CN111633550B - Steel pipe inner wall burnishing device - Google Patents
Steel pipe inner wall burnishing device Download PDFInfo
- Publication number
- CN111633550B CN111633550B CN202010436652.5A CN202010436652A CN111633550B CN 111633550 B CN111633550 B CN 111633550B CN 202010436652 A CN202010436652 A CN 202010436652A CN 111633550 B CN111633550 B CN 111633550B
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- connecting shaft
- gears
- polishing
- wall
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 238000005498 polishing Methods 0.000 claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 22
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 description 10
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
-
- 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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
-
- 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
- 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
Abstract
The invention relates to a polishing device, in particular to a polishing device for an inner wall of a steel pipe. The invention aims to solve the technical problem of how to design a steel pipe inner wall polishing device capable of processing iron chips in a steel pipe during polishing. The invention provides a steel pipe inner wall polishing device, which comprises: one side of the top of the bottom plate is connected with an installation plate, and a motor is installed on the installation plate; the polishing mechanism is arranged between the bottom plate and the motor and is used for polishing the inner wall of the steel pipe; and the fixing mechanism is arranged in the polishing mechanism and is used for fixing the steel pipe. According to the invention, the polishing mechanism is matched with the fixing mechanism to polish the rust on the inner wall of the steel pipe, so that the effect of polishing the rust on the inner wall of the steel pipe is achieved.
Description
Technical Field
The invention relates to a polishing device, in particular to a polishing device for an inner wall of a steel pipe.
Background
Steel having a hollow cross-section with a length much greater than the diameter or circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality. The inside of the steel pipe is largely rusted if the steel pipe is not used for a long time, and the rust on the inner wall of the steel pipe needs to be polished before use.
Through retrieval, a patent with an authorized patent publication number of CN203019201U discloses a steel tube inner wall polishing device, which comprises two belt wheels connected through belt transmission, wherein the belt is provided with gauze and is arranged in a steel tube in a penetrating way and contacted with the inner wall of the steel tube; the steel pipes are connected through a rotating mechanism. The invention can improve the smooth finish of the inner wall of the steel pipe and prolong the service life of the steel pipe; the hydraulic system can reduce the flow friction force of oil liquid, reduce the idle work done by the system and ensure that the hydraulic system operates more stably and reliably. The above patents suffer from the following disadvantages: scrap iron generated during polishing of the inner wall of the steel pipe cannot be treated, so that scrap iron flies in a mess easily, and the requirements of people cannot be met.
Therefore, it is necessary to develop a steel pipe inner wall polishing apparatus capable of processing iron chips inside a steel pipe during polishing.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects that scrap iron generated in the steel pipe inner wall polishing process cannot be treated and is easy to fly in a mess, and the technical problem to be solved by the invention is to provide a steel pipe inner wall polishing device capable of treating the scrap iron in the steel pipe during the steel pipe polishing process.
(2) Technical scheme
In order to solve the technical problem, the invention provides a steel pipe inner wall polishing device which comprises a bottom plate, wherein one side of the top of the bottom plate is connected with an installation plate, and a motor is installed on the installation plate; the polishing mechanism is arranged between the bottom plate and the motor and is used for polishing the inner wall of the steel pipe; and the fixing mechanism is arranged in the polishing mechanism and is used for fixing the steel pipe.
Preferably, the polishing mechanism comprises a connecting shaft connected to an output shaft of the motor, the connecting shaft is rotatably connected with a shell, and the shell is in sliding fit with the connecting shaft; the first gears are arranged in a plurality of numbers, and the first gears are uniformly connected to the connecting shaft at intervals; the number of the annular gear rings is consistent with that of the first gears, the annular gear rings are rotatably connected to the outer side of the shell at uniform intervals, a plurality of convex blocks are uniformly connected to the annular gear rings at intervals along the circumferential direction, and a plurality of arc-shaped grinding plates are connected among the convex blocks on the outer sides of the annular gear rings; the number of the second gears is consistent with that of the first gears, the second gears are rotatably connected in the shell at uniform intervals, the upper parts of the second gears penetrate through the shell to be meshed with the annular gear ring, and the lower parts of the second gears are meshed with the first gears; the slide, it is the polylith setting, and polylith slide is connected respectively at polylith arc grinding plate both ends.
Preferably, the fixing mechanism comprises a first pushing block which is connected to one side, close to the motor, of the connecting shaft in a sliding manner, the first pushing block is in rotating fit with the connecting shaft, the first pushing block is connected with a connecting frame, the tail end of the connecting frame is connected with a second pushing block, the second pushing block is in sliding fit with the connecting shaft, and the connecting shaft is in rotating fit with the second pushing block; t shape roof, it is the polylith setting, and polylith T shape roof is connected in the casing both sides along the even spaced slidingtype of circumference, and T shape roof and slide sliding fit are connected with the elastic component between T shape roof and the casing.
Preferably, the electric motor also comprises a blocking mechanism, wherein the blocking mechanism comprises a blade which is connected to one side of the connecting shaft close to the motor; the other side of the top of the bottom plate is provided with a clamping groove, and the clamping groove is internally clamped with the conical baffle and is detachably arranged.
Preferably, the device further comprises a return spring, the return spring is connected between the connecting shaft and the first pushing block, and the return spring is in running fit with the connecting shaft.
(3) Advantageous effects
1. According to the invention, the polishing mechanism is matched with the fixing mechanism to polish the rust on the inner wall of the steel pipe, so that the effect of polishing the rust on the inner wall of the steel pipe is achieved.
2. According to the invention, scrap iron generated during steel pipe polishing is processed through the blocking mechanism, so that the effect of processing the scrap iron generated during steel pipe polishing is achieved.
3. The invention can process the scrap iron generated during polishing through the blocking mechanism during operation, thereby effectively solving the technical problems in the patents.
Drawings
Fig. 1 is a schematic top-view perspective structure of the present invention.
Fig. 2 is a partial perspective view of a first embodiment of the present invention.
Fig. 3 is an enlarged perspective view of the portion a of the present invention.
Fig. 4 is a second partial perspective view of the present invention.
Fig. 5 is an enlarged perspective view of the portion B of the present invention.
Fig. 6 is an enlarged perspective view of the portion C of the present invention.
The labels in the figures are: 1-bottom plate, 2-mounting plate, 3-motor, 4-polishing mechanism, 401-connecting shaft, 402-shell, 403-first gear, 404-annular gear ring, 405-second gear, 406-lug, 407-arc grinding plate, 408-sliding plate, 5-fixing mechanism, 501-first push block, 502-connecting frame, 503-second push block, 504-T-shaped top plate, 505-elastic piece, 6-blocking mechanism, 7-blade, 8-clamping groove, 9-conical baffle and 10-reset spring.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
A steel pipe inner wall polishing device is shown in figures 1-5 and comprises a bottom plate 1, a mounting plate 2, a motor 3, a polishing mechanism 4 and a fixing mechanism 5, wherein the mounting plate 2 is connected to the front side of the top of the bottom plate 1, the motor 3 is mounted on the mounting plate 2, the polishing mechanism 4 is arranged between the bottom plate 1 and the motor 3, and the fixing mechanism 5 is arranged in the polishing mechanism 4.
The polishing mechanism 4 comprises a connecting shaft 401, a shell 402, a first gear 403, an annular gear ring 404, a second gear 405, a bump 406, an arc-shaped grinding plate 407 and a sliding plate 408, wherein the output shaft of the motor 3 is connected with the connecting shaft 401, the connecting shaft 401 is rotatably connected with the shell 402, the shell 402 is in sliding fit with the connecting shaft 401, the connecting shaft 401 is uniformly connected with the three first gears 403 at intervals, the outer side of the shell 402 is uniformly and rotatably connected with the three annular gear rings 404 at intervals, the shell 402 is internally and uniformly and rotatably connected with the three second gears 405 at intervals, the upper part of the second gear 405 penetrates through the shell 402 to be meshed with the annular gear ring 404, the lower part of the second gear 405 is meshed with the first gear 403, the annular gear ring 404 is uniformly and circumferentially connected with three bumps 406 at intervals, three arc-shaped grinding plates 407 are connected between the bumps 406 at the outer side of the three annular gear rings 404, the arc-shaped grinding plates 407 are uniformly and circumferentially distributed at intervals outside the shell 402, the front and rear ends of the arc-shaped grinding plate 407 are connected with sliding plates 408.
The fixing mechanism 5 comprises a first pushing block 501, a connecting frame 502, a second pushing block 503, a T-shaped top plate 504 and an elastic piece 505, the first pushing block 501 is connected to the front side of the connecting shaft 401 in a sliding mode, the first pushing block 501 is in running fit with the connecting shaft 401, the connecting frame 502 is connected to the first pushing block 501, the second pushing block 503 is connected to the tail end of the connecting frame 502, the second pushing block 503 is in sliding fit with the connecting shaft 401, the connecting shaft 401 is in running fit with the second pushing block 503, three T-shaped top plates 504 are connected to the front side and the rear side of the shell 402 in a sliding mode at equal intervals along the circumferential direction, the T-shaped top plates 504 are in sliding fit with the sliding plates 408, and the elastic piece 505 is connected between the T-shaped top plates 504 and the shell 402.
When the inner wall of the steel pipe needs to be polished, the device can be used, firstly, a user can sleeve the steel pipe on the outer side of the shell 402, after the sleeve is well sleeved, the first push block 501 is supported to fix the steel pipe, then the steel pipe is continuously pushed to move forwards, the steel pipe can push the shell 402 and all devices on the shell 402 to move together when moving, because the first push block 501, the connecting frame 502 and the second push block 503 do not move any more at this time, the T-shaped top plates 504 on the front side and the rear side move outwards through the second push block 503 and the first push block 501, the elastic piece 505 is compressed, the T-shaped top plates 504 can drive the arc-shaped grinding plates 407 to move outwards through the sliding plates 408 when moving outwards, when the arc-shaped grinding plates 407 abut against the inner wall of the steel pipe, the pushing of the steel pipe is stopped, at this time, the motor 3 can be started to drive the connecting shaft 401 to rotate through the first gear 403 to drive the second gear 405 to rotate, the second gear 405 rotates to drive the annular gear 404 to rotate, annular ring gear 404 rotates and drives arc through lug 406 and grinds board 407 and rotate, and arc grinds board 407 and can polish the steel pipe inner wall when rotating, so, just can polish the steel pipe inner wall, and the back that finishes of polishing, close motor 3, it can to pull out the steel pipe again.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 2 and 6, the device further comprises a blocking mechanism 6, wherein the blocking mechanism 6 comprises a blade 7 and a conical baffle 9, the blade 7 is connected to the front side of the connecting shaft 401, a clamping groove 8 is formed in the rear side of the mounting plate 2, the conical baffle 9 is clamped in the clamping groove 8, the conical baffle 9 is located on the rear side of the shell 402, and the conical baffle 9 is detachably arranged.
When putting into the steel pipe, pull down earlier toper baffle 9 and place the steel pipe again, place the back that finishes, go into draw-in groove 8 with toper baffle 9 card again, when polishing, connecting axle 401 rotates and can drive blade 7 and rotate together, and blade 7 can blow the iron fillings that the steel pipe was thrown out when polishing backward when rotating, and the iron fillings that blow off are blocked by toper baffle 9, so, just can avoid iron fillings to fall all everywhere on the board device, and it is comparatively troublesome to clean.
As shown in fig. 6, the push rod further comprises a return spring 10, the return spring 10 is connected between the connecting shaft 401 and the first push block 501, and the return spring 10 is in running fit with the connecting shaft 401.
Can fix first ejector pad 501 through reset spring 10 when promoting the steel pipe, do not need the manual work to fix first ejector pad 501, the effectual manpower of having saved.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. The utility model provides a steel pipe inner wall burnishing device which characterized in that, including: one side of the top of the bottom plate (1) is connected with an installation plate (2), and a motor (3) is installed on the installation plate (2); the polishing mechanism (4) is arranged between the bottom plate (1) and the motor (3), and the polishing mechanism (4) is used for polishing the inner wall of the steel pipe; the fixing mechanism (5) is arranged in the polishing mechanism (4), and the fixing mechanism (5) is used for fixing the steel pipe;
the polishing mechanism (4) comprises: the connecting shaft (401) is connected to an output shaft of the motor (3), the connecting shaft (401) is rotatably connected with a shell (402), and the shell (402) is in sliding fit with the connecting shaft (401); the first gears (403) are arranged in a plurality, and the first gears (403) are connected to the connecting shaft (401) at uniform intervals; the number of the annular gear rings (404) is consistent with that of the first gears (403), a plurality of annular gear rings (404) are rotatably connected to the outer side of the shell (402) at uniform intervals, a plurality of convex blocks (406) are uniformly connected to the annular gear rings (404) at intervals along the circumferential direction, and a plurality of arc-shaped grinding plates (407) are connected among the convex blocks (406) on the outer side of the plurality of annular gear rings (404); the number of the second gears (405) is consistent with that of the first gears (403), a plurality of second gears (405) are rotatably connected in the shell (402) at even intervals, the upper parts of the second gears (405) penetrate through the shell (402) to be meshed with the annular gear ring (404), and the lower parts of the second gears (405) are meshed with the first gears (403); the sliding plates (408) are arranged in a plurality of blocks, and the sliding plates (408) are respectively connected to two ends of the arc-shaped grinding plates (407).
2. The steel pipe inner wall polishing device according to claim 1, wherein the fixing mechanism (5) comprises: the first push block (501) is connected to one side, close to the motor (3), of the connecting shaft (401) in a sliding mode, the first push block (501) is in running fit with the connecting shaft (401), a connecting frame (502) is connected to the first push block (501), a second push block (503) is connected to the tail end of the connecting frame (502), the second push block (503) is in running fit with the connecting shaft (401), and the connecting shaft (401) is in running fit with the second push block (503); t shape roof (504), it is the polylith setting, polylith T shape roof (504) along the even spaced slidingtype connection in casing (402) both sides of circumference, T shape roof (504) and slide (408) sliding fit, be connected with elastic component (505) between T shape roof (504) and casing (402).
3. The steel pipe inner wall polishing device according to claim 2, further comprising a blocking mechanism (6), wherein the blocking mechanism (6) comprises: the blade (7) is connected to one side, close to the motor (3), of the connecting shaft (401); the conical baffle (9), a clamping groove (8) is formed in the other side of the top of the bottom plate (1), the conical baffle (9) is connected in the clamping groove (8) in a clamping mode, and the conical baffle (9) is detachably arranged.
4. The steel pipe inner wall polishing device according to claim 3, further comprising: the return spring (10) is connected between the connecting shaft (401) and the first push block (501), and the return spring (10) is in running fit with the connecting shaft (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010436652.5A CN111633550B (en) | 2020-05-21 | 2020-05-21 | Steel pipe inner wall burnishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010436652.5A CN111633550B (en) | 2020-05-21 | 2020-05-21 | Steel pipe inner wall burnishing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111633550A CN111633550A (en) | 2020-09-08 |
| CN111633550B true CN111633550B (en) | 2021-10-22 |
Family
ID=72324771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010436652.5A Active CN111633550B (en) | 2020-05-21 | 2020-05-21 | Steel pipe inner wall burnishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111633550B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4348239B2 (en) * | 2004-06-24 | 2009-10-21 | 豊光産業株式会社 | Polishing device for inner surface of long pipe |
| CN106736903A (en) * | 2016-11-29 | 2017-05-31 | 安徽宝泰特种材料有限公司 | A kind of wet method pipe fitting inside and outside circle polishing machine |
| CN207448167U (en) * | 2017-06-30 | 2018-06-05 | 天津市昊航复合管业有限公司 | A kind of inner wall polishing device of steel pipe |
| CN209774218U (en) * | 2018-12-13 | 2019-12-13 | 天津市亿腾顺泰建筑材料有限公司 | Seamless steel tube inner hole grinding machine |
| CN209831141U (en) * | 2019-01-24 | 2019-12-24 | 新疆通庆塑业有限公司 | Device for improving flatness of inner circle of PVC (polyvinyl chloride) pipe |
-
2020
- 2020-05-21 CN CN202010436652.5A patent/CN111633550B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111633550A (en) | 2020-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114054442B (en) | High-speed electric arc machining device with fatigue layer cleaning function | |
| CN214162375U (en) | Grinding wheel device for cleaning welding beading of pipeline | |
| CN115302351A (en) | Deburring device for steel pipe cutting port | |
| CN111633550B (en) | Steel pipe inner wall burnishing device | |
| CN210524733U (en) | Pipe polishing equipment | |
| CN215318039U (en) | Belt pulley processing is with clamping device who has scrap removing mechanism that polishes | |
| CN109590866B (en) | Polishing machine capable of removing dust | |
| CN110026870A (en) | A kind of round steel grinding device | |
| CN210703946U (en) | Polishing device for auto-parts | |
| CN108908054B (en) | Rust removal device of cold rolling mill | |
| CN110125780A (en) | A kind of steel tube surface derusting grinding device that there is polishing powder dirt to remove function | |
| CN114102320B (en) | Steel pipe cutting back burr equipment of polishing | |
| CN116394132A (en) | Rust removal device in heat supply pipeline | |
| CN115847207A (en) | Water pipe rust cleaning device for hydraulic engineering | |
| CN214025065U (en) | Automatically cleaning emery wheel of polishing | |
| CN214559817U (en) | Frame return bend burnishing machine | |
| CN107322437B (en) | Shaft part outer wall polishing device | |
| CN206937025U (en) | Metal tube polishes unit wheel construction | |
| CN212706056U (en) | Tool steel raw material rust removal polishing device | |
| CN111300242A (en) | Rust removal device for pipes | |
| CN216608555U (en) | Centerless circular tube polishing machine with efficient rust removal effect | |
| CN110480440B (en) | Surface burr removing device for automobile pipeline machining | |
| CN214599200U (en) | Polishing device and vertical environment-friendly dust removal polishing machine | |
| CN216029734U (en) | Excircle polishing equipment for brake machining | |
| CN212683544U (en) | Cylindrical shell outer circle polishing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210930 Address after: 230000 west of Jixing Road, Huainan Economic and Technological Development Zone, Huainan City, Anhui Province (No. 7, Jixing Road) Applicant after: Anhui Yongchuang Energy Technology Co.,Ltd. Address before: 330000 room 1008, building 1, No.05 baishuihu Road, Qingshanhu District, Nanchang City, Jiangxi Province Applicant before: Kang Lanlan |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A polishing device for the inner wall of steel pipes Effective date of registration: 20231115 Granted publication date: 20211022 Pledgee: Huainan Longhu Branch of Huishang Bank Co.,Ltd. Pledgor: Anhui Yongchuang Energy Technology Co.,Ltd. Registration number: Y2023980065560 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |