CN111604767A - Special sander for annular part - Google Patents
Special sander for annular part Download PDFInfo
- Publication number
- CN111604767A CN111604767A CN202010531188.8A CN202010531188A CN111604767A CN 111604767 A CN111604767 A CN 111604767A CN 202010531188 A CN202010531188 A CN 202010531188A CN 111604767 A CN111604767 A CN 111604767A
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- CN
- China
- Prior art keywords
- fixed
- plate
- sanding
- telescopic
- main motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
- B24B19/11—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding the circumferential surface of rings, e.g. piston rings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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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
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
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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
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
- 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
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
Abstract
The invention discloses a special sander for an annular part, which comprises a processing table, wherein a main motor is fixed at the upper end of the processing table, a driving disc is fixed at an output shaft at the upper end of the main motor, two telescopic discs and two telescopic cylinders are fixed on the outer wall of the driving disc, inner processing mechanisms are respectively arranged in the two telescopic discs, an attaching plate is respectively fixed at one end of each telescopic cylinder far away from the driving disc, an annular supporting table and two symmetrically arranged fixing frames are fixed at the upper end of the processing table, and rotating plates are respectively and rotatably connected at the upper ends of the two fixing frames. Has the advantages that: the main motor drives the telescopic disc to rotate, so that the sanding column rotates around the inner wall of the plate, the sanding column is driven to rotate through the sanding motor, the sanding column rotates to complete machining, the sanding column rotates around the inner ring of the plate, machining degrees of all positions of the inner ring of the plate are consistent, machining effects of the inner ring of the plate are better, and the phenomenon of machining unevenness is avoided.
Description
Technical Field
The invention relates to the technical field of sanding machines, in particular to a sanding machine special for an annular part.
Background
The sander is a device which is suitable for cleaning, unhairing, large-plane working, leveling and polishing the surfaces of machinery, building decoration, furniture paint and the like;
the present grinder is processed workpiece surface with the disc of polishing mostly, to plate or cubic part, the processing of the disc of polishing is very convenient easily to be mastered, but to annular part, its inner and outer lane is the circular arc, can't be directly operated to the machined surface generally during processing, need rotate part or the disc of polishing, this has brought inconveniently just for processing, the processing of loop forming element inner circle during especially, itself is fixed difficult, the difficult observation control of inner circle simultaneously, it is relatively poor to lead to processing not enough even effect, therefore need for a special grinder who is applicable to loop forming element processing urgently.
Disclosure of Invention
The invention aims to solve the problem that annular parts are difficult to machine in the prior art, and provides a special sander for annular parts.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a special grinder of annular, includes the processing platform, the upper end of processing platform is fixed with main motor, the upper end output shaft of main motor is fixed with the driving disk, the outer wall of driving disk is fixed with two flexible dishes and two telescopic cylinder, two the inside of flexible dish all is equipped with interior processing mechanism, two telescopic cylinder keeps away from the one end of driving disk and all is fixed with the binding plate, the upper end of processing platform is fixed with the mount that annular brace table and two symmetries set up, two the upper end of mount all rotates and is connected with the commentaries on classics board, two the bottom of commentaries on classics board all is fixed with compresses tightly the cylinder, two the bottom that compresses tightly the cylinder all is fixed with the clamp plate, the upper end of processing platform is fixed with the slide rail that two symmetries set up, two the common sliding connection of.
In foretell special grinder of loop forming element, interior processing mechanism includes the slider through expanding spring and expansion disc inner wall connection, the groove of polishing has been seted up to the lateral wall of slider, the upper end of slider is fixed with the sand light motor, the output shaft of sand light motor runs through the slider and extends to the inslot portion of polishing and is fixed with the sand light post.
In foretell special grinder of loop forming element, the collection chamber has been seted up to the inside of processing platform, the upper end of collecting the chamber is run through and has been seted up a plurality of ash holes that fall, the lower extreme output shaft of main motor is fixed with and is located the connecting axle of collecting intracavity portion, the lateral wall of connecting axle is fixed with the flabellum, the lateral wall of collecting the chamber runs through and has been seted up the clearance groove, the filter screen is installed to clearance inslot wall.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the main motor drives the telescopic disc to rotate, so that the sanding column rotates around the inner wall of the plate, the sanding motor drives the sanding column to rotate, the sanding column rotates to complete processing, and the sanding column rotates around the inner ring of the plate to enable the processing degree of each position of the inner ring of the plate to be consistent, so that the processing effect of the inner ring of the plate is better, and the condition of uneven processing is avoided;
2. according to the invention, the slide block slides outwards under the action of centrifugal force, so that the maximum distance of the slide block sliding outwards is related to the rotating speed of the main motor, and therefore, the control on the displacement of the slide block can be realized to a certain extent by controlling the rotation of the main motor, and further, the machining position of the sand light column is controlled, so that the control on the machining amount is realized, and the machining of the inner ring is convenient to control;
3. according to the invention, the laminating plate is pushed to abut against the plate through the telescopic cylinder, so that the main motor can drive the plate to rotate, the processing of the outer ring of the plate can be completed by manually moving the polishing plate, the bottom of the polishing plate is in sliding connection with the inner wall of the sliding rail, and the polishing plate can slide linearly without deviation, so that the overall polishing effect is better, and meanwhile, a user can better control the polishing plate;
4. according to the invention, the waste materials falling in the processing process of the inner ring enter the collecting cavity under the driving of wind power generated by the fan blades and are collected under the filtering action of the filter screen, so that the waste materials which are scattered around the main motor and the telescopic disc and difficult to clean in the processing process of the inner ring are treated, subsequent treatment is not required, and the waste materials are convenient to collect.
Drawings
Fig. 1 is a schematic structural view of a special sander for a ring-shaped member according to the present invention;
fig. 2 is a top view of a special sander for a ring-shaped member according to the present invention;
fig. 3 is a schematic structural diagram of a polishing plate portion in the special sander for a ring-shaped member according to the present invention;
fig. 4 is a schematic structural diagram of a telescopic disc part in the special sander for the annular part provided by the invention.
In the figure: the device comprises a processing table 1, a main motor 2, a driving disc 3, a telescopic disc 4, a supporting table 5, a fixing frame 6, a rotating plate 7, a pressing cylinder 8, a pressing plate 9, a plate 10, a sliding rail 11, a polishing plate 12, a telescopic cylinder 13, a laminating plate 14, a telescopic spring 15, a sliding block 16, a polishing groove 17, a polishing motor 18, a sand light column 19, a collecting cavity 20, a connecting shaft 21, fan blades 22, a cleaning groove 23, a filter screen 24 and a dust falling hole 25.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-4, a special sander for an annular part comprises a processing table 1, a main motor 2 is fixed at the upper end of the processing table 1, a driving disc 3 is fixed at the upper end output shaft of the main motor 2, two telescopic discs 4 and two telescopic cylinders 13 are fixed on the outer wall of the driving disc 3, inner processing mechanisms are arranged inside the two telescopic discs 4, attaching plates 14 are fixed at the ends of the two telescopic cylinders 13 far away from the driving disc 3, an annular supporting table 5 and two symmetrically arranged fixed frames 6 are fixed at the upper end of the processing table 1, rotating plates 7 are rotatably connected at the upper ends of the two fixed frames 6, compressing cylinders 8 are fixed at the bottoms of the two rotating plates 7, pressing plates 9 are fixed at the bottoms of the two compressing cylinders 8, two symmetrically arranged slide rails 11 are fixed at the upper end of the processing table 1, a sanding plate 12 is slidably connected to the two slide rails 11 together, and the slide rails 11 are T-shaped slide rails, the board 12 bottom of polishing and 11 inner wall sliding connection of slide rail to make board 12 of polishing be rectilinear slip and can not appear squinting, thereby make holistic effect of polishing better, the control board 12 of polishing that the user can be better simultaneously.
Interior processing mechanism includes slider 16 through expanding spring 15 and the 4 inner wall connection of expansion disc, polishing groove 17 has been seted up to slider 16's lateral wall, slider 16's upper end is fixed with sand light motor 18, sand light motor 18's output shaft runs through inside and be fixed with sand light post 19 of slider 16 extension to polishing groove 17, drive sand light post 19 through sand light motor 18 and rotate and accomplish the processing to panel 10 inner circle, and the rotation of main motor 2 will make two sand light post 19 radius of rotation unanimous, thereby make the machining precision of panel 10 inner circle higher, holistic roughness is better, can not lead to each position process degree to have the difference because of the inner circle is difficult to the contact, thereby guarantee the sand light effect.
When polishing inner and outer rings of a plate 10, firstly, the plate 10 is placed on a support table 5, then a rotating plate 7 is rotated to drive a pressing cylinder 8 to shift, so that a pressing plate 9 is positioned at the upper end of the plate 10, and then the pressing cylinder 8 is started to extend downwards to press the plate 10, so that the plate 10 is clamped and positioned;
then, the main motor 2 is started to drive the flexible disk 4 to rotate through the driving disk 3, so that the sliding block 16 in the flexible disk 4 slides downwards under the action of centrifugal force, the sanding column is contacted with the inner wall of the plate 10, and then the sanding motor 18 is started to drive the sanding column 19 to rotate, so that sanding of the inner wall of the plate 10 is completed;
the faster the rotating speed of the main motor 2 is, the larger the centrifugal force borne by the slide block 16 is, and the larger the maximum distance of outward movement of the slide block 16 is, therefore, when plates 10 with different inner diameters are processed, the processing can be completed only by adjusting the rotating speed of the main motor 2, and the actual polishing amount in the plates 10 can also be adjusted by adjusting the rotating speed of the main motor 2, because the telescopic spring 15 is telescopic, when the rotating speed of the main motor 2 is larger and the inner diameter of the plates 10 is not polished to the requirement, the telescopic spring 15 gradually extends to the maximum length at the rotating speed along with the continuation of the polishing process, thereby realizing the rough control of the polishing amount;
when the inner ring of the plate 10 is machined, the waste materials dropped in the machining process are scattered on the machining table 1, the main motor 2 rotates and drives the bottom connecting shaft 21 to rotate, so that the fan blades 22 rotate and discharge the air in the collecting cavity 20 outwards through the cleaning groove 23, the air on the upper part of the machining table 1 is supplemented into the collecting cavity 20, the processed and dropped waste materials enter the collecting cavity 20 along with the air flow and are concentrated in the collecting cavity 20 under the filtering action of the filter screen 24, the subsequent concentrated treatment is facilitated, and meanwhile, the waste materials scattered around the main motor 2 and the telescopic disc 4 and difficult to clean in the machining process of the inner ring are cleaned without subsequent treatment;
after the inner circle processing finishes, start telescopic cylinder 13 and make it drive rigging plate 14 and be close to panel 10 inner circle, thereby make panel 10 and rigging plate 14 closely laminate under telescopic cylinder 13's promotion, and then accomplish and fix panel 10, then start main motor 2 and make it drive telescopic cylinder 13 and rotate, thereby make panel 10 rotate, at this moment, can promote polishing plate 12 and remove along slide rail 11, make polishing plate 12 progressively contact with panel 10 outer lane, thereby make panel 10 outer lane obtain processing, because the environment of panel 10 outer lane is wide is convenient for control, consequently the processing to panel 10 outer lane can be better accomplished in the contact of manual control polishing plate 12 with panel 10, and the waste material that drops under the environment is wide in the outer lane is cleared up easily, the people need not set up extra device for the simple operation also, manufacturing cost has been saved.
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 (3)
1. The utility model provides a special grinder of annular, includes processing platform (1), its characterized in that, the upper end of processing platform (1) is fixed with main motor (2), the upper end output shaft of main motor (2) is fixed with drive disk (3), the outer wall of drive disk (3) is fixed with two expansion discs (4) and two telescopic cylinder (13), two the inside of expansion disc (4) all is equipped with interior processing mechanism, two the one end that drive disk (3) were kept away from in telescopic cylinder (13) all is fixed with attaching plate (14), the upper end of processing platform (1) is fixed with annular brace table (5) and two mount (6) that the symmetry set up, two the upper end of mount (6) all rotates and is connected with rotor plate (7), two the bottom of rotor plate (7) all is fixed with compresses tightly cylinder (8), two the bottom of compressing tightly cylinder (8) all is fixed with clamp plate (9), the upper end of the processing table (1) is fixed with two symmetrically arranged slide rails (11), and the two slide rails (11) are connected with a polishing plate (12) in a sliding manner.
2. The special sander for annular parts according to claim 1, wherein the inner processing mechanism comprises a sliding block (16) connected with the inner wall of the telescopic disc (4) through a telescopic spring (15), a sanding groove (17) is formed in the side wall of the sliding block (16), a sanding motor (18) is fixed to the upper end of the sliding block (16), and an output shaft of the sanding motor (18) penetrates through the sliding block (16) to extend into the sanding groove (17) and is fixed with a sanding column (19).
3. The special sander for annular parts according to claim 1, wherein a collection cavity (20) is formed in the processing table (1), a plurality of ash falling holes (25) are formed in the upper end of the collection cavity (20) in a penetrating manner, a connecting shaft (21) located in the collection cavity (20) is fixed to the lower end output shaft of the main motor (2), fan blades (22) are fixed to the side wall of the connecting shaft (21), a cleaning groove (23) is formed in the side wall of the collection cavity (20) in a penetrating manner, and a filter screen (24) is installed on the inner wall of the cleaning groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010531188.8A CN111604767B (en) | 2020-06-11 | 2020-06-11 | Special sander for annular part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010531188.8A CN111604767B (en) | 2020-06-11 | 2020-06-11 | Special sander for annular part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111604767A true CN111604767A (en) | 2020-09-01 |
| CN111604767B CN111604767B (en) | 2021-06-15 |
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ID=72196767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010531188.8A Active CN111604767B (en) | 2020-06-11 | 2020-06-11 | Special sander for annular part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111604767B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029823A (en) * | 2021-11-19 | 2022-02-11 | 西安理工大学 | Special sanding device and method for ring-shaped piece based on mechanical design |
| CN114559321A (en) * | 2022-03-30 | 2022-05-31 | 张小亮 | Machining equipment for hardware production and machining method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4009571A1 (en) * | 1990-03-24 | 1991-09-26 | Thielenhaus Ernst Kg | Grinding machine for rolling bearing rings - has ring resting on three support rollers and driven by locating rollers at periphery |
| CN201257624Y (en) * | 2008-09-25 | 2009-06-17 | 中冶京诚工程技术有限公司 | Cleaning device |
| CN108789085A (en) * | 2018-07-04 | 2018-11-13 | 胡良田 | Automobile bearing Internal and external cycle synchronizes sander |
| CN208961704U (en) * | 2018-08-30 | 2019-06-11 | 佛山市凯源精科机械有限公司 | A kind of interior outer arc bent plate sander |
| CN110116360A (en) * | 2019-06-19 | 2019-08-13 | 蒋艳红 | A kind of rotary metal cylinder rust removalling equipment |
| CN209774367U (en) * | 2019-04-29 | 2019-12-13 | 常州市清潭特种轴承有限公司 | Bearing ring grinding device |
| CN110977741A (en) * | 2019-12-10 | 2020-04-10 | 东莞市凯勒帝数控科技有限公司 | Polishing equipment with all-dimensional finish machining structure for bearing |
| CN111037379A (en) * | 2019-12-03 | 2020-04-21 | 天津金泰盛世石化设备有限公司 | Polishing equipment for inner wall of pressure container |
-
2020
- 2020-06-11 CN CN202010531188.8A patent/CN111604767B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4009571A1 (en) * | 1990-03-24 | 1991-09-26 | Thielenhaus Ernst Kg | Grinding machine for rolling bearing rings - has ring resting on three support rollers and driven by locating rollers at periphery |
| CN201257624Y (en) * | 2008-09-25 | 2009-06-17 | 中冶京诚工程技术有限公司 | Cleaning device |
| CN108789085A (en) * | 2018-07-04 | 2018-11-13 | 胡良田 | Automobile bearing Internal and external cycle synchronizes sander |
| CN208961704U (en) * | 2018-08-30 | 2019-06-11 | 佛山市凯源精科机械有限公司 | A kind of interior outer arc bent plate sander |
| CN209774367U (en) * | 2019-04-29 | 2019-12-13 | 常州市清潭特种轴承有限公司 | Bearing ring grinding device |
| CN110116360A (en) * | 2019-06-19 | 2019-08-13 | 蒋艳红 | A kind of rotary metal cylinder rust removalling equipment |
| CN111037379A (en) * | 2019-12-03 | 2020-04-21 | 天津金泰盛世石化设备有限公司 | Polishing equipment for inner wall of pressure container |
| CN110977741A (en) * | 2019-12-10 | 2020-04-10 | 东莞市凯勒帝数控科技有限公司 | Polishing equipment with all-dimensional finish machining structure for bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029823A (en) * | 2021-11-19 | 2022-02-11 | 西安理工大学 | Special sanding device and method for ring-shaped piece based on mechanical design |
| CN114559321A (en) * | 2022-03-30 | 2022-05-31 | 张小亮 | Machining equipment for hardware production and machining method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111604767B (en) | 2021-06-15 |
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Effective date of registration: 20201104 Address after: No.114, Gongren village, Yangluo street, Xinzhou District, Wuhan City, Hubei Province Applicant after: Wuhan haomengyuan mechanical equipment manufacturing Co.,Ltd. Address before: 430014 daijiashan technological innovation city, 888 Hwang Huang Road, Jiang'an District, Wuhan, Hubei Applicant before: WUHAN WANJIE PHOTOELECTRIC Co.,Ltd. |
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Effective date of registration: 20210526 Address after: 8 / F, damuwan Management Committee, 1111 Tian'an Road, Dandong Street, Xiangshan County, Ningbo City, Zhejiang Province, 315700 Applicant after: NINGBO SOS MACHINERY DESIGN Co.,Ltd. Address before: No. 114, Gonggong village, Yangluo street, Xinzhou District, Wuhan City, Hubei Province, 430000 Applicant before: Wuhan haomengyuan mechanical equipment manufacturing Co.,Ltd. |
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