CN213702730U - A magnetic particle grinding device for machining the inner wall of conical parts - Google Patents
A magnetic particle grinding device for machining the inner wall of conical parts Download PDFInfo
- Publication number
- CN213702730U CN213702730U CN202022340500.3U CN202022340500U CN213702730U CN 213702730 U CN213702730 U CN 213702730U CN 202022340500 U CN202022340500 U CN 202022340500U CN 213702730 U CN213702730 U CN 213702730U
- Authority
- CN
- China
- Prior art keywords
- electric cylinder
- magnetic pole
- workpiece
- wall
- ultrasonic vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000006249 magnetic particle Substances 0.000 title claims abstract description 16
- 238000003754 machining Methods 0.000 title claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Images
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model aims at providing a magnetic particle grinding device for processing the inner wall of a conical part, which comprises a machine tool, an external magnetic pole device and an internal ultrasonic vibration magnetic pole device, wherein the external magnetic pole device is arranged outside a workpiece and can move axially along the workpiece by being driven by a first sliding table on the machine tool; the internal ultrasonic vibration magnetic pole device is coaxial with the workpiece and can send the auxiliary magnetic pole into the workpiece through the driving of a second sliding table on the machine tool. The utility model discloses can realize carrying out the finishing processing to tapered type class inner wall. The surface quality and the service life of the workpiece can be improved, and the grinding speed and the grinding quality are effectively improved.
Description
Technical Field
The utility model relates to a magnetic particle grinds and the finishing processing technology field, especially relates to a magnetic particle grinder for processing toper part inner wall.
Background
In the present day of mechanical and automatic development, the application of conical parts becomes more extensive. Funnels are the most typical of cones, with the surface quality of the inner wall having a direct impact on process efficiency and process cost. Because of the special shape of the conical part, the distance between the external magnetic pole and the outer surface of the part needs to be continuously adjusted when the conical part is ground by magnetic particles, so that a closed magnetic loop is formed between the magnetic pole and the grinding material, and the conical part is ground to the required machining precision. This operation is time-consuming and labor-consuming and has a very low efficiency, so that it is particularly important to use a special apparatus for machining conical parts.
Chinese patent CN111168483A discloses a method and a device for grinding magnetic particles on the inner surface of a non-magnetic-conduction concentric reducer. The device utilizes the movement of the sliding sheet group to adjust the distance from the magnet to the outer surface of the processed workpiece, but the device has the disadvantages of complex structure, high installation requirement and poor processing precision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic particle grinder for processing toper part inner wall can realize carrying out the finishing processing to toper type class inner wall. The surface quality and the service life of the workpiece can be improved, and the grinding speed and the grinding quality are effectively improved.
In order to achieve the above object, the utility model adopts the following technical scheme:
a magnetic particle grinding device for machining the inner wall of a conical part comprises a machine tool, an external magnetic pole device and an internal ultrasonic vibration magnetic pole device, wherein the external magnetic pole device is arranged outside a workpiece and can move axially along the workpiece under the drive of a first sliding table on the machine tool; the internal ultrasonic vibration magnetic pole device is coaxial with the workpiece and can send the auxiliary magnetic pole into the workpiece through the driving of a second sliding table on the machine tool.
The internal ultrasonic vibration magnetic pole device comprises an ultrasonic generator, a converter, a collecting ring, an amplitude transformer, a ball head connecting rod, an auxiliary magnetic pole and an ultrasonic vibration device fixing seat, wherein the converter, the collecting ring and the amplitude transformer are installed on the ultrasonic generator, the auxiliary magnetic pole is installed on the amplitude transformer through the ball head connecting rod, the ultrasonic generator is installed on the ultrasonic vibration device fixing seat, and the ultrasonic vibration device fixing seat is installed on the second sliding table.
The external magnetic pole device comprises an electric cylinder and an infrared distance measuring sensor, and the infrared distance measuring sensor is arranged on a magnetic pole at the end part of the electric cylinder.
Electronic jar includes magnetic pole, electronic jar lead screw, electronic jar sleeve, electronic jar nut, electronic jar push rod, electronic jar bearing, electronic jar reduction gear, electronic jar servo motor, electronic jar lead screw passes through electronic jar bearing and installs in electronic jar sleeve, electronic jar nut spiro union is on electronic jar lead screw and can slide along electronic jar sleeve inner wall, electronic jar one end and electronic jar nut fixed connection of push rod, electronic jar sleeve and magnetic pole fixed connection are stretched out to the other end of electronic jar push rod, are equipped with the uide bushing between electronic jar push rod and electronic jar sleeve, electronic jar servo motor connects electronic jar lead screw through electronic jar reduction gear transmission.
The workpiece is a non-magnetic conductive metal conical pipe fitting.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to a device for processing various size toper parts can set up magnetic pole and workpiece surface's distance in advance in the PLC system according to the required precision that the work piece is different, and when the machining precision was high, can set up less with the distance value between the two, provides great grinding pressure for the abrasive material. When the machining precision is low, the distance value can be set to be larger, and excessive machining is avoided. In the machining process, the infrared distance measuring sensor inputs the measured distance into the PLC system through signal receiving, and the system drives the electric cylinder to bring the magnetic pole to the designated position according to the set parameter value so as to ensure the distance between the magnetic pole and the surface of the workpiece. The ultrasonic vibration device provides horizontal vibration for the auxiliary magnetic pole, so that the magnetic grinding material in the workpiece generates high-frequency vibration, the grinding speed is increased, the rolling and updating performance of the magnetic grinding particles is enhanced, the grinding efficiency is increased, and the inner surface quality of the workpiece is improved. The auxiliary magnetic poles shorten the distance between the magnetic poles, thereby increasing the magnetic induction intensity and improving the grinding speed and the grinding quality.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic plan view of the structure of the present invention.
Fig. 3 is a schematic structural view of the ultrasonic vibration section of the present invention.
Fig. 4 is a left side view of fig. 3.
Fig. 5 is a schematic structural view of the electric cylinder control part of the present invention.
In the figure: 1-a machine tool 2-a triangular chuck 3-a workpiece 4-an electric cylinder placing rack 5-a hand wheel I6-a slide carriage a 7-a hand wheel II 8-a slide carriage b 9-a screw rod 10-a control handle 11-an electric cylinder 12-an infrared distance measuring sensor 13-a first sliding table 14-a second sliding table 15-an ultrasonic vibration device fixing seat 16-an ultrasonic generator 17-a converter 18-a collecting ring 19-an amplitude-changing rod 20-a ball head connecting rod 21-an auxiliary magnetic pole 22-a magnetic pole 23-an electric cylinder guide sleeve 24-an electric cylinder screw rod 25-an electric cylinder sleeve 26-an electric cylinder nut 27-an electric cylinder servo motor 28-an electric cylinder bearing 29-an electric cylinder reducer 30-an electric cylinder push rod.
Detailed Description
The present invention will be described in detail below, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-5, a magnetic particle grinding device for processing the inner wall of a conical part comprises a machine tool 1, an external magnetic pole device and an internal ultrasonic vibration magnetic pole device, wherein the external magnetic pole device is arranged outside a workpiece 3 and can move along the axial direction of the workpiece 3 by being driven by a first sliding table 13 on the machine tool 1; the internal ultrasonic vibration magnetic pole device is coaxial with the workpiece 3 and can drive the auxiliary magnetic pole 21 to be sent into the workpiece 3 through the second sliding table 14 on the machine tool 1.
The internal ultrasonic vibration magnetic pole device comprises an ultrasonic generator 16, a converter 17, a collecting ring 18, an amplitude transformer 19, a ball head connecting rod 20, an auxiliary magnetic pole 21 and an ultrasonic vibration device fixing seat 15, wherein the converter 17, the collecting ring 18 and the amplitude transformer 19 are installed on the ultrasonic generator 16, the auxiliary magnetic pole 21 is installed on the amplitude transformer 19 through the ball head connecting rod 20, the ultrasonic generator 16 is installed on the ultrasonic vibration device fixing seat 15, and the ultrasonic vibration device fixing seat 15 is installed on the second sliding table 14.
The external magnetic pole device comprises an electric cylinder 11 and an infrared distance measuring sensor 12, wherein the infrared distance measuring sensor 12 is arranged on a magnetic pole 22 at the end part of the electric cylinder 11.
The electric cylinder 11 comprises a magnetic pole 22, an electric cylinder screw rod 25, an electric cylinder sleeve 25, an electric cylinder nut 26, an electric cylinder push rod 30, an electric cylinder bearing 28, an electric cylinder reducer 29 and an electric cylinder servo motor 27, wherein the electric cylinder screw rod 24 is installed in the electric cylinder sleeve 25 through the electric cylinder bearing 28, the electric cylinder nut 26 is screwed on the electric cylinder screw rod 24 and can slide along the inner wall of the electric cylinder sleeve 25, one end of the electric cylinder push rod 30 is fixedly connected with the electric cylinder nut 26, the other end of the electric cylinder push rod 30 extends out of the electric cylinder sleeve 25 and is fixedly connected with the magnetic pole 22, a guide sleeve 23 is arranged between the electric cylinder push rod 30 and the electric cylinder sleeve 25, and the electric cylinder servo motor 27 is in transmission connection with the electric cylinder screw rod 24 through the electric cylinder reducer 29.
The workpiece 3 is a non-magnetic conductive metal conical pipe fitting.
The utility model discloses an outside magnetic pole device can guarantee the optimum distance between magnetic pole 22 and work piece 3 all the time under the condition that the work piece diameter changes. The internal ultrasonic vibration magnetic pole device enables the abrasive to have a more complex motion track, and the internal auxiliary magnetic pole can enhance the magnetic induction intensity to achieve a better grinding effect.
The infrared distance measuring sensor 12 installed on the magnetic pole 22 measures the distance between the magnetic pole 22 and the workpiece 3 by means of infrared signals, and then transmits instructions to the PLC controller, which serves as a position feedback device for feeding back the position of the electric cylinder push rod 30 in real time. The head of the electric cylinder push rod 30 is connected with the magnetic pole 22, and the distance between the magnetic pole 22 and the workpiece 3 is further changed through the movement of the electric cylinder push rod 30, so that the optimal grinding effect is ensured to be achieved. The PLC sends an instruction to the servo motor driver, the servo motor driver drives the electric cylinder servo motor 27 to operate according to the instruction, and the electric cylinder lead screw 24 is driven to rotate through the electric cylinder reducer 29; the electric cylinder nut 26 is positioned in the radial direction and driven by the rotation torque of the electric cylinder screw rod 24 to do reciprocating linear motion together with the electric cylinder push rod 30, the head of the electric cylinder push rod 30 is connected with the magnetic pole 22, and the distance between the magnetic pole 22 and the workpiece 3 is further changed through the motion of the electric cylinder push rod 30. Before starting machining, the optimal distance between the magnetic pole 22 and the workpiece 3 is set in advance in the PLC system according to different requirements of machining accuracy, so that both sufficient grinding pressure can be provided and over-machining can be avoided.
The ultrasonic vibration device is connected with the internal auxiliary magnetic pole 21 through the ball head connecting rod 20, and provides horizontal vibration for the auxiliary magnetic pole 21, so that the magnetic grinding material in the metal pipe workpiece 3 generates high-frequency vibration, the grinding speed is increased, meanwhile, the rolling and updating performance of the magnetic grinding particles is enhanced, the grinding efficiency is improved, and the quality of the inner surface of the metal pipe is improved.
The ultrasonic generator 16 converts an alternating current signal into an ultrasonic frequency electric oscillation signal, the transducer 17 converts the ultrasonic frequency electric oscillation signal into a same frequency mechanical oscillation signal, the mechanical oscillation signal is collected through the collecting ring 18, a tiny oscillation amplitude is amplified through the amplitude transformer 19, and finally the oscillation is transmitted to the internal auxiliary magnetic pole 21 through the ball head connecting rod 20, so that the internal auxiliary magnetic pole is radially vibrated ultrasonically, the motion track of the abrasive is more complex, the grinding effect is better, and the quality of the inner surface of the workpiece 3 is improved. Meanwhile, the rolling and updating performance of the magnetic abrasive particles is enhanced, and the self-sharpening performance of the abrasive is improved, so that the grinding efficiency is improved.
A grinding process of a magnetic particle grinding device for machining the inner wall of a conical part comprises the following specific steps:
1) fixing a processed metal pipe workpiece 3 on a machine tool 1 by using a triangular chuck, putting magnetic grinding materials into the workpiece 3, moving a first sliding table 13 to enable a magnetic pole 22 of an external magnetic pole device to be arranged at an initial grinding position of the workpiece 3, and moving a second sliding table 14 to enable an auxiliary magnetic pole 21 of an internal ultrasonic vibration magnetic pole device to enter the workpiece 3 and be opposite to the magnetic pole 22 to form a closed magnetic field;
2) the distance between the magnetic pole 22 and the outer surface of the workpiece 3 is automatically set in a PLC control system according to the precision requirement of the workpiece 3, so that the magnetic pole 22 can always keep the constant distance from the surface of the workpiece 3 after working; the amplitude generated by ultrasonic vibration is added on the auxiliary magnetic pole 21, so that the vibration frequency of the grinding material is improved under the action, the grinding material is driven to roll flexibly, the self-sharpening of the cutting edge is better completed, and the processing quality and the processing efficiency are further improved;
3) starting a motor of the machine tool 1 to realize that the triangular chuck drives the workpiece 3 to complete the rotary motion with the same rotating speed as the main shaft of the machine tool 1;
4) the slide carriage box a6 and the slide carriage box b8 move synchronously to ensure that the internal auxiliary magnetic pole 21 and the magnetic pole 22 always form a closed magnetic field to drive the magnetic grinding materials to grind;
5) the distance between the magnetic pole 21 and the workpiece 3 is measured in real time by the infrared distance measuring sensor 12, and the magnetic pole 21 can stretch and retract in the axial movement process of the conical workpiece 3 through the feedback of a measuring signal, so that the distance between the magnetic pole 21 and the surface of the workpiece 3 is ensured, and the optimal grinding effect is achieved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022340500.3U CN213702730U (en) | 2020-10-20 | 2020-10-20 | A magnetic particle grinding device for machining the inner wall of conical parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022340500.3U CN213702730U (en) | 2020-10-20 | 2020-10-20 | A magnetic particle grinding device for machining the inner wall of conical parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213702730U true CN213702730U (en) | 2021-07-16 |
Family
ID=76799266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022340500.3U Expired - Fee Related CN213702730U (en) | 2020-10-20 | 2020-10-20 | A magnetic particle grinding device for machining the inner wall of conical parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213702730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123032A (en) * | 2020-10-20 | 2020-12-25 | 辽宁科技大学 | Magnetic particle grinding device and process for machining inner wall of conical part |
-
2020
- 2020-10-20 CN CN202022340500.3U patent/CN213702730U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123032A (en) * | 2020-10-20 | 2020-12-25 | 辽宁科技大学 | Magnetic particle grinding device and process for machining inner wall of conical part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203918724U (en) | A kind of bend pipe inner surface magnetic grinding polishing machine | |
| CN208289551U (en) | A kind of quartz glass pipe internal surface ultrasound magnetic force multiple grinding device | |
| CN206614346U (en) | A kind of rotary ultrasonic magnetic abrasive finishing device | |
| CN101947749B (en) | Numerical control machine tool capable of grinding two sides of plane by dislocation self-rotation and ultrasonic vibration | |
| CN106826403A (en) | A kind of automatic fine grinding device in shaft-like workpiece outer surface | |
| CN103419111B (en) | A kind of surface finish method of workpiece automatic processing system and workpiece | |
| CN205363431U (en) | A compound polishing processingequipment of supersound magnetic force for free -form surface part | |
| CN108161599A (en) | A kind of self- steering bend pipe inner surface magnetic grinder and method | |
| CN110465711B (en) | Ultrasonic enhanced electrochemical grinding device | |
| CN205342683U (en) | Multistation hard brittle material surface grinding device | |
| CN112405128A (en) | Device and method for removing burrs at hole edges | |
| CN111266936A (en) | A kind of electromagnet composite ultrasonic magnetic grinding device and using method thereof | |
| CN205734183U (en) | A kind of hand-held bend pipe inner surface buffing machine based on magnetic finishing | |
| CN102152238A (en) | Grinding processing method and device for online grinding wheel dressing by ultrasonic vibration and | |
| CN102672549A (en) | Magnetic grinding and polishing device for large curved surface | |
| CN107234506A (en) | A kind of vertical grinder for carrying out grinding for circular workpiece to outer surface | |
| CN203210170U (en) | Grinding miller at inner surface of multi-station hole | |
| CN107953203A (en) | A kind of device and technique for being used to refine helicla flute | |
| CN115816183A (en) | Ultrasonic auxiliary bearing ring grinding device with grinding feedback adjustment and method | |
| CN213702730U (en) | A magnetic particle grinding device for machining the inner wall of conical parts | |
| CN105643463B (en) | Ultrasonic vibration cup wheel trimmer for repairing super-abrasive grinding wheel | |
| CN203109748U (en) | Grinding wheel outer diameter large-arc grinding roller base plane machine tool | |
| CN211966926U (en) | Accurate equipment of polishing of inside welding seam of pipeline | |
| CN206632769U (en) | The burnishing device of big L/D ratio internal surface of elongated tube | |
| CN109015280A (en) | Any axis variable diameter complexity bend pipe surfaces externally and internally magnetic grinder in space and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20210716 |