CN202684650U - Pressurization type magnetic grinding and polishing device - Google Patents
Pressurization type magnetic grinding and polishing device Download PDFInfo
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- CN202684650U CN202684650U CN 201220296263 CN201220296263U CN202684650U CN 202684650 U CN202684650 U CN 202684650U CN 201220296263 CN201220296263 CN 201220296263 CN 201220296263 U CN201220296263 U CN 201220296263U CN 202684650 U CN202684650 U CN 202684650U
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- guide
- knife
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Abstract
The utility model discloses a pressurization type magnetic grinding and polishing device. On the basis of the conventional magnetic grinding process, the normal pressure of a magnetic pole on a workpiece is increased, the efficiency of grinding and polishing can be improved, and the uniform surface quality is obtained. The pressurization type magnetic grinding and polishing device comprises a knife handle, wherein the knife handle and a guiding sleeve are fixed through fastening bolts. A guiding shaft and the guiding sleeve are matched through a guiding spline, are limited in the circumferential direction, but are allowed to slide freely in the axial direction. The lower end of the guiding shaft is connected with the magnetic pole through a connecting rod and a coupler. The upper end of the guiding shaft is provided with a coiled spring, a regulation spacer, an elastic collar and a spacing ring, and pressurization is realized through the precompression of the coiled spring by the workpiece. The pressurization type magnetic grinding and polishing device disclosed by the utility model has high processing efficiency and a simple structure, and is convenient to install; and the device can be directly connected with various machining units or devices. The device can be widely used for the finishing of various flat surfaces and curved surfaces, and is particularly suitable for the efficient grinding and polishing of the flat surfaces and curved surfaces with high hardness and large original roughness values.
Description
Technical field
The utility model relates to grinding and polishing device, especially a kind of boosting type magnetic grinding burnishing device.
Background technology
Existing Magnetic Force Grinding Technology is with adding magnetically grinding particle and lapping liquid between magnetic pole and the workpiece, and because of magnetic fields, the magnetically grinding particle is magnetized to the magnetic force brush pressure and is attached to surface of the work.Along with the relative motion between magnetic pole and the workpiece, the magnetically grinding particle reaches the grinding and polishing purpose to friction of workpiece, extruding.Because of magnetic force brush and workpiece flexible contact, can not bring damage to surface of the work, but the form accuracy that also causes surface of the work is difficult to improve, and working (machining) efficiency also more traditional machining is much lower, during especially for the higher grinding tool steel of hardness, steel alloy, significantly promote process time, even can't process.
Summary of the invention
The utility model provides a kind of boosting type magnetic grinding burnishing device, can carry out the high-efficient grinding polishing to plane, curved surface etc., finally obtains uniform surface quality.
The boosting type magnetic grinding burnishing device that the utility model provides is made of following parts:
Handle of a knife (1), fairlead (10), fastening bolt (11), fairlead (10) rely on fastening bolt (11) and handle of a knife (1) fixing.The axis of guide (9) cooperates with fairlead (10).Spacing back-up ring (5) is fixed on the upper end of the axis of guide (9) by circlip (4).Be equipped with and regulate pad (3) at shaft shoulder place, the axis of guide (9) upper end, between adjusting pad (3) and handle of a knife (1) helical spring (2) is housed.The lower end of the axis of guide (9) is connected 8 with shaft coupling (7) with magnetic pole by connecting rod (6)) be connected.
Described handle of a knife (1) is general handle of a knife type, is installed on the main shaft of numerical control machine tool.
Described guide post (9) and fairlead (10) are for ball spline connects, and guide post (9) slides in fairlead (10) vertically.
The boosting type magnetic grinding burnishing device that the utility model provides, its magnetic pole (8) adopts by strong magnetic material and makes moulding, and can be processed with multiple shape groove in magnetic pole (8) bottom, can be with the Distribution of Magnetic Field gradient distribution, optimize Distribution of Magnetic Field, be conducive to improve plane and curved surface magnetic grinding polishing efficiency and quality.Handle of a knife (1) can be installed in machine tool chief axis or multi-axis machine robot end, and drives rotation by main shaft or multi-axis robot.Fastening bolt (11) is fixing with handle of a knife (1) and fairlead (10), and rotatablely moving of handle of a knife (1) can be passed to fairlead (10).Fairlead (10) cooperates with the axis of guide (9) by ball spline, and will rotatablely move by the axis of guide (9), connecting rod (6) and shaft coupling (7) and deliver to magnetic pole (8).Magnetic pole (8) is for strong magnetic material processes, and its shape and structure can be polytype, and material properties, exterior appearance and requirement on machining accuracy etc. that specifically can reference work object design.Magnetic pole (8) lower end absorption magnetic abrasive and lapping liquid mixture under the effect in magnetic field, carry out grinding and polishing to surface of the work.Described spacing back-up ring has played the axial limiting effect to the axis of guide (9), can prevent that the axis of guide (9) from deviating from fairlead (10) downwards.
The boosting type magnetic grinding burnishing device that the utility model provides and existing same device compare, and its significant beneficial effect is embodied in:
This device can be installed on main shaft of numerical control machine tool or multi-freedom robot end, when workpiece being carried out the magnetic grinding polishing, can apply normal pressure to workpiece.This pressure can significantly improve magnetic grinding and polishing efficiency, and can effectively improve the surface of the work form accuracy.This pressure can be preset, and can carry out dynamically regulating in real time to pressure by the gap between modifier and the workpiece.Can also adjust magnetite specification, pole form, machining gap, the speed of mainshaft, abrasive material analogy and proportioning etc.
The utlity model has the advantages such as volume is little, simple in structure, working (machining) efficiency is high, easy for installation, boost pressure is easy to adjust; Adopt Knife handle structure, conveniently be connected with various processing equipment or device, versatility is good; This device can cooperate with robot or numerical control device after the precompression setting is complete, under the prerequisite of breaking working, by changing handle of a knife and workpiece gap, does not obtain different surface accuracies; The abrasive polishing process that cooperates with this device heats up less, and surface of the work is difficult for forming metamorphic layer.
Description of drawings
Fig. 1 is boosting type magnetic grinding burnishing device overall structure schematic diagram.
Fig. 2 is roughness comparison diagram before and after embodiment processes.
Be denoted as among the figure:
The 1-handle of a knife; The 2-helical spring; 3-regulates pad; The 4-circlip; The spacing back-up ring of 5-; The 6-connecting rod; The 7-shaft coupling; The 8-magnetic pole; The 9-axis of guide; The 10-fairlead; The 11-fastening bolt.
The specific embodiment
As shown in Figure 1, the concrete structure of boosting type magnetic grinding burnishing device is as follows: handle of a knife 1, and its upper end is general tubular type handle of a knife shape, diameter is 20mm, by the clamping of CNC milling machine main shaft anchor clamps, and is rotated by main shaft drives.Handle of a knife 1 material is metallic aluminium, i.e. magnetic conduction not can reduce again the weight of whole device.Fairlead 10 is fixing with handle of a knife 1 by fastening bolt 11, fairlead 10 also with the axis of guide 9 by ball guiding spline joint, the external splines number of the axis of guide 9 is six, in each spline ball is housed, ball cooperates with fairlead 10 inner spline grooves, limited rotatablely moving of the axis of guide 9, but the axis of guide 9 can be free to slide along axis fairlead 10 is interior.Fairlead 10 is delivered to the axis of guide 9 with rotatablely moving of handle of a knife 1.The axis of guide 9 lower ends are fixing by M8 screw thread and connecting rod 6.Shaft coupling 7 links to each other connecting rod 6 with magnetic pole 8, and rotatablely moving of handle of a knife is delivered to magnetic pole 8 the most at last, and magnetic pole 8 diameters are 12mm, and the lower end radius of corner is 2.5mm, is made by strong magnetic material rubidium iron boron.The spacing back-up ring 5 and the circlip 4 that are contained in the axis of guide 9 tops can prevent that the axis of guide 9 from skidding off in fairlead, the axis of guide has been played effect to lower limit.When magnetic pole surfaces has been adsorbed magnetic particle and lapping liquid etc. and begin that surface of the work carried out grinding and polishing, if reduce the gap of handle of a knife 1 and workpiece, then the adjusting pad 3 of shaft shoulder place, the axis of guide 9 top installation will make helical spring 2 compressed, thereby realize the supercharging to surface of the work, reach the purpose that improves working (machining) efficiency.The gauge of regulating pad 3 is respectively 1mm, 2mm and 3mm, and it is a plurality of that every kind of size has, and can be combined into sizes.Helical spring spring silk employing diameter is that the 65Mn material of 1.6mm is made, and central diameter is 20mm, and number of total coils is 6.5 circles.
Grinding tool steel plane is processed magnetic pole rotating speed 800r/min by this device of Milling Motion in Three-axes NC main shaft drives; The employing magnetic abrasive is sintered abrasive grain (iron and alundum (Al2O3)) 60 orders, and quality is 7g; 300kPa initially exerts pressure; The traverse feed speed of main shaft is 10mm/min; Adopt water-soluble abrasive liquid; Process after 2 minutes, as shown in Figure 2, the mean value of the surface roughness Ra of workpiece is 0.11 by 1.48 values of being down to 0.13, Ra Minimum Area.
Claims (3)
1. boosting type magnetic grinding burnishing device is characterized in that this device is made of following parts:
Handle of a knife (1), fairlead (10), fastening bolt (11), fairlead (10) relies on fastening bolt (11) and handle of a knife (1) fixing, the axis of guide (9) cooperates with fairlead (10), spacing back-up ring (5) is fixed on the upper end of the axis of guide (9) by circlip (4), be equipped with and regulate pad (3) at shaft shoulder place, the axis of guide (9) upper end, between adjusting pad (3) and handle of a knife (1) helical spring (2) is housed, the lower end of the axis of guide (9) is connected 8 with shaft coupling (7) with magnetic pole by connecting rod (6)) be connected.
2. boosting type magnetic grinding burnishing device according to claim 1 is characterized in that handle of a knife (1) wherein is general handle of a knife type, is installed on the main shaft of numerical control machine tool.
3. boosting type magnetic grinding burnishing device according to claim 1 is characterized in that wherein the axis of guide (9) and fairlead (10) for ball spline connects, and the axis of guide (9) slides in fairlead (10) vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220296263 CN202684650U (en) | 2012-06-21 | 2012-06-21 | Pressurization type magnetic grinding and polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220296263 CN202684650U (en) | 2012-06-21 | 2012-06-21 | Pressurization type magnetic grinding and polishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202684650U true CN202684650U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220296263 Expired - Fee Related CN202684650U (en) | 2012-06-21 | 2012-06-21 | Pressurization type magnetic grinding and polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202684650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141919A (en) * | 2016-08-22 | 2016-11-23 | 郑州磨料磨具磨削研究所有限公司 | Emery wheel clamping mechanism and use the wheel dresser of this clamping mechanism |
-
2012
- 2012-06-21 CN CN 201220296263 patent/CN202684650U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141919A (en) * | 2016-08-22 | 2016-11-23 | 郑州磨料磨具磨削研究所有限公司 | Emery wheel clamping mechanism and use the wheel dresser of this clamping mechanism |
| CN106141919B (en) * | 2016-08-22 | 2018-10-23 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel clamping mechanism and the wheel dresser for using the clamping mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20140621 |
|
| EXPY | Termination of patent right or utility model |