CN110170888B - Magnetic particle grinding device and method for efficiently polishing inner surface of pipe - Google Patents
Magnetic particle grinding device and method for efficiently polishing inner surface of pipe Download PDFInfo
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- CN110170888B CN110170888B CN201910614807.7A CN201910614807A CN110170888B CN 110170888 B CN110170888 B CN 110170888B CN 201910614807 A CN201910614807 A CN 201910614807A CN 110170888 B CN110170888 B CN 110170888B
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
- B24B31/112—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using magnetically consolidated grinding powder, moved relatively to the workpiece under the influence of pressure
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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
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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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 relates to a magnetic particle grinding device and a method for efficiently polishing the inner surface of a pipe, wherein the magnetic particle grinding device comprises a driving mechanism, a feeding mechanism and a magnetic field generating mechanism, the driving mechanism drives a pipe part to rotate, and the feeding mechanism drives the magnetic field generating mechanism to axially move along the pipe part; the magnetic field generating mechanism forms a magnetic field, and the magnetic abrasive particles are adsorbed to be distributed along magnetic lines of force and are gathered into a magnetic particle brush with rigidity; the connecting frame is fixedly connected with the large belt wheel through a set screw, the connecting frame is composed of two semicircular annular structures, gears are fixed at two ends of each semicircular structure, the two semicircular annular structures are meshed with each other, the adjusting knob is fixedly connected with the gear of one semicircular annular structure, and the magnetic pole frame is fixed at one end and the middle vertex of each semicircular annular structure; the magnetic poles are mounted on the pole frame. The advantages are that: the polishing machine can be used for efficiently grinding and polishing pipe parts with defects such as scratches, pits, wrinkles, microcracks and the like on the surfaces.
Description
Technical Field
The invention belongs to the technical field of precision machining and special machining, and particularly relates to a magnetic particle grinding device and method for efficiently polishing the inner surface of a pipe.
Background
With the great development of high-precision manufacturing industries such as electronic products, precise instruments, aerospace and the like in China, the demand of pipe products is greatly increased, and the surface morphology of pipe parts directly influences the quality of final products. The surface of most pipe parts is limited by the processing technology, and the surface of most pipe parts has defects such as scratches, pits, wrinkles, microcracks and the like, so that the service life of the pipe parts is influenced, and hidden dangers are easily caused. Such as: the hydraulic guide pipe in the hydraulic pipeline system of the aeroengine has defects on the inner surface of the hydraulic guide pipe due to a cold bending process, and the non-uniformity of pressure load distribution at the bending position can aggravate stress concentration at the bending pipe, so that the hydraulic guide pipe is one of main sources for causing failure and even causing fatigue fracture of the hydraulic guide pipe. The magnetic particle grinding and finishing processing technology can solve the problem, and the traditional magnetic particle grinding and finishing processing technology has high working strength of workers and low processing efficiency.
Chinese patent CN108972160a discloses a device and method for grinding magnetic particles on the inner and outer surfaces of a complex axis bent pipe, in which two sets of magnetic poles are arranged in pairs on the same plane, and the range of magnetic lines of force generated by each set of magnetic poles passing through the pipe is smaller, so that the acting area of magnetic grinding particles on the pipe is smaller, the grinding efficiency is low, and the grinding track is single.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a magnetic particle grinding device and a magnetic particle grinding method for efficiently polishing the inner surface of a pipe, so that the grinding efficiency of pipe parts is improved, and the use stability and the smoothness of the parts are effectively improved.
In order to achieve the above purpose, the present invention is realized by the following technical scheme:
the magnetic particle grinding device for efficiently polishing the inner surface of the pipe comprises a driving mechanism, a feeding mechanism and a magnetic field generating mechanism, wherein the driving mechanism drives the pipe part to rotate, and the feeding mechanism drives the magnetic field generating mechanism to axially move along the pipe part; the magnetic field generating mechanism forms a magnetic field, and the magnetic abrasive particles are adsorbed to be distributed along magnetic lines of force and are gathered into a magnetic particle brush with rigidity;
the magnetic field generating mechanism comprises a first flange plate, a second flange plate, a large belt pulley supporting plate, a belt, a small belt pulley supporting plate, a grinding motor, a speed reducer, a transmission shaft, a connecting frame, a magnetic pole frame and a magnetic pole;
the first flange plate, the large belt pulley supporting plate, the small belt pulley supporting plate and the second flange plate are sequentially connected from top to bottom to form a magnetic field generating mechanism structure frame; the large belt pulley and the small belt pulley are respectively arranged on the large belt pulley supporting plate and the small belt pulley supporting plate, the large belt pulley is connected with the small belt pulley through a belt, the grinding motor is connected with the speed reducer, and torque is transmitted to the small belt pulley through a transmission shaft;
the connecting frame is fixedly connected with the large belt wheel through a set screw, the connecting frame is composed of two semicircular annular structures, gears are fixed at two ends of each semicircular structure, the two semicircular annular structures are meshed with each other, the adjusting knob is fixedly connected with the gear of one semicircular annular structure, and the magnetic pole frame is fixed at one end and the middle vertex of each semicircular annular structure; the magnetic poles are mounted on the pole frame.
The driving mechanism comprises a rotary motor, a driving wheel, a driven wheel, a transmission belt, a connecting shaft, a base, a three-jaw chuck, a base and a tailstock; the rotary motor is fixed on the base, the rotary motor is connected with the driving wheel, the driving belt is connected on the driving wheel and the driven wheel, and the driven wheel is connected with the three-jaw chuck through the connecting shaft; the base is fixed with a tailstock which is arranged opposite to the three-jaw chuck.
The feeding mechanism comprises a feeding motor, a coupler, a guide post, a workbench, a screw rod and a screw rod nut, wherein the guide post is fixed on the driving mechanism, the workbench is in sliding connection with the guide post, the feeding motor is connected with the screw rod through the coupler, and the screw rod is in threaded connection with the screw rod nut; the workbench is fixedly connected with the screw rod nut; the guide post is arranged below the three-jaw chuck, and the workbench is connected with the magnetic field generating mechanism through a second flange plate.
The magnetic grinding particles consist of an iron-based phase and a grinding phase, and are mixed with water-based grinding liquid and then placed on the surface to be processed.
The magnetic field generating mechanism is connected with the manipulator through a first flange plate.
A method for efficiently polishing an inner surface of a tube, comprising the steps of:
1) The pipe part passes through the connecting frame, and the pipe part to be processed is fixed by utilizing the three-jaw chuck and the tailstock;
2) Uniformly mixing magnetic grinding particles with water-based grinding liquid, then placing the mixture in a pipe part to be processed, and adjusting the position of a workbench on a guide post so as to adjust the position of a magnetic pole to attract the magnetic grinding particles and form a magnetic particle brush in a region to be processed;
3) The angle between the two semicircular structures is adjusted through the adjusting knob, so that the arrangement position of the magnetic poles on the magnetic pole frame along the pipe parts is adjusted, and the arrangement condition of the magnetic particle brushes on the surface to be processed is changed;
4) Starting a rotary motor, and enabling the three-jaw chuck to drive the pipe parts to rotate;
5) Starting a grinding motor to enable the magnetic pole to rotate around the pipe part;
6) Starting a feeding motor to drive the workbench to reciprocate along the guide post, and enabling the magnetic poles to axially move along the pipe parts so as to grind and polish the inner surfaces of the pipe parts.
The rotating direction of the pipe part is opposite to the rotating direction of the magnetic pole.
Compared with the prior art, the invention has the beneficial effects that:
the magnetic particle grinding device for efficiently polishing the inner surface of the pipe can be used for efficiently grinding and polishing pipe parts with defects such as scratches, pits, wrinkles, microcracks and the like on the surface. Compared with the existing grinding and polishing device, the device adopts two semicircular structures, and the angles among the two semicircular structures can be adjusted, so that the magnetic poles are not located on the same plane any more. The magnetic particle brush is not in a state of being perpendicular to the axis of the pipe part, but forms spiral lines which are mutually intersected to form a certain angle. The contact area of the magnetic particle brush and the pipe parts is increased, and the grinding track is more complex, so that the grinding efficiency can be greatly improved, the grinding processing track is improved, and the grinding and polishing are more uniform and sufficient. The invention is not only suitable for grinding and polishing straight pipe parts, but also is suitable for bent pipe parts, wherein the magnetic field generating mechanism can utilize the cooperation of the flange plate and the mechanical arm to realize grinding and polishing of the bent pipe parts.
Drawings
FIG. 1 is a schematic structural view of a magnetic particle grinding device for efficiently polishing the inner surface of a tube.
FIG. 2 is a schematic bottom view of a magnetic particle grinding apparatus for efficiently polishing the inner surface of a tube.
Fig. 3 is a schematic structural view of the magnetic field generating mechanism.
Fig. 4 is a front view of the magnetic field generating mechanism.
Fig. 5 is a schematic diagram illustrating the operation of a conventional polishing apparatus.
Fig. 6 is a diagram of the operation of the present invention.
Fig. 7 is a schematic diagram of an adjustment knob controlling the opening and closing of the pole frame.
In the figure: the magnetic field generator comprises a rotary motor 2, a driving wheel 3, a driven wheel 4, a driving belt 5, a connecting shaft 6, a three-jaw chuck 7, a magnetic field generating mechanism 8, a pipe part 9, a rotary center 10, a locking button 11, a positioning block 12, a coupler 13, a feeding motor 14, a supporting plate 15, a base 16, a guide post 17, a workbench 18, a screw rod 19, a screw nut 20, a base 21, a large belt wheel 22, a large belt wheel supporting plate 23, a belt 24, a small belt wheel supporting plate 25, a transmission shaft 26, a small belt wheel 27, a flange plate two 28, a magnetic pole frame 29, a connecting frame 30, an adjusting knob 31, a magnetic pole 32, a speed reducer 33, a grinding motor 34, a flange plate one 35, magnetic grinding particles 36, an iron-based phase 37 and a grinding phase.
Detailed Description
The present invention will be described in detail below with reference to the drawings of the specification, but it should be noted that the practice of the present invention is not limited to the following embodiments.
Referring to fig. 1 and 2, a magnetic particle grinding device for efficiently polishing the inner surface of a tube comprises a driving mechanism, a feeding mechanism and a magnetic field generating mechanism 7, wherein the driving mechanism drives a tube part 8 to rotate, and the feeding mechanism drives the magnetic field generating mechanism 7 to axially move along the tube part 8; the magnetic field generating means 7 forms a magnetic field, and the attracting magnetic abrasive particles 35 are arranged along the magnetic lines of force and are collected to form a magnetic particle brush with rigidity.
Referring to fig. 3, 4 and 7, the magnetic field generating mechanism 7 includes a first flange 34, a second flange 27, a large pulley 21, a large pulley support plate 22, a belt 23, a small pulley 26, a small pulley support plate 24, a grinding motor 33, a decelerator 32, a transmission shaft 25, a connecting frame 29, a magnetic pole frame 28, a magnetic pole 31 and an adjusting knob 30;
the first flange 34, the large belt pulley supporting plate 22, the small belt pulley supporting plate 24 and the second flange 27 are sequentially connected from top to bottom to form a structural frame of the magnetic field generating mechanism 7; the large belt pulley 21 and the small belt pulley 26 are respectively arranged on the large belt pulley supporting plate 22 and the small belt pulley supporting plate 24, the large belt pulley 21 and the small belt pulley 26 are connected through a belt 23, the grinding motor 33 is connected with the speed reducer 32, and torque is transmitted to the small belt pulley 26 through the transmission shaft 25;
the connecting frame 29 is fixedly connected with the large belt wheel 21 through a set screw, the connecting frame 29 is composed of two semicircular ring structures, the two semicircular ring structures are meshed, the adjusting knob 30 is fixedly connected with one of the semicircular ring structures, and the magnetic pole frame 28 is fixed at one end and the middle vertex of the semicircular ring structure; the magnetic pole 31 is mounted on the pole frame 28. When the opening and closing angles of the two semicircular structures are required to be adjusted, the set screw is slightly loosened, the adjusting knob 30 is rotated to drive the semicircular structures to rotate, the opening and closing angles of the connecting frame 29 are adjusted, and the set screw is screwed after adjustment, so that the connecting frame 29 is fixed.
The driving mechanism comprises a rotary motor 1, a driving wheel 2, a driven wheel 3, a driving belt 4, a connecting shaft 5, a base 20, a three-jaw chuck 6, a base 15 and a tailstock; the rotary motor 1 is fixed on the base 20, the rotary motor 1 is connected with the driving wheel 2, the driving belt 4 is connected to the driving wheel 2 and the driven wheel, and the driven wheel 3 is connected with the three-jaw chuck 6 through the connecting shaft 5; a tailstock is fixed on the base 15 and is arranged opposite to the three-jaw chuck 6. The support plate 14 is mounted on the base 15, and the feed motor 13 is mounted on the support plate 14.
The tailstock structure is similar to the tailstock of a machine tool, the tailstock comprises a rotating center 9, a positioning block 11 and a locking structure, the rotating center 9 is arranged on the positioning block 11, the positioning block 11 is arranged on a guide column 16, and a locking button 10 is arranged on the positioning block 11 and can fix the position of the locking button on the guide column 16. The three-jaw chuck 6 and the rotary center 9 are used for fixing the pipe part 8.
The feeding mechanism comprises a feeding motor 13, a coupling 12, a guide post 16, a workbench 17, a screw rod 18 and a screw rod nut 19, wherein one end of the guide post 16 is connected with a base 20, and the other end is connected with a base 15; the workbench 17 is in sliding connection with the guide post 16, the feed motor 13 is connected with the screw rod 18 through the coupler 12, and the screw rod 18 is in threaded connection with the screw rod nut 19; the workbench 17 is fixedly connected with a screw nut 19; the guide post 16 is arranged below the three-jaw chuck 6, and the workbench 17 is connected with the magnetic field generating mechanism 7 through a flange plate II 27. The feed motor 13 drives the screw rod 18 to rotate, and drives the screw rod nut 19 to move on the screw rod 18, so that the workbench 17 moves along the axis direction of the screw rod 18.
The magnetic abrasive particles 35 are composed of an iron-based phase 36 and an abrasive phase 37, and the magnetic abrasive particles 35 are mixed with a water-based abrasive liquid and then placed on the surface to be processed.
Referring to fig. 5 and 6, the conventional polishing apparatus is compared with the polishing apparatus of the present invention, in which the polishing area is increased and the track is more complicated. The magnetic grinding particles 35 adopted by the invention consist of an iron-based phase 36 and a grinding phase 37, and after the magnetic grinding particles 35 are mixed with the water-based grinding liquid, a magnetic particle brush is formed under the action of a magnetic field generated by each group of magnetic poles 31.
The magnetic field generating mechanism 7 is connected with the manipulator through a first flange 34.
Referring to fig. 1-7, a method for efficiently polishing an inner surface of a tube comprises the steps of:
1) The pipe part 8 passes through the connecting frame 29, and the pipe part 8 to be processed is fixed by utilizing the three-jaw chuck 6 and the tailstock;
2) Uniformly mixing magnetic grinding particles 35 with water-based grinding fluid, then placing the mixture in a pipe part 8 to be processed, and adjusting the position of a workbench 17 on a guide post 16 so as to adjust the position of a magnetic pole 31 to attract the magnetic grinding particles 35 and form a magnetic particle brush in a region to be processed, thereby realizing micro grinding of the inner surface of the pipe part 8 by grinding relative 37 on the magnetic grinding particles 35;
3) The angle between the semicircular ring structures of the connecting frame 29 is adjusted through the adjusting knob 30, so that the arrangement position of the magnetic poles 31 on the magnetic pole frame 28 along the pipe part 8 is adjusted, and the arrangement condition of the magnetic particle brushes on the surface to be processed is changed;
4) Starting a rotary motor 1, and sequentially transmitting power to a driving wheel 2, a driving belt 4, a driven wheel 3, a connecting shaft 5 and a three-jaw chuck 6 by the rotary motor 1, wherein the three-jaw chuck 6 drives a pipe part 8 to rotate;
5) Starting the grinding motor 33 to sequentially transmit power to the speed reducer 32, the transmission shaft 25, the small belt pulley 26, the belt 23, the large belt pulley 21, the connecting frame 29, the magnetic pole frame 28 and the magnetic pole 31, so that the magnetic pole 31 rotates around the pipe part 8, and the magnetic pole 31 rotates around the pipe part 8; in fig. 3, the paired magnetic poles 31 of two semicircular ring structures rotate around the pipe-like member 8.
6) The feeding motor 13 is started to drive the workbench 17 to reciprocate along the guide post 16, and the magnetic pole 31 axially moves along the pipe part 8, so that the inner surface of the pipe part 8 is ground and polished. The feed motor 13 rotates positively, and the screw nut 19 on the screw rod 18 is driven to move through the coupler 12, so that the workbench 17 is driven to move, the magnetic pole 31 is ensured to move axially along the pipe part 8, and the grinding and polishing effects on the inner surface of the pipe part 8 are realized. In order to prevent insufficient grinding, the feed motor 13 can be reversed during grinding and polishing, so that the magnetic pole 31 reciprocates along the axis of the pipe-like part 8, and the grinding and polishing are more uniform and thorough.
The rotation direction of the pipe part 8 is opposite to that of the magnetic pole 31, so that the grinding efficiency and the grinding effect are enhanced.
During grinding, the grinding motor 33 or the feed motor 13 may be activated, or both may be activated.
Each group of magnetic poles 31 of the traditional grinding device is perpendicular to the axis of the pipe part 8 to be processed, and the grinding track is single; according to the grinding device, each group of magnetic poles 31 and the axis of the pipe part 8 to be processed are intersected to form an adjustable certain angle, the grinding area is enlarged, the grinding track is complex, and the polishing effect of the pipe part 8 to be processed is enhanced.
Claims (4)
1. The magnetic particle grinding device for efficiently polishing the inner surface of the pipe is characterized by comprising a driving mechanism, a feeding mechanism and a magnetic field generating mechanism, wherein the driving mechanism drives the pipe part to rotate, and the feeding mechanism drives the magnetic field generating mechanism to axially move along the pipe part; the magnetic field generating mechanism forms a magnetic field, and the magnetic abrasive particles are adsorbed to be distributed along magnetic lines of force and are gathered into a magnetic particle brush with rigidity;
the magnetic field generating mechanism comprises a first flange plate, a second flange plate, a large belt pulley supporting plate, a belt, a small belt pulley supporting plate, a grinding motor, a speed reducer, a transmission shaft, a connecting frame, a magnetic pole frame and a magnetic pole;
the first flange plate, the large belt pulley supporting plate, the small belt pulley supporting plate and the second flange plate are sequentially connected from top to bottom to form a magnetic field generating mechanism structure frame; the large belt pulley and the small belt pulley are respectively arranged on the large belt pulley supporting plate and the small belt pulley supporting plate, the large belt pulley is connected with the small belt pulley through a belt, the grinding motor is connected with the speed reducer, and torque is transmitted to the small belt pulley through a transmission shaft;
the connecting frame is fixedly connected with the large belt wheel through a set screw, the connecting frame is composed of two semicircular annular structures, gears are fixed at two ends of each semicircular structure, the two semicircular annular structures are meshed with each other, the adjusting knob is fixedly connected with the gear of one semicircular annular structure, and the magnetic pole frame is fixed at one end and the middle vertex of each semicircular annular structure; the magnetic pole is arranged on the magnetic pole frame;
the driving mechanism comprises a rotary motor, a driving wheel, a driven wheel, a transmission belt, a connecting shaft, a base, a three-jaw chuck, a base and a tailstock; the rotary motor is fixed on the base, the rotary motor is connected with the driving wheel, the driving belt is connected on the driving wheel and the driven wheel, and the driven wheel is connected with the three-jaw chuck through the connecting shaft; a tailstock is fixed on the base, and the tailstock and the three-jaw chuck are arranged oppositely;
the feeding mechanism comprises a feeding motor, a coupler, a guide post, a workbench, a screw rod and a screw rod nut, wherein the guide post is fixed on the driving mechanism, the workbench is in sliding connection with the guide post, the feeding motor is connected with the screw rod through the coupler, and the screw rod is in threaded connection with the screw rod nut; the workbench is fixedly connected with the screw rod nut; the guide column is arranged below the three-jaw chuck, and the workbench is connected with the magnetic field generating mechanism through a second flange plate;
the magnetic grinding particles consist of an iron-based phase and a grinding phase, and are mixed with water-based grinding liquid and then placed on the surface to be processed.
2. The magnetic particle grinding device for efficiently polishing the inner surface of a tube according to claim 1, wherein the magnetic field generating mechanism is connected with the manipulator through a first flange.
3. A method for efficient polishing of an inner surface of a tube, achieved by the apparatus of claim 1, comprising the steps of:
1) The pipe part passes through the connecting frame, and the pipe part to be processed is fixed by utilizing the three-jaw chuck and the tailstock;
2) Uniformly mixing magnetic grinding particles with water-based grinding liquid, then placing the mixture in a pipe part to be processed, and adjusting the position of a workbench on a guide post so as to adjust the position of a magnetic pole to attract the magnetic grinding particles and form a magnetic particle brush in a region to be processed;
3) The angle between the two semicircular structures is adjusted through the adjusting knob, so that the arrangement position of the magnetic poles on the magnetic pole frame along the pipe parts is adjusted, and the arrangement condition of the magnetic particle brushes on the surface to be processed is changed;
4) Starting a rotary motor, and enabling the three-jaw chuck to drive the pipe parts to rotate;
5) Starting a grinding motor to enable the magnetic pole to rotate around the pipe part;
6) Starting a feeding motor to drive the workbench to reciprocate along the guide post, and enabling the magnetic poles to axially move along the pipe parts so as to grind and polish the inner surfaces of the pipe parts.
4. A method for efficiently polishing an inner surface of a pipe according to claim 3, wherein the rotation direction of the pipe-like member is opposite to the rotation direction of the magnetic pole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910614807.7A CN110170888B (en) | 2019-07-09 | 2019-07-09 | Magnetic particle grinding device and method for efficiently polishing inner surface of pipe |
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| CN201910614807.7A CN110170888B (en) | 2019-07-09 | 2019-07-09 | Magnetic particle grinding device and method for efficiently polishing inner surface of pipe |
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| CN110170888A CN110170888A (en) | 2019-08-27 |
| CN110170888B true CN110170888B (en) | 2023-05-26 |
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| CN201910614807.7A Active CN110170888B (en) | 2019-07-09 | 2019-07-09 | Magnetic particle grinding device and method for efficiently polishing inner surface of pipe |
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