CN111299462B - Pin shearing machine for integrated circuit board for electronic production - Google Patents
Pin shearing machine for integrated circuit board for electronic production Download PDFInfo
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- CN111299462B CN111299462B CN202010158076.2A CN202010158076A CN111299462B CN 111299462 B CN111299462 B CN 111299462B CN 202010158076 A CN202010158076 A CN 202010158076A CN 111299462 B CN111299462 B CN 111299462B
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- circuit board
- collecting box
- rotating rod
- rod
- roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
Abstract
The invention relates to a processing device, in particular to an integrated circuit board pin shearing machine for electronic production. The invention provides an integrated circuit board pin shearing machine for electronic production, which saves labor and can automatically transport a circuit board to shear pins. An integrated circuit board pin shearing machine for electronic production comprises a bottom plate, a first bracket and the like; the left and right sides at bottom plate top all is equipped with first support around the symmetry. The pins of the circuit board can be cut off through the cutting components, and the cutting components are arranged on the front side and the rear side of the device, so that the pins on the two sides of the circuit board can be cut off at the same time, the labor intensity of people is reduced, and the working efficiency of people is improved; can collect the pin of being cut through the collection fill of shearing subassembly below, collect and fight the below and be equipped with the conveyer belt, the pin of being cut is fought through collecting and is collected by the conveyer belt conveying to the collecting box in, so, can reduce manual operation to can further reduce people's intensity of labour.
Description
Technical Field
The invention relates to a processing device, in particular to an integrated circuit board pin shearing machine for electronic production.
Background
The integrated circuit board is made by using semiconductor manufacturing process, and many transistors, resistors, capacitors and other components are manufactured on a small single crystal silicon chip, and the components are combined into a complete electronic circuit by multilayer wiring or tunnel wiring.
People need to cut off the pins after the integrated circuit board is welded, and because the pins of the integrated circuit board are generally more and the integrated circuit board which needs to cut off the pins is generally more, the labor intensity of manually cutting off the pins of the circuit board by people is high, and the work efficiency of manually cutting off the pins by people is low.
Therefore, it is necessary to develop an integrated circuit board pin shearing machine for electronic production, which can save manpower and automatically transport the circuit board to shear pins.
Disclosure of Invention
In order to overcome the defects that the labor intensity of manually cutting the pins of the circuit board is high and the working efficiency of manually cutting the pins is low, the invention has the technical problems that: the integrated circuit board pin shearing machine for the electronic production is labor-saving and capable of automatically transporting the circuit board to shear pins.
The technical scheme is as follows: an integrated circuit board pin shearing machine for electronic production comprises a bottom plate, wherein at least four first supports with installation function are arranged on the upper side surface of the bottom plate, two first supports positioned on the same side are provided with first rotating rods in a rotating mode, the first rotating rods are provided with first rollers, two first belts with the function of transporting a circuit board are wound between the two first rollers, a limiting frame is fixedly arranged on the bottom plate and is provided with at least two limiting frames, the circuit board is uniformly placed on the limiting frame, the circuit board is in contact with the first belts, pins are arranged at the bottom of the circuit board and are positioned between the two limiting frames, a shearing assembly is arranged on one of the first rollers and is used for shearing the pins of the circuit board, a second support is arranged on the bottom plate, and a motor is arranged on the upper side surface of the second support, and an output shaft of the motor is connected with the first rotating rod.
In a preferred embodiment of the invention, the shearing assembly comprises a lug, a first support frame, a second rotating rod, a transmission rod, a first connecting rod, a guide block, a second connecting rod, a first fixed block, a first spring, a first blade and a second blade, the lug is uniformly arranged on the first roller, the first support frame is arranged at the inner side of the first support frame, the second rotating rod is rotatably arranged on the first support frame, the transmission rod is rotatably arranged on the second rotating rod, the first connecting rod is rotatably arranged at the end part of the transmission rod, the guide block is arranged at the end part of the first support frame, the second connecting rod is slidably arranged in the guide block and rotatably connected with the first connecting rod, the connecting rod is arranged at one side of the second connecting rod, the first fixed block is arranged at one side of the second connecting rod, the first spring is connected between one side of the first fixed block and the first support frame, the first spring penetrates through the guide block, a guide groove is formed in one side of the limiting frame, a first blade is arranged in the guide groove in a sliding mode, a second blade is connected to one side of the limiting frame and matched with the first blade, a second blade is connected to one side of the limiting frame, and a connecting rod is connected with the first blade.
In a preferred embodiment of the invention, the device further comprises a transmission wheel, second fixed blocks, a third rotating rod, a second belt, second rollers, second supporting frames, a third roller, a transmission belt, a third support, collecting hoppers, a collecting box, a universal wheel and a roller, wherein at least two second fixed blocks are arranged on one side of the base plate, the third rotating rod is rotatably arranged between the second fixed blocks, the transmission wheel is arranged on each of the third rotating rod and an output shaft of the motor, the second belt is wound between the transmission wheels, the second roller is arranged on each of the third rotating rods, at least two second supporting frames are arranged on one side of the base plate, the third rollers are rotatably arranged on the second supporting frames, the transmission belt is wound between the second rollers and the third rollers, third supports are arranged on the base plate, the number of the third supports is at least 4, the collecting hoppers are arranged between the inner sides of the third supports, the collecting hopper is located on one side of the third rotating rod, the collecting box is arranged on one side of the bottom plate, universal wheels are arranged on the collecting box in a rotating mode on the two sides, idler wheels are arranged on the collecting box in a rotating mode on the two sides, a first opening is formed in one side of the collecting box, a second opening is formed in the collecting box, and the conveyor belt penetrates through the first opening.
In a preferred embodiment of the invention, the collecting box further comprises a partition plate, a fourth rotating rod, an inclined plate and a second spring, the partition plate is arranged on the inner side of the collecting box, the fourth rotating rod is rotatably arranged on the collecting box, the inclined plate is arranged on the fourth rotating rod, and the second spring is arranged between the lower part of the inclined plate and the collecting box.
In a preferred embodiment of the present invention, the bottom plate is made of stainless steel, and the bottom plate is used for installation.
The invention has the beneficial effects that: when the device is used, the pins of the circuit board which is conveyed can be cut off through the cutting assemblies, and the cutting assemblies are arranged on the front side and the rear side of the device, so that the pins on the two sides of the circuit board can be cut off simultaneously, the labor intensity of people is greatly reduced, and the working efficiency of people is improved; can collect the pin of being cut through the collection fill of shearing subassembly below, collect and fight the below and be equipped with the conveyer belt, the pin of being cut is fought through collecting and is collected by the conveyer belt conveying to the collecting box in, so, can reduce manual operation to can further reduce people's intensity of labour.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is an enlarged view of the present invention A.
Fig. 3 is a schematic perspective view of a portion of a first angle of the present invention.
FIG. 4 is an enlarged view of the present invention B.
Fig. 5 is a partial perspective view of a second angle of the present invention.
Fig. 6 is a partial perspective view of a third angle of the present invention.
FIG. 7 is an enlarged schematic view of invention C.
Fig. 8 is a schematic top view of the present invention.
Fig. 9 is a rear view structure diagram of the novel application.
FIG. 10 is a side view of the present invention.
The parts are labeled as follows: 1. a bottom plate, 2, a first bracket, 3, a first rotating rod, 4, a first roller, 5, a first belt, 6, a limiting frame, 601, a circuit board, 602, a pin, 7, a second bracket, 8, a motor, 9, a bump, 10, a first supporting frame, 11, a second rotating rod, 12, a transmission rod, 13, a first connection rod, 14, a guide block, 15, a second connection rod, 16, a connection rod, 17, a first fixing block, 18, a first spring, 19, a first blade, 20, a guide groove, 21, a second blade, 22, a transmission wheel, 23, a second fixing block, 24, a third rotating rod, 25, a second belt, 26, a second roller, 27, a second supporting frame, 28, a third roller, 29, a transmission belt, 30, a third bracket, 31, a collecting hopper, 32, a collecting box, 33, a universal wheel, 34, a roller, 35, a first opening, 351, a second opening, a separating plate, 37, a fourth rotating rod, 38. a sloping plate 39 and a second spring.
Detailed Description
Although the present invention may be described with respect to particular applications or industries, those skilled in the art will recognize the broader applicability of the invention. Those of ordinary skill in the art will recognize other factors such as: terms such as above, below, upward, downward, and the like are used to describe the accompanying drawings and are not meant to limit the scope of the invention, which is defined by the appended claims. Such as: any numerical designation of first or second, and the like, is merely exemplary and is not intended to limit the scope of the invention in any way.
Example 1
An integrated circuit board pin shearing machine for electronic production is disclosed, as shown in fig. 1-4, comprising a bottom plate 1, a first bracket 2, a first rotating rod 3, a first rotary drum 4, a first belt 5, a limiting frame 6, a second bracket 7, a motor 8 and a shearing assembly, wherein the first bracket 2 is symmetrically arranged at the front and back of the left and right sides of the top of the bottom plate 1, the first rotating rod 3 is rotatably arranged between the upper parts of the inner sides of the first brackets 2 at the front and back sides, the first rotary drum 4 is arranged on the first rotating rod 3, two first belts 5 are wound between the first rollers 4 at the left and right sides, the two first belts 5 are distributed front and back, the limiting frame 6 is arranged at the front and back sides of the top of the bottom plate 1, the top wall of the limiting frame 6 is positioned above the first belts 5 at the front and back sides, the circuit board 601 is uniformly arranged at the middle part of the top of the limiting frame 6 at the front and back sides, the front and back sides of the bottom of the circuit board 601 are contacted with the tops of the first belts 5 at the front and back sides, the bottom of the placed circuit board 601 is provided with a pin 602, the pin 602 is located between the inner sides of the limiting frames 6 on the front side and the rear side, the first roller 4 on the left portion is provided with a shearing assembly, the shearing assembly is used for shearing the pin 602 of the circuit board 601, the rear portion of the right side of the top of the bottom plate 1 is provided with a second support 7, the top of the second support 7 is provided with a motor 8, and an output shaft of the motor 8 is connected with the rear end of the first rotating rod 3 on the right side.
The shearing component comprises a convex block 9, a first support frame 10, a second rotating rod 11, a transmission rod 12, a first connection rod 13, a guide block 14, a second connection rod 15, a connection rod 16, a first fixing block 17, a first spring 18, a first blade 19 and a second blade 21, wherein the convex block 9 is uniformly arranged on the front side and the rear side of the left first roller 4, the first support frame 10 is arranged on the upper part of the inner side of the left first support frame 2, the second rotating rod 11 is arranged on the first support frame 10 in a rotating mode, the transmission rod 12 is arranged on the second rotating rod 11, the first connection rod 13 is arranged on the right end of the transmission rod 12 in a rotating mode, the guide block 14 is arranged on the inner side of the right part of the first support frame 10, the second connection rod 15 is arranged in a sliding mode in the guide block 14, the outer end of the second connection rod 15 is rotatably connected with the inner end of the first connection rod 13, the connecting rod 16 is arranged on the inner side of the top of the second connection rod 15, the first fixing block 17 is arranged on the inner side of the bottom of the second connection rod 15, the outer sides of the front and rear first fixing blocks 17 are respectively connected with first springs 18 between the front and rear first support frames 10, the first springs 18 penetrate through the guide blocks 14, guide grooves 20 are formed in the left sides of the bottoms of the front and rear limiting frames 6, first blades 19 are arranged in the guide grooves 20 in a sliding mode, the inner sides of the left portions of the front and rear limiting frames 6 are respectively connected with second blades 21, the first blades 19 are matched with the second blades 21, and the top ends of the connecting rods 16 are connected with the first blades 19.
When people need to cut off the pins 602 on the circuit board 601, firstly, the circuit board 601 is placed on the first belts 5 on the front side and the rear side, so that the pins 602 on the circuit board 601 are located between the limiting frames 6 on the front side and the rear side, then the motor 8 is started, the motor 8 drives the first rotating rod 3 to rotate anticlockwise, the first rotating rod 3 drives the first roller 4 on the right side to rotate anticlockwise, and then the first roller 4 on the right side can drive the first roller 4 on the left side to rotate anticlockwise through the first belt 5, so that the circuit board 601 can move to the left side through the first belt 5, meanwhile, the first roller 4 on the left side can drive the cutting assembly to work, the pins 601 of the circuit board passing through the cutting assembly are cut off, and after the cutting.
When the first roller 4 on the left side rotates counterclockwise, the first roller 4 drives the lugs 9 on the front and rear sides to rotate counterclockwise, and then the lugs 9 on the front and rear sides drive the transmission rods 12 on the front and rear sides to swing back and forth through the second rotating rods 11 on the front and rear sides, and when the lugs 9 on the front and rear sides rotate to contact with the left ends of the transmission rods 12 on the front and rear sides, the lugs 9 on the front and rear sides drive the left portions of the transmission rods 12 on the front and rear sides to swing outward through the second rotating rods 11 on the front and rear sides, and then the right portions of the transmission rods 12 on the front and rear sides to swing inward, so that the transmission rods 12 on the front and rear sides drive the second connecting rods 15 on the front and rear sides to move inward through the first connecting rods 13 on the front and rear sides, at this time, the first springs 18 on the front and rear sides are stretched, the second connecting rods 15 on the front and rear sides drive the connecting rods 16 on the front and rear sides to move inward, and the connecting rods 16 on the front and rear sides drive the first blades 19 on the front and rear sides to move inward, therefore, the pins 602 of the circuit board 601 conveyed by the first belt 5 are sheared by matching with the second blades 21, when the left ends of the front and rear transmission rods 12 leave the convex part contacting with the convex part 9, the front and rear second connecting rods 15 can be reset under the elastic force action of the front and rear first springs 18, and further the front and rear second connecting rods 15 can drive the front and rear transmission rods 12 to swing and reset through the front and rear first connecting rods 13.
Example 2
On the basis of the embodiment 1, as shown in fig. 5 to 10, the device further comprises a transmission wheel 22, a second fixed block 23, a third rotating rod 24, a second belt 25, a second roller 26, a second supporting frame 27, a third roller 28, a transmission belt 29, a third support 30, a collecting hopper 31, a collecting box 32, a universal wheel 33 and a roller 34, wherein the second fixed block 23 is symmetrically arranged on the left side of the top of the bottom plate 1 in front and back, the third rotating rod 24 is rotatably arranged between the second fixed blocks 23 on the front and back sides, the second transmission wheel 22 is arranged on the rear portion of the third rotating rod 24 and the output shaft of the motor 8, the second belt 25 is wound between the transmission wheels 22 on the left and right sides, the second roller 26 is arranged on the front portion of the third rotating rod 24, the second supporting frame 27 is symmetrically arranged on the front and back of the left front portion of the top of the bottom plate 1 in front and back, the third roller 28 is rotatably arranged between the left upper portion of the second supporting frame 27, the transmission belt 29 is wound between the second roller 26 and the third roller 28, the symmetry is equipped with third support 30 around 1 top left side of bottom plate, conveyer belt 29 is located between the third support 30 around, be equipped with between the third support 30 inboard and collect and fight 31, it is located third bull stick 24 left side to collect fight 31, 1 left side front portion of bottom plate is equipped with collecting box 32, the equal rotary type in both sides right part below is equipped with universal wheel 33 around the collecting box 32, the equal rotary type in both sides left part below is equipped with gyro wheel 34 around the collecting box 32, open first opening 35 below the collecting box 32 right wall, open collecting box 32 diapire has second opening 351, conveyer belt 29 passes first opening 35.
The collecting box 32 is characterized by further comprising a partition plate 36, a fourth rotating rod 37, an inclined plate 38 and a second spring 39, the partition plate 36 is arranged on the lower portion of the inner side of the collecting box 32, the fourth rotating rod 37 is rotatably arranged above the right portion of the inner side of the rear wall of the collecting box 32, the inclined plate 38 is arranged on the fourth rotating rod 37, and the second spring 39 is arranged between the lower portion of the inclined plate 38 and the inner side of the right wall of the collecting box 32.
The bottom plate 1 is made of stainless steel, the stainless steel is not easy to rust, and the service life of the bottom plate 1 is prolonged.
The pins 602 on the cut circuit board 601 will fall into the collecting hopper 31 and then fall onto the conveyor belt 29, when the motor 8 rotates counterclockwise, the output shaft of the motor 8 will drive the third rotating rod 24 to rotate counterclockwise through the transmission wheel 22 and the second belt 25, and then the third rotating rod 24 will drive the third roller 28 to rotate counterclockwise through the second roller 26 and the conveyor belt 29, so that the conveyor belt 29 will drive the cut pins 602 to move to the left and enter the collecting box 32 through the first opening 35, and the pins 602 falling into the collecting hopper 31 can be conveyed to the lower layer in the collecting box 32 through the transportation of the conveyor belt 29, thereby facilitating the collection.
After the pins 602 are cut off from the circuit board 601, the circuit board 601 may slide down to the inclined plate 38 through the transportation of the first belt 5, the circuit board 601 sliding down to the inclined plate 38 may slide down to the upper layer of the collection box 32, because the inclined plate 38 has a certain friction force, the kinetic energy of the circuit board 601 may be reduced in the process of the circuit board 601 falling, thereby reducing the impact force when the circuit board 601 falls down to the collection box 32, the circuit board 601 falls down on the inclined plate 38 to drive the second spring 39 to compress, and further reducing the impact force when the circuit board 601 falls down to the collection box 32.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (4)
1. The utility model provides an integrated circuit board cuts foot machine for electronic production which characterized by including:
the device comprises a bottom plate, at least four first supports with mounting functions are arranged on the upper side surface of the bottom plate, first rotating rods are rotatably arranged between two first supports positioned on the same side, first rollers are arranged on the first rotating rods, and two first belts with the functions of a transmission circuit board are wound between the two first rollers;
the limiting frames are fixedly arranged on the bottom plate, at least two limiting frames are arranged on the limiting frames, circuit boards are uniformly placed on the limiting frames, the circuit boards are in contact with the first belt, pins are arranged at the bottoms of the placed circuit boards, and the pins are located between the two limiting frames;
the cutting assembly is arranged on one of the first rollers and used for cutting pins of the circuit board, the bottom plate is provided with a second support, the upper side surface of the second support is provided with a motor, and an output shaft of the motor is connected with the first rotating rod;
the shearing component comprises a convex block, a first support frame, a second rotating rod, a transmission rod, a first connecting rod, a guide block, a second connecting rod, a first fixed block, a first spring, a first blade and a second blade, wherein the first roller is uniformly provided with the convex block, the inner side of the first support frame is provided with the first support frame, the first support frame is provided with the second rotating rod in a rotating mode, the second rotating rod is provided with the transmission rod, the end part of the transmission rod is provided with the first connecting rod in a rotating mode, the end part of the first support frame is provided with the guide block, the guide block is internally provided with the second connecting rod in a sliding mode, the second connecting rod is connected with the first connecting rod in a rotating mode, one side of the second connecting rod is provided with the connecting rod, one side of the second connecting rod is provided with the first fixed block, and one side of the first fixed block is connected with the first spring between the first support frame, the first spring penetrates through the guide block, a guide groove is formed in one side of the limiting frame, a first blade is arranged in the guide groove in a sliding mode, a second blade is connected to one side of the limiting frame and matched with the first blade, a second blade is connected to one side of the limiting frame, and a connecting rod is connected with the first blade.
2. The pin shearing machine for the integrated circuit board for electronic production as claimed in claim 1, further comprising a driving wheel, second fixing blocks, a third rotating rod, a second belt, second rollers, second supporting frames, a third roller, a conveying belt, a third support, a collecting hopper, a collecting box, a universal wheel and a roller, wherein at least two second fixing blocks are arranged on one side of the base plate, the third rotating rod is rotatably arranged between the second fixing blocks, the driving wheel is arranged on each of the third rotating rod and an output shaft of the motor, the second belt is wound between the driving wheels, the second roller is arranged on the third rotating rod, at least two second supporting frames are arranged on one side of the base plate, the third roller is rotatably arranged on the second supporting frames, the conveying belt is wound between the second roller and the third roller, the third support is arranged on the base plate, the number of the third supports is at least 4, be equipped with between the third support inboard and collect the fill, it is located one side of third bull stick to collect the fill, one side of bottom plate is equipped with the collecting box, the equal rotary type in both sides is equipped with the universal wheel on the collecting box, the equal rotary type in both sides of collecting box is equipped with the gyro wheel, open one side of collecting box has first opening, it has the second opening to open on the collecting box, the conveyer belt passes first opening.
3. The pin shearing machine for the integrated circuit board for electronic production as claimed in claim 2, further comprising a partition plate, a fourth rotating rod, an inclined plate and a second spring, wherein the partition plate is disposed inside the collecting box, the fourth rotating rod is rotatably disposed on the collecting box, the inclined plate is disposed on the fourth rotating rod, and the second spring is disposed between the lower portion of the inclined plate and the collecting box.
4. The pin shearing machine for the integrated circuit board for electronic production as claimed in claim 3, wherein the material of said bottom plate is stainless steel, and said bottom plate is used for mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158076.2A CN111299462B (en) | 2020-03-09 | 2020-03-09 | Pin shearing machine for integrated circuit board for electronic production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158076.2A CN111299462B (en) | 2020-03-09 | 2020-03-09 | Pin shearing machine for integrated circuit board for electronic production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111299462A CN111299462A (en) | 2020-06-19 |
| CN111299462B true CN111299462B (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010158076.2A Active CN111299462B (en) | 2020-03-09 | 2020-03-09 | Pin shearing machine for integrated circuit board for electronic production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111299462B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248123B (en) * | 2021-12-28 | 2023-04-28 | 江苏南高智能装备创新中心有限公司 | Numerical control machining equipment with good cooling effect and safety protection function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323534A (en) * | 1995-04-27 | 1996-12-10 | Nishii Kosakusho:Kk | Cut wire rod bundling device |
| JP2004174545A (en) * | 2002-11-26 | 2004-06-24 | Asahi-Seiki Mfg Co Ltd | Wire forming machine |
| CN203235871U (en) * | 2013-05-20 | 2013-10-16 | 温州大学 | Circuit board foot cutter |
| CN208210580U (en) * | 2018-03-29 | 2018-12-07 | 昆山金力精工电子模具有限公司 | A kind of PCB circuit board cuts foot tooling |
| CN209035362U (en) * | 2018-11-09 | 2019-06-28 | 漳浦比速光电科技有限公司 | A kind of lighting apparatus production LED foot cut device |
-
2020
- 2020-03-09 CN CN202010158076.2A patent/CN111299462B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323534A (en) * | 1995-04-27 | 1996-12-10 | Nishii Kosakusho:Kk | Cut wire rod bundling device |
| JP2004174545A (en) * | 2002-11-26 | 2004-06-24 | Asahi-Seiki Mfg Co Ltd | Wire forming machine |
| CN203235871U (en) * | 2013-05-20 | 2013-10-16 | 温州大学 | Circuit board foot cutter |
| CN208210580U (en) * | 2018-03-29 | 2018-12-07 | 昆山金力精工电子模具有限公司 | A kind of PCB circuit board cuts foot tooling |
| CN209035362U (en) * | 2018-11-09 | 2019-06-28 | 漳浦比速光电科技有限公司 | A kind of lighting apparatus production LED foot cut device |
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| CN111299462A (en) | 2020-06-19 |
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Effective date of registration: 20210903 Address after: 211500 No. 59 Wang Qiao Road, Xiongzhou Street, Liuhe District, Nanjing City, Jiangsu Province Applicant after: Nanjing multi base Observation Technology Research Institute Co., Ltd Address before: 330201 Room 101, building 7, Jingcheng Mingjun, No. 2955, Jinsha Second Road, Changnan new town, Nanchang County, Nanchang City, Jiangxi Province Applicant before: Dai Changhu |
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