CN109093474B - Small-size stainless steel pipe fitting grinding device - Google Patents
Small-size stainless steel pipe fitting grinding device Download PDFInfo
- Publication number
- CN109093474B CN109093474B CN201811219976.2A CN201811219976A CN109093474B CN 109093474 B CN109093474 B CN 109093474B CN 201811219976 A CN201811219976 A CN 201811219976A CN 109093474 B CN109093474 B CN 109093474B
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- Prior art keywords
- block
- far away
- fixing
- rod
- rotating
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- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- 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
- B24B5/40—Single-purpose machines or devices for grinding tubes internally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a small stainless steel pipe fitting polishing device which comprises a shell, wherein a baffle is arranged on one side of the shell, a first rotating block is arranged on one side of the baffle and positioned in the shell, a first driving motor is arranged on one side of the first rotating block and far away from the baffle, a first driving shaft is arranged on one side of the first driving motor and far away from the first rotating block, a polishing device is arranged on one side of the first driving shaft and far away from the first driving motor, a fixing rod is arranged on one side of the baffle and far away from the shell, and a plurality of control buttons are arranged on one side of the fixing rod and far away from the baffle. Has the advantages that: reasonable in design, convenient to use compares in pipe fitting grinding device, not only makes it can polish to the pipe fitting of different pipe diameters, but also can polish to the pipe fitting depths to its whole effect of polishing has been improved effectively.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a small stainless steel pipe fitting polishing device.
Background
The stainless steel pipe fitting has the characteristics of good mechanical property, corrosion resistance and the like, and is widely applied to the fields of aerospace, oceans, nuclear energy, medical instruments, petrifaction and the like, the aluminum pipe has good corrosion resistance and is mainly used for fluid conveying pipelines of high-end products, because the roughness of the inner wall of the stainless steel pipe fitting is reduced, the resistance of the inner wall to fluid and the adsorption effect of materials on the inner wall can be reduced by removing rust, the treatment on the inner wall of the stainless steel pipe fitting is vital, the existing method for reducing the roughness of the inner wall of the stainless steel pipe fitting and removing the rust mainly adopts a mechanical polishing mode, a polishing rod mainly extends into the pipe wall, the polishing rod is driven to rotate by hand or a motor to remove rust, the mode can not polish according to stainless steel with different pipe diameters, a certain fine places can not be polished in place, the operation is inconvenient, time and labor are wasted, and the existing stainless steel inner pipe polishing device, unable flexible pipe fitting depths, the whole effect of polishing of device is poor.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a small stainless steel pipe polishing device to overcome the technical problems in the prior related art.
The technical scheme of the invention is realized as follows:
a small stainless steel pipe polishing device comprises a shell, a baffle is arranged on one side of the shell, a first rotating block is arranged on one side of the baffle and positioned in the shell, a first driving motor is arranged on one side of the first rotating block and far away from the baffle, the first driving motor is fixed on the first rotating block through a fixing frame, a first driving shaft is arranged on one side of the first driving motor and far away from the first rotating block, a polishing device is arranged on one side of the first driving shaft and far away from the first driving motor, a fixing rod is arranged on one side of the baffle and far away from the shell, a plurality of control buttons are arranged on one side of the fixing rod and far away from the baffle, a protective cover is arranged on the outer side of each control button, and a second driving motor is arranged on one side of the inner part of each fixing rod, one side of second driving motor is provided with the second drive shaft, one side of second drive shaft just keeps away from one side of second driving motor is provided with the second turning block, one side of second turning block just keeps away from one side of second drive shaft is provided with the swivel nut, the inside of swivel nut is provided with first screw rod with it matched with, one side of first screw rod just keeps away from one side of swivel nut runs through the baffle and with one side fixed connection of first turning block.
Further, the polishing device comprises a rotating rod, a plurality of first fixed blocks are arranged on the outer side of one end of the rotating rod, first connecting rods are arranged on the first fixed blocks, the first connecting rods are movably connected with the first fixed blocks, one ends of the first connecting rods are far away from the first fixed blocks and are movably connected with second fixed blocks, polishing plates are arranged on one ends of the second fixed blocks and far away from the first connecting rods, a plurality of polishing blocks are arranged on one sides of the polishing plates and far away from the second fixed blocks, a plurality of third fixed blocks are arranged on the outer side of the other end of the rotating rod, second connecting rods are arranged on the third fixed blocks and are movably connected with the third fixed blocks, one ends of the second connecting rods and far away from the third fixed blocks are movably connected with fourth fixed blocks, just the fourth fixed block all with one side of board of polishing just keeps away from one side fixed connection of second fixed block, one side of board of polishing is provided with the fifth fixed block, just the fifth fixed block is located one side of fourth fixed block, the one end of fifth fixed block just keeps away from the one end of board of polishing all with third connecting rod swing joint, the one end of third connecting rod just keeps away from the one end of fifth fixed block all with sixth fixed block swing joint, the one end of dwang is provided with the second screw rod, be provided with matched with movable block with it on the second screw rod, just the middle part of movable block is around being equipped with the recess, be provided with the ring on the recess, just the ring with sixth fixed block fixed connection.
Further, the one end of second screw rod just is kept away from the one end of dwang is provided with the spacing ring, be provided with a plurality of regulation hole on the movable block, just the regulation hole is the hexagon structure.
Furthermore, the first driving shaft is fixedly connected with the rotating rod through a first connecting block.
Furthermore, a plurality of fixing devices are arranged on the inner wall of the shell.
Further, fixing device includes the second connecting block, just the one end of second connecting block all with the inner wall fixed connection of shell, the bottom of second connecting block is provided with electric telescopic handle, electric telescopic handle's one end just keeps away from the one end of second connecting block all is provided with the sucking disc.
Furthermore, a pipe fitting is arranged between the suckers.
Furthermore, a plurality of groups of sliding grooves are formed in the inner wall of the fixing rod, supporting rods are arranged in the sliding grooves and are fixedly connected with the thread sleeves.
The invention has the beneficial effects that: the pipe fitting is inserted between the shell and the polishing device, the movable block drives the circular ring to move leftwards under the action of the wrench and the adjusting hole, so that the sixth fixed block drives the third connecting rod to move upwards, and meanwhile, the polishing plate is moved upwards under the action of the first fixed block, the first connecting rod, the second fixed block, the third fixed block, the second connecting rod, the fourth fixed block and the fifth fixed block, so that the polishing block is contacted with the inner wall of the pipe fitting; the control switch of the second driving motor is turned on, so that the second driving shaft drives the second rotating block to rotate, the screw sleeve drives the first screw rod to move rightwards under the action of the threads, and the first rotating block drives the first driving motor to move rightwards, so that the polishing device can enter the deep part of the pipe fitting to polish; the pipe fitting polishing device is reasonable in design and convenient to use, and compared with a pipe fitting polishing device, the pipe fitting polishing device can polish pipe fittings with different pipe diameters and can polish the depths of the pipe fittings, so that the overall polishing effect is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a small stainless steel pipe polishing device according to an embodiment of the invention;
FIG. 2 is a schematic installation diagram of a small stainless steel pipe polishing device according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a polishing device in a small stainless steel pipe polishing device according to an embodiment of the invention;
fig. 4 is a side view of a polishing device in a small stainless steel pipe polishing device according to an embodiment of the present invention.
In the figure:
1. a housing; 2. a baffle plate; 3. a first rotating block; 4. a first drive motor; 5. a fixed mount; 6. a first drive shaft; 7. a polishing device; 8. a fixing device; 9. a second connecting block; 10. an electric telescopic rod; 11. a suction cup; 12. fixing the rod; 13. a chute; 14. a control button; 15. a protective cover; 16. a second drive motor; 17. a second drive shaft; 18. a second turning block; 19. a threaded sleeve; 20. a first screw; 21. a pipe fitting; 22. rotating the rod; 23. a first fixed block; 24. a first connecting rod; 25. a second fixed block; 26. grinding the plate; 27. grinding blocks; 28. a third fixed block; 29. a second connecting rod; 30. a fourth fixed block; 31. a fifth fixed block; 32. a third connecting rod; 33. a sixth fixed block; 34. a second screw; 35. a movable block; 36. a groove; 37. a circular ring; 38. a limiting ring; 39. an adjustment hole; 40. a first connection block; 41. a support rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
According to an embodiment of the invention, a small stainless steel pipe polishing device is provided.
As shown in fig. 1-4, a small-sized stainless steel pipe polishing device according to an embodiment of the present invention includes a housing 1, a baffle 2 is disposed on one side of the housing 1, a first rotating block 3 is disposed on one side of the baffle 2 and inside the housing 1, a first driving motor 4 is disposed on one side of the first rotating block 3 and on one side far from the baffle 2, the first driving motor 4 is fixed on the first rotating block 3 through a fixing frame 5, a first driving shaft 6 is disposed on one side of the first driving motor 4 and on one side far from the first rotating block 3, a polishing device 7 is disposed on one side of the first driving shaft 6 and on one side far from the first driving motor 4, a fixing rod 12 is disposed on one side of the baffle 2 and on one side far from the housing 1, a plurality of control buttons 14 are disposed on one side of the fixing rod 12 and on one side far from the baffle 2, the outside of control button 14 is provided with visor 15, inside one side of dead lever 12 is provided with second driving motor 16, one side of second driving motor 16 is provided with second drive shaft 17, one side of second drive shaft 17 just keeps away from one side of second driving motor 16 is provided with second turning block 18, one side of second turning block 18 just keeps away from one side of second drive shaft 17 is provided with swivel nut 19, the inside of swivel nut 19 is provided with first screw rod 20 of matched with it, one side of first screw rod 20 just keeps away from one side of swivel nut 19 runs through baffle 2 and with one side fixed connection of first turning block 3.
By means of the technical scheme, the polishing device 7 is arranged, and the control switch of the first driving motor 4 is turned on, so that the first driving shaft 6 drives the first connecting block 40 to rotate, the polishing device 7 is driven to rotate, and the inner wall of the workpiece is polished; by turning on a control switch of the second driving motor 16, the second driving shaft 17 drives the second rotating block 18 to rotate, so that the threaded sleeve 19 drives the first screw rod 20 to move rightwards under the action of the threads, and the first rotating block 3 drives the first driving motor 4 to move rightwards, so that the grinding device 7 can enter the deep part of the workpiece to grind; the pipe fitting polishing device is reasonable in design and convenient to use, and compared with a pipe fitting polishing device, the pipe fitting polishing device can polish pipe fittings with different pipe diameters and can polish the depths of the pipe fittings, so that the overall polishing effect is effectively improved.
In addition, the grinding device 7 comprises a rotating rod 22, a plurality of first fixing blocks 23 are arranged on the outer side of one end of the rotating rod 22, first connecting rods 24 are arranged on the first fixing blocks 23, the first connecting rods 24 are movably connected with the first fixing blocks 23, one ends of the first connecting rods 24 are far away from the first fixing blocks 23 and are movably connected with second fixing blocks 25, one ends of the second fixing blocks 25 are far away from the first connecting rods 24 and are provided with grinding plates 26, one sides of the grinding plates 26 are far away from the second fixing blocks 25 and are provided with a plurality of grinding blocks 27, a plurality of third fixing blocks 28 are arranged on the outer side of the other end of the rotating rod 22, second connecting rods 29 are arranged on the third fixing blocks 28, and the second connecting rods 29 are movably connected with the third fixing blocks 28, the one end of second connecting rod 29 just keeps away from the one end of third fixed block 28 all with fourth fixed block 30 swing joint, just fourth fixed block 30 all with one side of board of polishing 26 just keeps away from one side fixed connection of second fixed block 25, one side of board of polishing 26 is provided with fifth fixed block 31, just fifth fixed block 31 is located one side of fourth fixed block 30, the one end of fifth fixed block 31 just keeps away from the one end of board of polishing 26 all with third connecting rod 32 swing joint, the one end of third connecting rod 32 just keeps away from the one end of fifth fixed block 31 all with sixth fixed block 33 swing joint, the one end of dwang 22 is provided with second screw rod 34, be provided with matched with movable block 35 with it on second screw rod 34, just the middle part of movable block 35 is around being equipped with recess 36, be provided with ring 37 on the recess 36, and the circular ring 37 is fixedly connected with the sixth fixed block 33, a limit ring 38 is arranged at one end of the second screw rod 34 and the end far away from the rotating rod 22, a plurality of adjusting holes 39 are arranged on the movable block 35, the adjusting holes 39 are all hexagonal structures, the first driving shaft 6 is fixedly connected with the rotating rod 22 through a first connecting block 40, and through the matching use of a wrench and the adjusting holes 39, so that the movable block 35 drives the circular ring 37 to move leftward, and the sixth fixed block 33 drives the third connecting rod 32 to move upward, and simultaneously the grinding plate 26 is moved upwards by the first fixing block 23, the first connecting rod 24, the second fixing block 25, the third fixing block 28, the second connecting rod 29, the fourth fixing block 30 and the fifth fixing block 31, so that the grinding block 27 is contacted with the inner wall of the pipe 21, thereby realizing the processing of the pipe with different pipe diameters; the inner wall of the shell 1 is provided with a plurality of fixing devices 8, each fixing device 8 comprises a second connecting block 9, one end of each second connecting block 9 is fixedly connected with the inner wall of the shell 1, the bottom of each second connecting block 9 is provided with an electric telescopic rod 10, one end of each electric telescopic rod 10, which is far away from the second connecting block 9, is provided with a sucker 11, a pipe 21 is arranged between the suckers 11, and the second connecting blocks 9, the electric telescopic rods 10 and the suckers 11 are matched for use, so that the pipe 21 in the shell 1 can be effectively fixed, and the stability of the pipe is effectively guaranteed; be provided with a plurality of groups spout 13 on the inner wall of dead lever 12, all be provided with bracing piece 41 in the spout 13, just bracing piece 41 all with swivel nut 19 fixed connection uses through the cooperation of spout 13 and bracing piece 41 to make it can play fine supporting effect to swivel nut 19, thereby provide assurance effectively for its normal operating.
In conclusion, with the above-mentioned solution of the present invention, by inserting the pipe 21 between the housing 1 and the polishing device 7, the movable block 35 drives the circular ring 37 to move leftwards under the action of the wrench and the adjusting hole 39, so that the sixth fixing block 33 drives the third connecting rod 32 to move upwards, and at the same time, the grinding plate 26 moves upwards under the action of the first fixing block 23, the first connecting rod 24, the second fixing block 25, the third fixing block 28, the second connecting rod 29, the fourth fixing block 30 and the fifth fixing block 31, so that the sanding block 27 comes into contact with the inner wall of the pipe 21, at which time, the control switch of the first driving motor 4 is turned on, so that the first driving shaft 6 drives the first connecting block 40 to rotate, and the rotating rod 22 drives the first connecting rod 24, the second connecting rod 29 and the third connecting rod 32 to rotate, so that the polishing plate 26 drives the polishing block 27 to polish the inner wall of the pipe 21; by turning on a control switch of the second driving motor 16, the second driving shaft 17 drives the second rotating block 18 to rotate, so that the threaded sleeve 19 drives the first screw rod 20 to move rightwards under the action of the threads, and the first rotating block 3 drives the first driving motor 4 to move rightwards, so that the grinding device 7 can enter the deep part of the pipe fitting 21 to grind; the pipe fitting polishing device is reasonable in design and convenient to use, and compared with a pipe fitting polishing device, the pipe fitting polishing device can polish pipe fittings with different pipe diameters and can polish the depths of the pipe fittings, so that the overall polishing effect is effectively improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A small stainless steel pipe polishing device is characterized by comprising a shell (1), a baffle (2) is arranged on one side of the shell (1), a first rotating block (3) is arranged on one side of the baffle (2) and located in the shell (1), a first driving motor (4) is arranged on one side of the first rotating block (3) and far away from the baffle (2), the first driving motor (4) is fixed on the first rotating block (3) through a fixing frame (5), a first driving shaft (6) is arranged on one side of the first driving motor (4) and far away from the first rotating block (3), a polishing device (7) is arranged on one side of the first driving shaft (6) and far away from the first driving motor (4), a fixing rod (12) is arranged on one side of the baffle (2) and far away from the shell (1), one side of the fixing rod (12) and one side far away from the baffle (2) are provided with a plurality of control buttons (14), the outer side of each control button (14) is provided with a protective cover (15), one side of the inside of the fixing rod (12) is provided with a second driving motor (16), one side of the second driving motor (16) is provided with a second driving shaft (17), one side of the second driving shaft (17) and one side far away from the second driving motor (16) are provided with a second rotating block (18), one side of the second rotating block (18) and one side far away from the second driving shaft (17) are provided with a threaded sleeve (19), the inside of the threaded sleeve (19) is provided with a first screw rod (20) matched with the threaded sleeve, one side of the first screw rod (20) and one side far away from the threaded sleeve (19) penetrate through the baffle (2) and are fixedly connected with one side of the first rotating block (3), the grinding device (7) comprises a rotating rod (22), a plurality of first fixing blocks (23) are arranged on the outer side of one end of the rotating rod (22), a first connecting rod (24) is arranged on each first fixing block (23), each first connecting rod (24) is movably connected with the corresponding first fixing block (23), a grinding plate (26) is arranged at one end of each first connecting rod (24) and one end of each first fixing block (23) far away from each first fixing block (25) and one end of each second fixing block (25) far away from each first connecting rod (24), a plurality of grinding blocks (27) are arranged at one side of each grinding plate (26) and one side of each second fixing block (25) far away from each second fixing block, a plurality of third fixing blocks (28) are arranged on the outer side of the other end of the rotating rod (22), and second connecting rods (29) are arranged on the third fixing blocks (28), and the second connecting rod (29) and the third fixed block (28) are movably connected, one end of the second connecting rod (29) is far away from the third fixed block (28) and is movably connected with a fourth fixed block (30), the fourth fixed block (30) is fixedly connected with one side of the polishing plate (26) and is far away from one side of the second fixed block (25), one side of the polishing plate (26) is provided with a fifth fixed block (31), the fifth fixed block (31) is positioned at one side of the fourth fixed block (30), one end of the fifth fixed block (31) is far away from the one end of the polishing plate (26) and is movably connected with a third connecting rod (32), one end of the third connecting rod (32) is far away from the one end of the fifth fixed block (31) and is movably connected with a sixth rotating rod (33), one end of the fifth fixed block (22) is provided with a second screw rod (34), be provided with matched with movable block (35) with it on second screw rod (34), just the middle part of movable block (35) is around being provided with recess (36), be provided with ring (37) on recess (36), just ring (37) with sixth fixed block (33) fixed connection, be provided with a plurality of fixing device (8) on the inner wall of shell (1), fixing device (8) include second connecting block (9), just the one end of second connecting block (9) all with the inner wall fixed connection of shell (1), the bottom of second connecting block (9) is provided with electric telescopic handle (10), the one end of electric telescopic handle (10) just keeps away from the one end of second connecting block (9) all is provided with sucking disc (11), be provided with pipe fitting (21) between sucking disc (11).
2. The small stainless steel pipe polishing device according to claim 1, wherein a limiting ring (38) is arranged at one end of the second screw (34) and the end far away from the rotating rod (22), a plurality of adjusting holes (39) are formed in the movable block (35), and the adjusting holes (39) are all of a hexagonal structure.
3. A small-sized stainless steel pipe grinding device according to claim 1, wherein the first driving shaft (6) is fixedly connected with the rotating rod (22) through a first connecting block (40).
4. The small stainless steel pipe polishing device according to claim 1, wherein a plurality of sets of sliding grooves (13) are formed in the inner wall of the fixing rod (12), supporting rods (41) are arranged in the sliding grooves (13), and the supporting rods (41) are fixedly connected with the threaded sleeves (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219976.2A CN109093474B (en) | 2018-10-19 | 2018-10-19 | Small-size stainless steel pipe fitting grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219976.2A CN109093474B (en) | 2018-10-19 | 2018-10-19 | Small-size stainless steel pipe fitting grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109093474A CN109093474A (en) | 2018-12-28 |
| CN109093474B true CN109093474B (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811219976.2A Expired - Fee Related CN109093474B (en) | 2018-10-19 | 2018-10-19 | Small-size stainless steel pipe fitting grinding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109093474B (en) |
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| CN109571177A (en) * | 2019-01-26 | 2019-04-05 | 曾子哲 | A kind of capacitor case aperture burr remover |
| CN110370142A (en) * | 2019-07-12 | 2019-10-25 | 焦新建 | A kind of hydraulic engineering pipeline derusting device |
| CN110253402A (en) * | 2019-07-27 | 2019-09-20 | 陈烁 | The polishing rust-removal device of long range round tube handware inner wall |
| CN110405569B (en) * | 2019-08-09 | 2020-08-04 | 山东博通铝业有限公司 | Device capable of removing burrs in inner cavities of aluminum pipes with different diameters |
| CN110842748B (en) * | 2019-11-22 | 2020-11-27 | 宁波汇恒源螺杆轴业有限公司 | Circular pipe inner wall polishing device and polishing process thereof |
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| CN111283490A (en) * | 2020-03-31 | 2020-06-16 | 谢星 | Automobile pipe fitting inner wall grinding device |
| CN111390657B (en) * | 2020-04-18 | 2023-05-16 | 无锡易通精密机械股份有限公司 | Inner ring and outer ring polishing equipment and polishing process for bearing ring |
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| CN111843784A (en) * | 2020-07-31 | 2020-10-30 | 广州市欧树环保科技有限公司 | Polishing equipment for inner wall of steel pipe |
| CN112238375A (en) * | 2020-09-22 | 2021-01-19 | 衡阳市畅通管业有限公司 | A pipeline port cleaning device for cement pipeline production line |
| CN112605178B (en) * | 2020-11-30 | 2021-11-05 | 常熟市欧迪管业有限公司 | Be used for titanium pipe wall correcting unit |
| CN113664659B (en) * | 2021-09-06 | 2023-01-13 | 广东电网有限责任公司 | Isolator grinding device |
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| US4327526A (en) * | 1980-06-23 | 1982-05-04 | Combustion Engineering, Inc. | Apparatus for grinding the internal walls of pipes |
| US5899795A (en) * | 1996-12-19 | 1999-05-04 | Penza; G. Gregory | Multi-function pipeline weld removal apparatus |
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| CN206500945U (en) * | 2017-02-15 | 2017-09-19 | 雄县爱民塑胶有限公司 | A kind of telescopic inboard wall of tube body sander |
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|---|---|
| CN109093474A (en) | 2018-12-28 |
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