CN210307017U - Device for polishing inner surface of pipe fitting by rotary slotted magnetic pole - Google Patents
Device for polishing inner surface of pipe fitting by rotary slotted magnetic pole Download PDFInfo
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- CN210307017U CN210307017U CN201921063701.4U CN201921063701U CN210307017U CN 210307017 U CN210307017 U CN 210307017U CN 201921063701 U CN201921063701 U CN 201921063701U CN 210307017 U CN210307017 U CN 210307017U
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- magnetic pole
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- slide rail
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Abstract
The utility model relates to a device for polishing the inner surface of a pipe fitting by a rotary slotted magnetic pole, which comprises a horizontal driving mechanism, a vertical driving mechanism, a rotary motor supporting plate, a slotted magnetic pole, a magnetic pole chuck, a main motor, a triangular chuck and a base; the horizontal driving mechanism is connected with the vertical driving mechanism and drives the vertical driving mechanism to move in the horizontal direction; the vertical driving mechanism is connected with a rotating motor through a rotating motor supporting plate; the rotating motor drives the magnetic pole chuck to rotate, and the slotted magnetic pole is clamped on the magnetic pole chuck; the base is fixed on the horizontal driving mechanism, the main motor drives the triangular chuck, one end of the workpiece is clamped on the triangular chuck, and the other end of the workpiece is limited by the tailstock; the workpiece is disposed below the slotted pole. The advantages are that: the inner surface of the pipe fitting can be machined, the rotating magnetic pole drives the movement track of the magnetic abrasive particles to be more complex, and the magnetic abrasive particles impact and scratch the pipe fitting to be machined more complex, so that the surface roughness of the pipe fitting to be machined can be improved.
Description
Technical Field
The utility model belongs to the technical field of magnetic grinding surface is polished, especially, relate to a rotatory fluting magnetic pole polishing pipe fitting internal surface device.
Background
In the traditional machining, the pipe fitting is more and more widely applied in the high-tech fields of aviation, automobiles, food machinery and the like, and various novel parts are produced at the same time. The technical requirements on the pipe fitting are higher and higher, and the precision of the size of the inner surface of the pipe fitting is ensured, and the parts have better micro-morphology. When the inner surface of the pipe fitting is uneven, the phenomenon of uneven flow velocity or surging often occurs, and certain influence is generated on a precision instrument, so that the method has important significance for ultra-precision grinding of the inner surface of the pipe fitting.
The magnetic grinding technology utilizes the magnetic induction lines which can penetrate through a non-magnetic-conductive workpiece, magnetic abrasive particles are arranged along the direction of the magnetic induction lines under the action of a magnetic field to form a magnetic brush with rigidity and cutting action, when a magnetic pole rotates, the magnetic brush can do the same motion along with the magnetic pole and is pressed on the surface of the workpiece, and a cutting edge of the magnetic abrasive particles grinds and scores the surface of the workpiece, so that the effect of surface finishing is achieved. The magnetic grinding is used for polishing the inner surface of the pipe fitting, and the flexible processing cutting is not required to be carried out; the magnetic abrasive particles have good self-sharpening performance, and the grinding efficiency can be ensured.
Chinese patent CN107745326 discloses a polishing device for the inner surface of a straight pipe. By adding a magnetic grinding device on the basis of a lathe, the movement direction of the magnetic abrasive particles only carries out spiral movement relative to the pipe along with the inner magnetic pole and the outer magnetic pole. The motion track is relatively monotonous, and a single round scratch is formed on the inner surface after grinding.
At present, most of grinding devices for the inner surfaces of pipe fittings grind the inner surfaces in a single rotating mode, and the motion trail of magnetic abrasive particles on the inner surfaces is relatively single, so that the surface quality cannot be continuously improved.
Disclosure of Invention
For overcoming the not enough of prior art, the utility model aims at providing a rotatory fluting magnetic pole polishing pipe fitting internal surface device has apparent effect to the reduction of the roughness of pipe fitting internal surface, but utilizes the fluting magnetic pole of rotation to show the complexity that promotes magnetism grit movement track.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
a device for polishing the inner surface of a pipe fitting by a rotary slotted magnetic pole comprises a horizontal driving mechanism, a vertical driving mechanism, a rotary motor supporting plate, a slotted magnetic pole, a magnetic pole chuck, a main motor, a triangular chuck and a base;
the horizontal driving mechanism is connected with the vertical driving mechanism and drives the vertical driving mechanism to move in the horizontal direction; the vertical driving mechanism is connected with a rotating motor through a rotating motor supporting plate; the rotating motor drives the magnetic pole chuck to rotate, and the slotted magnetic pole is clamped on the magnetic pole chuck; the base is fixed on the horizontal driving mechanism, a tailstock is fixed on the base, the main motor drives the triangular chuck, one end of the workpiece is clamped on the triangular chuck, and the other end of the workpiece is limited by the tailstock; the workpiece is arranged below the slotted magnetic pole;
the vertical driving mechanism comprises a vertical motor, a first lead screw nut and a first slide rail, wherein the first lead screw is vertically arranged, the first lead screw is in threaded connection with the first lead screw nut, a rotating motor supporting plate is fixedly connected with the first lead screw nut, and the rotating motor supporting plate is in sliding connection with the first slide rail; the vertical motor drives the first lead screw to rotate, and drives the rotating motor supporting plate to move up and down along the first sliding rail;
the horizontal driving mechanism comprises a screw motor, a slide carriage, a third screw nut, a third slide rail, a horizontal motor, a second screw nut, a second slide rail and a bracket; the screw motor is connected with a third screw, the third screw is in threaded connection with a third screw nut, the third screw nut is fixedly connected with the slide carriage, the slide carriage is in sliding connection with a third slide rail, and the screw motor drives the third screw to rotate to drive the slide carriage to transversely move on the third slide rail; the horizontal motor and the second slide rail are fixed on the slide carriage, the second slide rail is perpendicular to the third slide rail, the horizontal motor is connected with the second lead screw, the second lead screw is in threaded connection with a second four-lead screw nut, the vertical driving mechanism is fixed on the second lead screw nut, and the horizontal motor drives the second lead screw to rotate so as to drive the vertical driving mechanism to longitudinally move on the second slide rail; two ends of the third slide rail are fixed through a bracket; the third slide rail must be fixedly connected with the base, and the other end is provided with a triangular chuck.
The bottom surface of the slotted magnetic pole is provided with more than one square groove.
The workpiece is of a tubular structure.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can process the internal surface of pipe fitting to rotatory fluting magnetic pole compares with traditional fixed magnetic pole, and rotatory magnetic pole drives the more complicacy of magnetism grit motion trajectory, and the magnetism grit is drawn the more complicacy of wiping to the pipe fitting striking that will process, consequently can improve the roughness of the pipe fitting that will process. The magnetic poles are grooved, and simulation and practice show that the method increases the magnetic induction intensity of the end face and increases the grinding pressure. Meanwhile, the magnetic induction intensity at the edge of the magnetic pole slotting part is high, the magnetic induction intensity inside the slotting part is relatively low, and the magnetic induction intensity and the magnetic field gradient generate magnetic field gradients, so that the magnetic abrasive particles are continuously moved from the position with low magnetic induction intensity to the position with high magnetic induction intensity, and the rolling and updating of the magnetic abrasive particles are promoted. The utility model discloses not only make grooved magnetic pole still make it produce the rotation along the axis direction motion of waiting to process the pipe fitting, this movement track that makes the magnetism grit is more complicated, improves the quality of treating the machined surface when promoting grinding efficiency.
The utility model discloses not only be applicable to the pipe fitting processing of multiple shape, especially can grind the pipe fitting department of bending, compare in smooth transition treat the machined surface, the roughness of the department of bending is more difficult to reach the processing requirement, and defects such as some rugosities, pit, arch that the department of bending exists often cause hidden danger such as fatigue, crackle more easily. The utility model discloses can fix the pipe fitting and make it motionless, only drive the magnetism grit through the rotation of fluting magnetic pole self and roll the renewal to the realization is to the appointed position of work piece or the key grinding at difficult processing position, makes its pipe fitting wholly reach the grinding requirement.
Drawings
FIG. 1 is a first schematic structural diagram of an apparatus for polishing the inner surface of a pipe by a rotary slotted magnetic pole.
FIG. 2 is a schematic structural diagram of a device for polishing the inner surface of a pipe by a rotary slotted magnetic pole.
FIG. 3 is a bottom schematic view of an apparatus for rotating a slotted pole to polish the inside surface of a pipe.
Fig. 4 is a schematic connection diagram of the second slide rail, the second lead screw nut and the second lead screw.
FIG. 5 is a schematic view of a vertical drive mechanism.
Fig. 6 is an alternative schematic view of a slotted pole attracting magnetic abrasive particles.
In the figure: the magnetic particle-free locking device comprises a 1-screw motor 2-a main motor 3-a belt 4-a triangular chuck 5-a workpiece 6-a horizontal motor 7-a first screw 8-a first screw nut 9-a first slide rail 10-a vertical motor 11-a rotary motor supporting plate 12-a rotary motor 13-a magnetic pole chuck 14-a slotted magnetic pole 15-a thimble 16-a locking device 17-a tailstock 18-a hand wheel 19-a base 20-a second screw 21-a second screw nut 22-a second slide rail 23-a slide carriage 24-a third screw 25-a third screw nut 26-a third slide rail 27-a support 28-magnetic abrasive particles.
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. 1-6, a device for polishing the inner surface of a pipe fitting by using a rotary slotted magnetic pole comprises a horizontal driving mechanism, a vertical driving mechanism, a rotary motor 12, a rotary motor supporting plate 11, a slotted magnetic pole 14, a magnetic pole chuck 13, a main motor 2, a triangular chuck 4 and a base 19; the horizontal driving mechanism is connected with the vertical driving mechanism and drives the vertical driving mechanism to move in the horizontal direction; the vertical driving mechanism is connected with a rotating motor 12 through a rotating motor supporting plate 11; the rotating motor 12 drives the magnetic pole chuck 13 to rotate, and the magnetic pole chuck 13 is provided with a slotted magnetic pole 14; the base 19 is fixed on the horizontal driving mechanism, the tailstock 17 is fixed on the base 19, the main motor 2 drives the triangular chuck 4, one end of the workpiece 5 is clamped on the triangular chuck 4, and the other end of the workpiece is limited by the tailstock 17; the upper part of the base 19 is fixed by a bolt and a tailstock 17. The length of the thimble 15 is adjusted by rotating the hand wheel 18, so that the thimble 15 is pressed against the workpiece 5, and the thimble 15 is locked by the locking mechanism to prevent the thimble 15 from sliding.
The workpiece 5 is disposed below the slotted pole 14; the main motor 2 drives the triangular chuck 4 on the main shaft through the transmission of the belt 3, and the triangular chuck 4 drives the workpiece 5 to do circular motion.
The vertical driving mechanism comprises a vertical motor 10, a first lead screw 7, a first lead screw nut 8 and a first slide rail 9, wherein the first lead screw 7 is vertically arranged, the first lead screw 7 is in threaded connection with the first lead screw nut 8, a rotating motor supporting plate 11 is fixedly connected with the first lead screw nut 8, and the rotating motor supporting plate 11 is in sliding connection with the first slide rail 9; the vertical motor 10 drives the first lead screw 7 to rotate, the first lead screw 7 rotates to drive the first lead screw nut 8 and the rotating motor supporting plate 11 to move on the first sliding rail 9, so that the up-and-down movement of the slotted magnetic pole 14 is adjusted to prevent the slotted magnetic pole 14 from interfering with the workpiece 5, and the processing of different pipe diameters can be realized.
Slotted pole 14 causes magnetic abrasive particles 28 to exert a compressive force on the interior of workpiece 5 by attracting magnetic abrasive particles 28 placed inside workpiece 5. The main motor 2 drives the workpiece 5 to rotate and the rotating motor 12 drives the slotted magnetic pole 14 to rotate, so that the movement of the magnetic abrasive particles 28 relative to the inner surface of the straight pipe is more complicated, and the processing quality is improved.
The bottom surface of the slotted magnetic pole 14 is provided with more than one square groove, fig. 6 is a cylindrical slotted magnetic pole, the bottom surface of the slotted magnetic pole is provided with a cross-shaped groove, and the cross section of the groove is square.
The horizontal driving mechanism comprises a screw motor 1, a slide carriage 23, a third screw 24, a third screw nut 25, a third slide rail 26, a horizontal motor 6, a second screw 20, a second screw nut 21, a second slide rail 22 and a bracket 27; the screw motor 1 is connected with a third screw 24, the third screw 24 is in threaded connection with a third screw nut 25, the third screw nut 25 is fixedly connected with the slide carriage 23, the slide carriage 23 is in sliding connection with a third slide rail 26, the screw motor 1 drives the third screw 24 to rotate, the slide carriage 23 is driven to transversely move on the third slide rail 26, and the third screw nut 25 drives the slide carriage 23 to move on the third slide rail 26, so that the whole workpiece 5 is machined. The horizontal motor 6 and the second slide rail 22 are fixed on the slide carriage 23, the second slide rail 22 is perpendicular to the third slide rail 26, the horizontal motor 6 is connected with the second lead screw 20, the second lead screw 20 is in threaded connection with the second four-lead-screw nut, the vertical driving mechanism is fixed on the second lead screw nut 21, and the horizontal motor 6 drives the second lead screw 20 to rotate to drive the vertical driving mechanism to longitudinally move on the second slide rail 22; two ends of the third slide rail 26 are fixed through a bracket 27; one end of the third slide rail 26 is fixedly connected with the base 19 through a bolt, and the other end is provided with a triangular chuck 4.
Referring to fig. 1-6, a method of rotating a slotted pole to polish an interior surface of a pipe, comprising the steps of:
1) the magnetic abrasive particles 28 are put into a workpiece 5 to be processed, one end of the workpiece 5 is clamped on the triangular chuck 4, the other end of the workpiece 5 is limited by the tailstock 17, the longitudinal position of the vertical driving mechanism is adjusted by the horizontal driving mechanism, so that the slotting magnetic pole 14 is arranged above the workpiece 5, the vertical driving mechanism is adjusted, the position of the slotting magnetic pole 14 relative to the workpiece 5 is adjusted, so that the central line of the straight pipe and the slotting magnetic pole 14 keep the same vertical plane, the slotting magnetic pole 14 is ensured not to interfere with a pipe fitting, and the workpieces 5 with different pipe diameters are processed;
2) during machining, the main motor 2 drives the triangular chuck 4 to rotate, the distance between the slotting magnetic pole 14 and the workpiece 5 is adjusted through the vertical driving mechanism, and the slotting magnetic pole 14 moves in a transverse reciprocating mode through the horizontal driving mechanism, so that the inner wall of the workpiece 5 is polished.
During processing in the step 2), the main motor 2 is not started, and the triangular chuck 4 and the tailstock 17 fix the workpiece 5 to make the workpiece 5 immovable; the vertical driving mechanism adjusts the distance between the slotting magnetic pole and the workpiece 5, the horizontal driving mechanism enables the slotting magnetic pole to do transverse reciprocating motion, the rotating motor is started to drive the slotting magnetic pole to rotate, the magnetic abrasive particles are driven to roll, and the magnetic abrasive particles move along the axis direction of the workpiece 5, so that the appointed part or the part difficult to machine of the workpiece 5 is mainly ground, and the workpiece 5 integrally meets the grinding requirement.
The workpiece 5 is of a tubular structure, and the end face of the workpiece 5 is circular, square or D-shaped. The workpiece 5 may be of a reducing construction. The workpiece 5 may be a pipe with a bent structure.
The utility model discloses can process the internal surface of work piece 5, slotting magnetic pole 14 that can rotate is compared with traditional fixed magnetic pole, and rotatory slotting magnetic pole 14 drives the more complicacy of 28 motion trails of magnetism grit, and magnetism grit 28 is drawn more evenly to the pipe fitting striking that will process, compares with traditional pipe fitting internal surface processingequipment and can improve the roughness of the pipe fitting that will process. For the magnetic pole without grooving, the magnetic induction intensity at the center of the end face of the magnetic pole is minimum, and the accumulation of magnetic abrasive particles and cutting scraps is easy to cause. In order to solve the problems, the magnetic poles are grooved, and the method is known through simulation and practice to increase the magnetic induction intensity of the end face and increase the grinding pressure. Meanwhile, the magnetic induction intensity at the edge of the magnetic pole slotting part is high, the magnetic induction intensity inside the slotting part is relatively low, and the magnetic induction intensity and the magnetic field gradient generate magnetic field gradients, so that the magnetic abrasive particles are continuously moved from the position with low magnetic induction intensity to the position with high magnetic induction intensity, and the rolling and updating of the magnetic abrasive particles are promoted. The utility model discloses not only make grooved magnetic pole still make it produce the rotation along the axis direction motion of waiting to process the pipe fitting, this movement track that makes the magnetism grit is more complicated, improves the quality of treating the machined surface when promoting grinding efficiency.
Claims (3)
1. A device for polishing the inner surface of a pipe fitting by a rotary slotted magnetic pole is characterized by comprising a horizontal driving mechanism, a vertical driving mechanism, a rotary motor supporting plate, a slotted magnetic pole, a magnetic pole chuck, a main motor, a triangular chuck and a base;
the horizontal driving mechanism is connected with the vertical driving mechanism and drives the vertical driving mechanism to move in the horizontal direction; the vertical driving mechanism is connected with a rotating motor through a rotating motor supporting plate; the rotating motor drives the magnetic pole chuck to rotate, and the slotted magnetic pole is clamped on the magnetic pole chuck; the base is fixed on the horizontal driving mechanism, a tailstock is fixed on the base, the main motor drives the triangular chuck, one end of the workpiece is clamped on the triangular chuck, and the other end of the workpiece is limited by the tailstock; the workpiece is arranged below the slotted magnetic pole;
the vertical driving mechanism comprises a vertical motor, a first lead screw nut and a first slide rail, wherein the first lead screw is vertically arranged, the first lead screw is in threaded connection with the first lead screw nut, a rotating motor supporting plate is fixedly connected with the first lead screw nut, and the rotating motor supporting plate is in sliding connection with the first slide rail; the vertical motor drives the first lead screw to rotate, and drives the rotating motor supporting plate to move up and down along the first sliding rail;
the horizontal driving mechanism comprises a screw motor, a slide carriage, a third screw nut, a third slide rail, a horizontal motor, a second screw nut, a second slide rail and a bracket; the screw motor is connected with a third screw, the third screw is in threaded connection with a third screw nut, the third screw nut is fixedly connected with the slide carriage, the slide carriage is in sliding connection with a third slide rail, and the screw motor drives the third screw to rotate to drive the slide carriage to transversely move on the third slide rail; the horizontal motor and the second slide rail are fixed on the slide carriage, the second slide rail is perpendicular to the third slide rail, the horizontal motor is connected with the second lead screw, the second lead screw is in threaded connection with a second four-lead screw nut, the vertical driving mechanism is fixed on the second lead screw nut, and the horizontal motor drives the second lead screw to rotate so as to drive the vertical driving mechanism to longitudinally move on the second slide rail; two ends of the third slide rail are fixed through a bracket; one end of the third slide rail is fixedly connected with the base, and the other end of the third slide rail is provided with a triangular chuck.
2. The apparatus of claim 1, wherein the bottom surface of the slotted pole is provided with one or more square grooves.
3. The apparatus of claim 1, wherein the workpiece is a tubular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921063701.4U CN210307017U (en) | 2019-07-09 | 2019-07-09 | Device for polishing inner surface of pipe fitting by rotary slotted magnetic pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921063701.4U CN210307017U (en) | 2019-07-09 | 2019-07-09 | Device for polishing inner surface of pipe fitting by rotary slotted magnetic pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210307017U true CN210307017U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921063701.4U Expired - Fee Related CN210307017U (en) | 2019-07-09 | 2019-07-09 | Device for polishing inner surface of pipe fitting by rotary slotted magnetic pole |
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| CN (1) | CN210307017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253346A (en) * | 2019-07-09 | 2019-09-20 | 辽宁科技大学 | A kind of rotary slotted magnetic pole polishing inner surface of pipe fitting device and method |
| CN113664625A (en) * | 2021-09-09 | 2021-11-19 | 南京航太机电有限公司 | Magnetic grinding device and method for bead-shaped inner spherical surface |
-
2019
- 2019-07-09 CN CN201921063701.4U patent/CN210307017U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253346A (en) * | 2019-07-09 | 2019-09-20 | 辽宁科技大学 | A kind of rotary slotted magnetic pole polishing inner surface of pipe fitting device and method |
| CN113664625A (en) * | 2021-09-09 | 2021-11-19 | 南京航太机电有限公司 | Magnetic grinding device and method for bead-shaped inner spherical surface |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210709 |