CN111181331B - Motor rotor winding machine - Google Patents
Motor rotor winding machine Download PDFInfo
- Publication number
- CN111181331B CN111181331B CN202010136788.4A CN202010136788A CN111181331B CN 111181331 B CN111181331 B CN 111181331B CN 202010136788 A CN202010136788 A CN 202010136788A CN 111181331 B CN111181331 B CN 111181331B
- Authority
- CN
- China
- Prior art keywords
- block
- fixedly arranged
- motor
- rotor
- winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a motor rotor winding machine, which comprises an operation table arranged on the ground, wherein a first motor is arranged in the upper surface of the left side of the operation table, the upper end of the first motor is connected with a first rotating shaft, the upper end of the first rotating shaft is fixedly provided with a connecting block positioned in an inner hole cavity of a rotor, three extrusion mechanisms which are abutted against the inner cavity of the rotor and used for fixing an annular array of the rotor are fixedly arranged on the connecting block, and a copper wire wound on an iron core is very tight due to the rotation resistance of a wheel shaft during winding, so that the winding quality is better and the subsequent processing is convenient; the winding needle can slowly move left and right while rotating in a square shape, so that the copper wire can be uniformly and tightly wound on the iron core; turn into the wire winding of square movement orbit with the rotation of motor, wire winding is efficient and accurate.
Description
Technical Field
The invention relates to the related technical field of motors, in particular to a motor rotor winding machine.
Background
The winding machine is equipment for winding a linear object on a specific workpiece, is usually used for winding a copper wire, most of electric products need to be wound into an inductance coil by an enameled copper wire, and the winding machine can be used for finishing one or more processes, such as: various motors, coreless motors, rotors, stators, transformers, electromagnetic valves, resistor discs, ignition coils, transformers, acoustic coils, focusing coils, and the like,
the motor rotor winding machine is used for winding a copper wire on a motor rotor, so that manual winding is gradually replaced at present, but the motor rotor winding machine is not quite popular, and the current winding machine technology is not quite mature, so that compared with manual winding, although the speed is greatly improved, the quality is poor, for example, the wire wound on an iron core is quite loose, and the copper wire needs to be subsequently bundled and fixed; the present invention sets forth a device that solves the above-mentioned problems, since the distance between the cores is small and the wound wire may be very uneven and not look nice.
Disclosure of Invention
The invention aims to provide a motor rotor winding machine which is used for overcoming the defects in the prior art.
The motor rotor winding machine comprises an operation table arranged on the ground, wherein a first motor is arranged in the upper surface of the left side of the operation table, the upper end of the first motor is connected with a first rotating shaft, the upper end of the first rotating shaft is fixedly provided with a connecting block positioned in an inner hole cavity of the rotor, three extrusion mechanisms which are abutted against the inner cavity of the rotor and are used for fixing the annular array of the rotor are fixedly arranged on the connecting block, a feeding cavity with an opening at the upper side is arranged in the upper surface at the right side of the operating platform, a second motor is fixedly arranged on the right wall of the feeding cavity, the left side of the second motor is connected with a threaded rod with the left end rotatably connected with the left wall of the feeding cavity, the threaded rod is provided with two nuts which are symmetrical in left and right positions, a bearing block which is connected with the feeding cavity in a sliding mode is fixedly arranged on each nut, and a winding mechanism used for winding the rotor is arranged on the upper side of each bearing block.
In addition, in one embodiment, the winding mechanism includes a motor base fixedly arranged on the right side of the upper surface of the bearing block, a third motor is fixedly arranged on the motor base, the left side of the third motor is connected with a second rotating shaft, the second rotating shaft penetrates through and is rotatably connected to a rail block fixedly arranged on the upper surface of the left side of the bearing block, a square rail is arranged inside the left surface of the rail block, and a conversion structure which is used for converting a circular rotation motion into a square rotation motion and is in sliding connection with the rail is fixedly arranged at the left end of the second rotating shaft.
In addition, in one embodiment, the conversion mechanism includes a rotating block fixedly arranged on the second rotating shaft, a spring cavity is arranged in the rotating block, a first spring is fixedly arranged on the bottom wall of the spring cavity, a pushing block slidably connected to the spring cavity is fixedly arranged at the top end of the first spring, a fixed block is fixedly arranged at the top end of the pushing block, and a winding needle slidably connected to the track is fixedly connected to and penetrates through the fixed block.
In addition, in one embodiment, a wire outlet hole is formed in the left end of the winding needle, a wire inlet hole is formed in the right end of the winding needle, supporting plates which are symmetrical in left and right positions are fixedly arranged on the upper surface of the operating platform, a rope shaft is rotatably connected between the supporting plates, and a copper wire penetrating into the wire inlet hole and penetrating out of the wire outlet hole is wound on the rope shaft.
In addition, in one embodiment, the pressing mechanism includes a supporting block fixedly arranged on the connecting block, a spring space is arranged in the supporting block, an electromagnet is fixedly arranged at one end of the spring space close to the connecting block, a second spring is fixedly arranged at one end of the electromagnet far away from the connecting block, a permanent magnet slidably connected to the spring space is fixedly arranged at one end of the second spring far away from the connecting block, a push rod is fixedly arranged at one end of the permanent magnet far away from the connecting block, a pressing block is fixedly arranged at one end of the push rod far away from the connecting block, and a friction pad is fixedly arranged at one end of the pressing block far away from the connecting block.
Additionally, in one embodiment, the track block is replaceable to accommodate different sizes of the rotor.
The invention has the beneficial effects that: during winding, the copper wire is tensioned due to the resistance of the rotation of the wheel shaft, so that the copper wire wound on the iron core is very tight, the winding quality is better, and the subsequent processing is convenient; the winding needle can slowly move left and right while rotating in a square shape, so that the copper wire can be uniformly and tightly wound on the iron core; the rotation of the motor is converted into the winding of a square motion track, and the winding efficiency is high and accurate; after the iron core is wound, the iron core can automatically rotate and wind the next iron core, and the continuity of winding is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a motor rotor winding machine according to the present invention;
FIG. 2 is a schematic view of the present invention taken along the line A-A of FIG. 1;
FIG. 3 is a schematic view of the present invention taken along the line B-B of FIG. 1;
fig. 4 is an enlarged view of the invention at C in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 4, a motor rotor winding machine according to an embodiment of the present invention includes an operation table 20 installed on a ground, a first motor 40 is disposed in an upper surface of a left side of the operation table 20, an upper end of the first motor 40 is connected to a first rotating shaft 39, an upper end of the first rotating shaft 39 is fixedly provided with a connecting block 38 located in a rotor inner cavity 37, three pressing mechanisms 801 abutted to the rotor inner cavity 37 and used for fixing an annular array of a rotor 41 are fixedly provided on the connecting block 38, a feeding cavity 23 with an upper side opening is disposed in an upper surface of a right side of the operation table 20, a second motor 25 is fixedly provided on a right wall of the feeding cavity 23, a threaded rod 22 with a left end rotatably connected to a left wall of the feeding cavity 23 is connected to a left side of the second motor 25, two nuts 21 symmetrical to a left and right side are provided on the threaded rod 22, a bearing block 24 slidably connected to the feeding cavity 23 is fixedly provided on the nut 21, the upper side of the bearing block is provided with a winding mechanism 802 for winding a rotor, when the first motor 40 is started, the rotation of the first motor 40 drives the rotor 41 to rotate through the first rotating shaft 39, the connecting block 38 and the extruding mechanism 801 and the winding continuity is realized, after one iron core of the rotor 41 finishes winding, the first motor 40 rotates to the next iron core and continues winding operation, when the second motor 25 is started, the second motor 25 drives the threaded rod 22 to rotate, and as the bearing block 24 is in sliding connection with the feeding cavity 23, the bearing block 24 cannot rotate and limits the axial rotation of the nut 21, so that the rotation of the threaded rod 22 is converted into the left-right movement of the nut 21 and the bearing block 24 and the feeding and withdrawing are realized.
In addition, in an embodiment, the winding mechanism 802 includes a motor base 26 fixedly disposed on the right side of the upper surface of the bearing block 24, a third motor 27 is fixedly disposed on the motor base 26, a second rotating shaft 28 is connected to the left side of the third motor 27, the second rotating shaft 28 penetrates and is rotatably connected to a rail block 32 fixedly disposed on the upper surface of the left side of the bearing block 24, a square rail 31 is disposed inside the left side surface of the rail block 32, and a conversion structure 803, which is slidably connected to the rail 31 and is used for converting a circular rotation motion into a square rotation motion, is fixedly disposed at the left end of the second rotating shaft 28.
In addition, in one embodiment, the converting mechanism 803 includes a rotating block 33 fixed to the second rotating shaft 28, a spring cavity 43 is arranged in the rotating block 33, a first spring 42 is fixedly arranged on the bottom wall of the spring cavity 43, the top end of the first spring 42 is fixedly provided with a push block 55 which is slidably connected with the spring cavity 43, the top end of the push block 55 is fixedly provided with a fixed block 30, the fixed block 30 is fixedly connected with and penetrated by a winding needle 34 which is slidably connected with the track 31, the rotation of the second rotating shaft 28 drives the rotating block 33 to rotate, and drives the winding needle 34 to rotate through the pushing block 55 and the fixed block 30, since the winding needle 34 is slidably connected to the rail 31 and the first spring 42 is connected to the push block 55, the distance between the winding needle 34 and the second rotating shaft 28 is variable, so that the winding needle 34 can perform a square rotating motion along the rail 31.
In addition, in one embodiment, the left end of the winding needle 34 is provided with an outlet hole 35, the right end of the winding needle 34 is provided with a wire inlet hole 52, the upper surface of the operating platform 20 is fixedly provided with support plates 53 which are symmetrical left and right, a rope shaft 54 is rotatably connected between the support plates 53, the rope shaft 54 is wound with a copper wire 36 which penetrates into the wire inlet hole 52 and penetrates out of the outlet hole 35, and the copper wire 36 is tensioned because a small force is not required for driving the rope shaft 54 to rotate during winding, so that the wire wound on the iron core of the rotor 41 by the winding needle 34 is tightly attached to the iron core to facilitate the subsequent processing of the rotor 41.
In addition, in one embodiment, the pressing mechanism 801 includes a supporting block 47 fixed to the connecting block 38, a spring space 49 is provided in the supporting block 47, an electromagnet 51 is fixed at an end of the spring space 49 close to the connecting block 38, a second spring 50 is fixed at an end of the electromagnet far from the connecting block 38, a permanent magnet 48 slidably connected to the spring space 49 is fixed at an end of the second spring far from the connecting block 38, a push rod 46 is fixed at an end of the permanent magnet 48 far from the connecting block 38, a pressing block 45 is fixed at an end of the push rod 46 far from the connecting block 38, a friction pad 44 is fixed at an end of the pressing block far from the connecting block 38, the second spring 50 is pulled and makes the pressing block 45 abut against the supporting block 47, and when the electromagnet 51 is powered, a repulsive force between the electromagnet 51 and the permanent magnet 48 is greater than a pulling force of the second spring 50 and passes through the second spring 50 The push rod 46, the pressing block 45 and the friction pad 44 are connected until the friction pad 44 abuts against the side wall of the rotor inner cavity 37 and fixes the rotor 41, and when the electromagnet 51 is powered off, the friction pad 44 is pulled back under the tension of the second spring 50 until the pressing block 45 abuts against the supporting block 47.
Additionally, in one embodiment, the track block 32 can be replaced to accommodate different sizes of the rotor 41.
In the initial state, the first spring 42 and the second spring 50 are under tension, the pressing block 45 abuts against the supporting block 47, and the bearing block 24 is located at the rightmost end.
When the winding operation is required, the electromagnet 51 is electrified, the repulsive force between the electromagnet 51 and the permanent magnet 48 is larger than the pulling force of the second spring 50, the rotor 41 is fixed by the push rod 46, the extrusion block 45 and the friction pad 44 until the friction pad 44 abuts against the side wall of the rotor inner cavity 37,
then the second motor 25 is started, the second motor 25 drives the threaded rod 22 to rotate, the bearing block 24 cannot rotate and limits the axial rotation of the nut 21 because the bearing block 24 is connected with the feeding cavity 23 in a sliding manner, so that the rotation of the threaded rod 22 is converted into the left-right movement of the nut 21 and the bearing block 24 and the feeding and withdrawing are realized, the winding needle 34 threaded with the copper wire 36 is moved to the middle of the iron core of the rotor 41 to the left,
then the third motor 27 is started, the rotation of the second rotating shaft 28 drives the rotating block 33 to rotate, and the pushing block 55 and the fixing block 30 drive the winding needle 34 to rotate, because the winding needle 34 is connected with the track 31 in a sliding manner, the pushing block 55 is connected with the first spring 42, the distance between the winding needle 34 and the second rotating shaft 28 is variable, so that the winding needle 34 can do a square rotation motion along the track 31 and wind the copper wire 36 on the iron core of the rotor 41, at this time, the second motor 25 will slowly rotate in the forward and reverse directions, so that the winding needle 34 moves left and right slowly, so that the winding needle 34 winds the copper wire 36 on the iron core of the rotor 41 evenly, because no small force is needed to drive the rope shaft 54 to rotate during winding, the copper wire 36 is tensioned, and therefore, the wire wound on the iron core of the rotor 41 by the winding needle 34 is also tightly attached to the iron core to facilitate the subsequent processing of the rotor 41,
after one iron core of the rotor 41 finishes winding, the first motor 40 is started, the rotation of the first motor 40 drives the rotor 41 to axially rotate through the first rotating shaft 39, the connecting block 38 and the squeezing mechanism 801, and the rotor 41 rotates to the next iron core to facilitate the winding operation of the winding needle 34 to continue, so that the winding continuity is realized, and the first motor 40 is turned off.
After winding, the third motor 27 is turned off, the bearing block 24 is moved to the rightmost end, and then the second motor 25 is turned off, so that the electromagnet 51 is powered off, the rotor 41 with wound wires is taken down, and the initial state is returned.
The invention has the beneficial effects that: during winding, the copper wire is tensioned due to the resistance of the rotation of the wheel shaft, so that the copper wire wound on the iron core is very tight, the winding quality is better, and the subsequent processing is convenient; the winding needle can slowly move left and right while rotating in a square shape, so that the copper wire can be uniformly and tightly wound on the iron core; the rotation of the motor is converted into the winding of a square motion track, and the winding efficiency is high and accurate; after the iron core is wound, the iron core can automatically rotate and wind the next iron core, and the continuity of winding is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and scope of the present invention are intended to be included therein.
Claims (2)
1. The utility model provides a motor rotor coiling machine, is including installing in the operation panel on ground which characterized in that:
a first motor is arranged in the upper surface of the left side of the operating platform, the upper end of the first motor is connected with a first rotating shaft, the upper end of the first rotating shaft is fixedly provided with a connecting block positioned in an inner hole cavity of the rotor, three extrusion mechanisms which are abutted against the inner cavity of the rotor and used for fixing the annular array of the rotor are fixedly arranged on the connecting block,
a feeding cavity with an opening at the upper side is formed in the upper surface of the right side of the operating platform, a second motor is fixedly arranged on the right wall of the feeding cavity, the left side of the second motor is connected with a threaded rod with the left end rotatably connected with the left wall of the feeding cavity, two nuts with symmetrical left and right positions are arranged on the threaded rod, a bearing block in sliding connection with the feeding cavity is fixedly arranged on each nut, and a winding mechanism for winding a rotor is arranged on the upper side of each bearing block;
the winding mechanism comprises a motor base fixedly arranged on the right side of the upper surface of the bearing block, a third motor is fixedly arranged on the motor base, the left side of the third motor is connected with a second rotating shaft, the second rotating shaft penetrates through and is rotatably connected with a track block fixedly arranged on the upper surface of the left side of the bearing block, a square track is arranged inside the left surface of the track block, and a conversion structure which is used for converting circular rotation motion into square rotation motion and is in sliding connection with the track is fixedly arranged at the left end of the second rotating shaft;
the conversion mechanism comprises a rotating block fixedly arranged on the second rotating shaft, a spring cavity is arranged in the rotating block, a first spring is fixedly arranged on the bottom wall of the spring cavity, a pushing block which is connected with the spring cavity in a sliding manner is fixedly arranged at the top end of the first spring, a fixed block is fixedly arranged at the top end of the pushing block, and a winding needle which is connected with the track in a sliding manner is fixedly connected with the fixed block and penetrates through the fixed block;
a wire outlet hole is formed in the left end of the winding needle, a wire inlet hole is formed in the right end of the winding needle, supporting plates which are symmetrical in left and right positions are fixedly arranged on the upper surface of the operating platform, a rope shaft is rotatably connected between the supporting plates, and a copper wire penetrating into the wire inlet hole and penetrating out of the wire outlet hole is wound on the rope shaft;
the extrusion mechanism comprises a supporting block fixedly arranged on the connecting block, a spring space is arranged in the supporting block, an electromagnet is fixedly arranged at one end, close to the connecting block, of the spring space, a second spring is fixedly arranged at one end, far away from the connecting block, of the electromagnet, a permanent magnet is fixedly connected to the spring space in a sliding mode, a push rod is fixedly arranged at one end, far away from the connecting block, of the permanent magnet, an extrusion block is fixedly arranged at one end, far away from the connecting block, of the push rod, and a friction pad is fixedly arranged at one end, far away from the connecting block, of the extrusion block.
2. An electric motor rotor winder as claimed in claim 1, wherein: the track blocks can be replaced to accommodate different sizes of the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010136788.4A CN111181331B (en) | 2020-03-02 | 2020-03-02 | Motor rotor winding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010136788.4A CN111181331B (en) | 2020-03-02 | 2020-03-02 | Motor rotor winding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111181331A CN111181331A (en) | 2020-05-19 |
| CN111181331B true CN111181331B (en) | 2020-11-10 |
Family
ID=70658407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010136788.4A Active CN111181331B (en) | 2020-03-02 | 2020-03-02 | Motor rotor winding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111181331B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646301A (en) * | 2020-06-08 | 2020-09-11 | 王飞飞 | Wire nozzle type winding machine |
| CN114285237B (en) * | 2021-12-30 | 2022-12-30 | 江苏经贸职业技术学院 | Full-automatic automobile starting motor and oil pump motor rotor multilayer winding machine |
| CN115940550B (en) * | 2022-11-28 | 2023-12-05 | 湖南威斯特机电科技股份有限公司 | Comprehensive internal winding device for motor stator winding |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4428652B2 (en) * | 2004-10-12 | 2010-03-10 | アスモ株式会社 | Insulator, electric motor, and winding method |
| CN101196003B (en) * | 2006-12-04 | 2010-09-15 | 孙保平 | Straight line electric impact punner |
| JP5196895B2 (en) * | 2007-07-13 | 2013-05-15 | 日特エンジニアリング株式会社 | Winding method and winding device |
| KR100817540B1 (en) * | 2007-10-02 | 2008-03-27 | (주) 창성기연 | Coil winding device for core assembly of brushless motor for vehicle steering |
| JP2016146727A (en) * | 2015-02-09 | 2016-08-12 | トヨタ自動車株式会社 | Twist forming device |
| CN107394978A (en) * | 2017-05-04 | 2017-11-24 | 陈敬恩 | Rotor round trip flight fork coil winding machine can winding displacement mould, coil winding machine and its method for winding |
| CN207189179U (en) * | 2017-07-10 | 2018-04-06 | 舟山市宏基工业产品设计研究所 | A kind of polygon movement at the uniform velocity device |
| CN107986169B (en) * | 2017-12-01 | 2019-06-07 | 宜昌华鼎建筑工程有限公司 | A kind of lifting equipment of building machinery assembly |
| DE102018100016A1 (en) * | 2018-01-02 | 2019-07-04 | Elmotec Statomat Holding GmbH | Method and device for the production of rotors and stators, including the assembly of connecting wires |
| CN209088767U (en) * | 2018-12-24 | 2019-07-09 | 无锡嘉事达电机有限公司 | Rotor for auto starter clamping and positioning device |
| CN209358399U (en) * | 2018-12-25 | 2019-09-06 | 嘉兴藤飞精工科技有限公司 | Stator core coil winding machine tension automatic adjusting mechanism |
| CN209942535U (en) * | 2019-01-27 | 2020-01-14 | 上海同济高技术有限公司 | Marble threshold telescoping device |
| CN210007579U (en) * | 2019-08-09 | 2020-01-31 | 叁零陆(常州)电气有限公司 | kinds of rotor core balance clamp |
| CN110752726B (en) * | 2019-10-30 | 2020-12-18 | 浙江德硕电器有限公司 | Winding member applied to motor rotor |
| CN210053321U (en) * | 2019-12-27 | 2020-02-11 | 广东安承动力科技有限公司 | Motor stator goes into shell frock |
-
2020
- 2020-03-02 CN CN202010136788.4A patent/CN111181331B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111181331A (en) | 2020-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111181331B (en) | Motor rotor winding machine | |
| CN215496378U (en) | Winding machine | |
| CN114772393B (en) | Winding device and generator rotor manufacturing equipment using same | |
| CN114360896B (en) | Annular inductance winding device and winding method thereof | |
| CN212183357U (en) | Winding device for magnetic coil on stator | |
| CN212113462U (en) | High-voltage coil mold of pouring type dry-type transformer | |
| CN111847105B (en) | Auxiliary device is received to net twine for computer | |
| CN214205292U (en) | High-precision stator coil winding device | |
| CN209973956U (en) | Winding device | |
| CN213583498U (en) | Portable ferrite core equipment | |
| CN221304449U (en) | Support structure for winding inductance coil | |
| CN221125723U (en) | Wire winding device for inductor processing | |
| CN220723151U (en) | Power cable production winding device | |
| CN215439086U (en) | Manual-automatic multifunctional cable reel | |
| CN219620589U (en) | Cable winding device | |
| CN220664475U (en) | Auxiliary collection device for wires and cables | |
| CN218447369U (en) | Stranded conductor device of electron connecting wire | |
| CN219740069U (en) | Combined motor rotor skeleton | |
| CN219567129U (en) | Wire and cable winding equipment | |
| CN220617924U (en) | Wire winding machine convenient to maintenance | |
| CN220753232U (en) | Novel transformer winding device | |
| CN220617969U (en) | Automatic switching wire reel for enameled wire | |
| CN219738750U (en) | Coil winding and tensioning device for dry-type transformer | |
| CN217867446U (en) | Cable core synthesis traction mechanism | |
| CN217837909U (en) | Efficient winding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201021 Address after: Room 401-402, building C, No.10 Huangshan Road, Beigou street, Xinyi City, Xuzhou City, Jiangsu Province Applicant after: JIANGSU ZHUORAN ENGINEERING CONSULTING Co.,Ltd. Address before: 510700 No. 100, nongkesuo Road, Huangpu District, Guangzhou City, Guangdong Province Applicant before: Guangzhou Sitong Electronic Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |