CN108838828A - A kind of burnishing device of ring-shaped article - Google Patents
A kind of burnishing device of ring-shaped article Download PDFInfo
- Publication number
- CN108838828A CN108838828A CN201810608875.8A CN201810608875A CN108838828A CN 108838828 A CN108838828 A CN 108838828A CN 201810608875 A CN201810608875 A CN 201810608875A CN 108838828 A CN108838828 A CN 108838828A
- Authority
- CN
- China
- Prior art keywords
- driving wheel
- ring
- plate
- tensioning
- sand belt
- 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.)
- Pending
Links
- 239000004576 sand Substances 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000005498 polishing Methods 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims 1
- 125000004122 cyclic group Chemical group 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
-
- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
-
- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of burnishing device of ring-shaped article, polishing mechanism includes the first driving wheel, the second driving wheel, sand belt, strainer and two transmission belts；Strainer includes tensioning cylinder, tensioning block, tension pole and tensioning bearing, and tensioning bearing holder (housing, cover) is set on tension pole and its inner ring is fixedly linked with tension pole；The outer wall of two transmission belts is individually fixed in the upper and lower ends of the inner wall of sand belt, and sand belt and transmission belt are sheathed on the outside of the first driving wheel and the second driving wheel, and the inner sidewall of sand belt is equipped with layer of sand；Positioning mechanism includes rotating seat, positioning column, compression cylinder and rotating electric machine, the movable end of compression cylinder is equipped with pressure plate, and pressure plate is set to the top of positioning column, and the bottom of pressure plate is set to inserting column, positioning bearing is arranged on inserting column, the inner ring and inserting column for positioning bearing are fixedly linked.Structure of the invention is compact, easy to use, can carry out fast and effeciently polishing operation to the outer circle wall of cyclic annular accessory.
Description
Technical field
The present invention relates to field of machining, are related specifically to a kind of burnishing device of ring-shaped article.
Background technique
Polishing mechanical is exactly specially to rub to object (such as gold vessel, ironware) surface, and body surface is made to become smooth
A kind of machinery.It is frequently necessary to carry out polishing operation to the outer circumferential walls of cyclic annular accessory during machinery production.However, using
It first needs for cyclic annular accessory to be reliably fixed when traditional polissoir is polished in shelving on seat, and passes through buffing wheel pair
The outer circle wall of cyclic annular accessory is polished, cumbersome, and the efficiency of polishing is relatively slow and quality of finish cannot be guaranteed.
Summary of the invention
It is an object of the invention to aiming at the shortcomings in the prior art, provide a kind of burnishing device of ring-shaped article, to solve
The above problem.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of burnishing device of ring-shaped article, polishing mechanism and positioning mechanism including workbench and on workbench,
The polishing mechanism includes the first driving wheel, the second driving wheel, sand belt and two transmission belts set on the inside of sand belt；
Workbench is equipped with bottom plate, and the both ends of bottom plate pass through cushion block respectively and pad pipe is installed on workbench, pads the internal cavities of pipe, pads
Polishing motor is installed, the output end key connection of polishing motor has drive rod, and drive rod passes through work in the workbench below pipe
Aperture on platform simultaneously stretches out pad pipe, and the first driving wheel is fixed on the extension end of drive rod；The top of bottom plate is equipped with and shelves plate, shelves
The bottom of plate is fixed on bottom plate by several supporting blocks, and the second driving wheel is rotatably arranged in by the second rotary shaft and shelves plate
On；Described shelve is additionally provided with strainer on plate, strainer be set to sand belt inside, strainer include tensioning cylinder,
Tensioning block, tension pole and tensioning bearing, tensioning cylinder, which is fixed on, to be shelved on plate, and the movable end of tensioning cylinder is equipped with tensioning block,
Tension pole is fixed in tensioning block vertically, and tensioning bearing holder (housing, cover) is set on tension pole and its inner ring is fixedly linked with tension pole；
The outer wall of two transmission belts is individually fixed in the upper and lower ends of the inner wall of sand belt, the first driving wheel and the second transmission
The upper and lower ends of the circumferential wall of wheel offer the first transmission groove matched with two transmission belts respectively and the second transmission is recessed
Slot, two transmission belts are connected by the first transmission groove and the second transmission groove with the first driving wheel and the transmission of the second driving wheel,
Sand belt and transmission belt are sheathed on the outside of the first driving wheel and the second driving wheel, and the inner sidewall of sand belt is equipped with layer of sand；
Positioning mechanism includes rotating seat, positioning column, compression cylinder and rotating electric machine, and rotating electric machine is fixed on bottom plate, rotation
Swivel base is set to the top for shelving plate and is set to the inside of sand belt, the output end of rotating electric machine pass through shelve perforation on plate and with
Rotating seat is connected, and positioning column is vertically arranged and its bottom is fixed on the top surface of rotating seat, and the outer diameter of positioning column is no more than ring-type
The internal diameter of part, and its height is less than the height of ring-shaped article；It shelves and clamping frame is installed on plate, compression cylinder is fixed on clamping frame
On, the movable end of compression cylinder is equipped with pressure plate, and pressure plate is set to the top of positioning column, and the bottom of pressure plate is set to inserting column,
Positioning bearing is arranged on inserting column, the inner ring and inserting column for positioning bearing are fixedly linked.
Further, the sand belt is connected with transmission belt bonding；Its top surface is lower than when ring-shaped article is held on column spinner
The bottom surface of the transmission belt of upside and its bottom surface are higher than the top surface of the transmission belt positioned at downside.
Further, the rotation direction of the rotating electric machine and the rotation direction of sand belt are opposite.
Compared with prior art, beneficial effects of the present invention are as follows：
Cyclic annular accessory is held on the positioning column of rotating seat, compression cylinder drives positioning bearing to move down and to determine
Position bearing compresses ring-shaped article, is secured in a press ring-shaped article on rotating seat.Tensioning bearing is driven by tensioning cylinder
It is mobile to the outside of sand belt, make sand belt and transmission belt be tensioned and with the first driving wheel, the second driving wheel, ring-shaped article and tensioning
The outer wall of bearing is tensioned fitting.Then rotating electric machine drives rotating seat rotation, so that ring-shaped article rotates therewith.Ring-shaped article
The inner wall of outer wall and sand belt is tangent, has by the layer of sand of sand belt to the outer circumferential walls of annular element when sand belt rotation
Effect ground grinding and buffing.The rotation direction of rotating electric machine and the rotation direction of sand belt are on the contrary, so as to accelerate sand belt to ring
The polishing action of shape accessory.Compression cylinder drives positioning bearing to move up after completing polishing, and tensioning cylinder drives tensioning shaft
It holds mobile to the center of sand belt so that sand belt be made to loosen, then removes ring-shaped article from rotating seat.Knot of the present invention
Structure is compact, easy to use, can carry out fast and effeciently polishing operation to the outer circle wall of cyclic annular accessory.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the burnishing device of ring-shaped article of the present invention.
Fig. 2 is the top view of the burnishing device of ring-shaped article of the present invention.
Fig. 3 is the partial enlarged view of the burnishing device of ring-shaped article of the present invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Referring to FIG. 1 to FIG. 3, a kind of burnishing device of ring-shaped article of the present invention, including workbench 10 and be set to work
Make the polishing mechanism and positioning mechanism on platform 10.Polishing mechanism include the first driving wheel 21, the second driving wheel 22, sand belt 23 with
And two transmission belts 24 set on the inside of sand belt 23.Workbench 10 is equipped with bottom plate 31, and the both ends of bottom plate 31 pass through respectively
Cushion block and pad pipe are installed on workbench 10.The internal cavities of pipe are padded, pads in the workbench 10 below pipe and polishing motor is installed
32.The output end key connection of polishing motor 32 has drive rod, and drive rod passes through the aperture on workbench 10 and stretches out pad pipe.First
Driving wheel 21 is fixed on the extension end of drive rod.The top of bottom plate 31 is equipped with and shelves plate 33, shelve the bottom of plate 33 pass through it is several
Supporting block is fixed on bottom plate 31, and the second driving wheel 22 is rotatably arranged in by the second rotary shaft to be shelved on plate 33.
It shelves and is additionally provided with strainer on plate 33, strainer is set to the inside of sand belt 23.Strainer includes tensioning
Cylinder 41, tensioning block, tension pole and tensioning bearing 42.Tensioning cylinder 41, which is fixed on, to be shelved on plate 33, the activity of tensioning cylinder 41
End is equipped with tensioning block.Tension pole is fixed in tensioning block vertically, tensioning bearing 42 be sheathed on tension pole and its inner ring with
Tight column is fixedly linked.When tensioning cylinder 41 drives tensioning bearing 42 to may make sand belt 23 to open when moving on the outside of sand belt 23
Tightly；Conversely, sand belt 23 can be made to loosen when tensioning cylinder 41 drives tensioning bearing 42 mobile to 23 center of sand belt.
The outer wall of two transmission belts 24 is reliably fixed respectively in the upper and lower ends of the inner wall of sand belt 23.First driving wheel 21
It is recessed to offer the first transmission matched with two transmission belts 24 respectively with the upper and lower ends of the circumferential wall of the second driving wheel 22
Slot and the second transmission groove.Two transmission belts 24 pass through the first transmission groove and the second transmission groove and the first driving wheel 21 and the
The transmission of two driving wheels 22 is connected.Sand belt 23 and transmission belt 24 are sheathed on the outside of the first driving wheel 21 and the second driving wheel 22,
The inner sidewall of sand belt 23 is equipped with layer of sand.Layer of sand can be placed on sand belt 23 by sand paper layer is directly viscous, can also directly thrown
The surface of light belt 23 processes to form layer of sand.
Positioning mechanism includes rotating seat, positioning column, compression cylinder and rotating electric machine.Rotating electric machine is fixed on bottom plate 31,
Rotating seat is set to the top for shelving plate 33 and is set to the inside of sand belt 23.The output end of rotating electric machine is passed through and is shelved on plate 33
It perforates and is connected with rotating seat, positioning column is vertically arranged and its bottom is fixed on the top surface of rotating seat.The outer diameter of positioning column is not
Greater than the internal diameter of ring-shaped article 100, and its height is less than the height of ring-shaped article 100.It shelves and clamping frame is installed on plate 33, compress gas
Cylinder is fixed on clamping frame, and the movable end of compression cylinder is equipped with pressure plate 51.Pressure plate 51 is set to the top of positioning column, compresses
The bottom of plate 51 is set to inserting column.Positioning bearing 52 is arranged on inserting column, the inner ring of positioning bearing 52 is fixedly linked with inserting column.Pass through
Compression cylinder drives positioning bearing 52 to move up and down, so that rotating electric machine be driven to move up and down, ring-shaped article is held on positioning column
On, ring-shaped article is secured in a press between positioning bearing 52 and rotating seat by positioning bearing 52, is driven by rotating electric machine
Rotating seat rotation, so as to drive ring-shaped article 100 to rotate with it.
Sand belt 23 is connected with the bonding of transmission belt 24, and the two is made to form one.When ring-shaped article 100 is held on column spinner its
Top surface is lower than the bottom surface of the transmission belt 24 of upside and its bottom surface and is higher than the top surface of the transmission belt 24 positioned at downside.
Ring-shaped article during use, is first held on rotating seat and the center of ring-shaped article 100 is set to by the present invention
On positioning column, compression cylinder drives positioning bearing 52 to move down and positioning bearing 52 compresses ring-shaped article, makes ring
Shape part is secured in a press on rotating seat.It drives tensioning bearing 42 mobile to the outside of sand belt 23 by tensioning cylinder 41, makes
Sand belt 23 and transmission belt 24 tensioning and with the first driving wheel 21, the second driving wheel 22, ring-shaped article and be tensioned bearing 42 outer wall
Tensioning fitting.Then rotating electric machine drives rotating seat rotation, so that ring-shaped article rotates therewith.The outer wall of ring-shaped article 100 with
The inner wall of sand belt 23 is tangent, has by the layer of sand of sand belt 23 to the outer circumferential walls of annular element when sand belt 23 is rotated
Effect ground grinding and buffing.The rotation direction of rotating electric machine and the rotation direction of sand belt 23 are on the contrary, so as to accelerate sand belt 23
To the polishing action of cyclic annular accessory；The rotation direction and 23 differential of sand belt that rotating electric machine can certainly be arranged rotate, and make ring
Shape part and sand belt 23 occur relative friction and carry out polishing operation.When complete polishing after compression cylinder drive positioning bearing 52 to
Upper movement, tensioning cylinder 41 drive tensioning bearing 42 mobile to make sand belt 23 loosen to the center of sand belt 23, then will
Ring-shaped article is removed from rotating seat.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (3)
1. a kind of burnishing device of ring-shaped article, it is characterised in that：Polishing mechanism including workbench and on workbench and
Positioning mechanism, the polishing mechanism include the first driving wheel, the second driving wheel, sand belt and set on the two of the inside of sand belt
Root transmission belt；Workbench is equipped with bottom plate, and the both ends of bottom plate pass through cushion block respectively and pad pipe is installed on workbench, pads the interior of pipe
Portion's cavity pads and is equipped with polishing motor in the workbench below pipe, and the output end key connection of polishing motor has drive rod, drive rod
Aperture on workbench simultaneously stretches out pad pipe, and the first driving wheel is fixed on the extension end of drive rod；The top of bottom plate is equipped with and puts
Plate is set, the bottom for shelving plate is fixed on bottom plate by several supporting blocks, and the second driving wheel passes through the second rotary shaft rotationally
Set on shelving on plate；Described shelve is additionally provided with strainer on plate, strainer is set to the inside of sand belt, and strainer includes
Tensioning cylinder, tensioning block, tension pole and tensioning bearing, tensioning cylinder, which is fixed on, to be shelved on plate, the movable end installation of tensioning cylinder
There is tensioning block, tension pole is fixed in tensioning block vertically, and tensioning bearing holder (housing, cover) is set on tension pole and its inner ring is fixed with tension pole
It is connected；
The outer wall of two transmission belts is individually fixed in the upper and lower ends of the inner wall of sand belt, the first driving wheel and the second driving wheel
The upper and lower ends of circumferential wall offer the first transmission groove and the second transmission groove matched with two transmission belts respectively, and two
Root transmission belt is connected by the first transmission groove and the second transmission groove with the first driving wheel and the transmission of the second driving wheel, sand belt
The outside of the first driving wheel and the second driving wheel is sheathed on transmission belt, the inner sidewall of sand belt is equipped with layer of sand；
Positioning mechanism includes rotating seat, positioning column, compression cylinder and rotating electric machine, and rotating electric machine is fixed on bottom plate, rotating seat
Set on the top for shelving plate and be set to the inside of sand belt, the output end of rotating electric machine pass through shelve perforation on plate and with rotation
Seat is connected, and positioning column is vertically arranged and its bottom is fixed on the top surface of rotating seat, and the outer diameter of positioning column is no more than ring-shaped article
Internal diameter, and its height is less than the height of ring-shaped article；It shelves and clamping frame is installed on plate, compression cylinder is fixed on clamping frame, pressure
The movable end of tight cylinder is equipped with pressure plate, and pressure plate is set to the top of positioning column, and the bottom of pressure plate is on inserting column, inserting column
It is arranged with positioning bearing, the inner ring and inserting column for positioning bearing are fixedly linked.
2. the burnishing device of ring-shaped article according to claim 1, it is characterised in that：The sand belt bonds phase with transmission belt
Even；Its top surface is lower than the bottom surface of the transmission belt of upside when ring-shaped article is held on column spinner and its bottom surface is higher than the biography for being located at downside
The top surface of dynamic band.
3. the burnishing device of ring-shaped article according to claim 1, it is characterised in that：The rotation direction of the rotating electric machine with
The rotation direction of sand belt is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608875.8A CN108838828A (en) | 2018-06-13 | 2018-06-13 | A kind of burnishing device of ring-shaped article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608875.8A CN108838828A (en) | 2018-06-13 | 2018-06-13 | A kind of burnishing device of ring-shaped article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108838828A true CN108838828A (en) | 2018-11-20 |
Family
ID=64201949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810608875.8A Pending CN108838828A (en) | 2018-06-13 | 2018-06-13 | A kind of burnishing device of ring-shaped article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108838828A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644948A (en) * | 2020-05-13 | 2020-09-11 | 牟小杰 | Automatic burnishing and polishing device of ring |
| CN111761477A (en) * | 2019-03-30 | 2020-10-13 | 华北水利水电大学 | Cylindrical workpiece surface polishing with tensioning device |
| CN113618572A (en) * | 2021-10-09 | 2021-11-09 | 南通星维海威精密机械有限公司 | Inner wall polishing and grinding equipment for machining internal combustion engine accessories |
| CN113649915A (en) * | 2021-08-30 | 2021-11-16 | 富田不锈钢有限公司 | Outer polishing device of tuber |
| CN115284140A (en) * | 2022-08-17 | 2022-11-04 | 昆山新莱洁净应用材料股份有限公司 | Batch polishing device and method for BPE sanitary pipe fittings |
| CN118905416A (en) * | 2024-10-08 | 2024-11-08 | 华庭锅炉(泰州)有限公司 | Welding equipment for boiler flue processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201979386U (en) * | 2010-12-01 | 2011-09-21 | 顾金叶 | Mirror surface polishing mechanism |
| CN203305037U (en) * | 2013-06-29 | 2013-11-27 | 冯会民 | Stainless steel kettle polishing automation plant |
| DE202014102403U1 (en) * | 2014-05-22 | 2014-06-06 | Thielenhaus Technologies Gmbh | Pressing device with a toothed belt |
| CN105773359A (en) * | 2016-03-16 | 2016-07-20 | 温州职业技术学院 | Force-controlled flexible polishing equipment for outer surface of bearing outer ring |
-
2018
- 2018-06-13 CN CN201810608875.8A patent/CN108838828A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201979386U (en) * | 2010-12-01 | 2011-09-21 | 顾金叶 | Mirror surface polishing mechanism |
| CN203305037U (en) * | 2013-06-29 | 2013-11-27 | 冯会民 | Stainless steel kettle polishing automation plant |
| DE202014102403U1 (en) * | 2014-05-22 | 2014-06-06 | Thielenhaus Technologies Gmbh | Pressing device with a toothed belt |
| CN105773359A (en) * | 2016-03-16 | 2016-07-20 | 温州职业技术学院 | Force-controlled flexible polishing equipment for outer surface of bearing outer ring |
Non-Patent Citations (1)
| Title |
|---|
| 非标数模: "圆柱形产品抛光机", 《沐风图纸-HTTP://WWW.MFCAD.COM/TUZHI/UG/6024/81548.HTML》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761477A (en) * | 2019-03-30 | 2020-10-13 | 华北水利水电大学 | Cylindrical workpiece surface polishing with tensioning device |
| CN111761477B (en) * | 2019-03-30 | 2024-05-17 | 华北水利水电大学 | Tensioning device for polishing belt on surface of cylindrical workpiece |
| CN111644948A (en) * | 2020-05-13 | 2020-09-11 | 牟小杰 | Automatic burnishing and polishing device of ring |
| CN113649915A (en) * | 2021-08-30 | 2021-11-16 | 富田不锈钢有限公司 | Outer polishing device of tuber |
| CN113618572A (en) * | 2021-10-09 | 2021-11-09 | 南通星维海威精密机械有限公司 | Inner wall polishing and grinding equipment for machining internal combustion engine accessories |
| CN113618572B (en) * | 2021-10-09 | 2021-12-07 | 南通星维海威精密机械有限公司 | Inner wall polishing and grinding equipment for machining internal combustion engine accessories |
| CN115284140A (en) * | 2022-08-17 | 2022-11-04 | 昆山新莱洁净应用材料股份有限公司 | Batch polishing device and method for BPE sanitary pipe fittings |
| CN115284140B (en) * | 2022-08-17 | 2023-11-17 | 昆山新莱洁净应用材料股份有限公司 | BPE sanitary pipe fitting batch polishing device and polishing method |
| CN118905416A (en) * | 2024-10-08 | 2024-11-08 | 华庭锅炉(泰州)有限公司 | Welding equipment for boiler flue processing |
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Application publication date: 20181120 |
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| RJ01 | Rejection of invention patent application after publication |