CN109317032B - High-precision control magnetic stirring device - Google Patents
High-precision control magnetic stirring device Download PDFInfo
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- CN109317032B CN109317032B CN201811303285.0A CN201811303285A CN109317032B CN 109317032 B CN109317032 B CN 109317032B CN 201811303285 A CN201811303285 A CN 201811303285A CN 109317032 B CN109317032 B CN 109317032B
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- driving
- seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
- B01F33/453—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
Abstract
The invention discloses a high-precision control magnetic stirring device, which can improve the stirring effect and the control precision of the temperature in a container, can effectively improve the heat preservation effect by arranging a heating and heat preservation seat, wherein the periphery of the heating and heat preservation seat is heated by an electric heating wire, the bottom of the heating and heat preservation seat is provided with a ceramic heating seat, a heating rod and a copper block are used for heating the ceramic seat, the ceramic seat can ensure the precision of temperature control, and an inner driving magnetic steel and an outer driving magnetic steel of the high-precision control magnetic stirring device are driven to rotate in opposite directions, so that an outer magnetic stirring rotor and an inner magnetic stirring rotor in the container rotate in opposite directions, and the stirring efficiency and the stirring uniformity can be effectively improved.
Description
Technical Field
The invention relates to a high-precision control magnetic stirring device, and belongs to the technical field of magnetic stirring equipment.
Background
Magnetic stirrers are laboratory instruments for mixing liquids, primarily for stirring or simultaneously heating and stirring low-viscosity liquids or solid-liquid mixtures. The existing magnetic stirring device is generally provided with magnetic steel for driving a magnetic rotor to rotate in a base, and the magnetic steel is driven by a motor to rotate so as to realize the rotation of the magnetic rotor. The magnetic stirring device with the structure is simple in structure, a heating system of the magnetic stirring device is generally arranged in the base, the heating precision of liquid in the container is not high, the high-precision control is difficult to realize, and the stirring effect of the magnetic stirring is also difficult to achieve the best.
The invention aims at the problems, provides a magnetic stirring device with high-precision control, improves the magnetic stirring effect and improves the temperature control precision of the magnetic stirring device.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the magnetic stirring device with high precision control is characterized by comprising a seat body, a supporting platform, a heating and heat preservation seat, an external magnetic stirring rotor, an internal magnetic stirring rotor, internal driving magnetic steel, external driving magnetic steel, an external magnetic reinforcing regulator and an internal and external magnetic steel driving component, wherein the internal and external magnetic steel driving component is arranged in the seat body, the output end of the internal and external magnetic steel driving component comprises an internal driving shaft and an external driving shaft, the internal driving magnetic steel is arranged at the top of the internal driving shaft, the external driving magnetic steel is arranged at the top of the external driving shaft, the external magnetic reinforcing regulator which is convenient for regulating the magnetism at the position of the external driving magnetic steel is also arranged at the position of the external driving magnetic steel, the internal driving magnetic steel, the external driving magnetic steel and the external magnetic reinforcing regulator are all arranged at the bottom position of the supporting platform, and a gap is arranged between the internal driving magnetic, the supporting table is integrally and fixedly arranged on the base body, a heating and heat-preserving seat extending upwards is further arranged on the supporting table, a container is detachably arranged in the heating and heat-preserving seat, an outer magnetic stirring rotor and an inner magnetic stirring rotor which are respectively matched and driven with inner driving magnetic steel and outer driving magnetic steel are arranged in the container, the outer magnetic stirring rotor can be driven to rotate when the outer driving magnetic steel rotates, and the inner magnetic stirring rotor can be driven to rotate when the inner driving magnetic steel rotates.
Preferably, the rotation direction of the inner drive magnetic steel with respect to the rotation center is opposite to the rotation direction of the outer drive magnetic steel with respect to the rotation center.
Further, as a preferred option, the heating and heat-preserving seat comprises an outer seat, an inner heating sleeve and a bottom heating seat, wherein the outer seat extends upwards along the supporting table, the inner heating sleeve is sleeved inside the outer seat, an electric heating wire is arranged in the inner heating sleeve, a positioning groove is formed in the supporting table and located at the bottom of the outer seat, and the bottom heating seat is arranged in the positioning groove.
Further, as preferred, the bottom heating seat includes ceramic pedestal and a plurality of heating rod, the last vertical through-hole that is provided with of ceramic pedestal, the through-hole endotheca is equipped with the copper billet, the centre bore endotheca of copper billet is equipped with the heating rod, the lower extreme of heating rod adopts fixing base fixed connection in on ceramic pedestal or the copper billet, still be provided with temperature probe on the ceramic pedestal.
Further, preferably, the external magnetic reinforcing adjuster comprises an electromagnetic seat, an electric wire, a steel sleeve, an electromagnet and an electromagnet fixing seat, wherein the steel sleeve is arranged at the top of the electromagnetic seat, the electromagnet is sleeved in a hole of the steel sleeve, one end of the electromagnet, which extends into the electromagnetic seat, is fixedly supported on the electromagnet fixing seat, the electromagnet is connected with a controller through the electric wire, and the controller adjusts the electromagnetic strength of the electromagnet.
Further, as a preferred option, the inner and outer magnetic steel driving assembly comprises a driving seat, a driving motor, a driving gear ring, a driving gear, a guide gear and an outer gear, wherein the driving seat is fixedly arranged at the bottom inside the seat body, an outer driving shaft is rotatably arranged on the driving seat by adopting a bearing, an outer turntable is arranged at the top of the outer driving shaft, the outer driving magnetic steel is arranged on the outer turntable, the driving gear ring is integrally arranged at the bottom of the outer driving shaft, an inner turntable is arranged at the top of the inner driving shaft, the inner driving magnetic steel is arranged on the inner turntable, an auxiliary supporting seat is fixedly arranged in an upper cavity of the driving gear ring, the inner driving shaft is rotatably arranged in the auxiliary supporting seat, an outer gear is fixedly arranged at the lower end of the inner driving shaft, and the driving motor is fixedly arranged at the, the driving gear is arranged on an output shaft of the driving motor, the driving gear is in inner-meshing transmission with the driving gear ring, the driving gear is in outer-meshing transmission with the outer gear, at least one guide gear is further arranged between the driving gear ring and the outer gear, the driving gear ring drives the outer driving shaft to rotate, and the outer gear drives the inner driving shaft to rotate.
Further, as preferred, fixed connection is provided with the guide ring on the interior drive shaft, be provided with the guide ring groove on the auxiliary supporting seat, the guide ring is in guide ring inslot direction rotates, so that to the rotation of interior drive shaft leads.
Preferably, a bearing cover is further provided on the driving seat at a position where the bearing is mounted.
Preferably, an electromagnetic control seat for controlling an electromagnet is arranged at the lower end of the outer rotating disc.
Preferably, the rotating speeds of the outer driving shaft and the inner driving shaft can be adjusted, the outer magnetic stirring rotor and the inner magnetic stirring rotor are of the same structure, and the end parts of the outer magnetic stirring rotor and the inner magnetic stirring rotor are of conical structures.
Compared with the prior art, the invention has the beneficial effects that:
the magnetic stirring device with high-precision control can not only improve the stirring effect, but also improve the control precision of the temperature in the container, the heat preservation effect can be effectively improved by arranging the heating heat preservation seat, the peripheral part of the heating heat preservation seat is heated by adopting an electric heating wire, the bottom of the heating heat preservation seat is provided with the ceramic heating seat, the ceramic seat is heated by utilizing a heating rod and a copper block, the ceramic seat can ensure the precision of temperature control, and the inner driving magnetic steel and the outer driving magnetic steel of the magnetic stirring device are driven to rotate in opposite directions, so that the outer magnetic stirring rotor and the inner magnetic stirring rotor in the container rotate in opposite directions, and the stirring efficiency and uniformity can be effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a high-precision controlled magnetic stirring device according to the present invention;
FIG. 2 is a schematic structural diagram of the positions of a guide gear and a driving gear ring of the magnetic stirring device with high precision control according to the present invention;
FIG. 3 is a schematic diagram of the external magnetic reinforcing adjuster of the high precision magnetic stirring device of the present invention;
FIG. 4 is a schematic view of a partially cut-away structure of a bottom heating base of the magnetic stirring apparatus with high precision control according to the present invention;
FIG. 5 is a schematic structural diagram of the inner and outer magnetic steel driving components of the high-precision control magnetic stirring device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the magnetic stirring device with high precision control is characterized by comprising a base body 1, a support platform 2, a heating and heat preservation base, an external magnetic stirring rotor, an internal magnetic stirring rotor 5, internal driving magnetic steel 13, external driving magnetic steel 11, an external magnetic reinforcing regulator and an internal and external magnetic steel driving component, wherein the internal and external magnetic steel driving component is arranged in the base body 1, the output end of the internal and external magnetic steel driving component comprises an internal driving shaft 9 and an external driving shaft 7, the internal driving magnetic steel 13 is arranged at the top of the internal driving shaft 9, the external driving magnetic steel 11 is arranged at the top of the external driving shaft 7, the external magnetic reinforcing regulator convenient for regulating the magnetism at the position of the external driving magnetic steel is also arranged at the position of the external driving magnetic steel 11, and the internal driving magnetic steel, the external driving magnetic steel and the external magnetic reinforcing regulator are all arranged at the bottom surface of the support platform 2, and a gap is arranged between the outer magnetic stirring rotor and the bottom surface of the support platform 2, the support platform 2 is integrally and fixedly arranged on the base body 1, the support platform 2 is further provided with a heating and heat-preserving seat extending upwards, a container 14 is detachably arranged in the heating and heat-preserving seat, an outer magnetic stirring rotor and an inner magnetic stirring rotor 5 which are respectively matched and driven with the inner driving magnetic steel and the outer driving magnetic steel are arranged in the container 14, the outer magnetic stirring rotor can be driven to rotate when the outer driving magnetic steel rotates, and the inner magnetic stirring rotor can be driven to rotate when the inner driving magnetic steel rotates.
In this embodiment, the rotation direction of the inner drive magnetic steel relative to the rotation center is opposite to the rotation direction of the outer drive magnetic steel relative to the rotation center. The heating heat preservation seat comprises an outer seat 3, an inner heating sleeve 4 and a bottom heating seat 12, wherein the outer seat 3 extends upwards along the supporting table 2, the inner heating sleeve 4 is sleeved inside the outer seat 3, an electric heating wire is arranged in the inner heating sleeve 4, the supporting table 2 is located on the bottom of the outer seat and is provided with a positioning groove, and the bottom heating seat 12 is arranged in the positioning groove.
As a preferred embodiment, as shown in fig. 4, the base heating seat includes a ceramic seat 31 and a plurality of heating rods 32, a through hole is vertically formed in the ceramic seat 31, a copper block 28 is sleeved in the through hole, the heating rod 32 is sleeved in a central hole of the copper block 28, a lower end of the heating rod 32 is fixedly connected to the ceramic seat or the copper block by using a fixing seat, and a temperature probe is further disposed on the ceramic seat.
As shown in fig. 3, the external magnetic reinforcing adjuster comprises an electromagnetic seat 23, an electric wire 24, a steel sleeve 25, an electromagnet 26 and an electromagnet fixing seat 27, wherein the steel sleeve 25 is arranged at the top of the electromagnetic seat 23, the electromagnet 26 is sleeved in a hole of the steel sleeve 25, one end of the electromagnet 26, which extends into the electromagnetic seat 23, is fixedly supported on the electromagnet fixing seat 27, the electromagnet 26 is connected with a controller through the electric wire, and the controller realizes adjustment of the electromagnetic strength of the electromagnet.
Referring to fig. 1 and 5, the inner and outer magnetic steel driving assembly includes a driving base 6, a driving motor 8, a driving ring gear, a driving gear 21, a guide gear 22 and an outer gear, wherein the driving base 6 is fixedly disposed at the bottom of the base body 1, the driving base 6 is rotatably provided with an outer driving shaft 7 by using a bearing, the top of the outer driving shaft 7 is provided with an outer turntable 15, the outer driving magnetic steel 11 is disposed on the outer turntable 13, the bottom of the outer driving shaft is integrally provided with the driving ring gear, the top of the inner driving shaft 9 is provided with an inner turntable 33, the inner driving magnetic steel 13 is disposed on the inner turntable 33, an auxiliary supporting base 17 is fixedly disposed in an upper cavity of the driving ring gear, the inner driving shaft 9 is rotatably disposed in the auxiliary supporting base 17, the lower end of the inner driving shaft is fixedly provided with the outer gear, and the driving motor is fixedly disposed at the, the driving gear is arranged on an output shaft of the driving motor, the driving gear is in inner-meshing transmission with the driving gear ring, the driving gear is in outer-meshing transmission with the outer gear, at least one guide gear 22 is further arranged between the driving gear ring and the outer gear, the driving gear ring drives the outer driving shaft to rotate, and the outer gear drives the inner driving shaft to rotate.
The fixed connection is provided with guide ring 18 on the interior drive shaft, be provided with the direction annular on the auxiliary stay seat, the guide ring is in direction rotation in the direction annular to the rotation of interior drive shaft leads. And a bearing cover 16 is also arranged on the driving seat at the position where the bearing is arranged. The lower end of the outer rotating disc is provided with an electromagnetic control seat 10 for controlling an electromagnet. The rotating speeds of the outer driving shaft and the inner driving shaft can be adjusted, the outer magnetic stirring rotor and the inner magnetic stirring rotor are identical in structure, and the end parts of the outer magnetic stirring rotor and the inner magnetic stirring rotor are of conical structures.
The magnetic stirring device with high-precision control can not only improve the stirring effect, but also improve the control precision of the temperature in the container, the heat preservation effect can be effectively improved by arranging the heating heat preservation seat, the peripheral part of the heating heat preservation seat is heated by adopting an electric heating wire, the bottom of the heating heat preservation seat is provided with the ceramic heating seat, the ceramic seat is heated by utilizing a heating rod and a copper block, the ceramic seat can ensure the precision of temperature control, and the inner driving magnetic steel and the outer driving magnetic steel of the magnetic stirring device are driven to rotate in opposite directions, so that the outer magnetic stirring rotor and the inner magnetic stirring rotor in the container rotate in opposite directions, and the stirring efficiency and uniformity can be effectively improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The magnetic stirring device with high precision control is characterized by comprising a seat body, a supporting platform, a heating and heat preservation seat, an external magnetic stirring rotor, an internal magnetic stirring rotor, internal driving magnetic steel, external driving magnetic steel, an external magnetic reinforcing regulator and an internal and external magnetic steel driving component, wherein the internal and external magnetic steel driving component is arranged in the seat body, the output end of the internal and external magnetic steel driving component comprises an internal driving shaft and an external driving shaft, the internal driving magnetic steel is arranged at the top of the internal driving shaft, the external driving magnetic steel is arranged at the top of the external driving shaft, the external magnetic reinforcing regulator which is convenient for regulating the magnetism at the position of the external driving magnetic steel is also arranged at the position of the external driving magnetic steel, the internal driving magnetic steel, the external driving magnetic steel and the external magnetic reinforcing regulator are all arranged at the bottom position of the supporting platform, and a gap is arranged between the internal driving magnetic, the supporting table is integrally and fixedly arranged on the base body, the supporting table is also provided with a heating and heat-preserving seat extending upwards, a container is detachably arranged in the heating and heat-preserving seat, an outer magnetic stirring rotor and an inner magnetic stirring rotor which are respectively matched and driven with inner driving magnetic steel and outer driving magnetic steel are arranged in the container, the outer magnetic stirring rotor can be driven to rotate when the outer driving magnetic steel rotates, and the inner magnetic stirring rotor can be driven to rotate when the inner driving magnetic steel rotates;
the heating and heat-preserving seat comprises an outer seat, an inner heating sleeve and a bottom heating seat, wherein the outer seat extends upwards along the supporting table, the inner heating sleeve is sleeved inside the outer seat, an electric heating wire is arranged in the inner heating sleeve, a positioning groove is formed in the supporting table and positioned at the bottom of the outer seat, and the bottom heating seat is arranged in the positioning groove;
the bottom heating seat comprises a ceramic seat body and a plurality of heating rods, a through hole is vertically formed in the ceramic seat body, a copper block is sleeved in the through hole, the heating rod is sleeved in a central hole of the copper block, the lower end of the heating rod is fixedly connected to the ceramic seat body or the copper block through a fixing seat, and a temperature probe is further arranged on the ceramic seat body;
the external magnetic reinforcing regulator comprises an electromagnetic seat, an electric wire, a steel sleeve, an electromagnet and an electromagnet fixing seat, wherein the steel sleeve is arranged at the top of the electromagnetic seat, the electromagnet is sleeved in a hole of the steel sleeve, one end of the electromagnet, which extends into the electromagnetic seat, is fixedly supported on the electromagnet fixing seat, the electromagnet is connected with a controller through the electric wire, and the controller realizes regulation on the electromagnetic strength of the electromagnet;
the inner and outer magnetic steel driving assembly comprises a driving seat, a driving motor, a driving gear ring, a driving gear, a guide gear and an outer gear, wherein the driving seat is fixedly arranged at the bottom in the seat body, an outer driving shaft is rotatably arranged on the driving seat by adopting a bearing, an outer rotating disc is arranged at the top of the outer driving shaft, the outer driving magnetic steel is arranged on the outer rotating disc, the driving gear ring is integrally arranged at the bottom of the outer driving shaft, an inner rotating disc is arranged at the top of the inner driving shaft, the inner driving magnetic steel is arranged on the inner rotating disc, an auxiliary supporting seat is fixedly arranged in an upper cavity of the driving gear ring, the inner driving shaft is rotatably arranged in the auxiliary supporting seat, the outer gear is fixedly arranged at the lower end of the inner driving shaft, the driving motor is fixedly arranged at the bottom of the seat body, and, the driving gear and the driving gear ring are in internal meshing transmission, the driving gear is also in external meshing transmission with the external gear, at least one guide gear is further arranged between the driving gear ring and the external gear, the driving gear ring drives the external driving shaft to rotate, and the external gear drives the internal driving shaft to rotate.
2. A high precision controlled magnetic stirring apparatus as in claim 1 wherein: the rotation direction of the inner drive magnetic steel relative to the rotation center is opposite to the rotation direction of the outer drive magnetic steel relative to the rotation center.
3. A high precision controlled magnetic stirring apparatus as in claim 1 wherein: fixed connection is provided with the direction circle on the interior drive shaft, be provided with the direction annular on the auxiliary stay seat, the direction circle is in direction rotation in the direction annular, so that to the rotation of interior drive shaft leads.
4. A high precision controlled magnetic stirring apparatus as in claim 1 wherein: and a bearing cover is also arranged at the position of the driving seat where the bearing is installed.
5. A high precision controlled magnetic stirring apparatus as in claim 1 wherein: and an electromagnetic control seat for controlling the electromagnet is arranged at the lower end of the outer turntable.
6. A high precision controlled magnetic stirring apparatus as in claim 1 wherein: the rotating speeds of the outer driving shaft and the inner driving shaft can be adjusted, the outer magnetic stirring rotor and the inner magnetic stirring rotor are identical in structure, and the end parts of the outer magnetic stirring rotor and the inner magnetic stirring rotor are of conical structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303285.0A CN109317032B (en) | 2018-11-02 | 2018-11-02 | High-precision control magnetic stirring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303285.0A CN109317032B (en) | 2018-11-02 | 2018-11-02 | High-precision control magnetic stirring device |
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| CN109317032A CN109317032A (en) | 2019-02-12 |
| CN109317032B true CN109317032B (en) | 2021-05-28 |
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| CN201811303285.0A Active CN109317032B (en) | 2018-11-02 | 2018-11-02 | High-precision control magnetic stirring device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112044360B (en) * | 2020-08-17 | 2021-09-03 | 温州茂夭信息科技有限公司 | Production equipment capable of automatically controlling introduction amount of catalyst for cosmetic production |
| CN113457537B (en) * | 2021-08-17 | 2022-09-23 | 河北民族师范学院 | Dedicated magnetic stirring device of photocatalytic material preparation |
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| CN107469717A (en) * | 2017-08-11 | 2017-12-15 | 天津吉玄节能技术股份有限公司 | A kind of double-speed mixing transmission device |
| CN107812469A (en) * | 2017-10-26 | 2018-03-20 | 成都瞬科仪器仪表有限公司 | Full-automatic magnetic stirring apparatus for chemical experiment |
| CN108435064A (en) * | 2018-04-28 | 2018-08-24 | 应日兴 | A kind of medical uniformly mixed device for mixing chemical powder |
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| CN2065098U (en) * | 1990-02-26 | 1990-11-07 | 徐元星 | Magnetic mixing drum |
| US7314307B2 (en) * | 2006-01-17 | 2008-01-01 | Ying Lin Cai | Automatic motor-driven blender cup with a leak-free magnetic stirring apparatus |
| CN101204642A (en) * | 2006-12-22 | 2008-06-25 | 中国科学院过程工程研究所 | Permanent-magnet gyratory agitation device |
| CN102861527A (en) * | 2012-10-11 | 2013-01-09 | 北京化工大学 | Planetary magnetic stirring device |
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| CN109317032A (en) | 2019-02-12 |
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Effective date of registration: 20230413 Address after: Room 915, Zhiyuan International Business Building, 101 Kefa Road, High tech Zone, Suzhou City, Jiangsu Province, 215000 Patentee after: SUZHOU XINPAITE INFORMATION TECHNOLOGY Co.,Ltd. Address before: Weidu District Bayi Road Xuchang city Henan province 461000 No. 88 Patentee before: XUCHANG University |