CN109365997B - Laser marking machine with tail gas emission function - Google Patents

Laser marking machine with tail gas emission function Download PDF

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Publication number
CN109365997B
CN109365997B CN201811067963.8A CN201811067963A CN109365997B CN 109365997 B CN109365997 B CN 109365997B CN 201811067963 A CN201811067963 A CN 201811067963A CN 109365997 B CN109365997 B CN 109365997B
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China
Prior art keywords
fixedly connected
box body
laser
adjusting device
fixed
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Active
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CN201811067963.8A
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Chinese (zh)
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CN109365997A (en
Inventor
刘定胜
唐廪实
丁茂林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Bojiye Photoelectric Technology Co ltd
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Wuhan Bojiye Photoelectric Technology Co ltd
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Priority to CN201811067963.8A priority Critical patent/CN109365997B/en
Publication of CN109365997A publication Critical patent/CN109365997A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0869—Devices involving movement of the laser head in at least one axial direction
    • B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/083—Devices involving movement of the workpiece in at least one axial direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/361—Removing material for deburring or mechanical trimming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/362—Laser etching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0247—Driving means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0252—Steering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention relates to the technical field of mechatronics, in particular to a laser marking machine with a tail gas emission function, which comprises a first box body, wherein one side of the upper surface of the first box body is fixedly connected with a fixed column through a fixed block, a first placing groove is arranged below an end cover in the fixed column, a height adjusting device is fixedly arranged above a baffle in the first placing groove, one side of the fixed column is fixedly provided with a sliding groove, one side of the height adjusting device, which is close to the sliding groove, is fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the height adjusting device, is fixedly connected with an L-shaped plate, one side of the bottom end of the L-shaped plate is fixedly connected with a supporting plate, the upper surface of the supporting plate is fixedly connected with a first telescopic cylinder, one side of the upper surface of the first box body, which is. The invention has simple structure and is worth popularizing.

Description

Laser marking machine with tail gas emission function
Technical Field
The invention relates to the technical field of mechatronics, in particular to a laser marking machine with a tail gas emission function.
Background
The laser marking machine is an optical, electromechanical integrated device integrating laser technology and computer technology. The application of laser marking technology in domestic and foreign industries is being gradually emphasized by people, and various novel marking devices come out endlessly, and replace the traditional marking method with the unique advantages. The existing laser marking machine does not consider the emission of tail gas generated in the processing process, and the tail gas is accumulated day by day, so that a large amount of tail gas can cause the blockage of a plurality of places in the equipment.
Disclosure of Invention
The invention aims to solve the defect that tail gas can cause blockage in a plurality of places in equipment in the prior art, and provides a laser marking machine with a tail gas emission function.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing a laser marking machine with a tail gas emission function, comprising a first box body, wherein one side of the upper surface of the first box body is fixedly connected with a fixed column through a fixed block, one end of the fixed column, which is far away from the fixed block, is in threaded connection with an end cover, a first placing groove is arranged in the fixed column and below the end cover, a baffle is arranged in the first placing groove, a height adjusting device is fixedly arranged in the first placing groove and above the baffle, one side of the fixed column is fixedly provided with a sliding groove, one side of the height adjusting device, which is close to the sliding groove, is fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the height adjusting device, extends to the outer side of the fixed column through the sliding groove, one end of the connecting rod, which is far away from the height adjusting device, is fixedly connected with, the upper surface of the supporting plate is fixedly connected with a first telescopic cylinder, a chute is arranged inside the L-shaped plate, a sliding block is connected in the chute in a sliding manner, one side of the sliding block, which is far away from the chute, is fixedly connected with a placing rack, laser equipment is fixedly connected inside the placing rack, a through hole is arranged below the laser equipment on the placing rack, one side of the upper surface of the first box, which is far away from the fixed column, is fixedly connected with a position adjusting device, a tail gas discharging device is fixedly arranged on the first box between the fixed column and the position adjusting device, one side of the first box is provided with a plurality of heat dissipation holes, one side of the first box is fixedly connected with a controller, one side of the first box, which is located on the controller, is fixedly connected with a display screen, the height adjusting device comprises a servo motor, and the servo motor, the servo motor is fixed in the first placing groove through a fixing frame, a second placing groove is arranged below the servo motor, a limiting sliding groove is arranged on one side of the second placing groove, a screw rod is fixedly connected with the output end of the servo motor, one end of the screw rod, far away from the servo motor, penetrates through the baffle plate and extends into the second placing groove, a bearing seat is fixedly connected with the bottom end of the second placing groove, one end of the screw rod, far away from the servo motor, is fixed on the bearing seat, a moving block is fixedly arranged on the screw rod, the screw rod penetrates through the moving block, one side, close to the limiting sliding groove, of the moving block is fixedly connected with a limiting block, one side, far away from the moving block, of the limiting block is positioned in the limiting sliding groove, the position adjusting device comprises two protrusions which are arranged in parallel, and, the tail gas discharging device comprises a box body, a plurality of air inlets are formed in one side of the box body, an air suction funnel is fixedly arranged in the box body, a guide pipe is fixedly connected to the bottom end of the air suction funnel, a pipeline frame is fixedly arranged in the first box body, a second box body is fixedly connected to one side of the first box body, an air suction pump is fixedly arranged in the second box body, one end, far away from the air suction funnel, of the guide pipe sequentially passes through the pipeline frame and the second box body and is fixed to the air suction pump, an exhaust pipe is fixedly connected to the air outlet of the air suction pump, and one end, far away from the air suction pump, of the exhaust pipe extends to the outer side of the second box body.
Preferably, laser equipment includes laser emitter, laser emitter's bottom fixedly connected with beam expanding device, beam expanding device keeps away from laser emitter's one end fixedly connected with laser head, the fixed laser gathering device that is equipped with on the laser head.
Preferably, the controller is connected with the height adjusting device, the first telescopic cylinder, the laser equipment, the position adjusting device, the tail gas discharging device and the display screen through wires.
The invention provides a laser marking machine with a tail gas emission function, which has the beneficial effects that: the invention enables the processing material to be positioned under the laser device through the position adjusting device,
the controller controls the suction pump, absorbs gas in the processing process, and the gas is discharged through the exhaust pipe, so that the gas can not enter the equipment from the gap of the equipment, the internal blockage of the equipment is caused, the structure is simple, and the internal blockage of the equipment can not be caused.
Drawings
FIG. 1 is a schematic structural diagram of a laser marking machine with a tail gas emission function according to the present invention;
FIG. 2 is an enlarged partial view taken at A1 of FIG. 1;
FIG. 3 is a schematic front view of a laser marking machine with a tail gas emission function according to the present invention;
FIG. 4 is a schematic cross-sectional view of a laser marking machine with an exhaust emission function according to the present invention;
fig. 5 is a schematic cross-sectional structure view of a fixing column according to the present invention.
In the figure: the device comprises a first box body 1, a fixed block 2, a fixed column 3, an end cover 4, a first placing groove 5, a baffle 6, a height adjusting device 7, a sliding groove 8, a connecting rod 9, an L-shaped plate 10, a supporting plate 11, a first telescopic cylinder 12, a sliding block 13, a placing frame 14, a through hole 15, a laser device 16, a position adjusting device 17, a tail gas discharging device 18, a heat radiating hole 19, a controller 20, a display screen 21, a fixing frame 71, a servo motor 72, a second placing groove 73, a bearing seat 74, a screw 75, a moving block 76, a limiting block 77, a limiting sliding groove 78, a laser emitter 161, a beam expanding device 162, a laser head 163, a laser gathering device 164, a protrusion 171, a processing plate 172, a second telescopic cylinder 173, a box body 181, 182, an air suction funnel 183, a conduit air inlet 184, a pipeline bracket 185, a second box.
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.
Referring to fig. 1-5, a laser marking machine with tail gas emission function, including first box 1, fixed column 3 is connected through fixed block 2 fixedly on one side of the upper surface of first box 1, the one end threaded connection that fixed block 2 was kept away from to fixed column 3 has end cover 4, end cover 4's effect is conveniently opened fixed column 3 and is maintained, be located the below of end cover 4 in fixed column 3 and be equipped with first standing groove 5, be equipped with baffle 6 in the first standing groove 5, be located the fixed high adjusting device 7 that is equipped with in the top of baffle 6 in the first standing groove 5.
The height adjusting device 7 comprises a servo motor 72, the servo motor 72 is connected with an external power supply through a lead, the servo motor 72 is fixed in the first placing groove 5 through a fixing frame 71, a second placing groove 73 is arranged below the servo motor 72, a limit sliding groove 78 is arranged on one side of the second placing groove 73, a screw 75 is fixedly connected with the output end of the servo motor 72, the screw 75 is used for driving a moving block 76 to move up and down, one end, far away from the servo motor 72, of the screw 75 penetrates through the baffle 6 and extends into the second placing groove 73, a bearing seat 74 is fixedly connected with the bottom end of the second placing groove 73, one end, far away from the servo motor 72, of the screw 75 is fixed on the bearing seat 74, a moving block 76 is fixedly arranged on the screw 75, the screw 75 penetrates through the moving block 76, a limit block 77 is fixedly connected with one side, close to the, the limiting block 77 and the limiting sliding groove 78 act together, so that the moving block 76 can move stably on the screw 75, and the sliding groove 8 is fixedly arranged on one side of the fixed column 3.
Height-adjusting device 7 is close to one side fixedly connected with connecting rod 9 of sliding tray 8, the one end that height-adjusting device 7 was kept away from to connecting rod 9 passes through sliding tray 8 and extends to the outside of fixed column 3, one end fixedly connected with L template 10 of height-adjusting device 7 is kept away from to connecting rod 9, bottom one side fixedly connected with backup pad 11 of L template 10, the first telescopic cylinder 12 of last fixed surface of backup pad 11 is connected with, the effect of first telescopic cylinder 12 promotes rack 14 and removes, adjust the position of laser equipment 16, the inside of L template 10 is equipped with the spout, sliding connection has slider 13 in the spout, one side fixedly connected with rack 14 that slider 13 kept away from the spout, rack 14's inside fixedly connected with laser equipment 16, laser equipment 16's effect is to the material laser marking.
Laser equipment 16 includes laser emitter 161, laser emitter 161's bottom fixedly connected with beam expanding device 162, beam expanding device 162's effect is the size of adjusting the printing mark, beam expanding device 162 keeps away from laser emitter 161's one end fixedly connected with laser head 163, the fixed laser aggregation device 164 that is equipped with on the laser head 163, the below that lies in laser equipment 16 on the rack 14 is equipped with through-hole 15, through-hole 15's effect is so that laser can shine on the material, one side fixedly connected with position control device 17 of fixed column 3 is kept away from to the upper surface of first box 1.
Position control device 17 includes two parallel arrangement's arch 171, protruding 171's effect is so that processing board 172 can the horizontal slip, protruding 171's upper end sliding connection has processing board 172, processing material is placed to processing board 172's effect, the equal fixedly connected with second telescopic cylinder 173 in both sides that lies in fixed column 3 on the first box 1, second telescopic cylinder 173's effect is promotion processing board 172, adjust the position of processing material, make processing material be located laser equipment 16 under, every second telescopic cylinder 173's output all with processing board 172 fixed connection, lie in fixed column 3 and position control device 17 on the first box 1 between the fixed exhaust emission device 18 that is equipped with.
The tail gas discharge device 18 comprises a box body 181, a plurality of gas inlet holes 182 are formed in one side of the box body 181, the gas inlet holes 182 are used for allowing gas to enter the box body 181, a suction funnel 183 is fixedly arranged in the box body 181, a guide pipe 184 is fixedly connected to the bottom end of the suction funnel 183, the guide pipe 184 is used for guiding the gas out, a pipeline rack 185 is fixedly arranged in the first box body 1, the pipeline rack 185 is used for fixing the guide pipe 184, a second box body 186 is fixedly connected to one side of the first box body 1, a suction pump 187 is fixedly arranged in the second box body 186, the suction pump 187 is used for sucking the gas into the box body 181, one end, far away from the suction funnel 183, of the guide pipe 184 sequentially passes through the pipeline rack 185 and the second box body 186 and is fixed on the suction pump 187, a gas outlet of the suction pump 187 is fixedly connected with a gas outlet pipe 188.
One side of first box 1 is equipped with a plurality of louvre 19, and one side fixedly connected with controller 20 of first box 1, the fixedly connected with display screen 21 of one side that lies in controller 20 on the first box 1, and controller 20 passes through wire connection height adjusting device 7, first telescopic cylinder 12, laser equipment 16, position control device 17, tail gas exhaust device 18 and display screen 21.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (3)

1. The utility model provides a laser marking machine with tail gas emission function, includes first box (1), its characterized in that, fixed block (2) fixedly connected with fixed column (3) are passed through to upper surface one side of first box (1), one end threaded connection that fixed block (2) were kept away from in fixed column (3) has end cover (4), be located in fixed column (3) the below of end cover (4) is equipped with first standing groove (5), be equipped with baffle (6) in first standing groove (5), be located in first standing groove (5) the fixed high adjusting device (7) that are equipped with in top of baffle (6), one side of fixed column (3) is fixed and is equipped with sliding tray (8), high adjusting device (7) are close to one side fixedly connected with connecting rod (9) of sliding tray (8), connecting rod (9) are kept away from the one end of high adjusting device (7) is passed through sliding tray (8) extend to fixedly The outside of post (3), keep away from connecting rod (9) one end fixedly connected with L template (10) of height adjusting device (7), bottom one side fixedly connected with backup pad (11) of L template (10), the first telescopic cylinder (12) of last fixed surface of backup pad (11), the inside of L template (10) is equipped with the spout, sliding connection has slider (13) in the spout, slider (13) are kept away from one side fixedly connected with rack (14) of spout, the inside fixedly connected with laser equipment (16) of rack (14), lie in on rack (14) the below of laser equipment (16) is equipped with through-hole (15), the upper surface of first box (1) is kept away from one side fixedly connected with position adjusting device (17) of fixed column (3), lie in on first box (1) fixed column (3) with the fixed establishment between position adjusting device (17) is put There is a tail gas emission device (18), one side of the first box body (1) is provided with a plurality of heat dissipation holes (19), one side of the first box body (1) is fixedly connected with a controller (20), one side of the first box body (1) located on the controller (20) is fixedly connected with a display screen (21), the height adjusting device (7) comprises a servo motor (72), the servo motor (72) is connected with an external power supply through a wire, the servo motor (72) is fixed in the first placing groove (5) through a fixing frame (71), a second placing groove (73) is arranged below the servo motor (72), one side of the second placing groove (73) is provided with a limit sliding groove (78), an output end of the servo motor (72) is fixedly connected with a screw rod (75), one end of the screw rod (75) far away from the servo motor (72) penetrates through the baffle (6) and extends into the second placing groove (73), a bearing seat (74) is fixedly connected to the bottom end of the second placing groove (73), one end, far away from the servo motor (72), of the screw rod (75) is fixed to the bearing seat (74), a moving block (76) is fixedly arranged on the screw rod (75), the screw rod (75) penetrates through the moving block (76), one side, close to the limiting sliding groove (78), of the moving block (76) is fixedly connected with a limiting block (77), one side, far away from the moving block (76), of the limiting block (77) is located in the limiting sliding groove (78), the position adjusting device (17) comprises two protrusions (171) which are arranged in parallel, a processing plate (172) is slidably connected to the upper ends of the protrusions (171), second telescopic cylinders (173) are fixedly connected to two sides, located on the fixed column (3), of the first box body (1), and output ends of each second telescopic cylinder (173) are fixedly connected with the processing plate (172), the tail gas discharge device (18) comprises a box body (181), one side of the box body (181) is provided with a plurality of air inlet holes (182), an air suction funnel (183) is fixedly arranged in the box body (181), the bottom end of the air suction funnel (183) is fixedly connected with a guide pipe (184), a pipeline bracket (185) is fixedly arranged in the first box body (1), a second box body (186) is fixedly connected with one side of the first box body (1), a suction pump (187) is fixedly arranged in the second box body (186), one end of the conduit (184) far away from the suction funnel (183) sequentially passes through the pipeline bracket (185) and the second box body (186) and is fixed on the suction pump (187), an air outlet of the suction pump (187) is fixedly connected with an exhaust pipe (188), and one end, far away from the suction pump (187), of the exhaust pipe (188) extends to the outer side of the second box body (186).
2. The laser marking machine with the exhaust emission function of claim 1, wherein the laser device (16) comprises a laser emitter (161), a beam expanding device (162) is fixedly connected to the bottom end of the laser emitter (161), a laser head (163) is fixedly connected to one end, away from the laser emitter (161), of the beam expanding device (162), and a laser gathering device (164) is fixedly arranged on the laser head (163).
3. The laser marking machine with the exhaust emission function of claim 1, characterized in that the controller (20) is connected with the height adjusting device (7), the first telescopic cylinder (12), the laser device (16), the position adjusting device (17), the exhaust emission device (18) and the display screen (21) through wires.
CN201811067963.8A 2018-09-13 2018-09-13 Laser marking machine with tail gas emission function Active CN109365997B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811067963.8A CN109365997B (en) 2018-09-13 2018-09-13 Laser marking machine with tail gas emission function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811067963.8A CN109365997B (en) 2018-09-13 2018-09-13 Laser marking machine with tail gas emission function

Publications (2)

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CN109365997A CN109365997A (en) 2019-02-22
CN109365997B true CN109365997B (en) 2021-04-09

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206049029U (en) * 2016-07-29 2017-03-29 董宜林 A kind of metal laser marking machine
CN206747782U (en) * 2017-04-18 2017-12-15 河南省邮电印刷厂 A kind of dust arrester for laser engraving machine
CN207013863U (en) * 2017-05-17 2018-02-16 龙旗电子(惠州)有限公司 A kind of intelligent mobile phone battery productive power pole bonding machine
CN206966877U (en) * 2017-05-23 2018-02-06 济南华信激光科技有限公司 A kind of auto-focusing laser marking machine
CN207629408U (en) * 2017-12-18 2018-07-20 重庆双五汽车零部件有限公司 A kind of laser marking machine

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Effective date of registration: 20210311

Address after: Room 101, zone 7, building 2, Zhongbo Industrial Park, No.10, Gaoxin 6th Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000

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Address before: 430000 No.3 carriage of Wuhan Dongfang innovative packaging products factory, Yangguang Avenue, economic development zone, Jiangxia District, Wuhan City, Hubei Province

Applicant before: Wuhan Jueding Photoelectric Co.,Ltd.

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