CN113441967B - Workpiece clamping device of numerical control machine tool and application method of workpiece clamping device - Google Patents
Workpiece clamping device of numerical control machine tool and application method of workpiece clamping device Download PDFInfo
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- CN113441967B CN113441967B CN202110815818.9A CN202110815818A CN113441967B CN 113441967 B CN113441967 B CN 113441967B CN 202110815818 A CN202110815818 A CN 202110815818A CN 113441967 B CN113441967 B CN 113441967B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000003754 machining Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000001788 irregular Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the technical field of numerically-controlled machine tools, in particular to a clamping device for workpieces of a numerically-controlled machine tool and a using method thereof.
Description
Technical Field
The invention relates to the technical field of numerically-controlled machine tools, in particular to a clamping device for workpieces of a numerically-controlled machine tool and a use method thereof.
Background
As is known, a numerical control machine is simply called a numerical control machine, and is an automated machine equipped with a program control system capable of logically processing a program defined by a control code or other symbolic instruction, decoding it, representing it by a coded number, and inputting it to a numerical control device via an information carrier.
Through searching, the prior art (application number: CN 201921290456.0) discloses a workpiece clamping device of a numerical control machine tool, and the inventor finds that the following problems exist while realizing the prior art: 1. the clamping device is used for fixing the workpiece to a certain extent only through the fixing device, the corresponding clamping block clamping frame and other components, and the fixing mode makes the device difficult to reasonably clamp and fix the workpiece with irregular shape or larger size difference, so that the practicability is poor; 2. the device is difficult to rotate the workpiece at various angles, can not be matched with a machine tool better for machining, and has poor actual working effect; 3. the device is not stable enough to the fixed of work piece, makes the work piece appear the possibility that drops in subsequent work easily, and actual work effect is not good.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a clamping device for a workpiece of a numerical control machine tool and a use method thereof.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the clamping device for the workpiece of the numerical control machine tool comprises a chassis, wherein a first shaft sleeve is arranged at the top end of the chassis, a first support column is rotatably arranged at the top end of the shaft sleeve, a first gear is rotatably connected to the bottom end of the circumferential outer wall of the first support column, the first gear is fixedly connected with the first shaft sleeve, the left end of the first support column is provided with a first motor, the output end of the first motor is provided with a first output wheel, the first output wheel is meshed with the first gear, the upper area of the left end of the first support column is provided with a second shaft sleeve, the left end of the second shaft sleeve is rotatably provided with a second support column, the right end of the second support column is rotatably connected with a second gear, the second gear is fixedly connected with the second shaft sleeve, the bottom end of the second support column is provided with a second motor, the second output wheel is meshed with the second gear, the top end of the second support column is provided with a third shaft sleeve, and the top end of the third shaft sleeve is provided with a third support column, the right end of the third support column is provided with a third motor, the circumferential outer wall of the third support column is rotationally connected with a third gear which is fixedly connected with a third shaft sleeve, the output end of the third motor is provided with a third output wheel, the third output wheel is meshed with the third gear, the top end of the third support column is provided with a fixed block, the circumferential outer wall of the lower area of the fixed block is sleeved with a lower workbench, the circumferential outer wall of the upper area of the fixed block is sleeved with an upper workbench, the circumferential outer wall of the middle part of the fixed block is provided with a first sliding chute, the inside of the first sliding chute is provided with a plurality of first sliding blocks through a plurality of balls in a sliding manner, one end of each first sliding block is provided with a first screw rod, the circumferential inner wall of each first screw rod is sleeved with a screw sleeve, the top end of each screw sleeve is provided with a clamping jaw, the circumferential outer wall of the upper workbench is provided with a second sliding chute, the inside of each second sliding chute is provided with a second sliding block, and the one end of each slider all is provided with positioning screw, the circumference outer wall of going up the workstation is provided with a plurality of fixed pads to a plurality of second round holes have been seted up to the one end of fixed pad, and each positioning screw's one end all passes the second round hole to the outside extension of fixed pad, and positioning screw's circumference outer wall cover is equipped with the butterfly spiral shell knot.
Preferably, round holes are formed in four corners of the top end of the chassis, fixing bolts are arranged in the round holes, and the bottom ends of the fixing bolts penetrate through the round holes and extend to the bottom end of the chassis.
Preferably, a first round hole is formed in the top end of the fixing block, a supporting rod is arranged in the first round hole, and a sucking disc is arranged at the top end of the supporting rod.
Preferably, a magnet is arranged inside the top end of the supporting rod.
Preferably, the top end of the upper workbench is provided with a plurality of strip-shaped holes, the top end of the upper workbench is provided with a third chute, and the strip-shaped holes and the third chute are matched with the threaded sleeve.
Preferably, the clamping position of each clamping jaw is provided with an anti-slip pad, and each anti-slip pad is made of rubber.
Preferably, one end of each screw is provided with a rotating wheel.
A method of using the workpiece clamping device of the numerically controlled machine tool according to any one of claims 1-7, comprising the steps of:
the method comprises the steps that firstly, a chassis is fixed with the ground through a fixing bolt, a workpiece is placed on the upper portion of a sucker of a workbench, the workpiece is adsorbed through a magnet, and the workpiece is fixed at an optimal fixing position through a clamping jaw and a screw sleeve;
step two, screwing the screw rod I through each rotating wheel, reinforcing and clamping a workpiece through the clamping jaw, and rotating the workpiece through the cooperation between the motors III, so that the workpiece is more suitable for machining of a numerical control machine tool during machining;
step three, the workpiece can be processed in different directions through a numerical control machine tool by matching the motor II and the motor I;
and fourthly, after the workpiece is machined, loosening the workpiece by the clamping jaw through the rotating wheel and the first screw rod, adsorbing the workpiece through the sucking disc and the magnet, replacing the workpiece, and machining the next workpiece.
(III) beneficial effects
Compared with the prior art, the invention provides the clamping device for the workpiece of the numerical control machine tool, which has the following beneficial effects:
this clamping device of digit control machine tool work piece carries out the centre gripping to the work piece through each clamping jaw and consolidates, can stabilize the work piece when not fixed through the sucking disc, through the cooperation between screw rod one, runner, bar hole, spout three and the swivel nut, can prevent that the clamping jaw from taking place rolling phenomenon when adjusting the interval, simultaneously convenient stability with each clamping jaw in each position adjustment can be through adjusting the position of swivel nut to behind spout three can with clamping jaw moving to corresponding bar hole department when needs adjustment angle between the clamping jaw, conveniently consolidate the work piece of irregular different sizes, be convenient for work piece centre gripping through the cooperation between spout one and the slider one to be convenient for carry out rotary processing with the work piece through the cooperation between motor three output wheel three and the gear three, and be convenient for each position processing to the work piece through the cooperation between motor two and the motor one, thereby realize this clamping device consolidates the irregular work piece, increase this clamping device's application scope.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the upper table of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1B according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 1 according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 1 according to the present invention;
fig. 7 is an enlarged schematic view of the structure of fig. 1 at E according to the present invention.
In the figure: 1. a chassis; 2. a fixing bolt; 3. a first shaft sleeve; 4. a first gear; 5. a first pillar; 6. a second pillar; 7. a second shaft sleeve; 8. a second gear; 9. a shaft sleeve III; 10. a third gear; 11. a third support column; 12. a first sliding block; 13. a first screw; 14. a screw sleeve; 15. a rotating wheel; 16. a first chute; 17. a fixed block; 18. a suction cup; 19. a magnet; 20. a clamping jaw; 21. an anti-slip pad; 22. an output wheel I; 23. a first motor; 24. an output wheel II; 25. a second motor; 26. an output wheel III; 27. a third motor; 28. a second slide block; 29. a fixing pad; 30. butterfly screw fastener; 31. a second chute; 32. an upper working table; 33. a lower working table; 34. a ball; 35. a support rod; 36. positioning a screw; 37. a bar-shaped hole; 38. and a sliding groove III.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-7, a clamping device for a workpiece of a numerical control machine tool comprises a chassis 1, a shaft sleeve I3 is arranged at the top end of the chassis 1, a support post I5 is rotatably arranged at the top end of the shaft sleeve, a gear I4 is rotatably connected at the bottom end of the circumferential outer wall of the support post I5, the gear I4 is fixedly connected with the shaft sleeve I3, a motor I23 is fixedly connected at the left end of the support post I5, an output wheel I22 is arranged at the output end of the motor I23, the output wheel I22 is meshed with the gear I4, a shaft sleeve II 7 is arranged at the upper left end area of the support post I5, a support post II 6 is rotatably arranged at the left end of the shaft sleeve II 7, a gear II 8 is rotatably connected at the right end of the support post II 6, the gear II 8 is fixedly connected with the shaft sleeve II 7, a motor II 25 is arranged at the bottom end of the support post II 6, an output wheel II 24 is arranged at the output end of the motor II 25, the output wheel II 24 is meshed with the gear II 8, the top end of the second pillar 6 is provided with a third shaft sleeve 9, the top end of the third shaft sleeve 9 is provided with a third pillar 11, the right end of the third pillar 11 is provided with a third motor 27, the circumference outer wall of the third pillar 11 is rotationally connected with a third gear 10, the third gear 10 is fixedly connected with the third shaft sleeve 9, the output end of the third motor 27 is provided with a third output wheel 26, the third output wheel 26 is meshed with the third gear 10, the top end of the third pillar 11 is provided with a fixed block 17, the circumference outer wall of the lower area of the fixed block 17 is sleeved with a lower workbench 33, the circumference outer wall of the upper area of the fixed block 17 is sleeved with an upper workbench 32, the circumference outer wall of the middle part of the fixed block 17 is provided with a first chute 16, the inside of the first chute 16 is slidably sleeved with a plurality of first sliders 12 through a plurality of balls 34, one end of each first slider 12 is provided with a first screw 13, the circumference inner wall of each first screw 13 is sleeved with a screw sleeve 14, the top of each swivel nut 14 all is provided with clamping jaw 20 to a set of spout second 31 has been seted up to the circumference outer wall of going up workstation 32, the inside of each spout second 31 all is provided with slider second 28, and the one end of each slider all is provided with positioning screw 36, the circumference outer wall of going up workstation 32 is provided with a plurality of fixed pads 29, and a plurality of second round holes have been seted up to the one end of fixed pad 29, the one end of each positioning screw 36 all passes the second round hole, and extend to the outside of fixed pad 29, and the circumference outer wall cover of positioning screw 36 is equipped with butterfly screw 30, the clamping device of digit control machine tool work piece, carry out the centre gripping reinforcement to the work piece through each clamping jaw 20, can stabilize the work piece when not being fixed through sucking disc 18, consolidate the work piece through the cooperation between screw first 13 and the runner 15, be convenient for work piece centre gripping through the cooperation between spout first 16 and the slider first 12, and be convenient for carry out rotary processing with the work piece through the cooperation between motor third 27 output wheel third 26 and the gear third 10, and be convenient for carry out each position processing to the work piece through the cooperation between motor second 25 and the motor third 23, thereby realize the clamping device to consolidate the work piece, the not suitable range of this device increases.
Specifically, round holes are formed in four corners of the top end of the chassis 1, fixing bolts 2 are arranged in the round holes, the bottom ends of the fixing bolts 2 penetrate through the round holes and extend towards the bottom end of the chassis 1, and stability of the clamping device is improved through the fixing bolts 2.
Specifically, the top of fixed block 17 has seted up first round hole to be provided with branch 35 in the first round hole, the top of branch 35 is provided with sucking disc 18, increases the stability of work piece when not being consolidated.
Specifically, the magnet 19 is arranged inside the top end of the supporting rod 35, so that the stability of the workpiece when being processed is improved.
Specifically, a plurality of bar holes 37 have been seted up on the top of going up workstation 32, spout three 38 have been seted up on the top of going up workstation 32, bar hole 37 and spout three 38 all cooperate with the swivel nut 14, prevent that clamping jaw 20 from taking place rolling phenomenon when adjusting the interval, simultaneously the stability of each clamping jaw 20 in each position adjustment is convenient, can be when the angle between the clamping jaw 20 needs to be adjusted through adjusting the position of swivel nut 14 to spout three 38 after with clamping jaw 20 remove corresponding bar hole 37 department.
Specifically, the clamping positions of the clamping jaws 20 are provided with anti-slip pads 21, and the anti-slip pads 21 are made of rubber, so that the workpiece is prevented from vibrating during processing.
Specifically, one end of each screw is provided with a rotating wheel 15, so that each clamping jaw 20 is conveniently screwed by the screw 13.
A method of using a clamping device for a workpiece in a numerically controlled machine tool according to any one of claims 1 to 7, comprising the steps of:
firstly, fixing a chassis 1 through a fixing bolt 2 and the ground, placing a workpiece on the upper part of a sucker 18 of a workbench, adsorbing the workpiece through a magnet 19, and fixing the workpiece at an optimal fixing position through a clamping jaw 20 and a screw sleeve 14;
step two, screwing the screw rod I13 through each rotating wheel 15, reinforcing and clamping a workpiece through the clamping jaw 20, and rotating the workpiece through the cooperation between the motors III 27, so that the workpiece is more suitable for machining of a numerical control machine tool during machining;
step three, the workpiece can be processed in different directions through a numerical control machine tool by matching the motor II 25 and the motor I23;
and fourthly, after the workpiece is machined, loosening the workpiece by the clamping jaw 20 through the rotating wheel 15 and the first screw rod 13, adsorbing the workpiece through the sucking disc 18 and the magnet 19, replacing the workpiece, and machining the next workpiece.
In summary, when the clamping device for the workpiece of the numerical control machine tool is used, the chassis 1 is fixed with the ground through the fixing bolt 2, the workpiece is placed on the upper portion of the sucker 18 of the workbench, the workpiece is adsorbed to a certain extent through the magnet 19, the workpiece is positioned at the optimal fixing position through the clamping jaw 20 and the screw sleeve 14, the screw rod I13 is screwed through the rotating wheels 15, the workpiece is reinforced and clamped through the clamping jaw 20, the workpiece is rotated through the matching between the motor III 27, the workpiece is more suitable for the machining of the numerical control machine tool during the machining, the workpiece can be machined in different directions through the matching between the motor II 25 and the motor I23, after the machining of the workpiece is completed, the clamping jaw 20 is used for loosening the workpiece through the rotating wheels 15 and the screw rod I13, the workpiece is adsorbed through the sucker 18 and the magnet 19, the workpiece is replaced, and the next workpiece is machined.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a clamping device of digit control machine tool work piece, includes chassis (1), its characterized in that, the top of chassis (1) is provided with axle sleeve one (3) to the top of axle sleeve rotates and is provided with pillar one (5), the bottom of the circumference outer wall of pillar one (5) rotates and is connected with gear one (4), gear one (4) and axle sleeve one (3) fixed connection, and the left end of pillar one (5) is provided with motor one (23), and the output of motor one (23) is provided with output wheel one (22), output wheel one (22) and gear one (4) mesh, the left end upper portion region of pillar one (5) is provided with axle sleeve two (7) to the left end rotation of axle sleeve two (7) is provided with pillar two (6), the right-hand member rotation of pillar two (6) is connected with gear two (8), gear two (8) and axle sleeve two (7) fixed connection, and the bottom of pillar two (6) is provided with motor two (25), the output wheel two (24) of motor two (25), output wheel two (24) and pillar two (9) and three (9) are provided with pillar one another, and three top (11) are provided with three pillar (9), the circumference outer wall swing joint of pillar three (11) has gear three (10), gear three (10) and axle sleeve three (9) fixed connection, the output of motor three (27) is provided with output wheel three (26), and output wheel three (26) and gear three (10) mesh mutually, the top of pillar three (11) is provided with fixed block (17) to the circumference outer wall cover in the lower part region of fixed block (17) is equipped with lower workstation (33), and the circumference outer wall cover in the upper portion region of fixed block (17) is equipped with upper workstation (32), spout one (16) have been seted up to the middle part circumference outer wall of fixed block (17) to the inside of spout one (16) is all equipped with a plurality of sliders one (12) through a plurality of ball (34) slip cover, and the one end of each slider one (12) all is provided with screw one (13), and the circumference inner wall of each screw one (13) all is equipped with swivel joint (14), and the top of each swivel joint (14) all is provided with clamping jaw (20) to the circumference outer wall cover of upper workstation (32) is equipped with one set of spout two (31), and each of slider one end (32) is provided with the inside of slider one (29), and a plurality of second round holes have been seted up to the one end of fixed bolster (29), each the one end of locating screw (36) all passes the second round hole to extend to the outside of fixed bolster (29), and the circumference outer wall cover of locating screw (36) is equipped with butterfly spiral shell knot (30), a plurality of bar holes (37) have been seted up on the top of last workstation (32), spout three (38) have been seted up on the top of last workstation (32), bar hole (37) and spout three (38) all cooperate with swivel nut (14), first round hole has been seted up on the top of fixed block (17) to be provided with branch (35) in the first round hole, the top of branch (35) is provided with sucking disc (18), the inside magnet (19) that is provided with in top of branch (35).
2. The clamping device for the workpiece of the numerical control machine tool according to claim 1, wherein round holes are formed in four corners of the top end of the chassis (1), fixing bolts (2) are arranged in the round holes, and the bottom ends of the fixing bolts (2) penetrate through the round holes and extend to the bottom end of the chassis (1).
3. The clamping device of a workpiece of a numerical control machine tool according to claim 2, characterized in that the clamping place of each clamping jaw (20) is provided with an anti-slip pad (21), and each anti-slip pad (21) is made of rubber.
4. A clamping device for a workpiece in a numerically controlled machine tool as set forth in claim 3, wherein: one end of each screw rod is provided with a rotating wheel (15).
5. A method of using the workpiece clamping device of a numerically controlled machine tool according to any one of claims 1 to 4, comprising the steps of:
firstly, fixing a chassis (1) with the ground through a fixing bolt (2), placing a workpiece on the upper part of a sucker (18) of a workbench, adsorbing the workpiece through a magnet (19), and fixing the workpiece at an optimal fixing position through a clamping jaw (20) and a screw sleeve (14);
step two, screwing the screw rod I (13) through each rotating wheel (15), reinforcing and clamping the workpiece through the clamping jaw (20), and rotating the workpiece through the cooperation between the motors III (27), so that the workpiece is more suitable for the machining of a numerical control machine tool during the machining;
step three, the workpiece can be processed in different directions through a numerical control machine tool by matching the motor II (25) and the motor I (23);
and fourthly, after the workpiece is machined, loosening the workpiece by the clamping jaw (20) through the rotating wheel (15) and the first screw rod (13), adsorbing the workpiece through the sucking disc (18) and the magnet (19), replacing the workpiece, and machining the next workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815818.9A CN113441967B (en) | 2021-07-19 | 2021-07-19 | Workpiece clamping device of numerical control machine tool and application method of workpiece clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815818.9A CN113441967B (en) | 2021-07-19 | 2021-07-19 | Workpiece clamping device of numerical control machine tool and application method of workpiece clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113441967A CN113441967A (en) | 2021-09-28 |
| CN113441967B true CN113441967B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110815818.9A Active CN113441967B (en) | 2021-07-19 | 2021-07-19 | Workpiece clamping device of numerical control machine tool and application method of workpiece clamping device |
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| CN (1) | CN113441967B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001038555A (en) * | 1999-07-29 | 2001-02-13 | Pentel Corp | Insert work dropping preventing device in horizontal type holding machine |
| JP2013202758A (en) * | 2012-03-29 | 2013-10-07 | Smc Corp | Electric clamp device |
| CN208214947U (en) * | 2018-02-23 | 2018-12-11 | 陈师颖 | A kind of numerically-controlled machine tool mechanical arm |
| CN211516740U (en) * | 2019-12-24 | 2020-09-18 | 上海领策精密机械有限公司 | Horizontal clamping fixture for shaft parts |
| CN213225458U (en) * | 2020-09-25 | 2021-05-18 | 苏州市皓月管业有限公司 | Deckle edge cleaning device is used in cable pipe cutting |
-
2021
- 2021-07-19 CN CN202110815818.9A patent/CN113441967B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001038555A (en) * | 1999-07-29 | 2001-02-13 | Pentel Corp | Insert work dropping preventing device in horizontal type holding machine |
| JP2013202758A (en) * | 2012-03-29 | 2013-10-07 | Smc Corp | Electric clamp device |
| CN208214947U (en) * | 2018-02-23 | 2018-12-11 | 陈师颖 | A kind of numerically-controlled machine tool mechanical arm |
| CN211516740U (en) * | 2019-12-24 | 2020-09-18 | 上海领策精密机械有限公司 | Horizontal clamping fixture for shaft parts |
| CN213225458U (en) * | 2020-09-25 | 2021-05-18 | 苏州市皓月管业有限公司 | Deckle edge cleaning device is used in cable pipe cutting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113441967A (en) | 2021-09-28 |
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Effective date of registration: 20240103 Address after: 266000 Tonghe sub district office, Pingdu City, Qingdao City, Shandong Province Applicant after: QINGDAO WEISHUO METAL TECHNOLOGY Co.,Ltd. Address before: 510000 No. 26, Guangzhu Road, Nansha District, Guangzhou City, Guangdong Province Applicant before: Meng Mingyu |
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