CN219837544U - Centrifugal polishing device for inner wall of revolving body based on force rheological polishing technology - Google Patents
Centrifugal polishing device for inner wall of revolving body based on force rheological polishing technology Download PDFInfo
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- CN219837544U CN219837544U CN202321304201.1U CN202321304201U CN219837544U CN 219837544 U CN219837544 U CN 219837544U CN 202321304201 U CN202321304201 U CN 202321304201U CN 219837544 U CN219837544 U CN 219837544U
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- 238000005498 polishing Methods 0.000 title claims abstract description 89
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 238000005119 centrifugation Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000000518 rheometry Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000007517 polishing process Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to the field of ultra-precise machining, and particularly relates to a centrifugal polishing device for an inner wall of a revolving body based on a force rheological polishing technology. The polishing device adopts a mechanical structure, the polishing process is stable and controllable, indexes such as the surface finish, flatness and planeness of a workpiece can be better improved in a shorter time, and the polished surface has high finish; the equipment required by the utility model is relatively simple and easy to obtain, the polishing cost is low, and the production cost can be effectively saved.
Description
Technical Field
The utility model belongs to the field of ultra-precise machining, and particularly relates to a centrifugal polishing device for an inner wall of a revolving body based on a force rheological polishing technology.
Background
The inner walls of a rotating shaft, a roller, turbine blades, an aircraft engine rotor, an automobile engine valve seat and the like are in the shape of a revolving body, and as a core component part of modern industrial production, the inner walls need to have higher surface quality and precision so as to ensure the normal operation and service life of the inner wall, and the inner wall is generally provided with the problems of complex inner cavity shape and difficult tool access. If the traditional surface treatment method is adopted, such as mechanical processing and chemical corrosion, the problems of low processing precision, low efficiency, environmental pollution and the like are brought.
Based on the problems, the utility model provides a centrifugal polishing device for the inner wall of a revolving body based on a force rheological polishing technology, which not only can improve the quality and the precision of the surface of a part and prolong the service life of the part, but also can reduce the processing cost and the environmental pollution, and has a positive promotion effect on promoting the development of modern industry.
Disclosure of Invention
In order to make up the defects of the prior art, the utility model provides a technical scheme of a centrifugal polishing device for the inner wall of a revolving body based on a force rheological polishing technology.
The utility model provides a gyrorotor inner wall centrifugation burnishing device based on power rheology burnishing technique, includes pivot, telescopic link installation body, telescopic link and polishing piece, the pivot is used for cooperating with motor drive, the telescopic link installation body sets up in the pivot, telescopic link flexible sliding fit is on the telescopic link installation body, the polishing piece sets up in telescopic link back pivot axle center one end to the polishing piece is located the telescopic link installation body outside, is used for polishing the work piece.
Further, the telescopic rod mounting body is provided with an inner cavity for sliding insertion of the telescopic rod.
Further, the telescopic rod installation body is of a sleeve structure, and two telescopic rods are symmetrically arranged on the telescopic rod installation body.
Further, the telescopic rod mounting body is detachably connected with the limiting piece, and when the telescopic rod extends out of the telescopic rod mounting body to the maximum stroke, the telescopic rod is blocked with the limiting piece.
Further, the telescopic rod is provided with a telescopic rod head close to one end of the axis of the rotating shaft, the outer diameter of the telescopic rod head is larger than that of the telescopic rod main body, and the telescopic rod head is used for being blocked with the limiting piece.
Further, a screw hole communicated with the inner cavity is formed in the telescopic rod mounting body, and the limiting piece is in threaded connection with the screw hole.
Further, the limiting piece is a screw.
Further, one end of the telescopic rod, which is back to the axis of the rotating shaft, is provided with a balancing weight.
Further, the polishing surface of the polishing sheet is an arc surface.
Compared with the existing polishing method, the polishing method has the advantages that:
1) The polishing device has the advantages that the mechanical structure is used, the complex inner cavity of the part can be polished, the polishing process is stable and controllable, indexes such as the surface finish, flatness and flatness of a workpiece can be better improved in a shorter time, and the polished surface has high finish;
2) The equipment required by the utility model is relatively simple and easy to obtain, the polishing cost is low, and the production cost can be effectively saved;
3) The utility model is based on the force rheological polishing technology, the surface roughness of the workpiece is greatly reduced under the action of the polishing solution, and the surface precision is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a sectional view of the present utility model in use;
FIG. 4 is a schematic view of the structure of a part polished by the present utility model.
Wherein: 1-rotating shaft, 2-telescopic rod installation body, 3-telescopic rod, 4-balancing weight, 5-workpiece, 6-base, 7-polishing piece and 8-polishing solution.
Detailed Description
In the description of the present utility model, it should be understood that the terms "one end," "the other end," "the outer side," "the upper," "the inner side," "the horizontal," "coaxial," "the center," "the end," "the length," "the outer end," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-3, a centrifugal polishing device for an inner wall of a revolving body based on a force rheological polishing technology comprises a revolving shaft 1, a telescopic rod mounting body 2, a telescopic rod 3 and a polishing sheet 7, wherein the revolving shaft 1 is matched with a motor in a transmission manner, the telescopic rod mounting body 2 is fixed at the lower end of the revolving shaft 1, the telescopic rod 3 is in telescopic sliding fit on the telescopic rod mounting body 2, the polishing sheet 7 is arranged at one end, opposite to the axis of the revolving shaft 1, of the telescopic rod 3, and the polishing sheet 7 is positioned outside the telescopic rod mounting body 2 and is used for polishing a workpiece.
With continued reference to fig. 2, the telescopic rod mounting body 2 has a sleeve structure, the middle of which is connected with the rotating shaft 1, and has an inner cavity for slidably inserting and matching the telescopic rods 3, two ends of the inner cavity are opened, and two telescopic rods 3 are symmetrically arranged at two ends of the inner cavity.
In some embodiments, the telescopic rod mounting body 2 may have a disk structure, and the number of the telescopic rods 3 and the polishing sheets 7 may be set as required.
With continued reference to fig. 2, the telescopic rod 3 is provided with a telescopic rod head 300 near one end of the axis of the rotating shaft 1, the outer diameter of the telescopic rod head 300 is larger than the outer diameter of the main body of the telescopic rod 3, the telescopic rod head 300 is just matched with the shape and the size of the inner cavity, a step structure is formed between the telescopic rod head 300 and the main body of the telescopic rod 3, a screw hole communicated with the inner cavity is formed in the side wall of the telescopic rod installation body 2, a limiting piece 9 is screwed on the screw hole, a part of the limiting piece 9 extends into the inner cavity, and when the telescopic rod 3 extends to the maximum stroke, the limiting piece 9 is blocked with the step structure, so that the telescopic rod 3 is prevented from falling off, and the telescopic rod 3 is also convenient to disassemble and assemble.
The limiting member 9 is preferably a screw.
With further reference to fig. 2, the end of the telescopic rod 3, which is away from the axis of the rotating shaft 1, is provided with a balancing weight 4.
Specifically, the telescopic rod 3 is provided with a groove, a fixing sleeve is connected to the groove, and the balancing weight 4 is placed in the groove and is fixed by the fixing sleeve. The counterweight 4 has the function of balancing and stabilizing the centrifugal polishing device, and can run more smoothly when in use.
Further, the polishing surface of the polishing sheet 7 is preferably an arc surface. In addition, the polishing sheet 7 can be replaced according to the shape of the polished surface, so that the polishing sheet 7 and the polished surface can be better attached.
Furthermore, the telescopic rod 3 is horizontally arranged, has high inclusion on the polished surface, and is suitable for the inner wall polishing of most irregular gyrorotor.
According to the utility model, the rotating shaft 1 is driven by the speed regulating motor to drive the telescopic rod mounting body 2 to rotate, the telescopic rod 3 is positioned in the telescopic rod mounting body 2, axial movement can be realized, the balancing weight 4 is arranged on the outer side of the telescopic rod 3, and when the telescopic rod mounting body 2 rotates around a fixed axis, the telescopic rod 3 is driven to extend outwards by centrifugal force, so that the polishing sheet 7 is close to a polished surface.
As shown in FIG. 1, the utility model is contracted to the minimum volume state initially, and when polishing is to be carried out, the utility model is stretched into the center position inside the revolving body, as shown in FIG. 3, a speed regulating motor is started to work.
In polishing, the polishing liquid 8 is first poured into the workpiece 5, and the polishing liquid 8 has a shear thickening effect. Then the polishing liquid 8 is extruded and lifted, the polishing sheet 7 can be attached to the inner wall of the workpiece 5 to rotate after the speed regulating motor is started, a gap of 1-2 mm is reserved between the polishing sheet 7 and the workpiece 5, and when the rotating speed reaches 200rpm, the polishing liquid 8 can be filled in the gap. Because the workpiece 5 and the polishing sheet 7 perform relative motion, a shear thickening area is formed on the contact surface between the polishing liquid 8 and the inner surface of the workpiece 5, and as shown in the partial enlarged view of fig. 3, the polishing liquid 8 in the area wraps abrasive particles therein to remove the material on the inner surface of the workpiece 5, so that the surface roughness is rapidly reduced, and meanwhile, the shape accuracy of the workpiece 5 is ensured.
The polishing device is matched with the base 6, the base 6 can be sleeved on the workpiece 5, if the workpiece 5 is provided with an opening at one end, the workpiece 5 can be fixed, and if the workpiece 5 is provided with an opening at two ends, the workpiece 5 can be sealed at one end to realize polishing.
Polishing in this embodiment is performed with specific parameters as shown in table 1.
Table 1: experimental conditions
| Diameter of work piece | 10mm |
| Workpiece material | 45 steel |
| Polishing rate | 60rpm |
| Abrasive grain | Al 2 O 3 SiC, diamond, or the like |
| Processing time | 60s |
As shown in FIG. 4, the surface roughness and the precision are greatly improved after the polishing treatment is carried out by using the polishing device. Compared with the traditional abrasive particle flow polishing technology, the polishing method has the advantage that the processing effect is greatly improved by improving the polishing method.
Table 2: processing results
In summary, in the polishing process using the polishing apparatus, the polishing liquid is used to fill and polish the surface better, so as to improve the surface roughness and precision obviously and achieve better processing effect. Meanwhile, the polishing treatment by using the polishing solution can also avoid the problems of surface defects and roughness caused by some traditional abrasive particle flow polishing methods.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. The utility model provides a gyrorotor inner wall centrifugation burnishing device based on power rheology burnishing technique, its characterized in that includes pivot (1), telescopic link installation body (2), telescopic link (3) and polishing piece (7), pivot (1) are used for cooperating with motor drive, telescopic link installation body (2) set up on pivot (1), telescopic link (3) flexible sliding fit is on telescopic link installation body (2), polishing piece (7) set up in telescopic link (3) back pivot (1) axle center one end to polishing piece (7) are located telescopic link installation body (2) outside, are used for polishing the work piece.
2. The centrifugal polishing device for the inner wall of the revolving body based on the force rheological polishing technology according to claim 1, wherein the telescopic rod mounting body (2) is provided with an inner cavity for sliding insertion of a telescopic rod (3).
3. The centrifugal polishing device for the inner wall of the revolving body based on the force rheological polishing technology according to claim 2, wherein the telescopic rod mounting body (2) is of a sleeve structure, and two telescopic rods (3) are symmetrically arranged on the telescopic rod mounting body.
4. The centrifugal polishing device for the inner wall of the revolving body based on the force rheological polishing technology according to claim 2, wherein the telescopic rod mounting body (2) is detachably connected with a limiting piece (9), and when the telescopic rod (3) extends out of the telescopic rod mounting body (2) to the maximum stroke, the telescopic rod mounting body is blocked with the limiting piece (9).
5. The centrifugal polishing device for the inner wall of the revolving body based on the force rheological polishing technology according to claim 4, wherein a telescopic rod head (300) is arranged at one end, close to the axis of the rotating shaft (1), of the telescopic rod (3), the outer diameter of the telescopic rod head (300) is larger than that of the main body of the telescopic rod (3), and the telescopic rod head (300) is used for being in blocking connection with the limiting piece (9).
6. The centrifugal polishing device for the inner wall of the revolving body based on the force rheological polishing technology according to claim 4, wherein the telescopic rod mounting body (2) is provided with a screw hole communicated with the inner cavity, and the limiting piece (9) is screwed on the screw hole.
7. The centrifugal polishing device for the inner wall of the revolving body based on the force rheological polishing technology according to claim 6, wherein the limiting piece (9) is a screw.
8. The centrifugal polishing device for the inner wall of the revolving body based on the force rheological polishing technology according to claim 1, wherein one end of the telescopic rod (3) back to the axle center of the rotating shaft (1) is provided with a balancing weight (4).
9. The centrifugal polishing device for the inner wall of the revolving body based on the force rheological polishing technology according to claim 1, wherein the polishing surface of the polishing sheet (7) is an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304201.1U CN219837544U (en) | 2023-05-26 | 2023-05-26 | Centrifugal polishing device for inner wall of revolving body based on force rheological polishing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304201.1U CN219837544U (en) | 2023-05-26 | 2023-05-26 | Centrifugal polishing device for inner wall of revolving body based on force rheological polishing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219837544U true CN219837544U (en) | 2023-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321304201.1U Active CN219837544U (en) | 2023-05-26 | 2023-05-26 | Centrifugal polishing device for inner wall of revolving body based on force rheological polishing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219837544U (en) |
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2023
- 2023-05-26 CN CN202321304201.1U patent/CN219837544U/en active Active
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