CN111531451A - Hand-pressing physical friction type iron plate single-side polishing robot for metal processing - Google Patents
Hand-pressing physical friction type iron plate single-side polishing robot for metal processing Download PDFInfo
- Publication number
- CN111531451A CN111531451A CN202010309787.5A CN202010309787A CN111531451A CN 111531451 A CN111531451 A CN 111531451A CN 202010309787 A CN202010309787 A CN 202010309787A CN 111531451 A CN111531451 A CN 111531451A
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- fixedly connected
- hand
- polishing
- sliding
- iron plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/068—Table-like supports for panels, sheets or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
- B24B47/203—Drives or gearings; Equipment therefor relating to feed movement driven by hand
Abstract
The invention relates to a polishing robot, in particular to a hand-pressing type physical friction type iron plate single-side polishing robot for metal processing. The technical problem is as follows: the hand-pressing physical polishing machine has the advantages of uniform polishing, high working efficiency and simplicity in operation. The technical scheme is as follows: a hand physical friction type iron plate single-face polishing robot for metal processing comprises a base, a lifting buffer device, a polishing device and a hand pressing device, wherein the base is long, the lifting buffer device is fixedly connected to the base, the polishing device is fixedly connected to the base, and the hand pressing device is fixedly connected to the polishing device. The polishing device is contacted with the iron plate more tightly through the hand pressing device, so that the iron plate is polished more uniformly by the polishing sponge.
Description
Technical Field
The invention relates to a polishing robot, in particular to a hand-pressing type physical friction type iron plate single-side polishing robot for metal processing.
Background
Polishing refers to a process of reducing the roughness of a workpiece surface by mechanical, chemical, or electrochemical actions to obtain a bright, flat surface. The method is to carry out modification processing on the surface of a workpiece by using a polishing tool and abrasive particles or other polishing media.
Most of iron plates or steel plates need to be subjected to surface treatment before subsequent processing to remove surface defects, the ground surface after the surface treatment is bright like a mirror, and the conventional polishing treatment mostly adopts manual polishing, and the manual polishing speed is low, the efficiency is low, and the polishing is uneven.
Therefore, the development of a hand-press physical friction type iron plate single-side polishing robot for metal processing, which has the advantages of uniform polishing, high working efficiency and simple operation, is urgently needed.
Disclosure of Invention
In order to overcome the defects of low manual polishing speed, low efficiency and uneven polishing caused by manual polishing, the technical problems are as follows: the hand-pressing physical friction type iron plate single-side polishing robot for metal processing is uniform in polishing, high in working efficiency and simple to operate.
The technical scheme is as follows: a hand physical friction type iron plate single-side polishing robot for metal processing comprises:
the base is long;
the lifting buffer device is fixedly connected to the base;
the polishing device is fixedly connected to the base;
and the hand pressing device is fixedly connected with the polishing device.
Optionally, the lifting buffer device comprises:
the cylinder is fixedly connected to the base;
the lower support plate is fixedly connected to the telescopic rod of the cylinder;
four sliding rods are respectively and symmetrically connected with the lower support plate in a sliding manner;
the upper support plate is fixedly connected to the slide rod;
four pressure springs are sleeved on the sliding rod respectively, one end of each pressure spring is connected with the lower support plate, and the other end of each pressure spring is connected with the upper support plate.
Optionally, the polishing apparatus comprises:
the bidirectional slide rail is fixedly connected to the base;
the two sliding blocks are respectively connected with the two walls of the bidirectional sliding rail in a sliding manner;
four connecting plates are respectively and symmetrically fixedly connected to the sliding blocks in the front-back direction;
two long straight slide rails are respectively and symmetrically fixedly connected to the connecting plate;
two short straight slide rails are respectively and symmetrically fixedly connected with the long straight slide rail;
the number of the guide plates is four, two of the guide plates are respectively connected with the long straight slide rail in a sliding manner, and the other two guide plates are respectively connected with the short straight slide rail in a sliding manner;
four mounting plates which are respectively and fixedly connected with the guide plates;
four sliding columns are respectively connected with the guide plate in a sliding manner;
four rotating discs are fixedly connected to the sliding columns respectively;
four rotating shafts are respectively fixedly connected to the central part of the turntable;
four fixing frames are respectively connected with the rotating shaft in a rotating way;
the fixing plate is fixedly connected to the fixing frame;
a motor installed on the fixing plate;
the first bevel gear is fixedly connected with an output shaft of the motor;
and four second bevel gears are fixedly connected to the rotating shaft respectively and are meshed with the first bevel gears.
Optionally, the hand pressing device comprises:
the straight swinging seat is fixedly connected to the fixed plate;
the hand pressing rod is hinged to the straight swinging seat;
the bent swinging seat is fixedly connected to the bidirectional sliding rail, and the hand pressing rod is hinged to the bent swinging seat;
and the two springs are symmetrical, one end of each spring is connected with the two-way sliding rail, and the other end of each spring is connected with the fixing plate.
Compared with the prior art, the invention has the following advantages:
1: the polishing device is contacted with the iron plate more tightly through the hand pressing device, so that the iron plate is polished more uniformly by the polishing sponge.
2: the lifting device has the lifting function through the cylinder, and the pressure spring, the slide rod, the upper support plate and the lower support plate are matched: the buffer function is played.
3: the polishing device achieves the function of automatic polishing, and the spring has the function of positioning the polishing device.
Drawings
Fig. 1 is a first perspective view of the present invention.
Fig. 2 is a schematic perspective view of the lifting buffer device of the present invention.
Fig. 3 is a second perspective view of the present invention.
Fig. 4 is a third perspective view of the present invention.
Fig. 5 is a fourth perspective view of the present invention.
In the figure: 1. the device comprises a base, 2, a cylinder, 3, a lower support plate, 301, a sliding rod, 302, a pressure spring, 4, an upper support plate, 5, a bidirectional sliding rail, 501, a sliding block, 6, a connecting plate, 7, a long straight sliding rail, 8, a short straight sliding rail, 9, a guide plate, 901, a mounting plate, 10, a sliding column, 11, a rotary disc, 12, a fixing frame, 13, a fixing plate, 14, a motor, 15, a bevel gear I, 16, a rotating shaft, 17, a bevel gear II, 18, a straight swinging seat, 19, a hand pressing rod, 20, a bent swinging seat, 21 and a spring.
Detailed Description
It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.
Example 1
A hand-press physical friction type iron plate single-side polishing robot for metal processing is shown in figures 1-5 and comprises a base 1, a lifting buffer device, a polishing device and a hand pressing device, wherein the base 1 is long, the lifting buffer device is fixedly connected above the base 1, the polishing device is fixedly connected on the base 1, and the hand pressing device is fixedly connected on the polishing device.
The during operation, the manual work is continuous installs burnishing device to the polishing, put into iron plate on the lift buffer, then start the lift buffer and rise, when rising suitable position, stop rising, then start burnishing device, and simultaneously, artifical hand lifts the pressure hand device, the upward movement of pressure hand device drives burnishing device downstream, it is firmer to make the polishing continuous to iron plate polishing contact, after the polishing finishes, artifical pressure hand device that pushes down, the pressure hand device downstream drives burnishing device upward movement, simultaneously, close burnishing device, then start the decline of lift buffer, it can to take out the good iron plate of polishing.
Lifting buffer is including cylinder 2, lower bolster 3, slide bar 301, pressure spring 302 and upper supporting plate 4, 2 rigid couplings in base 1 top middle part of cylinder, 3 rigid couplings in 2 telescopic links upper ends of cylinder of lower bolster, slide bar 301 is four, symmetrical sliding connection is in 3 both sides of lower bolster respectively, 4 rigid couplings of upper supporting plate are on slide bar 301, pressure spring 302 is four, overlap respectively on slide bar 301, one end is connected with lower bolster 3, the other end is connected with upper supporting plate 4.
The iron plate is manually placed on an upper support plate 4, the upper support plate 4 moves downwards through a sliding rod 301, and meanwhile, a pressure spring 302 is compressed, then a cylinder 2 is started, a telescopic rod of the cylinder 2 moves upwards to drive a lower support plate 3, a sliding rod 301, the pressure spring 302 and an upper support plate 4 move upwards, the upper support plate 4 moves upwards to enable the iron plate to move upwards for polishing, when the iron plate is polished, the cylinder 2 is manually started, the telescopic rod of the cylinder 2 retracts, the telescopic rod moves downwards to drive the lower support plate 3, the sliding rod 301, the pressure spring 302 and the upper support plate 4 move downwards, the upper support plate 4 moves downwards to enable the iron plate to move downwards, when the telescopic rod retracts well, the cylinder 2 is closed, the polished iron plate is taken out, when the iron plate is taken out, the pressure spring 302 resets to drive the sliding rod 301 and the upper support plate 4 to reset, therefore, the cylinder 2 plays.
The polishing device comprises a bidirectional slide rail 5, a slide block 501, a connecting plate 6, a long straight slide rail 7, short straight slide rails 8, guide plates 9, a mounting plate 901, a slide column 10, a rotary table 11, a fixed frame 12, a fixed plate 13, a motor 14, a first bevel gear 15, a rotary shaft 16 and a second bevel gear 17, wherein the left side and the right side of the bidirectional slide rail 5 are fixedly connected above the left side and the right side of the base 1, the number of the slide blocks 501 is two, the slide blocks are respectively and slidably connected with the left side and the right side of the bidirectional slide rail 5, the number of the connecting plate 6 is four, the front side and the back side of the slide blocks 501 are respectively and symmetrically fixedly connected with the front side and the back side of the connecting plate 6, the number of the short straight slide rails 8 is two, the two middle parts of the guide plates 9 are respectively and slidably connected with the long straight slide rail 7, the other two middle parts of the, four sliding columns 10 are respectively and slidably connected into the guide plate 9, four rotating discs 11 are respectively and fixedly connected to the sliding columns 10, the sliding columns 10 are located at the eccentric positions on the right side of the rotating discs 11, four rotating shafts 16 are respectively and fixedly connected to the center of the left side of the rotating discs 11, four fixing frames 12 are respectively and rotatably connected with the rotating shafts 16 at the lower portions, a fixing plate 13 is fixedly connected to the upper portion of the fixing frame 12, a motor 14 is installed below the fixing plate 13 and located in the four fixing frames 12, a first bevel gear 15 is fixedly connected with an output shaft of the motor 14, four second bevel gears 17 are respectively and fixedly connected to the left end of the rotating shafts 16, and the four second bevel gears 17.
When the iron plate is polished, polishing cotton is manually installed on an installation plate 901, then a connecting plate 6 is manually moved downwards, the connecting plate 6 moves downwards in a bidirectional slide rail 5 through a slide block 501, the connecting plate 6 moves downwards to drive a long straight slide rail 7, a short straight slide rail 8, guide plates 9, the installation plate 901, a slide column 10, a rotary table 11, a fixed frame 12, a fixed plate 13, a motor 14, a first bevel gear 15, a rotary shaft 16 and a second bevel gear 17 to move downwards, when the polishing cotton on the installation plate 901 moves downwards to be in contact with the iron plate, the motor 14 is started, the motor 14 rotates to drive the first bevel gear 15 to rotate, the first bevel gear 15 rotates to drive the second bevel gear 17 to rotate, the second bevel gear 17 rotates to drive the rotary table 11 to rotate through the rotary shaft 16, the rotary table 11 rotates to move upwards and downwards through the slide column 10 in the guide plates 9, and simultaneously, the other two guide plates 9 move left and right on the short straight slide rail 8, the four guide plates 9 move left and right to drive the mounting plate 901 to move left and right, so that the polishing cotton on the mounting plate 901 polishes the iron plate, when the polishing is finished, the motor 14 is turned off, and the polishing device is manually moved upwards to take out the iron plate, so that the automatic polishing function is achieved.
Example 2
Based on embodiment 1, a hand-press physical friction type iron plate single-side polishing robot for metal processing is disclosed, as shown in fig. 4-5, a hand-press device comprises a straight swing seat 18, a hand-press rod 19, a bent swing seat 20 and springs 21, the straight swing seat 18 is fixedly connected above a fixed plate 13, the hand-press rod 19 is hinged on the straight swing seat 18, the bent swing seat 20 is fixedly connected on the front side of a bidirectional slide rail 5, the middle part of the hand-press rod 19 is hinged on the bent swing seat 20, the two springs 21 are symmetrical, one end of each spring is connected with the bidirectional slide rail 5, and the other end of each spring is connected with the fixed plate 13.
When polishing is needed, the hand pressing rod 19 is manually lifted upwards, the hand pressing rod 19 moves upwards to drive the polishing device to move downwards through the bent swinging seat 20 and the straight swinging seat 18, so that the polishing device is in closer contact with an iron plate, when polishing is finished, the hand pressing rod 19 is manually pressed downwards, the hand pressing rod 19 moves downwards to drive the polishing device to move upwards through the bent swinging seat 20 and the straight swinging seat 18, therefore, the manual vertical movement of the polishing device is replaced, the effect of more convenience and more labor saving is realized, because one end of the spring 21 is connected with the bidirectional sliding rail 5, the other end of the spring is connected with the fixing plate 13, the spring 21 has the function of positioning cotton.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A hand physical friction formula iron plate single face polishing robot for metalworking, characterized by that, including:
the base (1) is long;
the lifting buffer device is fixedly connected to the base (1);
the polishing device is fixedly connected to the base (1);
and the hand pressing device is fixedly connected with the polishing device.
2. A hand-press type physical friction type iron plate single-side polishing robot for metal processing as claimed in claim 1, wherein the lifting buffer means comprises:
the cylinder (2) is fixedly connected to the base (1);
the lower support plate (3) is fixedly connected to the telescopic rod of the cylinder (2);
four sliding rods (301) are respectively and symmetrically connected to the lower support plate (3) in a sliding manner;
the upper support plate (4) is fixedly connected to the sliding rod (301);
four pressure springs (302) are respectively sleeved on the sliding rod (301), one end of each pressure spring is connected with the lower support plate (3), and the other end of each pressure spring is connected with the upper support plate (4).
3. A hand-press type physical friction type iron plate single-side polishing robot for metal processing as claimed in claim 2, wherein the polishing means comprises:
the bidirectional slide rail (5) is fixedly connected to the base (1);
two sliding blocks (501) are respectively connected with two walls of the bidirectional sliding rail (5) in a sliding manner;
four connecting plates (6) are respectively and symmetrically fixedly connected to the sliding blocks (501) in the front-back direction;
two long straight slide rails (7) are respectively and symmetrically fixedly connected to the connecting plate (6);
two short straight slide rails (8) are respectively and symmetrically fixedly connected to the long straight slide rail (7);
four guide plates (9) are provided, wherein two guide plates are respectively connected with the long straight slide rail (7) in a sliding manner, and the other two guide plates are respectively connected with the short straight slide rail (8) in a sliding manner;
four mounting plates (901) are fixedly connected to the guide plates (9) respectively;
four sliding columns (10) are respectively connected to the guide plates (9) in a sliding manner;
four rotating discs (11) which are respectively fixedly connected to the sliding columns (10);
four rotating shafts (16) which are respectively and fixedly connected with the central part of the turntable (11);
four fixing frames (12) are respectively and rotationally connected with the rotating shaft (16);
a fixing plate (13) fixedly connected to the fixing frame (12);
a motor (14) mounted on the fixed plate (13);
the bevel gear I (15) is fixedly connected with an output shaft of the motor (14);
four bevel gears II (17) are fixedly connected to the rotating shaft (16) respectively, and the four bevel gears II (17) are meshed with the bevel gears I (15).
4. A hand-press type physical friction type iron plate single-side polishing robot for metal processing as claimed in claim 3, wherein the hand-press device comprises:
a straight swinging seat (18) fixedly connected to the fixed plate (13);
the hand pressing rod (19) is hinged to the straight swinging seat (18);
the bent swinging seat (20) is fixedly connected to the bidirectional slide rail (5), and the hand pressing rod (19) is hinged to the bent swinging seat (20); and the two springs (21) are symmetrical, one end of each spring (21) is connected with the two-way sliding rail (5), and the other end of each spring (21) is connected with the fixing plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309787.5A CN111531451B (en) | 2020-04-20 | 2020-04-20 | Hand-pressing physical friction type iron plate single-side polishing robot for metal processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309787.5A CN111531451B (en) | 2020-04-20 | 2020-04-20 | Hand-pressing physical friction type iron plate single-side polishing robot for metal processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111531451A true CN111531451A (en) | 2020-08-14 |
| CN111531451B CN111531451B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010309787.5A Active CN111531451B (en) | 2020-04-20 | 2020-04-20 | Hand-pressing physical friction type iron plate single-side polishing robot for metal processing |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10315104A (en) * | 1997-05-15 | 1998-12-02 | Nippon Electric Glass Co Ltd | Multi-head polishing device for glass plate |
| KR20090006664A (en) * | 2007-07-12 | 2009-01-15 | 건양대학교산학협력단 | Multi spindle grindet head for a stone grinding machine |
| CN206084691U (en) * | 2016-10-05 | 2017-04-12 | 深圳市联懋塑胶有限公司 | Cell -phone shell surface machining grinding device |
| CN206967302U (en) * | 2017-07-17 | 2018-02-06 | 常山亚瑞轴承有限公司 | A kind of hand bearing machining polishing grinding device |
| CN108723955A (en) * | 2018-05-03 | 2018-11-02 | 傅飞 | A kind of adjustable milling drum of machined surface range |
| CN108942627A (en) * | 2018-08-27 | 2018-12-07 | 佛山市飞时达新材料科技有限公司 | A kind of bullion item absorption polishing mechanism |
| CN109333317A (en) * | 2018-12-10 | 2019-02-15 | 江西立德传动设备有限公司 | A kind of mechanical equipment processing polished device |
| CN208961688U (en) * | 2018-09-19 | 2019-06-11 | 重庆环龙科技有限公司 | A kind of counter body polishing grinding device |
| CN209207182U (en) * | 2018-12-16 | 2019-08-06 | 泰州鼎鑫齿轮有限公司 | A kind of Gear Processing burnishing device |
| CN210189332U (en) * | 2019-06-10 | 2020-03-27 | 林东明 | Metal machinery adds clamping apparatus that polishes |
-
2020
- 2020-04-20 CN CN202010309787.5A patent/CN111531451B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10315104A (en) * | 1997-05-15 | 1998-12-02 | Nippon Electric Glass Co Ltd | Multi-head polishing device for glass plate |
| KR20090006664A (en) * | 2007-07-12 | 2009-01-15 | 건양대학교산학협력단 | Multi spindle grindet head for a stone grinding machine |
| CN206084691U (en) * | 2016-10-05 | 2017-04-12 | 深圳市联懋塑胶有限公司 | Cell -phone shell surface machining grinding device |
| CN206967302U (en) * | 2017-07-17 | 2018-02-06 | 常山亚瑞轴承有限公司 | A kind of hand bearing machining polishing grinding device |
| CN108723955A (en) * | 2018-05-03 | 2018-11-02 | 傅飞 | A kind of adjustable milling drum of machined surface range |
| CN108942627A (en) * | 2018-08-27 | 2018-12-07 | 佛山市飞时达新材料科技有限公司 | A kind of bullion item absorption polishing mechanism |
| CN208961688U (en) * | 2018-09-19 | 2019-06-11 | 重庆环龙科技有限公司 | A kind of counter body polishing grinding device |
| CN109333317A (en) * | 2018-12-10 | 2019-02-15 | 江西立德传动设备有限公司 | A kind of mechanical equipment processing polished device |
| CN209207182U (en) * | 2018-12-16 | 2019-08-06 | 泰州鼎鑫齿轮有限公司 | A kind of Gear Processing burnishing device |
| CN210189332U (en) * | 2019-06-10 | 2020-03-27 | 林东明 | Metal machinery adds clamping apparatus that polishes |
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| CN111531451B (en) | 2021-09-28 |
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Effective date of registration: 20210914 Address after: 529080 room 129, building 1, No. 683 Wuyi Road, Jianghai District, Jiangmen City, Guangdong Province Applicant after: Jiangmen Yixiang Network Technology Co.,Ltd. Applicant after: GUANGDONG NANFANG VOCATIONAL College Address before: 315000 No.85, Heng street, qijiashan street, Beilun District, Ningbo City, Zhejiang Province Applicant before: Xie Yibin |
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