CN116922197B - Rotary household ceramic polishing device and polishing method thereof - Google Patents
Rotary household ceramic polishing device and polishing method thereof Download PDFInfo
- Publication number
- CN116922197B CN116922197B CN202311169742.2A CN202311169742A CN116922197B CN 116922197 B CN116922197 B CN 116922197B CN 202311169742 A CN202311169742 A CN 202311169742A CN 116922197 B CN116922197 B CN 116922197B
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- clamping
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- rotary
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- 238000005498 polishing Methods 0.000 title claims abstract description 82
- 239000000919 ceramic Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000452 restraining effect Effects 0.000 description 8
- 210000001015 abdomen Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a rotary domestic ceramic polishing device and a polishing method thereof, and relates to the technical field of polishing devices.
Description
Technical Field
The invention relates to the technical field of grinding devices, in particular to a rotary domestic ceramic grinding device and a grinding method thereof.
Background
Before firing, the rotary daily ceramic such as a bowl, a cup and the like is only a mud blank, when the rotary daily ceramic is placed in a platform pushing kiln for firing, mao Maocao roughness is generated at the bottom of the rotary daily ceramic, and the rotary daily ceramic needs to be fired again after glazing, so that burrs are more difficult to avoid at the bottom of the rotary daily ceramic, the burrs are manually ground off on a grinding machine in the existing deburring mode, but the rotary daily ceramic is not only dangerous but also low in efficiency when being held by hands for polishing.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides the rotary domestic ceramic polishing device and the polishing method thereof, which are safe and efficient in polishing.
The technical scheme adopted by the invention is as follows:
the utility model provides a daily ceramic grinding device of gyration class, includes polisher, the rail system of polishing, clamping frame system and resistance device, the rail system of polishing spanes the polisher, the clamping frame system is followed the rail system horizontal slip of polishing, be equipped with rotatory clamping position in the clamping frame system, clamping frame system is with the rotatable centre gripping of work piece in rotatory clamping position, resistance device installs on the rail system of polishing and is connected with the work piece transmission.
Preferably, the grinding machine comprises a grinding disc and a grinding motor, and the grinding disc is in transmission connection with the grinding motor.
Preferably, the polishing rail system comprises a first support plate, a second support plate, a connecting frame, a bottom rail group and a side wall guide rail, wherein the first support plate and the second support plate are arranged in parallel, two ends of the connecting frame are respectively arranged at the bottoms of the first support plate and the second support plate, the bottom rail group comprises a first bottom rail and a second bottom rail, the first bottom rail and the second bottom rail are respectively arranged at the bottoms of the first support plate and the second support plate in parallel, the side wall guide rail is arranged at the top of the first support plate, the directions of the first bottom rail, the second bottom rail and the side wall guide rail are mutually parallel, the first support plate is higher than the second support plate, the resistance device is arranged at the top of the second support plate, and the clamping frame system slides along the first bottom rail, the second bottom rail and the side wall guide rail respectively.
Preferably, the clamping frame system comprises a clamping sliding frame and a clamping restraining frame, wherein the clamping sliding frame slides along the polishing rail system, the clamping restraining frame is rotatably arranged on the clamping sliding frame, and a rotary clamping position is formed between the clamping sliding frame and the clamping restraining frame.
Preferably, the clamping sliding frame comprises a plurality of sliding rods which slide correspondingly to the first bottom rail, the second bottom rail and the side wall guide rail respectively, each sliding rod is mounted on the clamping sliding frame, sliding long grooves are formed in the first bottom rail, the second bottom rail and the side wall guide rail, the sliding rods slide along the corresponding sliding long grooves, a plurality of bottom supporting wheels are arranged on the clamping sliding frame, the axes of the bottom supporting wheels are parallel to each other, and the outer outline of each bottom supporting wheel is tangent to the same circle.
Preferably, the clamping slide frame further comprises distance keeping rods, each distance keeping rod is fixedly arranged on the side wall of the clamping slide frame, the direction of each distance keeping rod is parallel to the direction of the first bottom rail, and each distance keeping rod abuts against the adjacent clamping slide frame.
Preferably, the clamping constraint frame comprises a clamping frame body and a plurality of roller assemblies, the clamping frame body comprises a plurality of clamping arms, one ends of the clamping arms are connected with each other, the other ends of the clamping arms are unfolded in a radial shape, the roller assemblies are slidably mounted on the clamping arms, the roller assemblies are provided with clamping rolling wheels, and the clamping rolling wheels are provided with V-shaped grooves.
Preferably, the resistance device comprises a rubber rope and two resistance supporting rods, each resistance supporting rod is respectively arranged at the top of the second support plate, and two ends of the rubber rope are respectively arranged at the top of the resistance supporting rod.
The rotary domestic ceramic polishing method comprises the following steps of:
s1: the rotary household ceramic is arranged in a rotary clamping position of a clamping frame system;
s2: pushing the clamping frame system in along the polishing rail system;
s3, starting a grinding machine;
s4, rolling the rotary household ceramic on the resistance device when the clamping frame system pushes;
s5: the holder system is disassembled.
The beneficial effects of the invention are as follows:
the polishing track system stretches across the polishing machine, the clamping frame system horizontally slides along the polishing track system, the clamping frame system is internally provided with a rotary clamping position, the workpiece is clamped in the rotary clamping position by the clamping frame system, the workpiece is pushed into the upper part of the polishing machine along the polishing track system under the clamping of the clamping frame system, the polishing machine can generate lateral force on the workpiece in the polishing process so as to drive the workpiece to rotate, the resistance device is arranged on the polishing track system and is connected with the workpiece in a transmission manner, the rotation speed of the workpiece can be limited by the resistance device, the workpiece is prevented from flying to influence the polishing effect, the workpiece is not required to be held by hands for polishing, one polishing machine can polish a plurality of workpieces simultaneously, and the polishing is safe and efficient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is a schematic diagram of a clamping frame system.
FIG. 4 is a schematic diagram of a system for loading multiple holders according to the present invention.
Fig. 5 is an enlarged schematic view at B in fig. 4.
Reference numerals illustrate:
1. polishing the grinding disc;
2. a polishing rail system; 21. A first support plate; 22. a second support plate; 23. a connecting frame; 24. a side wall rail; 25. a first bottom rail; 26. a second bottom rail;
3. a clamping rack system; 31. clamping the sliding frame; 311. a distance maintaining rod; 32. clamping the restraint frame; 321. clamping the frame body; 322. clamping the rolling wheel; 3211. a clamping arm; 33. a slide bar; 34. a bottom support wheel;
4. a resistance device; 41. a rubber rope; 42. a resistance support rod; 43. and (5) pressing plates.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-5, this embodiment provides a rotary domestic ceramic polishing device for polishing bowl, cup etc. rotary domestic ceramic, including the polisher, polishing rail system 2, clamping frame system 3 and resistance device 4, polishing rail system 2 spanes the polisher, clamping frame system 3 slides along polishing rail system 2 level, be equipped with rotatory clamping position in the clamping frame system 3, clamping frame system 3 is rotatable centre gripping of work piece in rotatory clamping position, the work piece is pushed into the polisher top along polishing rail system 2 under clamping of clamping frame system 3, the polisher can produce side force to the work piece and then drive the work piece and rotate in polishing process, resistance device 4 installs on polishing rail system 2 and is connected with the work piece transmission, resistance device 4 can restrict the speed that the work piece rotated, prevent that the work piece flies and influences the effect of polishing, do not need the hand to take the work piece to polish, a plurality of work pieces can be polished simultaneously, polishing safety is high-efficient.
The polisher includes polishing 1 and motor of polishing, and polishing 1 and motor drive of polishing are connected, and motor drive polishing 1 rotates and realizes rotating, and polishing 1's top surface is the grinding face, and polishing 1 top is the grinding wheel face, and when polishing 1 rotated, the grinding wheel face at polishing 1 top contacted with the work piece, and then polishes the work piece bottom, and polishing 1 can produce side direction force and then drive the work piece rotation to the work piece at the in-process of polishing.
The polishing rail system 2 comprises a first support plate 21, a second support plate 22, a connecting frame 23, a bottom rail set and a side wall guide rail 24, wherein the first support plate 21 and the second support plate 22 are arranged in parallel, two ends of the connecting frame 23 are respectively arranged at the bottoms of the first support plate 21 and the second support plate 22, the connecting frame 23 is used for connecting and fixing the first support plate 21 and the second support plate 22, the bottom rail set comprises a first bottom rail 25 and a second bottom rail 26, the first bottom rail 25 and the second bottom rail 26 are respectively arranged at the bottoms of the first support plate 21 and the second support plate 22 in parallel, the side wall guide rail 24 is arranged at the top of the first support plate 21, the first bottom rail 25, the second bottom rail 26 and the side wall guide rail 24 are mutually parallel, the clamping frame system 3 respectively slides along the first bottom rail 25, the second bottom rail 26 and the side wall guide rail 24, the first support plate 21 is higher than the second support plate 22, the higher first support plate 21 can strengthen the polishing rail system 2, the polishing rail system 2 is prevented from twisting, the resistance device 4 is arranged at the bottom of the second support plate 22, the workpiece can be pushed into the workpiece clamping table 1 by the workpiece clamping device 4, and the workpiece clamping device can be pushed into the workpiece clamping table 1 by the workpiece clamping table, and the workpiece clamping table 1 can be rotated, the workpiece clamping table can be rotated, and the workpiece can be clamped and rotated and the workpiece can be rotated and the workpiece can be prevented from the workpiece table 1.
Specifically, the clamping frame system 3 includes a clamping sliding frame 31 and a clamping restraining frame 32, the clamping sliding frame 31 slides along the polishing rail system 2, the clamping restraining frame 32 is rotatably installed on the clamping sliding frame 31, a rotary clamping position is formed between the clamping sliding frame 31 and the clamping restraining frame 32, the clamping restraining frame 32 is opened when a workpiece is clamped, rotary daily ceramics such as bowls and cups are placed in the clamping sliding frame 31, the clamping restraining frame 32 is covered, and the rotary daily ceramics such as bowls and cups are clamped on the rotary clamping position.
Specifically, the clamping and sliding frame 31 includes a plurality of sliding rods 33 sliding corresponding to the first bottom rail 25, the second bottom rail 26 and the side wall rail 24, each sliding rod 33 is mounted on the clamping and sliding frame 31, sliding grooves are formed in the first bottom rail 25, the second bottom rail 26 and the side wall rail 24, the sliding rods 33 slide along the corresponding sliding grooves, a plurality of bottom supporting wheels 34 are arranged on the clamping and sliding frame 31, axes of the bottom supporting wheels 34 are parallel to each other, an outer contour of each bottom supporting wheel 34 is tangential to the same circle, and it is noted that from a geometric angle, the circle is an abdomen of a bowl, a cup or other rotary daily ceramic, and under constraint of the geometric relationship, the outer contour of each bottom supporting wheel 34 rolls along the abdomen of the bowl, cup or other rotary ceramic, and when the clamping and sliding frame 31 slides, the sliding rods 33 are mounted in the corresponding sliding grooves and pushed towards the polishing disc 1.
Specifically, the clamping slide frame 31 further includes distance maintaining rods 311, each distance maintaining rod 311 is fixedly mounted on a side wall of the clamping slide frame 31, the direction of each distance maintaining rod 311 is parallel to the direction of the first bottom rail 25, each distance maintaining rod 311 abuts against the adjacent clamping slide frame 31, each distance maintaining rod 311 is used for maintaining the interval between each clamping slide rod 33, and mutual collision between adjacent rotating household ceramics such as bowls, cups and the like is prevented.
The clamping constraint frame 32 comprises a clamping frame body 321 and a plurality of roller assemblies, the clamping frame body 321 comprises a plurality of clamping arms 3211, one ends of the clamping arms 3211 are connected with each other, the other ends of the clamping arms 3211 are unfolded in a radial shape, the roller assemblies are slidably mounted on the clamping arms 3211, when the roller assemblies are locked on the clamping arms 3211 through bolts, specifically speaking, the clamping arms 3211 penetrate through the roller assemblies to enable the roller assemblies to slide along the corresponding clamping arms 3211, the roller assemblies are provided with clamping rolling wheels 322, the clamping rolling wheels 322 are provided with V-shaped grooves, the opening edges of the rotary daily ceramics are embedded in the V-shaped grooves, and the opening edges of the rotary daily ceramics are constrained to point, the clamping rolling wheels 322 and the bottom supporting wheels 34 are matched with each other to form rotary clamping positions, the roller assemblies comprise sliding blocks for fixing the roller assemblies, the clamping arms 3211 penetrate through the sliding blocks to enable the sliding blocks to slide along the clamping arms 3211, the locking bolts are mounted on the sliding blocks, and the locking bolts are locked to jack the sliding blocks when the clamping arms 3211.
The resistance device 4 comprises a rubber rope 41 and two resistance supporting rods 42, wherein each resistance supporting rod 42 is respectively arranged at the top of the second supporting plate 22, two ends of the rubber rope 41 are respectively arranged at the top of the resistance supporting rod 42 through pressing plates 43, the pressing plates 43 are arranged on the resistance supporting rods 42 through bolts, the rubber rope 41 is in friction contact with rotary daily ceramics such as bowls and cups so as to prevent the rotary daily ceramics such as bowls and cups from rotating too fast, and the rotary daily ceramics such as bowls and cups are driven to rotate by the rubber rope 41 in the process of pushing the clamping sliding frame 31, so that the grinding positions of the bottoms of the rotary daily ceramics are changed.
The rotary domestic ceramic polishing method uses a rotary domestic ceramic polishing device and comprises the following steps:
s1: the locking screw locks the sliding block when propping against the clamping arm 3211, the clamping constraint frame 32 is rotatably arranged on the clamping constraint frame 31, a rotary clamping position is formed between the clamping constraint frame 31 and the clamping constraint frame 32, the clamping constraint frame 32 is overturned, each clamping rolling wheel 322 is provided with a V-shaped groove, the V-shaped grooves are embedded into the opening edge of the rotary daily ceramic, and the like, so as to restrict the direction of the opening edge of the rotary daily ceramic, and the rotary daily ceramic is arranged in the rotary clamping position of the clamping frame system 3;
s2: pushing the clamping frame system 3 in along the polishing rail system 2, and sliding the sliding rod 33 along the corresponding sliding long groove;
s3, starting a polishing motor, rotating a polishing disc 1, and polishing a rotary daily ceramic workpiece positioned in a rotary clamping position;
s4, pushing the clamping frame system 3, wherein the clamping frame system 3 carries the rotary daily ceramic to enter the upper side of the polishing disc 1, the rotary daily ceramic rolls on the resistance device 4 when the clamping frame system 3 is pushed, and simultaneously, the outer contour of each bottom supporting wheel 34 rolls along the abdomen of the rotary daily ceramic such as a bowl, a cup and the like, so that the rotary daily ceramic workpiece rolls on the resistance device 4 under the resistance of the resistance device when the clamping frame system 3 is pushed, and the parts at the bottom of the rotary daily ceramic are contacted with the top of the rotary polishing disc 1, thereby realizing polishing;
s5: the clamping restraint frame 32 is rotated, and the clamping frame system is disassembled, so that the rotary domestic ceramic is taken down.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a rotary domestic ceramics grinding device, its characterized in that includes polisher, polishing rail system, clamping frame system and resistance device, polishing rail system spanes the polisher, clamping frame system slides along polishing rail system level, be equipped with rotatory clamping position in the clamping frame system, clamping frame system is rotatable with the work piece centre gripping in rotatory clamping position, resistance device installs on polishing rail system and is connected with the work piece transmission, polishing rail system includes first mounting panel, second mounting panel, link, bottom rail group and lateral wall guide rail, first mounting panel and second mounting panel parallel arrangement, the bottom at first mounting panel and second mounting panel is installed respectively at the both ends of link, bottom rail group includes first bottom rail and second bottom rail, first bottom rail and second bottom rail parallel arrangement are in the bottom of first mounting panel and second mounting panel respectively, the side wall guide rail is arranged at the top of a first support plate, the directions of the first bottom rail, the second bottom rail and the side wall guide rail are parallel to each other, the first support plate is higher than the second support plate, the resistance device is arranged at the top of the second support plate, the clamping frame system slides along the first bottom rail, the second bottom rail and the side wall guide rail respectively, the clamping frame system comprises a clamping sliding frame and a clamping constraint frame, the clamping sliding frame slides along a polishing rail system, the clamping constraint frame is rotatably arranged on the clamping sliding frame, a rotary clamping position is formed between the clamping sliding frame and the clamping constraint frame, the clamping sliding frame further comprises distance retaining rods, each distance retaining rod is fixedly arranged on the side wall of the clamping sliding frame, the direction of each distance retaining rod is parallel to the direction of the first bottom rail, each distance keeping rod is abutted to an adjacent clamping sliding frame, each clamping sliding frame comprises a plurality of sliding rods which slide correspondingly to a first bottom rail, a second bottom rail and a side wall guide rail respectively, each sliding rod is installed on the clamping sliding frame, sliding long grooves are formed in the first bottom rail, the second bottom rail and the side wall guide rail, the sliding rods slide along the corresponding sliding long grooves, a plurality of bottom supporting wheels are arranged on the clamping sliding frame, the axes of the bottom supporting wheels are mutually parallel, the outline of each bottom supporting wheel is tangent to the same circle, the clamping constraint frame comprises a clamping frame body and a plurality of roller assemblies, each clamping frame body comprises a plurality of clamping arms, one ends of the clamping arms are connected with each other, the other ends of the clamping arms are unfolded in a radial mode, each roller assembly is installed on the clamping arms in a sliding mode, each roller assembly is provided with a clamping rolling wheel, and each clamping rolling wheel is provided with a V-shaped groove.
2. The rotary domestic ceramic polishing device according to claim 1, wherein the polishing machine comprises a polishing disc and a polishing motor, and the polishing disc is in transmission connection with the polishing motor.
3. The rotary domestic ceramic polishing device according to claim 1, wherein the resistance device comprises a rubber rope and two resistance supporting rods, each resistance supporting rod is respectively arranged at the top of the second support plate, and two ends of the rubber rope are respectively arranged at the tops of the resistance supporting rods.
4. A method for polishing rotary domestic ceramics, which uses the rotary domestic ceramics polishing device as set forth in claim 1, and is characterized by comprising the following steps:
s1: the rotary household ceramic is arranged in a rotary clamping position of a clamping frame system;
s2: pushing the clamping frame system in along the polishing rail system;
s3, starting a grinding machine;
s4, rolling the rotary household ceramic on the resistance device when the clamping frame system pushes;
s5: the holder system is disassembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311169742.2A CN116922197B (en) | 2023-09-12 | 2023-09-12 | Rotary household ceramic polishing device and polishing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311169742.2A CN116922197B (en) | 2023-09-12 | 2023-09-12 | Rotary household ceramic polishing device and polishing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116922197A CN116922197A (en) | 2023-10-24 |
| CN116922197B true CN116922197B (en) | 2023-12-15 |
Family
ID=88375590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311169742.2A Active CN116922197B (en) | 2023-09-12 | 2023-09-12 | Rotary household ceramic polishing device and polishing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116922197B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09103948A (en) * | 1995-10-06 | 1997-04-22 | Hitachi Metals Ltd | Machining method for hemispherical surface |
| KR20040002753A (en) * | 2002-06-26 | 2004-01-07 | 심상배 | Bowling ball resurfacing apparatus |
| FR2949990A1 (en) * | 2009-09-17 | 2011-03-18 | Habib Mabrouk | DEVICE FOR THE PREPARATION OF STONE OR MARBLE VASKS AND SPHERES |
| JP2017030124A (en) * | 2015-08-05 | 2017-02-09 | 株式会社山崎 | Spherical surface engraving device |
| CN111215978A (en) * | 2020-02-12 | 2020-06-02 | 裴学文 | Three-dimensional clamping and polishing device for metal pipeline |
| CN112605782A (en) * | 2020-12-25 | 2021-04-06 | 许书纳 | Plastic bowl bottom burr polishing equipment |
| CN213033966U (en) * | 2020-07-27 | 2021-04-23 | 中建二局安装工程有限公司 | Large-scale steel ball shell butt welding frock |
| CN112705528A (en) * | 2020-12-10 | 2021-04-27 | 刘宇 | Surplus material device is removed to rotation type pottery bowl |
-
2023
- 2023-09-12 CN CN202311169742.2A patent/CN116922197B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09103948A (en) * | 1995-10-06 | 1997-04-22 | Hitachi Metals Ltd | Machining method for hemispherical surface |
| KR20040002753A (en) * | 2002-06-26 | 2004-01-07 | 심상배 | Bowling ball resurfacing apparatus |
| FR2949990A1 (en) * | 2009-09-17 | 2011-03-18 | Habib Mabrouk | DEVICE FOR THE PREPARATION OF STONE OR MARBLE VASKS AND SPHERES |
| JP2017030124A (en) * | 2015-08-05 | 2017-02-09 | 株式会社山崎 | Spherical surface engraving device |
| CN111215978A (en) * | 2020-02-12 | 2020-06-02 | 裴学文 | Three-dimensional clamping and polishing device for metal pipeline |
| CN213033966U (en) * | 2020-07-27 | 2021-04-23 | 中建二局安装工程有限公司 | Large-scale steel ball shell butt welding frock |
| CN112705528A (en) * | 2020-12-10 | 2021-04-27 | 刘宇 | Surplus material device is removed to rotation type pottery bowl |
| CN112605782A (en) * | 2020-12-25 | 2021-04-06 | 许书纳 | Plastic bowl bottom burr polishing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116922197A (en) | 2023-10-24 |
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