winding roll disk and the roll changing machine, the flatness of the roll coil can be guaranteed, after winding is completed, the roll coil is conveyed away and unloaded by the roll changing machine, the whole process is automatically completed by the winding machine and the roll changing machine, time and labor are saved, and the working efficiency is high.
Description
Technical Field
The invention relates to amorphous thin strip processing equipment, in particular to an amorphous thin strip winding and rewinding device for an amorphous transformer.
Background
The amorphous thin-strip iron core for the amorphous transformer requires that an amorphous thin strip is compounded by a plurality of layers of thin strips during winding, and the existing production process and equipment need manual operation when an amorphous thin-strip coil is replaced or a broken strip is reconnected, so that the labor intensity is high, serious potential safety hazard exists in the operation, and the production efficiency is low.
In the production process of compounding the amorphous thin strip, the compounded strip coil needs to be changed and the roll core needs to be changed, the strip coil cannot be unloaded manually due to the very heavy weight of the strip coil, and the general heavy equipment is inconvenient to unload the strip coil due to the particularity of the amorphous strip; how to rapidly and safely unload the coil after completion from the winding machine and rapidly complete the loading of a new winding core is an important link related to the composite production efficiency of the amorphous thin strip.
Disclosure of Invention
The invention aims to solve the technical problem of providing an amorphous thin strip winding and changing device for an amorphous transformer, which can automatically and quickly complete the unloading of a composite strip coil and the replacement of an empty winding core.
In order to solve the technical problems, the technical scheme of the invention is as follows: the amorphous thin strip winding and rewinding device for the amorphous transformer comprises a base, wherein a winding machine is fixedly installed on one side of the base, and a rewinding machine is slidably installed on the base on one side of the winding machine;
the winding machine comprises a winding seat fixedly mounted on a machine base, an axle box is fixedly mounted on the winding seat, a hollow main shaft is rotatably mounted in the axle box, one end, facing the reel changer, of the main shaft extends out of one side of the axle box and is fixedly provided with a tensioning seat, a winding reel is mounted on the tensioning seat, a reel changing and shaft expanding mechanism extending out of the center of the winding reel is further mounted on the tensioning seat, and a shaft expanding driving device in transmission connection with the reel changing and shaft expanding mechanism is mounted in the main shaft; the other end of the main shaft extends out of the other side of the axle box and is connected with a winding driving device;
the lap changing machine comprises a lap changing seat slidably mounted on the base, a rotating seat is rotatably mounted on the lap changing seat, a rotary driving device is mounted between the rotating seat and the lap changing seat, two horizontal shaft sleeves extending in opposite directions are symmetrically mounted on the rotating seat, each horizontal shaft sleeve is rotatably mounted at the outer end of each horizontal shaft sleeve, and a belt reel assembly is mounted on the belt reel assembly.
As a preferable technical scheme, the reel changing and expanding shaft mechanism comprises four sliding rail grooves which are arranged on the expanding seat and distributed in the cross circumferential direction, each sliding rail groove is internally provided with an expanding slide block in a sliding manner, the outer end part of the expanding slide block facing the reel changer is provided with a guide roller, the circumferential inner sides of the four expanding slide blocks are connected with a cross seat, and an expanding connecting rod is hinged between each expanding slide block and the cross seat.
As a preferred technical scheme, the shaft expansion driving device comprises a push rod installed in an inner cavity of the main shaft, one end of the push rod is fixedly connected with the cross seat, the other end of the push rod is in transmission connection with a tension driving cylinder, and a cylinder body of the tension driving cylinder is fixedly connected with the main shaft.
As a preferred technical scheme, the rolling driving device comprises a main shaft servo motor fixedly mounted on the rolling seat, a synchronous belt wheel is mounted on the main shaft, and a synchronous belt is mounted between the power output end of the main shaft servo motor and the synchronous belt wheel.
As a preferable technical solution, a rear cover is installed at one end of the axle box far from the reel changer.
As a preferred technical scheme, a bearing seat is installed on the reel changing seat, the rotating seat extends into the bearing seat, and a rotating bearing is installed between the rotating seat and the bearing seat.
As a preferred technical scheme, rotary driving device includes fixed mounting and is in gear wheel on the roating seat, change and install rotatory servo motor on the roll seat, rotatory servo motor's power take off end upwards extends to one side of gear wheel and transmission be connected with the pinion that gear wheel meshing is connected.
As a preferable technical solution, the tape reel assembly includes a reel shaft rotatably mounted in the horizontal shaft sleeve, one end of the reel shaft extends out of the horizontal shaft sleeve and is fixedly mounted with a reel changing reel, and the tape reel supporting assembly is mounted on the reel changing reel.
As a preferable technical solution, the tape roll support assembly includes four tape roll supports installed on the tape changing reel in a cross-shaped circumferential distribution, the outer end of the tape roll support is provided with a sharp corner, and two sides of the sharp corner form a guiding inclined plane.
As a preferred technical scheme, the base is provided with a linear guide rail, the bottom of the reel changing seat is provided with a sliding block matched with the linear guide rail, and the base is provided with a reel changing moving cylinder in transmission connection with the reel changing seat.
Due to the adoption of the technical scheme, the amorphous thin belt winding and rewinding device for the amorphous transformer comprises a base, wherein a winding machine is fixedly arranged on one side of the base, and a rewinding machine is slidably arranged on the base on one side of the winding machine; the winding machine comprises a winding seat fixedly mounted on a machine base, an axle box is fixedly mounted on the winding seat, a hollow main shaft is rotatably mounted in the axle box, one end, facing the reel changer, of the main shaft extends out of one side of the axle box and is fixedly provided with a tensioning seat, a winding reel is mounted on the tensioning seat, a reel changing and shaft expanding mechanism extending out of the center of the winding reel is further mounted on the tensioning seat, and a shaft expanding driving device in transmission connection with the reel changing and shaft expanding mechanism is mounted in the main shaft; the other end of the main shaft extends out of the other side of the axle box and is connected with a winding driving device; the coil changing machine comprises a coil changing seat which is slidably arranged on the machine base, a rotating seat is rotatably arranged on the coil changing seat, a rotary driving device is arranged between the rotating seat and the coil changing seat, two horizontal shaft sleeves extending in opposite directions are symmetrically arranged on the rotating seat, a tape reel assembly is rotatably arranged at the outer end part of each horizontal shaft sleeve, and a tape reel supporting assembly is arranged on the tape reel assembly; the winding machine and the rewinder are matched to complete winding and rewinding, in operation, the rewinder moves towards the winding machine, the coil support assembly and the rewinding shaft expanding mechanism are matched to act to mount a coil core on the winding machine, the winding driving device is started to start winding, the amorphous thin strip is wound between the coil winding disc assembly of the winding disc and the coil rewinder, the flatness of the coil can be guaranteed, after winding is completed, the coil is conveyed away by the rewinder and is unloaded, the whole process is automatically completed by the winding machine and the rewinder, time and labor are saved, and the working efficiency is high.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is a side view of the reel change spool mechanism and the tape roll support assembly of an embodiment of the present invention;
FIG. 4 is a perspective view of the reel change spindle mechanism and the coil support assembly of the present invention in an assembled state;
FIG. 5 is a perspective view showing the connection state of the reel changing mechanism and the reel supporting member according to the embodiment of the present invention;
in the figure: 11-a machine base; 12-a linear guide; 13-reel change moving cylinder; 21-a winding seat; 22-axle boxes; 23-a main shaft; 31-a tensioning seat; 32-a take-up reel; 33-a slide rail groove; 34-a tensioning slide block; 35-guide rollers; 36-a cross seat; 37-a tension connecting rod; 38-a top rod; 39-tensioning driving cylinder; 41-spindle servo motor; 42-a synchronous belt; 43-rear cover; 51-reel changing seat; 52-a rotating base; 53-horizontal shaft sleeve; 61-a bearing seat; 62-a bull gear; 63-a rotary servomotor; 64-pinion gear; 71-a reel shaft; 72-reel change reel; 73-tape roll holder.
Detailed Description
The invention is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 5, the amorphous thin strip winding and rewinding device for the amorphous transformer comprises a base 11, wherein a winding machine is fixedly mounted on one side of the base 11, and a rewinding machine is slidably mounted on the base 11 on one side of the winding machine; the winding machine comprises a winding seat 21 fixedly installed on a machine base 11, an axle box 22 is fixedly installed on the winding seat 21, a hollow main shaft 23 is rotatably installed in the axle box 22, one end, facing the reel changer, of the main shaft 23 extends out of one side of the axle box 22 and is fixedly provided with a tensioning seat 31, a winding reel 32 is installed on the tensioning seat 31, and the winding reel 32 is used for clamping and limiting when a coil is wound so as to ensure the flatness of the coil; the tensioning seat 31 is also provided with a reel changing and tensioning mechanism extending out of the center of the take-up reel 32, and a tensioning shaft driving device in transmission connection with the reel changing and tensioning mechanism is arranged in the main shaft 23; the other end of the main shaft 23 extends out of the other side of the axle box 22 and is connected with a winding driving device; the coil changing machine comprises a coil changing seat 51 slidably mounted on the machine base 11, a rotating seat 52 is rotatably mounted on the coil changing seat 51, a rotary driving device is mounted between the rotating seat 52 and the coil changing seat 51, two horizontal shaft sleeves 53 extending in opposite directions are symmetrically mounted on the rotating seat 52, a tape reel assembly is rotatably mounted at the outer end of each horizontal shaft sleeve 53, and a tape reel supporting assembly is mounted on the tape reel assembly.
The reel changing and shaft expanding mechanism comprises four sliding rail grooves 33 which are arranged on the expanding seat 31 and distributed in the cross circumferential direction, each sliding rail groove 33 is internally provided with an expanding sliding block 34 in a sliding mode, the outer end portion, facing the reel changing machine, of each expanding sliding block 34 is provided with a guide roller 35, the circumferential inner sides of the four expanding sliding blocks 34 are connected with cross seats 36, a tension connecting rod 37 is hinged between each expanding sliding block 34 and each cross seat 36, and two ends of each tension connecting rod 37 are hinged to the cross seats 36 and the expanding sliding blocks 34 through pin shafts respectively. The shaft expansion driving device comprises a push rod 38 installed in the inner cavity of the main shaft 23, one end of the push rod 38 is fixedly connected with the cross seat 36, the other end of the push rod 38 is connected with a tension driving cylinder 39 in a transmission mode, and a cylinder body of the tension driving cylinder 39 is fixedly connected with the main shaft 23.
When the tape roll core is tensioned, the tensioning driving cylinder 39 drives the ejector rod 38 to move back and forth, when a plunger of the tensioning driving cylinder 39 extends forwards, the ejector rod 38 is linked to move forwards, the cross seat 36 mounted at the end part of the ejector rod 38 drives the four tensioning connecting rods 37 to move forwards, at the moment, the four tensioning connecting rods 37 form an angle with an axial plane, the angle of the four tensioning connecting rods 37 is changed along with the forward movement of the cross seat 36, the four tensioning sliding blocks 34 are pushed by the pin shaft to move outwards, the tensioning of the tape roll core is realized, otherwise, the tensioning sliding blocks 34 move inwards, the tensioning diameter is reduced, and the tensioning effect is relieved.
The winding driving device comprises a main shaft servo motor 41 fixedly installed on the winding seat 21, a synchronous belt wheel is installed on the main shaft 23, and a synchronous belt 42 is installed between the power output end of the main shaft servo motor 41 and the synchronous belt wheel. A rear cover 43 is mounted to the end of the axle housing 22 remote from the reel changer.
A synchronous pulley is installed at the tail end of the main shaft 23, the rotation transmission is realized through a synchronous belt 42 and a main shaft servo motor 41 fixed on the base 11, and a rear cover 43 is installed at the tail end of the axle box 22 to prevent dust from entering the axle box 22. The winding seat 21 is provided with a belt type winding aid (the mechanism is conventional technology and is not described in detail), the winding aid plays a role in assisting winding when the thin belt starts to be wound, and the winding aid retreats and withdraws from a winding aid position after the thin belt is wound for a certain number of turns. And a laser distance measuring instrument is arranged below the reel changing and expanding shaft mechanism and is used for measuring the winding diameter of the reel.
Install bearing frame 61 on the seat 51 of changing a roll, the roating seat 52 stretches into in the bearing frame 61 just roating seat 52 with install rolling bearing between the bearing frame 61, roating seat 52 with install two rolling bearing that distribute from top to bottom between the bearing frame 61.
The rotary driving device comprises a large gear 62 fixedly installed on the rotary seat 52, a rotary servo motor 63 is installed on the roll changing seat 51, and a power output end of the rotary servo motor 63 upwards extends to one side of the large gear 62 and is connected with a small gear 64 in a transmission mode, wherein the small gear 64 is connected with the large gear 62 in a meshed mode.
The tape reel assembly comprises a tape reel shaft 71 rotatably mounted in the horizontal shaft sleeve 53, one end of the tape reel shaft 71 extends out of the horizontal shaft sleeve 53 and is fixedly provided with a reel changing disk 72, and the tape roll supporting assembly is mounted on the reel changing disk 72. The tape roll supporting component comprises four tape roll supports 73 which are distributed and installed on the tape changing reel 72 in a crossed circumferential direction, the outer end parts of the tape roll supports 73 are provided with sharp corners, and guide inclined planes are formed on two sides of the sharp corners.
Install linear guide 12 on the frame 11, the bottom of roll changing seat 51 install with linear guide 12 complex slider, install on the frame 11 with roll changing seat 51 transmission connection's roll changing removes cylinder 13.
Description of automatic roll change: starting the coil-changing moving cylinder 13 to drag the coil-changing machine to move towards the direction of the winding machine (the coil core is sleeved on the coil support 73), the cross-shaped coil support 73 on the coil-changing machine is inserted into the cross tensioning slide block 34 on the winding machine, at the moment, the tensioning slide block 34 is in a diameter reduction state, the diameter is smaller than the diameter of the coil, along with the approach of the coil-changing machine, because the angle of the main shaft 23 of the winding machine is not fixed with the angle of the coil support 73 of the coil-changing machine, the sharp angle at the front end of the cross coil support 73 on the coil-changing machine is contacted with the guide roller 35 on the cross tensioning slide block 34 on the winding machine, because the two sides of the sharp angle of the coil support 73 are guide inclined planes, the coil support 73 of the coil-changing machine is inserted into the cross tensioning slide block 34 of the winding machine in a crossed alignment manner under the action of the guide roller 35, starting the tensioning driving cylinder 39 to act, and the cross support 36 is linked under the pushing action of the ejector rod 38, The tension connecting rod 37 makes the tension slide block 34 move outwards to tension the tape roll core on the tape roll support 73 of the rewinder, and at the moment, the tape roll core is clamped by the winding tape disk 32 arranged on the winder and the rewinding tape disk 72 arranged on the rewinder, and the two tape disks are used for winding and flattening the end face of the wound thin tape.
Starting a main shaft servo motor 41 to drag a main shaft 23 of a winding machine to rotate, dragging the main shaft 23 to rotate together with a coil changing machine by the main shaft 23, conveying a plurality of layers of amorphous thin strips to a coil winding core by a conveying belt, completing coil assisting by a coil assisting machine, starting coil winding of the thin strips, measuring the coil in real time by a laser distance meter arranged below the coil, stopping the rotation of the main shaft 23 when the diameter of the coil reaches a set value of a winding diameter, releasing a cross tensioning slide block 34 of the winding machine, reducing the diameter of the tensioning slide block 34, dropping a bearing of the coil on a coil support 73 of the coil changing machine, starting a coil changing moving cylinder 13 to drag a moving machine base 11 to move backwards, separating the wound coil from the cross tensioning slide block 34 of the winding machine along with the movement of the coil changing machine, continuing to move to the rear end to stop, starting a rotary servo motor 63, and meshing with a large gear 62 on a rotary base 52 through a small gear 64 on the rotary servo motor 63, dragging the rotating seat 52 to rotate 180 degrees, unloading the finished product tape roll, loading the tape roll core, and moving the roll changer forwards to complete the rolling and roll changing of the amorphous thin tape.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Amorphous thin rolling of taking roll device that trades for amorphous transformer, including the frame, its characterized in that: a winding machine is fixedly installed on one side of the machine base, and a coil changing machine is installed on the machine base on one side of the winding machine in a sliding mode;
the winding machine comprises a winding seat fixedly mounted on a machine base, an axle box is fixedly mounted on the winding seat, a hollow main shaft is rotatably mounted in the axle box, one end, facing the reel changer, of the main shaft extends out of one side of the axle box and is fixedly provided with a tensioning seat, a winding reel is mounted on the tensioning seat, a reel changing and shaft expanding mechanism extending out of the center of the winding reel is further mounted on the tensioning seat, and a shaft expanding driving device in transmission connection with the reel changing and shaft expanding mechanism is mounted in the main shaft; the other end of the main shaft extends out of the other side of the axle box and is connected with a winding driving device;
the lap changing machine comprises a lap changing seat slidably mounted on the base, a rotating seat is rotatably mounted on the lap changing seat, a rotary driving device is mounted between the rotating seat and the lap changing seat, two horizontal shaft sleeves extending in opposite directions are symmetrically mounted on the rotating seat, each horizontal shaft sleeve is rotatably mounted at the outer end of each horizontal shaft sleeve, and a belt reel assembly is mounted on the belt reel assembly.
2. The amorphous thin strip winding and unwinding device for the amorphous transformer as claimed in claim 1, wherein: the reel changing and expanding shaft mechanism comprises four sliding rail grooves which are arranged on the expanding seat and distributed in the cross circumferential direction, each sliding rail groove is internally provided with an expanding sliding block in a sliding mode, the expanding sliding blocks are provided with guide rollers facing to the outer end part of the reel changing machine, the circumferential inner sides of the four expanding sliding blocks are connected with cross seats, and each expanding sliding block and each cross seat are hinged with an expanding connecting rod.
3. The amorphous thin strip winding and unwinding device for the amorphous transformer as claimed in claim 2, wherein: the expansion shaft driving device comprises a push rod arranged in the inner cavity of the main shaft, one end of the push rod is fixedly connected with the cross seat, the other end of the push rod is in transmission connection with an expansion driving cylinder, and a cylinder body of the expansion driving cylinder is fixedly connected with the main shaft.
4. The amorphous thin strip winding and unwinding device for the amorphous transformer as claimed in claim 1, wherein: the winding driving device comprises a main shaft servo motor fixedly installed on the winding seat, a synchronous belt wheel is installed on the main shaft, and a synchronous belt is installed between the power output end of the main shaft servo motor and the synchronous belt wheel.
5. The amorphous thin strip winding and unwinding device for the amorphous transformer as claimed in claim 1, wherein: and a rear cover is arranged at one end of the axle box, which is far away from the reel changer.
6. The amorphous thin strip winding and unwinding device for the amorphous transformer as claimed in claim 1, wherein: the reel changing seat is provided with a bearing seat, the rotating seat extends into the bearing seat, and a rotating bearing is arranged between the rotating seat and the bearing seat.
7. The amorphous thin strip winding and unwinding device for the amorphous transformer as claimed in claim 1, wherein: the rotary driving device comprises a large gear fixedly installed on the rotary seat, a rotary servo motor is installed on the reel changing seat, and a power output end of the rotary servo motor extends upwards to one side of the large gear and is connected with a small gear in a transmission mode, wherein the small gear is connected with the large gear in a meshed mode.
8. The amorphous thin strip winding and unwinding device for the amorphous transformer as claimed in claim 1, wherein: the tape reel assembly comprises a tape reel shaft which is rotatably arranged in the horizontal shaft sleeve, one end of the tape reel shaft extends out of the horizontal shaft sleeve and is fixedly provided with a reel changing reel, and the tape reel supporting assembly is arranged on the reel changing reel.
9. The amorphous thin strip winding and unwinding device for the amorphous transformer according to claim 8, wherein: the tape roll supporting component comprises four tape roll supports which are arranged on the tape changing disc in a crossed circumferential distribution mode, the outer end portion of each tape roll support is provided with a sharp corner, and guide inclined planes are formed on two sides of each sharp corner.
10. The amorphous thin strip winding and rewinding device for an amorphous transformer as claimed in any one of claims 1 to 9, wherein: the base is provided with a linear guide rail, the bottom of the reel changing seat is provided with a slide block matched with the linear guide rail, and the base is provided with a reel changing moving cylinder connected with the reel changing seat in a transmission way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111032656.8A CN113666163B (en) | 2021-09-03 | 2021-09-03 | Amorphous transformer amorphous thin strip winding and changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111032656.8A CN113666163B (en) | 2021-09-03 | 2021-09-03 | Amorphous transformer amorphous thin strip winding and changing device |
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| Publication Number | Publication Date |
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| CN113666163A true CN113666163A (en) | 2021-11-19 |
| CN113666163B CN113666163B (en) | 2023-04-18 |
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| CN202111032656.8A Active CN113666163B (en) | 2021-09-03 | 2021-09-03 | Amorphous transformer amorphous thin strip winding and changing device |
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| CN115303857A (en) * | 2022-07-12 | 2022-11-08 | 宁波太平洋包装带有限公司 | Improved packaging tape winding machine |
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