CN108436698A - A kind of tubular material grinding device - Google Patents
A kind of tubular material grinding device Download PDFInfo
- Publication number
- CN108436698A CN108436698A CN201810225784.6A CN201810225784A CN108436698A CN 108436698 A CN108436698 A CN 108436698A CN 201810225784 A CN201810225784 A CN 201810225784A CN 108436698 A CN108436698 A CN 108436698A
- Authority
- CN
- China
- Prior art keywords
- electric telescopic
- telescopic rod
- support
- rotary cylinder
- tubular material
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting 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
- 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
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/363—Single-purpose machines or devices for grinding surfaces of revolution in situ
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a kind of tubular material grinding devices,Including support base,The both ends of two support bases are respectively connected with limiting plate,And the top of two support bases is symmetrically installed with third electric telescopic rod,The top of four third electric telescopic rods is connect with connected unit,Second rotary cylinder is installed at the top of the connected unit,Support base is installed at the top of second rotary cylinder,The top of the support base is fixedly connected with polishing table by connecting pole,The present invention is equipped with sander-casing at the top of fixed station,And dual-axle motor is installed in the inside of sander-casing,The both ends of dual-axle motor are rotatably connected to rough grinding wheel and fine grinding grinding wheel by shaft respectively,When being polished,Rough grinding wheel can be first passed through tentatively to be polished,It is finely polished by fine grinding grinding wheel again,It avoids and is polished using single grinding abrasive disk,Lead to the problem that grinding efficiency is relatively low,It can effectively improve the efficiency of polishing.
Description
Technical field
The invention belongs to tubular object extruding technical fields, and in particular to a kind of tubular material grinding device.
Background technology
Tubing is exactly the material for making pipe fitting, and the quality of the different tubing of different pipe fittings, tubing directly determines
The quality of pipe fitting, seamless steel pipe are that a kind of there are hollow section, periphery non-jointed strip steel, steel pipe to have hollow section
The pipeline of face, a large amount of pipelines for being used as trandfer fluid, such as transfer oil, natural gas, coal gas and water and certain solid materials, steel
Pipe is compared with the solid steel such as round steel, and when bending resistance torsional strength is identical, lighter in weight is a kind of economic section steel products, extensively
For manufacturing structural member and machine components, such as the steel feet in oil drill rocker, truck drive shaft, bicycle rack and construction
Hand cradle etc..
Existing tubular material grinding device exists in use to be not provided in some defects, such as grinding device
Different grinding abrasive disks, grinding efficiency is relatively low, and the precision polished is poor and grinding device is in polishing, since polishing generates
Vibration easily cause the tubing being polished and loosen, tubing occurs sliding and is easy to cause polishing failure in bruting process.
Invention content
The purpose of the present invention is to provide a kind of tubular material grinding devices, to solve mentioned above in the background art beat
Grind it is less efficient, and polish precision is poor and grinding device tubing slides in polishing and in bruting process
The problem of being easy to cause polishing failure.
To achieve the above object, the present invention provides the following technical solutions：A kind of tubular material grinding device, including branch support group
Seat, the both ends of two support bases are respectively connected with limiting plate, and the top of two support bases is symmetrically installed with third
The top of electric telescopic rod, four third electric telescopic rods is connect with connected unit, is equipped at the top of the connected unit
Second rotary cylinder, support base is equipped at the top of second rotary cylinder, and the top of the support base is solid by connecting pole
Surely it is connected with polishing table.
Preferably, the outside of the polishing table is equipped with fixed seat, and the inside of polishing table offers mounting hole, described to beat
The top surrounding of mill platform is mounted on the first electric telescopic rod, and one end of first electric telescopic rod is fixed with fixed seat to be connected
It connects, and the other end of the first electric telescopic rod is equipped with fastening plates, CMSS2100 surveys is symmetrically installed on the outside of the fixed seat
Vibration sensor.
Preferably, the top of two support bases is symmetrically arranged with support column, and the inside of two support bases
Middle position offers main sliding slot, and the side of one of them support column is equipped with AT89S52 controllers, two institutes
The both sides for stating main sliding slot symmetrically offer auxiliary chute, and the bottom middle position of two support columns is mounted on main cunning
The both sides of rail, two main running rails are symmetrically installed with auxiliary sliding rail, and the main sliding slot is slidably connected with main running rail, described auxiliary
Sliding slot is helped to be slidably connected with auxiliary sliding rail.
Preferably, it is connected with the second electric telescopic rod close to the side of third electric telescopic rod on the support column, it is described
One end far from support column is fixedly connected with limited post in second electric telescopic rod, and the limited post is fixed with support base to be connected
It connects.
Preferably, it is fixedly connected with fixed station at the top of the support column, the first rotation is installed at the top of the fixed station
Rotaring cylinder is equipped with sander-casing at the top of first rotary cylinder, and the inside of the sander-casing is equipped with twin shaft
One end of motor, the dual-axle motor is rotatably connected to rough grinding wheel by shaft, and the other end of dual-axle motor passes through shaft
It is rotatably connected to fine grinding grinding wheel.
Preferably, the third electric telescopic rod, the second rotary cylinder, the first electric telescopic rod, CMSS2100 vibration measurings pass
Sensor, the second electric telescopic rod, the first rotary cylinder and dual-axle motor are electrically connected with AT89S52 controllers.
Compared with prior art, the present invention having the advantages that：
(1) present invention is equipped with sander-casing at the top of fixed station, and is equipped in the inside of sander-casing double
The both ends of spindle motor, dual-axle motor are rotatably connected to rough grinding wheel and fine grinding grinding wheel by shaft respectively, can when being polished
It is tentatively polished with first passing through rough grinding wheel, then is finely polished by fine grinding grinding wheel, avoided using single frosted
Wheel polishing, leads to the problem that grinding efficiency is relatively low, can effectively improve the efficiency of polishing, while using two different frosteds
Wheel can effectively improve the precision of polishing, while can also need to select different grinding abrasive disks to polish according to tubing, real
It is stronger with property.
(2) present invention offers mounting hole in the inside of polishing table, and is fixed and connected by connecting pole in the lower section of polishing table
It is connected to support base, uniformly there are four fastening plates, fastening plates to be adjusted by the first electric telescopic rod for installation at the top of polishing table
Tubing can be placed on across mounting hole on support base, then beaten as needed by the first electric telescopic rod by section in polishing
The tubing of mill adjusts the position of fastening plates, so that the surface-stable of fastening plates and tubing is fixed, prevents the tubing in bruting process
It slides, while CMSS2100 vibration-measuring sensors is mounted in the both sides of polishing table, when being polished, can pass through
CMSS2100 vibration-measuring sensors detect the Oscillation Amplitude of polishing table, when tubing loosens, the Oscillation Amplitude meeting of polishing table
It is substantially increased, this grinding device should be closed in time at this time, tubing is retightened, prevent tubing loosening from polishing being caused to be lost
It loses.
(3) present invention is provided with main running rail and auxiliary sliding rail in the bottom of support column, is offered in the inside of support base
Main sliding slot and auxiliary chute, while main running rail is slidably connected with main sliding slot, auxiliary sliding rail is slidably connected with auxiliary chute, can make
Support column improves the stability of support column in sliding process.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the vertical view of the present invention；
Fig. 3 is the sectional view of a-quadrant of the present invention；
Fig. 4 is the circuit diagram of the present invention；
In figure：1- rough grinding wheels, 2- sander-casings, 3- dual-axle motors, 4- fine grindings grinding wheel, the first electric telescopic rods of 5-,
6- polishing tables, 7-CMSS2100 vibration-measuring sensors, 8- fastening plates, 9- connecting poles, 10- fixed seats, 11- support bases, 12- first
Rotary cylinder, 13- fixed stations, 14- support columns, 15- limiting plates, the second electric telescopic rods of 16-, 17- limited posts, 18- branch support groups
Seat, 19- thirds electric telescopic rod, 20-AT89S52 controllers, 21- connected units, the second rotary cylinders of 22-, 23- mounting holes,
24- main running rails, 25- auxiliary sliding rail, the main sliding slots of 26-, 27- auxiliary chutes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of tubular material grinding device, including support base
18, the both ends of two support bases 18 are respectively connected with limiting plate 15, and the top of two support bases 18 is symmetrically installed with
The top of three electric telescopic rods 19, four third electric telescopic rods 19 is connect with connected unit 21, and third electric telescopic rod 19 is stretched
Contracting can adjust the height of connected unit 21, and the top of connected unit 21 is equipped with the second rotary cylinder 22, the second rotary cylinder 22
Top is equipped with support base 11, and the rotation of the second rotary cylinder 22 drives support base 11 to rotate, and the top of support base 11 passes through connection
Column 9 is fixedly connected with polishing table 6, for placing the pipe fitting for needing to polish.
Preferably, the outside of polishing table 6 is equipped with fixed seat 10, and the inside of polishing table 6 offers mounting hole 23, fixed
For fixing pipe fitting, the top surrounding of polishing table 6 is mounted on the first electric telescopic rod 5 in hole 23, and the one of the first electric telescopic rod 5
End is fixedly connected with fixed seat 10, and the other end of the first electric telescopic rod 5 is equipped with fastening plates 8, and fastening plates 8 are for fixing
The outside of the pipe fitting being placed in mounting hole 23, fixed seat 10 is symmetrically installed with CMSS2100 vibration-measuring sensors 7, can carry out
The Oscillation Amplitude of fixed seat 10 is detected when polishing.
Specifically, the top of two support bases 18 is symmetrically arranged with support column 14, and two support bases 18 is interior
Portion's middle position offers main sliding slot 26, and the side of one of support column 14 is equipped with AT89S52 controllers 20, is used for
Present apparatus normal work is controlled, the both sides of two main sliding slots 26 symmetrically offer auxiliary chute 27, the bottom of two support columns 14
Portion's middle position is mounted on main running rail 24, and the both sides of two main running rails 24 are symmetrically installed with auxiliary sliding rail 25, main sliding slot
26 are slidably connected with main running rail 24, and auxiliary chute 27 is slidably connected with auxiliary sliding rail 25, and support column 14 can be made in support base
Stable sliding on 18.
It is worth noting that being connected with the second electric telescopic rod close to the side of third electric telescopic rod 19 on support column 14
16, one end far from support column 14 in the second electric telescopic rod 16 is fixedly connected with limited post 17, can be used for fixing the second electricity
Dynamic telescopic rod 16, prevents the second electric telescopic rod 16 to be subjected to displacement, limited post 17 is fixedly connected with support base 18.
Further, the top of support column 14 is fixedly connected with fixed station 13, and the top of fixed station 13 is equipped with the first rotation
The top of rotaring cylinder 12, the first rotary cylinder 12 is equipped with sander-casing 2, and the rotation of the first rotary cylinder 12 drives outside sander
Shell 2 is rotated, and the inside of sander-casing 2 is equipped with dual-axle motor 3, and one end of dual-axle motor 3 is rotatablely connected by shaft
There is rough grinding wheel 1, and the other end of dual-axle motor 3 is rotatably connected to fine grinding grinding wheel 4 by shaft, can rotate as needed
Rough grinding wheel 1 and fine grinding grinding wheel 4 are used, and are facilitated the speed for accelerating to polish and are improved the precision of polishing.
In addition to this, third electric telescopic rod 19, the second rotary cylinder 22, the first electric telescopic rod 5, CMSS2100 vibration measurings
Sensor 7, the second electric telescopic rod 16, the first rotary cylinder 12 and dual-axle motor 3 electrically connect with AT89S52 controllers 20
It connects.
The operation principle and process for using of the present invention：After the tubular material grinding device installs, when needing polishing,
Tubing is put into the mounting hole 23 inside polishing table 6, tubing is supported by support base 11, then pass through AT89S52 controllers
20 control the first electric telescopic rod 5 work, the work of the first electric telescopic rod 5 make fastening plates 8 be fixed with tubing, then basis
The height of tubing controls third electric telescopic rod 19 by AT89S52 controllers 20 and works, the work pair of third electric telescopic rod 19
The height of connected unit 21 is adjusted, and the height of polishing table 6 is adjusted by adjusting the height of connected unit 21, after the completion of adjusting,
Start dual-axle motor 3 by AT89S52 controllers 20, the work of dual-axle motor 3 drives rough grinding wheel 1 and fine grinding grinding wheel by shaft
4 rotations, then so that the first rotary cylinder 12 is worked by AT89S52 controllers 20, the alignment of rough grinding wheel 1 is needed into the pipe polished
Material, the work of the second electric telescopic rod 16 drive support column 14 in 18 internal slide of support base, and the sliding of support column 14 makes corase grinding sand
1 pair of tubing of wheel is polished, and after the completion of the one side polishing of tubing, makes the second rotary cylinder 22 by AT89S52 controllers 20
Rotation, the rotation of the second rotary cylinder 22 drive connected unit 21 to rotate, and the rotation of connected unit 21 drives polishing table 6 to rotate, you can air exercise
The other faces of tubing are polished in mill platform 6, and after the completion of thick polishing, the first rotary pneumatic is being controlled by AT89S52 controllers 20
Cylinder 12 rotates, and is polished tubing using fine grinding grinding wheel 4, and after the completion of polishing, twin shaft electricity is controlled by AT89S52 controllers 20
Machine 3 is stopped, then support column 14 and fastening plates 8 is made to reset, and then takes out the tubing inside polishing table 6.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of tubular material grinding device, including support base (18), it is characterised in that：Two support bases (18)
Both ends are respectively connected with limiting plate (15), and the top of two support bases (18) is symmetrically installed with third electric telescopic rod
(19), the top of four third electric telescopic rods (19) is connect with connected unit (21), the top of the connected unit (21)
Second rotary cylinder (22) is installed, support base (11), the support base are installed at the top of second rotary cylinder (22)
(11) top is fixedly connected with polishing table (6) by connecting pole (9).
2. a kind of tubular material grinding device according to claim 1, it is characterised in that：The outside of the polishing table (6)
Fixed seat (10) is installed, and the inside of polishing table (6) offers mounting hole (23), the top surrounding of the polishing table (6) is equal
First electric telescopic rod (5) is installed, one end of first electric telescopic rod (5) is fixedly connected with fixed seat (10), and the
The other end of one electric telescopic rod (5) is equipped with fastening plates (8), and CMSS2100 is symmetrically installed on the outside of the fixed seat (10)
Vibration-measuring sensor (7).
3. a kind of tubular material grinding device according to claim 1, it is characterised in that：Two support bases (18)
Top be symmetrically arranged with support column (14), and offer main sliding slot at the bosom position of two support bases (18)
(26), the side of one of them support column (14) is equipped with AT89S52 controllers (20), two main sliding slots (26)
Both sides symmetrically offer auxiliary chute (27), and the bottom middle position of two support columns (14) is mounted on main running rail
(24), the both sides of two main running rails (24) are symmetrically installed with auxiliary sliding rail (25), the main sliding slot (26) and main running rail
(24) it is slidably connected, the auxiliary chute (27) is slidably connected with auxiliary sliding rail (25).
4. a kind of tubular material grinding device according to claim 3, it is characterised in that：It is close on the support column (14)
The side of third electric telescopic rod (19) is connected with the second electric telescopic rod (16), separate on second electric telescopic rod (16)
One end of support column (14) is fixedly connected with limited post (17), and the limited post (17) is fixedly connected with support base (18).
5. a kind of tubular material grinding device according to claim 4, it is characterised in that：The top of the support column (14)
It is fixedly connected with fixed station (13), the first rotary cylinder (12), first rotation are installed at the top of the fixed station (13)
Sander-casing (2) is installed, the inside of the sander-casing (2) is equipped with dual-axle motor (3), institute at the top of cylinder (12)
The one end for stating dual-axle motor (3) is rotatably connected to rough grinding wheel (1) by shaft, and the other end of dual-axle motor (3) is by turning
Axis is rotatably connected to fine grinding grinding wheel (4).
6. a kind of tubular material grinding device according to claim 1, it is characterised in that：The third electric telescopic rod
(19), the second rotary cylinder (22), the first electric telescopic rod (5), CMSS2100 vibration-measuring sensors (7), the second electric telescopic rod
(16), the first rotary cylinder (12) and dual-axle motor (3) are electrically connected with AT89S52 controllers (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225784.6A CN108436698A (en) | 2018-03-19 | 2018-03-19 | A kind of tubular material grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225784.6A CN108436698A (en) | 2018-03-19 | 2018-03-19 | A kind of tubular material grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108436698A true CN108436698A (en) | 2018-08-24 |
Family
ID=63195728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810225784.6A Withdrawn CN108436698A (en) | 2018-03-19 | 2018-03-19 | A kind of tubular material grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108436698A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026830A (en) * | 2019-04-16 | 2019-07-19 | 上海交通大学 | The indexable coarse-fine grinding wheel circular knife numerically control grinder device and method of bicylindrical |
| CN110653706A (en) * | 2019-10-08 | 2020-01-07 | 精海联科(宁波)智能设备有限公司 | Linear rough and fine polishing all-in-one machine |
| CN111604779A (en) * | 2020-05-25 | 2020-09-01 | 尚智勇 | Metal disc grinding device based on iris mechanism principle |
| CN112223054A (en) * | 2020-10-13 | 2021-01-15 | 苏州青众创业服务有限公司 | Automatic grinding machine with dual detection |
| CN112266520A (en) * | 2020-10-29 | 2021-01-26 | 安徽杰蓝特新材料有限公司 | Organic rigid reinforced toughened alloy winding structure wall pipe for buried pipe and preparation method thereof |
| CN112810155A (en) * | 2020-12-22 | 2021-05-18 | 芜湖市爱三迪电子科技有限公司 | 3D printer solidification deslagging device |
| CN115179133A (en) * | 2022-08-18 | 2022-10-14 | 李玉婷 | Grinding device with metal pipeline port rust cleaning function |
-
2018
- 2018-03-19 CN CN201810225784.6A patent/CN108436698A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026830A (en) * | 2019-04-16 | 2019-07-19 | 上海交通大学 | The indexable coarse-fine grinding wheel circular knife numerically control grinder device and method of bicylindrical |
| CN110653706A (en) * | 2019-10-08 | 2020-01-07 | 精海联科(宁波)智能设备有限公司 | Linear rough and fine polishing all-in-one machine |
| CN111604779A (en) * | 2020-05-25 | 2020-09-01 | 尚智勇 | Metal disc grinding device based on iris mechanism principle |
| CN111604779B (en) * | 2020-05-25 | 2022-01-28 | 佛山市顺德区万里马卫浴有限公司 | Metal disc grinding device based on iris mechanism principle |
| CN112223054A (en) * | 2020-10-13 | 2021-01-15 | 苏州青众创业服务有限公司 | Automatic grinding machine with dual detection |
| CN112266520A (en) * | 2020-10-29 | 2021-01-26 | 安徽杰蓝特新材料有限公司 | Organic rigid reinforced toughened alloy winding structure wall pipe for buried pipe and preparation method thereof |
| CN112810155A (en) * | 2020-12-22 | 2021-05-18 | 芜湖市爱三迪电子科技有限公司 | 3D printer solidification deslagging device |
| CN115179133A (en) * | 2022-08-18 | 2022-10-14 | 李玉婷 | Grinding device with metal pipeline port rust cleaning function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 325000 Kunlun Road, Lucheng District, Wenzhou, Zhejiang Province, No. 72 Applicant after: Qiu Fuxiang Address before: 325200 No. 11 Xiexin Road, Tangxia Town, Ruian City, Wenzhou City, Zhejiang Province Applicant before: Qiu Fuxiang |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180824 |