CN109087756B - Lifting device special for paint cylinder - Google Patents
Lifting device special for paint cylinder Download PDFInfo
- Publication number
- CN109087756B CN109087756B CN201810836757.2A CN201810836757A CN109087756B CN 109087756 B CN109087756 B CN 109087756B CN 201810836757 A CN201810836757 A CN 201810836757A CN 109087756 B CN109087756 B CN 109087756B
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- Prior art keywords
- paint
- ball screw
- paint cylinder
- guide body
- plate
- Prior art date
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- 239000003973 paint Substances 0.000 title claims abstract description 94
- 238000010422 painting Methods 0.000 claims description 29
- 238000011084 recovery Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 19
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
- H01B3/081—Wires with vitreous enamels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/16—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/12—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention discloses a special lifting device for a paint cylinder, which comprises a motor plate, a worm gear motor, a ball screw, a guide body and a top plate, wherein the worm gear motor is fixed on the motor plate through a flange, the ball screw penetrates through the guide body, internal threads matched with the ball screw are arranged in the guide body, the bottom of the ball screw is connected with the worm of the worm gear motor through a coupler, the top of the ball screw is connected with the top plate through a first bearing, and the side wall of the guide body is connected with the paint cylinder device through a vertical side plate. The paint cylinder device is fixed on the guide body, the worm gear motor drives the ball screw to rotate, so that the automatic lifting of the upper and lower different positions of the paint cylinder device is realized.
Description
Technical Field
The invention relates to enameled wire manufacturing equipment, in particular to a special lifting device for a paint cylinder, which can drive the paint cylinder device to lift up and down.
Background
The enameled wire is composed of an internal wire and a coating layer for wrapping the wire, and after the enameled wire is subjected to the procedures of annealing, painting, baking, cooling and the like, the baked enameled wire is required to be arranged on a winding drum through a winding and unwinding device. A very important process step during painting, which directly affects the quality of the finished enameled wire. Even painting is very important, and in addition, it is very important that after the wire is painted, the paint layer on the surface of the wire needs to reach a leveling state from the painting position to before entering the baking oven, so that the quality of the enameled wire can be well ensured.
In order to ensure that the paint layer on the painted line surface reaches a leveling state, the distance from a paint cylinder to a baking furnace mouth needs to be controlled in the process, and the time required for leveling the paint layer on the line surface from the painting position to the paint layer before entering the baking furnace for baking is different when different line gauges and different paint types are painted. At present, in order to ensure the quality of enameled wires, paint cylinders are manually assembled and disassembled to adjust the positions of the paint cylinders, and each time of assembly and disassembly can cause heavy work and potential safety hazards, and the enameled wires are required to be re-calibrated after assembly, so that the enameled wires are very troublesome. The disassembly and assembly are very inconvenient, sometimes assembled, and the debugging can be found to be just bad, and the disassembly and assembly can be performed again, so that the working efficiency is very low, and the debugging is very unfavorable. In addition, the existing painting device is generally a single die method or a felt method, and the application range of the painting device is small.
Disclosure of Invention
In order to solve the problems, the invention provides the special lifting device for the paint cylinder, which is convenient for adjusting the position of the paint cylinder, avoids the trouble of manual disassembly and assembly and does not need to be calibrated again.
According to one aspect of the invention, a lifting device special for a paint cylinder is provided, which comprises a motor plate, a worm gear motor, a ball screw, a guide body and a top plate, wherein the worm gear motor is fixed on the motor plate through a flange, the ball screw penetrates through the guide body, internal threads matched with the ball screw are arranged in the guide body, the bottom of the ball screw is connected with a worm of the worm gear motor through a coupler, the top of the ball screw is connected with the top plate through a first bearing, and the side wall of the guide body is connected with the paint cylinder device through a vertical side plate. Therefore, a worm gear and worm reduction motor is started, a worm in the reduction motor drives a ball screw connected with the worm gear and worm reduction motor to rotate, a guide body moves up and down along the ball screw, a paint cylinder device connected with the guide body also moves up and down along the guide body, and automatic lifting of up and down different positions of the paint cylinder is realized; by using the lifting device special for the paint cylinder, the working efficiency is greatly improved, the paint cylinder device is not required to be manually assembled and disassembled, the potential safety hazard is reduced, and only the lifting device moves up and down, and recalibration is not required.
In some embodiments, the paint cylinder device comprises a die frame, a paint die and a paint cylinder body, wherein a vertical side plate is connected with a square tube, an L-shaped lower support piece is arranged on the side wall of the square tube, paint cylinder fixing plates are connected to the two sides of the top of the square tube and perpendicular to the vertical side plate, an upper support piece is arranged on the paint cylinder fixing plates through two support frames, the upper support piece is connected with the die frame through the die frame fixing plates, a paint die is arranged on the die frame, a paint cylinder body is arranged on the side wall of the L-shaped lower support piece, and a paint recovery tube is arranged at the bottom of the paint cylinder body. From this, consider the weight of lacquer jar device, adopt non-deformable's square pipe and L type lower support piece, guaranteed the steady removal of lacquer jar, also guaranteed the precision of back, equipment from top to bottom.
In some embodiments, the paint cylinder apparatus further comprises a felt painting apparatus mounted to the paint cylinder mounting plate, the felt painting apparatus being located below the location of the mold frame. Therefore, the enamelled wire painting can adopt a felt painting method or a die painting method, and the felt painting method and the die painting method are designed on one painting device by the paint cylinder device, so that the application range of equipment is wider.
In some embodiments, a guide nut is provided within the guide body, and an internal thread that mates with the ball screw is provided within the guide nut. Therefore, if the guide piece is directly connected with the ball screw through threads, the connecting part is certainly easy to wear, so that the guide nut is arranged, and the guide nut is used as a replaceable small part, so that the later equipment maintenance cost can be saved.
In some embodiments, two sliding rods are arranged between the motor plate and the top plate, the sliding rods penetrate through the left side and the right side of the guide body, a positioning locking device is arranged at the joint of the bottom of the guide body and the sliding rods, the positioning locking device comprises a locking ring and a rotatable handle, the locking ring is sleeved on the sliding rods and is provided with an elastic clearance groove, one side of the locking ring is divided into a locking part and a free part by the elastic clearance groove, an external thread is arranged at the front end of the rotatable handle, a through hole for the external thread to pass through is formed in the free part, and an internal thread matched with the external thread is arranged at the locking part. Therefore, the two sliding rods and the ball screw ensure the guiding stability of the guiding body; after the guide body reaches the lifting position, the rotatable handle is manually pulled to enable the elastic clearance groove to be smaller, the round hole of the sliding rod sleeved in the locking ring deforms to clamp the sliding rod for positioning, and the position of the paint cylinder device is ensured to be more stable in the running process.
In some embodiments, the coupling comprises a coupling part for connecting the worm and the ball screw, and a coupling seat covered outside the coupling part, and a second bearing, a gasket, a third bearing and a circlip are sequentially arranged at the joint of the coupling seat and the ball screw from bottom to top. Therefore, the first bearing is arranged at the joint of the ball screw and the top plate, and the bearing is also arranged at the joint of the ball screw and the coupler, so that the stability of the rotation of the ball screw is ensured.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure, the paint cylinder device is fixed on the guide body, and the worm gear and worm reducing motor drives the ball screw to rotate, so as to realize the automatic lifting of the upper and lower different positions of the paint cylinder device. The device can automatically control different heights of the paint cylinder device to the baking furnace mouth, so as to control the leveling of paint layers of different wire gauges and different paint types in front of the baking furnace, thereby obtaining the quality of high-quality enamelled wires. The paint cylinder lifting device can be released from heavy labor, and the paint cylinder device does not need to be manually detached and assembled for position change, so that the trouble of recalibration during each detachment is solved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of a lifting device for a paint cylinder according to the present invention;
FIG. 2 is a schematic side elevational view of an embodiment of the apparatus;
FIG. 3 is a front view of FIG. 1;
fig. 4 is a top view of fig. 1.
Detailed Description
The invention is further described below in connection with the following detailed description.
As shown in fig. 1 and 2, the lifting device special for a paint cylinder according to an embodiment of the present invention includes a motor plate 1, a worm gear motor 2, a ball screw 3, a guide body 4, and a top plate 5. The worm gear reduction motor 2 is fixed on the motor plate 1 through a flange 11, and a worm 21 of the worm gear reduction motor 2 is vertically upwards perpendicular to the motor plate 1. The ball screw 3 penetrates through the middle position of the guide body 4, an internal thread 41 matched with the ball screw 3 is arranged in the guide body 4, the bottom of the ball screw 3 is connected with the worm 21 of the worm gear motor 2 through the coupler 6, and the top of the ball screw 3 is connected with the top plate 5 through the first bearing 51. The side wall of the guide body 4 is connected with a paint cylinder device 8 through a vertical side plate 7. In this embodiment, the worm gear motor 2 is a worm gear motor with the model of TNRV050_71b5_7114_fc2 manufactured by the company of the general transmission machinery of zhenjiang, and the worm 21 in the gear motor drives the ball screw 3 connected with the worm gear motor to rotate, so that the guide body 4 moves up and down along the ball screw 3, and the paint cylinder device 8 connected with the guide body 4 also moves up and down along with the guide body 4, thereby realizing the automatic lifting of the paint cylinder at different positions up and down. The special lifting device for the paint cylinder is applied, the working efficiency is greatly improved in the process of adjusting the distance from the paint cylinder device 8 to the baking mouth, the paint cylinder device 8 is not required to be manually disassembled and assembled, the potential safety hazard is reduced, and only the lifting movement is up and down, and the recalibration is not required.
The paint cylinder apparatus 8 of the die painting method generally includes a die frame 81, a paint die 82, and a paint cylinder body 83. The vertical side plate 7 is connected with a long square tube 84, an L-shaped lower support piece 85 is arranged on the side wall of the square tube 84, and the L-shaped lower support piece 85 covers the side wall and the bottom of the square tube 84. The top both sides of square pipe 84 are connected with paint jar fixed plate 86, and the position of paint jar fixed plate 86 is perpendicular with vertical curb plate 7, and upper support piece 88 is installed through two supports 87 to paint jar fixed plate 86, and upper support piece 88 passes through die carrier fixed plate 89 and connects die carrier 81, still is equipped with the backing plate between die carrier fixed plate 89 and the upper support piece 88, is equipped with painting mould 82 on the die carrier 81. The side wall of the L-shaped lower support member 85 is provided with a paint cylinder body 83, and the bottom of the paint cylinder body 83 is provided with a paint recovery pipe 831. Considering the weight of the paint cylinder device 8, the square tube 84 and the L-shaped lower support piece 85 which are not easy to deform are adopted, so that the stable movement of the paint cylinder is ensured, and the accuracy of equipment after the paint cylinder moves up and down is also ensured.
Besides the die painting method, the enamelled wire painting method can also adopt a felt painting method. In the present embodiment, the paint cylinder apparatus 8 further includes a felt painting apparatus 811, the felt painting apparatus 811 being mounted to the paint cylinder fixing plate 86, the felt painting apparatus 811 being located below the position of the die holder 81. The paint cylinder device designs a felt painting method and a mould painting method on one painting device, so that the application range of the equipment is wider.
In the present embodiment, a guide nut 42 is provided in the guide body 4, and an internal thread 41 that engages with the ball screw 3 is provided in the guide nut 42. If the guide 4 is directly screwed to the ball screw 3, the joint is definitely very easy to wear, so that the provision of the guide nut 42, when the guide nut 42 is a small exchangeable part, also saves the subsequent equipment maintenance costs.
As shown in fig. 3 and 4, the paint cylinder has a large weight, and in order to ensure the guiding stability of the guiding body 4 in the lifting process, two sliding rods 9 are arranged between the motor plate 1 and the top plate 5, and the sliding rods 9 penetrate through the left side and the right side of the guiding body 4. The bottom of the guide body 4 is provided with a positioning locking device 91 at the joint with the slide bar 9, the positioning locking device 91 comprises a locking ring 911 and a rotatable handle 912, the locking ring 911 is sleeved on the slide bar 9 and is provided with a tightness clearance groove 913, one side of the locking ring 911 is divided into a locking part 914 and a free part 915 by the tightness clearance groove 913, the front end of the rotatable handle 912 is provided with external threads, the free part 915 is provided with a through hole for the external threads to pass through, and the locking part 914 is provided with internal threads matched with the external threads. Two slide bars 9 and a ball screw 3 are sufficient to ensure the stability of the paint cylinder during lifting. After the guide body 4 reaches the lifting position, the rotatable handle 912 is manually pulled to enable the tightness clearance groove 913 to be smaller, and the round hole of the sliding rod 9 sleeved in the locking ring 911 deforms to clamp the sliding rod 9 for positioning, so that the position of the paint cylinder device 8 is ensured to be more stable in the running process.
As shown in fig. 2, the coupling 6 includes a coupling portion 61 connecting the worm 21 and the ball screw 3, and a coupling seat 62 covering the coupling portion 61, and a second bearing 63, a washer 64, a third bearing 65, and a circlip 66 are provided in this order from bottom to top at the joint between the coupling seat 62 and the ball screw 3. The first bearing 51 is arranged at the joint of the ball screw 3 and the top plate 5, and the bearing is also arranged at the joint of the ball screw 3 and the coupler 6, so that the rotating stability of the ball screw 3 is ensured.
The invention has scientific and reasonable structure, the paint cylinder device 8 is fixed on the guide body 4, and the worm gear motor 2 drives the ball screw 3 to rotate, so as to realize the automatic lifting of the upper and lower different positions of the paint cylinder device 8. The paint cylinder device 8 can be automatically controlled to different heights from the baking furnace mouth, so that the leveling control of paint layers of different wire gauges and different paint types in front of the baking furnace is achieved, and the quality of the high-quality enameled wire is obtained. The paint cylinder lifting device can be released from heavy labor, and the paint cylinder device 8 does not need to be manually detached and assembled for position change, so that the trouble of recalibration during each detachment is solved.
While only certain embodiments of the present invention have been described, it will be apparent to those skilled in the art that other modifications and improvements can be made without departing from the inventive concept of the present invention.
Claims (4)
1. The special lifting device for the paint cylinder is characterized by comprising a motor plate (1), a worm gear motor (2), a ball screw (3), a guide body (4) and a top plate (5), wherein the worm gear motor (2) is fixed on the motor plate (1) through a flange (11), the ball screw (3) penetrates through the guide body (4), an internal thread matched with the ball screw (3) is arranged in the guide body (4), the bottom of the ball screw (3) is connected with a worm (21) of the worm gear motor (2) through a coupler (6), the top of the ball screw (3) is connected with the top plate (5) through a first bearing (51), and the side wall of the guide body (4) is connected with a paint cylinder device (8) through a vertical side plate (7);
two sliding rods (9) are arranged between the motor plate (1) and the top plate (5), the sliding rods (9) penetrate through the left side and the right side of the guide body (4), a positioning and locking device (91) is arranged at the joint of the bottom of the guide body (4) and the sliding rods (9), the positioning and locking device (91) comprises a locking ring (911) and a rotatable handle (912), the locking ring (911) is sleeved on the sliding rods (9) and provided with an elastic clearance groove (913), one side of the locking ring (911) is divided into a locking part (914) and a free part (915) by the elastic clearance groove (913), an external thread is arranged at the front end of the rotatable handle (912), a through hole for the external thread to pass is formed in the free part (915), and an internal thread matched with the external thread is formed in the locking part (914).
The coupler (6) comprises a coupler part (61) for connecting the worm (21) and the ball screw (3) and a coupler seat (62) covered outside the coupler part (61), and a second bearing (63), a gasket (64), a third bearing (65) and an elastic retainer ring (66) are sequentially arranged at the joint of the coupler seat (62) and the ball screw (3) from bottom to top.
2. The lifting device special for paint cylinders according to claim 1, wherein the paint cylinder device (8) comprises a die frame (81), a paint die (82) and a paint cylinder body (83), the vertical side plate (7) is connected with a square tube (84), an L-shaped lower support (85) is mounted on the side wall of the square tube (84), paint cylinder fixing plates (86) are connected to the two sides of the top of the square tube (84), the paint cylinder fixing plates (86) are perpendicular to the vertical side plate (7), an upper support (88) is mounted on the paint cylinder fixing plates (86) through two brackets (87), the upper support (88) is connected with the die frame (81) through a die frame fixing plate (89), the paint die (82) is arranged on the die frame (81), the paint cylinder body (83) is mounted on the side wall of the L-shaped lower support (85), and a paint recovery tube (831) is arranged at the bottom of the paint cylinder body (83).
3. The lifting device special for paint cylinders according to claim 2, characterized in that the paint cylinder device (8) further comprises a felt painting device (811), the felt painting device (811) being mounted to the paint cylinder fixing plate (86), the felt painting device (811) being located below the position of the mould frame (81).
4. The lifting device special for paint cylinders according to claim 1, wherein a guide nut (42) is arranged in the guide body (4), and the internal thread matched with the ball screw (3) is arranged in the guide nut (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810836757.2A CN109087756B (en) | 2018-07-26 | 2018-07-26 | Lifting device special for paint cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810836757.2A CN109087756B (en) | 2018-07-26 | 2018-07-26 | Lifting device special for paint cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109087756A CN109087756A (en) | 2018-12-25 |
| CN109087756B true CN109087756B (en) | 2023-08-22 |
Family
ID=64830869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810836757.2A Active CN109087756B (en) | 2018-07-26 | 2018-07-26 | Lifting device special for paint cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109087756B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229014A (en) * | 2011-06-30 | 2011-11-02 | 东莞华科精机有限公司 | Novel wire-cutting lifting mechanism |
| JP2012223040A (en) * | 2011-04-13 | 2012-11-12 | Yazaki Corp | Electric wire cutting device |
| CN203333242U (en) * | 2013-06-14 | 2013-12-11 | 深圳市钜汇鑫科技有限公司 | Electronic-control lifting platform |
| CN104925523A (en) * | 2015-06-08 | 2015-09-23 | 浙江鸿星文具有限公司 | Pencil top adhering machine |
| CN207052375U (en) * | 2017-08-28 | 2018-02-27 | 铜陵市创威科技有限责任公司 | A kind of adjustable painting mould for enameled wire machining |
-
2018
- 2018-07-26 CN CN201810836757.2A patent/CN109087756B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012223040A (en) * | 2011-04-13 | 2012-11-12 | Yazaki Corp | Electric wire cutting device |
| CN102229014A (en) * | 2011-06-30 | 2011-11-02 | 东莞华科精机有限公司 | Novel wire-cutting lifting mechanism |
| CN203333242U (en) * | 2013-06-14 | 2013-12-11 | 深圳市钜汇鑫科技有限公司 | Electronic-control lifting platform |
| CN104925523A (en) * | 2015-06-08 | 2015-09-23 | 浙江鸿星文具有限公司 | Pencil top adhering machine |
| CN207052375U (en) * | 2017-08-28 | 2018-02-27 | 铜陵市创威科技有限责任公司 | A kind of adjustable painting mould for enameled wire machining |
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| Publication number | Publication date |
|---|---|
| CN109087756A (en) | 2018-12-25 |
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Address after: 582 Xitai Road, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Juyi Tongchuang Technology Co.,Ltd. Address before: 214000 11-1-88, Jinshan fourth branch road, Beitang District, Wuxi City, Jiangsu Province (in Wuxi photoelectric new material science and Technology Park) Patentee before: WUXI JUYI TONGCHUANG TECHNOLOGY Co.,Ltd. |