CN210307016U - Magnetic particle grinding device for efficiently polishing inner surface of pipe - Google Patents
Magnetic particle grinding device for efficiently polishing inner surface of pipe Download PDFInfo
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- CN210307016U CN210307016U CN201921063681.0U CN201921063681U CN210307016U CN 210307016 U CN210307016 U CN 210307016U CN 201921063681 U CN201921063681 U CN 201921063681U CN 210307016 U CN210307016 U CN 210307016U
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Abstract
The utility model relates to a magnetic particle grinding device for efficiently polishing the inner surface of a pipe, which comprises a driving mechanism, a feeding mechanism and a magnetic field generating mechanism, wherein the driving mechanism drives pipe parts to rotate, and the feeding mechanism drives the magnetic field generating mechanism to axially move along the pipe parts; the magnetic field generating mechanism forms a magnetic field, and the adsorbed magnetic grinding particles are 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 and consists of two semicircular structures, gears are fixed at two ends of each semicircular structure, the two semicircular structures are mutually meshed, the adjusting knob is fixedly connected with the gear of one semicircular structure, and the magnetic pole frame is fixed at one end and the middle vertex of each semicircular structure; the magnetic pole is arranged on the magnetic pole frame. The advantages are that: the pipe part polishing machine can efficiently grind and polish pipe parts with the defects of scratches, pits, wrinkles, microcracks and the like on the surfaces.
Description
Technical Field
The utility model belongs to the technical field of precision finishing and special type processing, especially, relate to a magnetic particle grinder that is used for high-efficient polishing of pipe inner surface.
Background
With the rapid development of high-precision manufacturing industries such as electronic products, precision instruments, aerospace and the like in China, the demand of pipe products is greatly increased, and the surface appearance of pipe parts directly influences the quality of final products. Due to the limitation of the processing technology, the surfaces of most pipe parts have defects of scratches, pits, wrinkles, microcracks and the like, the service life of the pipe parts is influenced, and hidden dangers are easily caused. Such as: the hydraulic conduit in the hydraulic pipeline system of the aircraft engine has defects on the inner surface of the hydraulic conduit due to the cold bending process, and the non-uniformity of the pressure load distribution at the bending part can aggravate the stress concentration at the bending part, so that the cold bending process is one of the main sources of failure and even fatigue fracture of the hydraulic conduit. 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 for grinding magnetic particles on the inner and outer surfaces of a complex axis elbow, in which two groups of magnetic poles are arranged in pairs on the same plane, and the range of magnetic lines of force generated by each group of magnetic poles passing through the pipe fitting is small, so that the acting area of the magnetic grinding particles on the pipe fitting is small, the grinding efficiency is low, and the grinding track is single.
Disclosure of Invention
For overcoming the not enough of prior art, the utility model aims at providing a magnetic particle grinder that is used for the high-efficient polishing of intraductal surface, rational in infrastructure improves the grinding efficiency of pipe part, effectively promotes stability and the finishing degree that the part used.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
a magnetic particle grinding device for efficiently polishing the inner surface of a pipe comprises a driving mechanism, a feeding mechanism and a magnetic field generating mechanism, wherein the driving mechanism drives pipe parts to rotate, and the feeding mechanism drives the magnetic field generating mechanism to axially move along the pipe parts; the magnetic field generating mechanism forms a magnetic field, and the adsorbed magnetic grinding particles are 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 wheel supporting plate, a belt, a small belt wheel supporting plate, a grinding motor, a speed reducer, a transmission shaft, a connecting frame, a magnetic pole frame and a magnetic pole;
the flange plate I, the large belt wheel supporting plate, the small belt wheel supporting plate and the flange plate II are sequentially connected from top to bottom to form a structural frame of the magnetic field generating mechanism; the large belt wheel and the small belt wheel are respectively arranged on the large belt wheel supporting plate and the small belt wheel supporting plate, the large belt wheel and the small belt wheel are connected through a belt, and the grinding motor is connected with the speed reducer and transmits torque to the small belt wheel through a transmission shaft;
the connecting frame is fixedly connected with the large belt wheel through a set screw and consists of two semicircular structures, gears are fixed at two ends of each semicircular structure, the two semicircular structures are mutually meshed, the adjusting knob is fixedly connected with the gear of one semicircular structure, and the magnetic pole frame is fixed at one end and the middle vertex of each semicircular 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 and is connected with the driving wheel, the driving belt is connected with the driving wheel and the driven wheel, and the driven wheel is connected with the three-jaw chuck through a connecting shaft; the base is fixed with a tailstock, 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, the guide post is fixed on the driving mechanism, the workbench is connected with the guide post in a sliding manner, 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.
Compared with the prior art, the beneficial effects of the utility model are that:
the magnetic particle grinding device for efficiently polishing the inner surface of the pipe can efficiently grind and polish pipe parts with the defects of scratches, pits, wrinkles, microcracks and the like on the surface. Compared with the prior grinding and polishing device, the device adopts two semicircular structures, and can adjust the angle between the two semicircular structures, so that the magnetic poles are not in the same plane any more. The magnetic particle brush is not perpendicular to the axis of the pipe part but forms a spiral line which is intersected with each other at a certain angle. The contact area of the magnetic particle brush and the pipe part is increased, and the grinding track of the magnetic particle brush 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 utility model discloses not only be applicable to the burnishing and polishing straight tube class part, return bend class part is also suitable for equally, and the magnetic field takes place the usable ring flange of mechanism and the cooperation of manipulator and realizes the burnishing and polishing to return bend class part.
Drawings
FIG. 1 is a schematic structural view of a magnetic particle grinding apparatus for high-efficiency polishing of the inner surface of a pipe.
FIG. 2 is a schematic bottom view of a magnetic particle grinder for high-efficiency polishing of 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 an operational view of a conventional polishing apparatus.
Fig. 6 is a working state diagram of the present invention.
Fig. 7 is a schematic diagram of the adjustment knob controlling the opening and closing of the magnetic pole frame.
In the figure: 1-rotary motor 2-driving wheel 3-driven wheel 4-transmission belt 5-connecting shaft 6-three-jaw chuck 7-magnetic field generating mechanism 8-pipe part 9-rotary centre 10-locking button 11-positioning block 12-coupling 13-feeding motor 14-supporting plate 15-base 16-guide column 17-working table 18-screw 19-screw nut 20-base 21-large belt wheel 22-large belt wheel supporting plate 23-belt 24-small belt wheel supporting plate 25-transmission shaft 26-small belt wheel 27-flange two 28-magnetic pole frame 29-connecting frame 30-adjusting knob 31-magnetic pole 32-speed reducer 33-grinding motor 34-flange one 35- Magnetic abrasive particles 36-iron based phase 37-abrasive phase.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that 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 pipe comprises a driving mechanism, a feeding mechanism and a magnetic field generating mechanism 7, wherein the driving mechanism drives a pipe part 8 to rotate, and the feeding mechanism drives the magnetic field generating mechanism 7 to axially move along the pipe part 8; the magnetic field generating mechanism 7 forms a magnetic field, and the adsorbed magnetic grinding particles 35 are arranged along magnetic lines of force and are gathered into 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 reducer 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 plate 34, the large belt wheel support plate 22, the small belt wheel support plate 24 and the second flange plate 27 are sequentially connected from top to bottom to form a structural frame of the magnetic field generating mechanism 7; the large belt wheel 21 and the small belt wheel 26 are respectively arranged on the large belt wheel support plate 22 and the small belt wheel support plate 24, the large belt wheel 21 and the small belt wheel 26 are connected through a belt 23, and the grinding motor 33 is connected with a speed reducer 32 and transmits torque to the small belt wheel 26 through a transmission shaft 25;
the connecting frame 29 is fixedly connected with the large belt wheel 21 through a set screw, the connecting frame 29 consists of two semicircular structures, the two semicircular structures are meshed, the adjusting knob 30 is fixedly connected with one semicircular structure, and the magnetic pole frame 28 is fixed at one end and the middle vertex of the semicircular structure; the poles 31 are mounted on the pole carrier 28. When the opening and closing angles of the two semicircular structures need to be adjusted, the set screws are slightly loosened, the adjusting knobs 30 are rotated to drive the semicircular structures to rotate, the opening and closing angles of the connecting frames 29 are adjusted, and the set screws are screwed after adjustment to fix the connecting frames 29.
The driving mechanism comprises a rotary motor 1, a driving wheel 2, a driven wheel 3, a transmission 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 transmission belt 4 is connected with 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 that of a machine tool, the tailstock comprises a rotating centre 9, a positioning block 11 and a locking structure, the rotating centre 9 is installed on the positioning block 11, the positioning block 11 is installed on a guide column 16, and the positioning block 11 is provided with a locking button 10 which can fix the position of the locking button on the guide column 16. The pipe part 8 is fixed by the three-jaw chuck 6 and the rotating center 9.
The feeding mechanism comprises a feeding motor 13, a coupler 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 of the guide post is connected with a base 15; the workbench 17 is connected with the guide post 16 in a sliding way, the feeding motor 13 is connected with the screw rod 18 through the coupling 12, and the screw rod 18 is in threaded connection with the screw rod nut 19; the workbench 17 is fixedly connected with the feed 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 second flange 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 axial direction of the screw rod 18.
The magnetic abrasive particles 35 consist 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.
See fig. 5, fig. 6, traditional grinder with the utility model discloses grinder compares, the utility model discloses grind the increase of area, the orbit is more complicated. The utility model discloses a magnetism abrasive particle 35 constitute by iron-based phase 36 and grinding phase 37, and magnetism abrasive particle 35 forms the magnetism grain brush under the effect in the magnetic field that every group magnetic pole 31 produced with water base lapping liquid mixture back.
The magnetic field generating mechanism 7 is connected with the mechanical arm through a first flange 34.
Referring to fig. 1-7, a method for efficient polishing of the inner surface of a tube includes 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 the three-jaw chuck 6 and the tailstock;
2) uniformly mixing the magnetic grinding particles 35 with the water-based grinding fluid, placing the mixture into the pipe part 8 to be processed, and adjusting the position of the workbench 17 on the guide column 16 so as to adjust the position of the magnetic pole 31 to attract the magnetic grinding particles 35 and form a magnetic particle brush in the area to be processed, thereby realizing the micro-grinding of the inner surface of the pipe part 8 by the grinding phase 37 on the magnetic grinding particles 35;
3) the angle between the semicircular annular 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 transmission belt 4, a driven wheel 3, a connecting shaft 5 and a three-jaw chuck 6 by starting the rotary motor 1, wherein the three-jaw chuck 6 drives a pipe part 8 to rotate;
5) starting a grinding motor 33 to transmit power to a speed reducer 32, a transmission shaft 25, a small belt wheel 26, a belt 23, a large belt wheel 21, a connecting frame 29, a magnetic pole frame 28 and a magnetic pole 31 in sequence, enabling the magnetic pole 31 to rotate around the pipe part 8, and enabling the magnetic pole 31 to rotate around the pipe part 8; in fig. 3, two sets of half-circle ring-shaped paired magnetic poles 31 are rotated around the pipe-like member 8.
6) And starting the feeding motor 13 to drive the workbench 17 to reciprocate along the guide post 16, and enabling the magnetic pole 31 to axially move along the pipe part 8 to grind and polish the inner surface of the pipe part 8. The feed motor 13 rotates forwards, the screw rod 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 guaranteed to move along the axial direction of the pipe part 8, and the grinding and polishing effects on the inner surface of the pipe part 8 are achieved. In order to prevent insufficient grinding, the feeding motor 13 can be reversely rotated in the grinding and polishing process, so that the magnetic pole 31 does reciprocating motion along the axis of the pipe part 8, and the grinding and polishing are more uniform and thorough.
The rotation direction of the pipe part 8 is opposite to the rotation direction of the magnetic pole 31, and the grinding efficiency and the grinding effect are enhanced.
During grinding, either 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 vertical to the axis of the pipe part 8 to be processed, and the grinding track is single; the utility model discloses grinding device every group magnetic pole 31 intersects into a certain angle with the axis of waiting to process pipe part 8 with adjustable, grinds regional increase, and the grinding track is complicated, is favorable to the reinforcing to wait to process the polishing effect of pipe part 8.
Claims (3)
1. A magnetic particle grinding device for efficiently polishing the inner surface of a pipe is characterized by comprising a driving mechanism, a feeding mechanism and a magnetic field generating mechanism, wherein the driving mechanism drives pipe parts to rotate, and the feeding mechanism drives the magnetic field generating mechanism to axially move along the pipe parts; the magnetic field generating mechanism forms a magnetic field, and the adsorbed magnetic grinding particles are 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 wheel supporting plate, a belt, a small belt wheel supporting plate, a grinding motor, a speed reducer, a transmission shaft, a connecting frame, a magnetic pole frame and a magnetic pole;
the flange plate I, the large belt wheel supporting plate, the small belt wheel supporting plate and the flange plate II are sequentially connected from top to bottom to form a structural frame of the magnetic field generating mechanism; the large belt wheel and the small belt wheel are respectively arranged on the large belt wheel supporting plate and the small belt wheel supporting plate, the large belt wheel and the small belt wheel are connected through a belt, and the grinding motor is connected with the speed reducer and transmits torque to the small belt wheel through a transmission shaft;
the connecting frame is fixedly connected with the large belt wheel through a set screw and consists of two semicircular structures, gears are fixed at two ends of each semicircular structure, the two semicircular structures are mutually meshed, the adjusting knob is fixedly connected with the gear of one semicircular structure, and the magnetic pole frame is fixed at one end and the middle vertex of each semicircular structure; the magnetic pole is arranged on the magnetic pole frame.
2. The magnetic particle grinding device for efficiently polishing the inner surface of the pipe as claimed in claim 1, wherein 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 and is connected with the driving wheel, the driving belt is connected with the driving wheel and the driven wheel, and the driven wheel is connected with the three-jaw chuck through a connecting shaft; the base is fixed with a tailstock, and the tailstock and the three-jaw chuck are arranged oppositely.
3. The magnetic particle grinding device for efficiently polishing the inner surface of the pipe according to claim 1, wherein the feeding mechanism comprises a feeding motor, a coupler, a guide post, a workbench, a screw rod and a screw nut, the guide post is fixed on the driving mechanism, the workbench is connected with the guide post in a sliding manner, the feeding motor is connected with the screw rod through the coupler, and the screw rod is in threaded connection with the screw 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921063681.0U CN210307016U (en) | 2019-07-09 | 2019-07-09 | Magnetic particle grinding device for efficiently polishing inner surface of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921063681.0U CN210307016U (en) | 2019-07-09 | 2019-07-09 | Magnetic particle grinding device for efficiently polishing inner surface of pipe |
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| Publication Number | Publication Date |
|---|---|
| CN210307016U true CN210307016U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921063681.0U Expired - Fee Related CN210307016U (en) | 2019-07-09 | 2019-07-09 | Magnetic particle grinding device for efficiently polishing inner surface of pipe |
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| Country | Link |
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| CN (1) | CN210307016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170888A (en) * | 2019-07-09 | 2019-08-27 | 辽宁科技大学 | A kind of magnetic abrasive finishing device and method efficiently polished for pipe internal surface |
-
2019
- 2019-07-09 CN CN201921063681.0U patent/CN210307016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170888A (en) * | 2019-07-09 | 2019-08-27 | 辽宁科技大学 | A kind of magnetic abrasive finishing device and method efficiently polished for pipe internal surface |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210709 |
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| CF01 | Termination of patent right due to non-payment of annual fee |