CN110802840B - Equipment for automatically testing quality of laser light path - Google Patents

Equipment for automatically testing quality of laser light path Download PDF

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Publication number
CN110802840B
CN110802840B CN201911098599.6A CN201911098599A CN110802840B CN 110802840 B CN110802840 B CN 110802840B CN 201911098599 A CN201911098599 A CN 201911098599A CN 110802840 B CN110802840 B CN 110802840B
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Prior art keywords
laser beam
laser
light spot
main support
module
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CN201911098599.6A
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CN110802840A (en
Inventor
郑炎明
巫国宝
吴春鹏
陈智伟
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Wu Guobao
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Westan Xiamen Industrial Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/264—Arrangements for irradiation
    • B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/10—Formation of a green body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/30—Process control
    • B22F10/36—Process control of energy beam parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/40—Radiation means
    • B22F12/44—Radiation means characterised by the configuration of the radiation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/40—Radiation means
    • B22F12/49—Scanners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • 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
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention relates to a device for automatically testing the quality of a laser light path, which comprises a main support, wherein the main support is provided with an electric control board, a working area, an electronic magnifier, a display screen, a laser emitter, a variable light spot module, a galvanometer and a field lens, and a laser generator is arranged at the top end of the main support; the invention can effectively detect the pulse response time of the laser generator, the power, the divergence angle, the ellipticity and the energy distribution of the generated laser beam, prevent the laser from being replaced or processed after being tested on the computer, control the abnormality at the front section and greatly improve the working efficiency. Meanwhile, the quality of the relevant parameters of the galvanometer can be detected.

Description

Equipment for automatically testing quality of laser light path
Technical Field
The invention relates to the field of 3D printing, in particular to equipment for automatically testing the quality of a laser light path.
Background
3D printing, which is one of the rapid prototyping technologies, is also called additive manufacturing, which is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like, and by printing layer by layer, based on a digital model file. 3D printing is typically achieved using digital technology material printers. The laser 3D printing technology is high-precision metal part laser 3D printing equipment which is ahead in efficiency and largest in printing part size in the world at present.
The laser generator is a core component of the laser 3D printer, and the pulse response time of the laser generator, the power of the generated laser beam, the divergence angle, the ellipticity, the energy distribution and the like are all important parameters of the laser generator. The laser 3D printer relies on the laser beam that laser generator produced to accord with the material and produce the effect, makes the material organizational structure regularity evolution of combined material in 3D printing process.
If the laser generator has quality defects, the requirement of 3D printing cannot be met, and if the power is too low, the printing is possibly unsuccessful, and a pot can be collapsed or a workpiece is softer. The response speed and the ovality influence the surface smoothness of the workpiece, the surface has chromatic aberration due to uneven energy distribution, and if the divergence angle is too large, the size of a light spot is influenced, so that the forming dimensional error is influenced.
The invention aims to design a device for automatically testing the quality of a laser light path aiming at the problems in the prior art.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides equipment for automatically testing the quality of a laser light path, which can effectively solve the problems in the prior art.
The technical scheme of the invention is as follows:
the equipment for automatically testing the quality of the laser light path comprises a main support, wherein the main support is provided with an electric control board, a working area, an electronic magnifier, a display screen, a laser emitter, a light spot changing module, a vibrating lens and a field lens, and the laser generator is arranged at the top end of the main support;
the electric control board is used for driving and controlling the laser transmitter, the variable light spot module and the galvanometer;
the laser generator is used for providing a laser beam;
the laser beam sequentially passes through the variable light spot module, the vibrating mirror and the field lens, the laser beam adjusts the size of a light spot through the variable light spot module, the propagation direction of the laser beam is vertical to the working area under the deflection action of the vibrating mirror, the field lens is used for focusing the laser beam, and the focus of the laser beam is focused on the working area;
the working area is flatly provided with thermal printing paper corresponding to the focus of the laser beam, the laser beam prints patterns on the thermal printing paper, the patterns are square frames and a plurality of parallel lines filled in the square frames, two ends of the parallel lines are connected with the square frames, and the thickness and the lightness of the parallel lines are equal;
the electronic magnifier is used for magnifying the patterns on the thermal printing paper and displaying the patterns on the display screen.
The main support is provided with a power detection meter at the emission port of the laser emitter and used for detecting the power of the laser beam.
And a total reflector group is arranged between the emission port of the laser emitter and the light spot changing module and is used for reflecting the laser beam and guiding the laser beam into the light spot changing module.
The total reflector group comprises two total reflectors which are arranged at an included angle of 45 degrees with the propagation direction of the laser beam respectively and deflect the propagation direction of the laser beam by 90 degrees.
Become facula module and contain the chamber that holds that comprises dust cover and base, it is close to hold the intracavity the fixed convex lens that is provided with of one end of mirror that shakes, it keeps away from to hold the intracavity the one end activity of mirror that shakes is provided with concave lens, convex lens with concave lens's center pin is in on the same straight line.
The base is fixedly provided with a transmission motor, the transmission motor is electrically connected to the electric control board, the rotating shaft of the transmission motor is connected with a transmission shaft, a movable seat is installed in the transmission of the transmission shaft, and the concave lens is arranged on the movable seat.
The main support is provided with a light spot analyzer, and the input end of the light spot analyzer and the input end of the variable light spot module are in the same straight line.
Accordingly, the present invention provides the following effects and/or advantages:
this product detects the light beam quality of laser through a plurality of step detection device.
1. Whether the power of the laser is attenuated or not can be effectively detected by the power detector.
2. The variable light spot group changes the size of the light spot, and can detect whether the divergence angle of the laser beam reaches the standard, whether the energy of the laser light spot is centralized, and the like.
3. By controlling the laser to draw corresponding line segments and patterns on the thermal printing paper, whether the pulse response speed is timely or not can be effectively detected.
4. By detecting the relevant parameters of the laser, the laser is prevented from being replaced or processed after being tested on the computer, and the abnormity is controlled at the front section, so that the working efficiency is greatly improved. Meanwhile, the quality of the relevant parameters of the galvanometer can be detected.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Fig. 3 is a schematic diagram of a propagation path of a laser beam.
FIG. 4 is a schematic structural diagram of the variable light spot module.
FIG. 5 is a schematic diagram of the variation of the laser beam in the variable spot module.
Fig. 6 shows a pattern 1 printed on thermal printing paper by laser beam.
Fig. 7 shows a pattern 2 printed on thermal printing paper by laser beams.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail by way of examples in conjunction with the accompanying drawings:
referring to fig. 1-5, an apparatus for automatically testing the quality of a laser light path comprises a main support 1, wherein the main support 1 is provided with an electrical control board 7, a working area 11, an electronic magnifier 9, a display screen 8, a laser emitter 3, a variable light spot module 4, a galvanometer 48 and a field lens 49, and the laser generator 3 is arranged at the top end of the main support 1;
the electric control board 7 is used for driving and controlling the laser emitter 3, the variable-spot module 4 and the galvanometer 48;
the laser generator 3 is used for providing laser beams;
the laser beam sequentially passes through the variable light spot module 4, the vibrating mirror 48 and the field lens 49, the laser beam adjusts the size of a light spot through the variable light spot module 4, the propagation direction of the laser beam is vertical to the working area 11 under the deflection action of the vibrating mirror 48, the field lens 49 is used for focusing the laser beam, and the focus of the laser beam is focused on the working area 11;
the working area 11 is provided with thermal printing paper 111 corresponding to the focus of the laser beam, the laser beam prints patterns on the thermal printing paper 111, the patterns are square frames and a plurality of parallel lines filled in the square frames, two ends of the parallel lines are connected with the square frames, and the thickness and the lightness of the parallel lines are equal;
the electronic magnifier 9 is used for magnifying the pattern on the thermal printing paper 111 and displaying the pattern on the display screen 8.
The main support 1 is provided with a power detector 5 at the emission port of the laser emitter 3 for detecting the power of the laser beam.
A total reflector group 6 is arranged between the emission port of the laser emitter 3 and the variable light spot module 4 and used for reflecting the laser beam and guiding the laser beam into the variable light spot module 4.
The total reflector group 6 comprises two total reflectors, and the total reflectors are arranged at an included angle of 45 degrees with the propagation direction of the laser beam respectively and deflect the propagation direction of the laser beam by 90 degrees.
Become facula module 4 and contain the chamber that holds that comprises dust cover 42 and base 41, it is close to hold the intracavity the fixed convex lens 46 that is provided with of one end of mirror 48 shakes, it keeps away from to hold the intracavity the one end activity of mirror 48 that shakes is provided with concave lens 47, convex lens 46 with concave lens 47's center pin is in same straight line.
The base 41 is fixedly provided with a transmission motor 43, the transmission motor 43 is electrically connected to the electric control board 7, a transmission shaft 44 is connected to a rotating shaft of the transmission motor 43, a movable seat 45 is installed on the transmission shaft 44 in a transmission mode, and the concave lens 47 is arranged on the movable seat 45.
The main support 1 is provided with a light spot analyzer 2, and the input end of the light spot analyzer 2 and the input end of the light spot changing module 4 are in the same straight line.
The working principle is as follows:
firstly, referring to fig. 3, the laser generator 3 emits a laser beam, the laser beam is incident into the spot changing module 4 under the action of the total reflecting mirror group 6, referring to fig. 4, the transmission motor 43 can adjust the distance between the convex lens 46 and the concave lens 47, and the spot changing module 4 adjusts the spot size of the laser beam through the matching between the convex lens 46 and the concave lens 47. Then, the propagation direction of the laser beam is changed to be directed perpendicularly to the working area 11 by the galvanometer 48, and the field lens 49 focuses the laser beam on the working area 11.
Facula analysis appearance 2 can directly accept laser beam after dismantling become facula module 4, detects the ellipticity and the energy distribution condition of facula to laser beam.
The electric control board 7 starts or stops the laser emitter 3 to emit the laser beam, and the galvanometer 48 controls the traveling path of the laser beam according to a program to print a pattern on the thermal printing paper 111.
Finally, the electronic amplifier 9 amplifies the pattern of the thermal printing paper 111 and displays it on the display screen 8. The staff determines the quality of the laser generator 3 and the quality of the light path of the laser beam emitted by it, according to the relevant pattern on the display screen 8.
Experimental data
The electrical control board 7 prints a square frame on the thermal printing paper 111 according to a program, and fills a plurality of parallel lines in the square frame, and the parallel lines are required to be connected with the square frame.
Referring to fig. 6, the parallel lines are equal in thickness and lightness, and the parallel lines are connected to the square frame. The pulse response time of the laser emitter is satisfactory, and the power of the emitted laser beam is uniform and the energy is controlled within a required range. The laser emitter and the laser beam are qualified.
Referring to fig. 7, the parallel lines have different thicknesses and different lightness, and the parallel lines are not connected to one end of the square frame. The laser emitter has longer required pulse response time, does not meet the quality requirement, and emits laser beams with non-uniform power and uncontrollable energy. The laser emitter is extremely laser beam disqualified.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.

Claims (7)

1. The utility model provides an automatic test laser light path quality's equipment, contains the main support, its characterized in that: the main support is provided with an electric control board, a working area, an electronic magnifier, a display screen, a laser emitter, a variable light spot module, a galvanometer and a field lens, and the laser emitter is arranged at the top end of the main support;
the electric control board is used for driving and controlling the laser transmitter, the variable light spot module and the galvanometer;
the laser generator is used for providing a laser beam;
the laser beam sequentially passes through the variable light spot module, the vibrating mirror and the field lens, the laser beam adjusts the size of a light spot through the variable light spot module, the propagation direction of the laser beam is vertical to the working area under the deflection action of the vibrating mirror, the field lens is used for focusing the laser beam, and the focus of the laser beam is focused on the working area;
the working area is flatly provided with thermal printing paper corresponding to the focus of the laser beam, the laser beam prints patterns on the thermal printing paper, the patterns are square frames and a plurality of parallel lines filled in the square frames, two ends of the parallel lines are connected with the square frames, and the thickness and the lightness of the parallel lines are equal;
the electronic magnifier is used for magnifying the patterns on the thermal printing paper and displaying the patterns on the display screen.
2. The apparatus of claim 1, wherein the apparatus comprises: the main support is provided with a power detection meter at the emission port of the laser emitter and used for detecting the power of the laser beam.
3. The apparatus of claim 1, wherein the apparatus comprises: and a total reflector group is arranged between the emission port of the laser emitter and the light spot changing module and is used for reflecting the laser beam and guiding the laser beam into the light spot changing module.
4. The apparatus of claim 3, wherein the apparatus comprises: the total reflector group comprises two total reflectors which are arranged at an included angle of 45 degrees with the propagation direction of the laser beam respectively and deflect the propagation direction of the laser beam by 90 degrees.
5. The apparatus of claim 1, wherein the apparatus comprises: become facula module and contain the chamber that holds that comprises dust cover and base, it is close to hold the intracavity the fixed convex lens that is provided with of one end of mirror that shakes, it keeps away from to hold the intracavity the one end activity of mirror that shakes is provided with concave lens, convex lens with concave lens's center pin is in on the same straight line.
6. The apparatus of claim 5, wherein the apparatus comprises: the base is fixedly provided with a transmission motor, the transmission motor is electrically connected to the electric control board, the rotating shaft of the transmission motor is connected with a transmission shaft, a movable seat is installed in the transmission of the transmission shaft, and the concave lens is arranged on the movable seat.
7. The apparatus of claim 1, wherein the apparatus comprises: the main support is provided with a light spot analyzer, and the input end of the light spot analyzer and the input end of the variable light spot module are in the same straight line.
CN201911098599.6A 2019-11-12 2019-11-12 Equipment for automatically testing quality of laser light path Active CN110802840B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111421816B (en) * 2020-02-29 2022-02-01 湖南大学 Multi-axis photocuring 3D micro-nano processing equipment and method for matching resin material with corresponding light source
CN111122127B (en) * 2020-03-12 2021-06-29 广东宏石激光技术股份有限公司 Method for measuring laser divergence angle
CN114474719B (en) * 2022-01-17 2022-10-04 浙江大学 Continuous fiber composite material in-situ additive manufacturing method for fusion forming quality real-time detection

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101219503A (en) * 2007-01-11 2008-07-16 株式会社迪思科 Laser processing apparatus
DE102010032800A1 (en) * 2010-07-30 2012-02-02 Isedo Ag Method and device for calibrating a laser processing machine
CN107498049A (en) * 2017-09-05 2017-12-22 洛阳华理研究院科技有限公司 A kind of light path device of self-action adjustable focus plane for 3D printing
CN207180996U (en) * 2017-09-18 2018-04-03 镇江金海创科技有限公司 A kind of laser optical path detection means and laser galvanometer system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070242269A1 (en) * 2004-03-06 2007-10-18 Michael Trainer Methods and apparatus for determining characteristics of particles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101219503A (en) * 2007-01-11 2008-07-16 株式会社迪思科 Laser processing apparatus
DE102010032800A1 (en) * 2010-07-30 2012-02-02 Isedo Ag Method and device for calibrating a laser processing machine
CN107498049A (en) * 2017-09-05 2017-12-22 洛阳华理研究院科技有限公司 A kind of light path device of self-action adjustable focus plane for 3D printing
CN207180996U (en) * 2017-09-18 2018-04-03 镇江金海创科技有限公司 A kind of laser optical path detection means and laser galvanometer system

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Effective date of registration: 20240129

Address after: No. 140-5 Xilin Xili, Siming District, Xiamen City, Fujian Province, 361000

Patentee after: Wu Guobao

Country or region after: China

Address before: 5 / F, No.3 workshop, 899 Maqing Road, Haicang District, Xiamen City, Fujian Province, 361000

Patentee before: WESTAN (XIAMEN) INDUSTRIAL Co.,Ltd.

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