CN220094154U - Countersink plane polishing device - Google Patents
Countersink plane polishing device Download PDFInfo
- Publication number
- CN220094154U CN220094154U CN202321044650.7U CN202321044650U CN220094154U CN 220094154 U CN220094154 U CN 220094154U CN 202321044650 U CN202321044650 U CN 202321044650U CN 220094154 U CN220094154 U CN 220094154U
- Authority
- CN
- China
- Prior art keywords
- polishing
- spot facing
- rotating shaft
- positioning
- diameter
- 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.)
- Active
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 97
- 230000003287 optical effect Effects 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007517 polishing process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses a spot facing plane polishing device, which relates to the technical field of spot facing equipment and comprises a polishing sheet, a rotating shaft and a positioning column, wherein the polishing sheet is arranged in the middle of the rotating shaft, the bottom end of the rotating shaft is rotationally connected with the positioning column, the lower end surface of the polishing sheet is provided with an annular polishing area, the outer diameter of the polishing area is larger than or equal to the diameter of the spot facing plane, the inner diameter of the polishing area is smaller than or equal to the diameter of a base hole where the spot facing plane is located, and the positioning column is matched with the base hole where the spot facing plane is located. The utility model can improve the polishing effect and the polishing accuracy of the spot facing surface.
Description
Technical Field
The utility model relates to the technical field of spot facing equipment, in particular to a spot facing plane polishing device.
Background
The operation of machining a cylindrical countersink, the end face of the boss, on the machined hole is called countersinking. The machined holes are called basic holes. The tool used in reaming is called a reamer. The cutter is easy to generate vibration marks on the countersink plane due to vibration, so that the processing quality is reduced.
In order to reduce the roughness of the spot facing surface, it is necessary to polish the spot facing surface. At present, polishing sheets are used for polishing the spot facing surfaces. When the size of the polishing sheet is too small, new marks are easily formed at the joint of two adjacent polished areas, so that the polished spot facing plane is not smooth, and the polishing effect is reduced. When the size of the polishing sheet is exactly matched with the size of the spot facing surface, other parts are easily polished without attention, so that the polishing accuracy is reduced.
Therefore, how to improve the polishing effect and polishing accuracy of the countersink plane is a technical problem to be solved currently.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the countersink plane polishing device which can improve the polishing effect and the polishing accuracy of the countersink plane.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a spot facing surface grinding device, includes polishing piece, rotation axis, reference column, and the middle part of rotation axis is equipped with polishing piece, and the bottom rotation of rotation axis is connected with the reference column, and polishing piece's lower terminal surface is equipped with annular region of polishing, and polishing region's external diameter is greater than or equal to spot facing surface's diameter, and polishing region's internal diameter is less than or equal to spot facing surface's basic hole's diameter, and the reference column cooperates with spot facing surface's basic hole.
Further, the bottom cover of rotation axis is equipped with the bearing, the middle part of reference column is equipped with the locating hole, the outer lane and the locating hole interference fit of bearing.
Further, the bottom of rotation axis is equipped with first location shaft shoulder and draw-in groove, and the draw-in groove is located the below of first location shaft shoulder, is equipped with the jump ring in the draw-in groove, the bearing is located between jump ring and the first location shaft shoulder.
Further, the middle part of the rotation shaft is provided with a second positioning shaft shoulder and external threads, the external threads are arranged above the second positioning shaft shoulder, the external threads in the middle part of the rotation shaft are matched with the nuts, and the polishing sheet is clamped between the second positioning shaft shoulder and the nuts.
Further, a gasket is sleeved on the rotating shaft and arranged between the polishing piece and the nut.
Further, an optical axis is arranged at the top end of the rotating shaft and is connected with an electric drill through an electric drill chuck.
The utility model has the beneficial effects that:
1. in this device, because the reference column can rotate with the rotation axis to be connected, so after the reference column is packed into basic downthehole, the reference column can not follow the rotation axis and rotate for the reference column can not hurt the excircle of basic downthehole, and the reference column can fix a position the position of rotation axis and polished wafer, lets the annular on the polished wafer polish the region with countersink plane coaxial.
Because the annular polishing area on the polishing sheet is coaxial with the spot facing surface, and the outer diameter of the polishing area is larger than or equal to the diameter of the spot facing surface, the inner diameter of the polishing area is smaller than or equal to the diameter of the foundation hole. Therefore, on one hand, the polishing sheet can be accurately positioned, and the polishing sheet is prevented from shifting in the polishing process, so that the polishing sheet is prevented from being polished to other parts, and the polishing accuracy is improved.
On the other hand, the polishing area on the polishing sheet can completely cover the spot facing plane, so that new marks caused in the polishing process due to undersize of the polishing sheet are avoided, and the polishing effect on the spot facing plane is improved.
2. In this device, the setting of first location shaft shoulder and draw-in groove and jump ring can make the bearing can the dismouting on the rotation axis to change not unidimensional reference column, go to match the diameter of the basic hole that the countersink plane was located, improved the flexibility of use of this device.
3. In this device, the setting of second location shaft shoulder and external screw thread and nut can make things convenient for the dismouting of polishing piece on the rotation axis, is favorable to improving the dismouting efficiency and the change efficiency of polishing piece, in addition, also is convenient for change the polishing piece of equidimension, goes to match the countersink plane of different specifications, has further improved the flexibility of use of this device.
4. In this device, the setting of optical axis can conveniently connect the electric drill through the electric drill chuck to utilize the electric drill drive rotation axis to rotate, let the rotatory countersink plane of polishing of epaxial polishing piece, labour saving and time saving.
Drawings
FIG. 1 is a perspective view of a rotating shaft;
FIG. 2 is a second perspective view of the rotating shaft;
FIG. 3 is an assembled perspective view of a rotating shaft and bearings;
FIG. 4 is an assembled perspective view of the rotating shaft and bearings and positioning posts;
FIG. 5 is a front view of the spot facing flat grinding apparatus;
FIG. 6 is a perspective view of a spot facing flat grinding apparatus;
FIG. 7 is a second perspective view of the spot facing flat grinding apparatus;
FIG. 8 is a schematic illustration of the use of a spot facing flat grinding apparatus;
fig. 9 is a second schematic view of the use of the spot facing flat grinding apparatus.
Reference numerals illustrate:
1-polishing sheet, 101-polishing area,
2-a rotating shaft, 201-a first positioning shaft shoulder, 202-a clamping groove, 203-a second positioning shaft shoulder, 204-an external thread, 205-an optical axis,
3-positioning columns, 301-positioning holes,
4-a snap spring,
a 5-bearing, wherein the bearing is provided with a bearing,
a 6-nut, which is provided with a nut,
7-a gasket.
Detailed Description
For a better understanding of the present utility model, the present utility model is further described below with reference to the accompanying drawings. It is noted that in the description of the present utility model, the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples:
as shown in figures 1-7, the spot facing surface polishing device comprises a polishing sheet 1, a rotating shaft 2 and a positioning column 3.
As shown in fig. 1-3, the bottom end of the rotating shaft 2 is provided with a first positioning shaft shoulder 201 and a clamping groove 202, and the clamping groove 202 is arranged below the first positioning shaft shoulder 201. The clamping groove 202 is internally provided with a clamping spring 4. The rotating shaft 2 is sleeved with a bearing 5 at the part of the clamp spring 4 and the first positioning shaft shoulder 201. As shown in fig. 4, the outer ring of the bearing 5 is in interference fit with the positioning hole 301 in the middle of the positioning column 3, so that the rotating shaft 2 and the positioning column 3 can rotate relatively.
As shown in fig. 1-2 and fig. 5-6, a second positioning shaft shoulder 203 and an external thread 204 are provided in the middle of the rotating shaft 2, and the external thread 204 is provided above the second positioning shaft shoulder 203. After the polishing sheet 1 is sleeved on the top end of the rotating shaft 2, the nut 6 is sleeved on the top end of the rotating shaft 2, and the nut 6 is screwed downwards along the external thread 204, so that the polishing sheet 1 is locked on the second positioning shaft shoulder 203 by the nut 6, and at the moment, the polishing sheet 1 is clamped by the nut 6 and the second positioning shaft shoulder 203.
As shown in fig. 5-6, in order to reduce the pressure of the nut 6 on the polishing sheet 1, a gasket 7 may be sleeved before the nut 6 is sleeved on the top end of the rotating shaft 2, where the gasket 7 can increase the contact area between the nut 6 and the polishing sheet 1, so as to be beneficial to reducing the pressure of the nut 6 on the polishing sheet 1.
As shown in fig. 5 to 7, the lower end surface of the polishing sheet 1 is provided with an annular polishing area 101, the outer diameter of the polishing area 101 is larger than or equal to the diameter of the spot facing plane, and the inner diameter of the polishing area 101 is smaller than or equal to the diameter of the foundation hole.
As shown in fig. 8, when the countersink plane refers to the hole bottom surface of the cylindrical countersink machined on the foundation hole, the outer diameter of the ground area 101 of the polishing sheet 1 is equal to the diameter of the hole bottom surface of the cylindrical countersink, and the inner diameter of the ground area 101 is equal to or smaller than the diameter of the foundation hole.
As shown in fig. 9, when the spot facing surface refers to the boss end surface machined on the base hole, the outer diameter of the polished area 101 of the polishing sheet 1 is equal to or larger than the diameter of the boss end surface, and the inner diameter of the polished area 101 is equal to or smaller than the diameter of the base hole.
The operation when using this device to polish for countersink plane is: (1) The worker loads the positioning column 3 into the foundation hole where the spot facing plane is located. (2) The workman rotates rotation axis 2, and rotation axis 2 drives polishing piece 1, gasket 7, nut 6 and rotates together, and the countersink plane is polished to pivoted polishing piece 1, but one shot rotary shaping guarantees that the surface of polishing is level and smooth.
Further, as shown in fig. 1-7, in order to facilitate rotating the rotating shaft 2, an optical axis 205 is provided at the top end of the rotating shaft 2, and the optical axis 205 may be connected with an electric drill through an electric drill chuck, so that the electric drill may be used to drive the rotating shaft 2 to rotate, so that the polishing sheet 1 on the rotating shaft 2 rotates to polish the spot facing surface, thereby saving time and labor.
In this device, because reference column 3 can pass through bearing 5 normal running fit with rotation axis 2, so after reference column 3 packs into basic downthehole, reference column 3 can not follow rotation axis 2 and rotate for reference column 3 can not hurt the excircle of basic downthehole, and reference column 3 can fix a position the position of rotation axis 2 and polishing piece 1, lets annular polishing area 101 on polishing piece 1 coaxial with the countersink plane.
Since the annular polishing area 101 on the polishing sheet 1 is concentric with the spot facing surface, and the outer diameter of the polishing area 101 is greater than or equal to the diameter of the spot facing surface, the inner diameter of the polishing area 101 is less than or equal to the diameter of the foundation hole. Therefore, on one hand, the polishing sheet 1 can be accurately positioned, and the polishing sheet 1 is prevented from shifting in the polishing process, so that the polishing sheet 1 is prevented from polishing other parts, and the polishing accuracy is improved.
On the other hand, the polishing area 101 on the polishing sheet 1 can completely cover the spot facing plane, so that new marks caused in the polishing process due to undersize of the polishing sheet 1 are avoided, and the polishing effect on the spot facing plane is improved.
In addition, in this device, the setting of first location shaft shoulder 201 and draw-in groove 202 and jump ring 4 can make bearing 5 can the dismouting on rotation axis 2 to change not unidimensional reference column 3, go the diameter of the basic hole that matches the countersink plane place, improved the flexibility of use of this device.
In this device, the setting of second location shoulder 203 and external screw thread 204 and nut 6 can make things convenient for the dismouting of polishing piece 1 on rotation axis 2, is favorable to improving the dismouting efficiency and the change efficiency of polishing piece 1, in addition, also is convenient for change polishing piece 1 of equidimension, goes to match the countersink plane of different specifications, has further improved the flexibility of use of this device.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The utility model provides a spot facing plane grinding device, includes polishing piece, its characterized in that still includes rotation axis and reference column, and the middle part of rotation axis is equipped with polishing piece, and the bottom rotation of rotation axis is connected with the reference column, and polishing piece's lower terminal surface is equipped with annular region of polishing, and polishing region's external diameter is greater than or equal to spot facing plane's diameter, and polishing region's internal diameter is less than or equal to spot facing plane's diameter of basic hole, and the reference column cooperates with spot facing plane's basic hole.
2. The spot facing surface polishing device according to claim 1, wherein a bearing is sleeved at the bottom end of the rotating shaft, a positioning hole is formed in the middle of the positioning column, and an outer ring of the bearing is in interference fit with the positioning hole.
3. The spot facing surface polishing device according to claim 2, wherein the bottom end of the rotating shaft is provided with a first positioning shaft shoulder and a clamping groove, the clamping groove is arranged below the first positioning shaft shoulder, a clamping spring is arranged in the clamping groove, and the bearing is arranged between the clamping spring and the first positioning shaft shoulder.
4. The spot facing flat grinding device according to claim 1, wherein the middle part of the rotating shaft is provided with a second positioning shaft shoulder and an external thread, the external thread is arranged above the second positioning shaft shoulder, the external thread in the middle part of the rotating shaft is matched with the nut, and the polishing sheet is clamped between the second positioning shaft shoulder and the nut.
5. The spot facing flat surface grinding device as defined in claim 4, wherein a spacer is provided on the rotating shaft, the spacer being disposed between the polishing sheet and the nut.
6. The spot facing surface grinding device of claim 1, wherein the top end of the rotating shaft is provided with an optical axis, and the optical axis is connected with the electric drill through the electric drill chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321044650.7U CN220094154U (en) | 2023-04-26 | 2023-04-26 | Countersink plane polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321044650.7U CN220094154U (en) | 2023-04-26 | 2023-04-26 | Countersink plane polishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220094154U true CN220094154U (en) | 2023-11-28 |
Family
ID=88882723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321044650.7U Active CN220094154U (en) | 2023-04-26 | 2023-04-26 | Countersink plane polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220094154U (en) |
-
2023
- 2023-04-26 CN CN202321044650.7U patent/CN220094154U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202367546U (en) | Universally-adjustable cutting tool grinding fixture | |
| CN102962489A (en) | Large support plate elastic hole drilling machine and use method thereof | |
| CN111283233B (en) | Floating chuck and method for machining holes by using same | |
| CN107186546B (en) | Round flange drilling indexing device and application thereof | |
| CN112192161A (en) | Machining method for shaft boss shell parts | |
| CN203738062U (en) | Eccentric bushing machining device with included angle between hole axis and external circle axis | |
| CN208437692U (en) | Knife tower crane structure for full machining type lathe | |
| CN220094154U (en) | Countersink plane polishing device | |
| CN206484279U (en) | Long-axle workpieces support frame | |
| CN209062594U (en) | A kind of milling shaft end slot fixture | |
| CN208451272U (en) | A kind of omnipotent groover | |
| CN210938403U (en) | Negative chamfering machining clamp for cutter | |
| CN105458763A (en) | Work fixture on machining center and used when to-be-machined board planes and working table form angles | |
| CN205201221U (en) | Deep hole bistrique | |
| CN110712075A (en) | Negative chamfering machining clamp for cutter and using method of negative chamfering machining clamp | |
| CN213647151U (en) | Clamp for machining wind power gearbox shell | |
| CN210412610U (en) | Internal expansion type multifunctional indexing chuck | |
| CN211662380U (en) | Wafer cutting machine with adjustable vacuum chuck | |
| CN204075280U (en) | A kind of expansion broach(ing) machine of machining shaft | |
| CN208841046U (en) | A kind of fixture for pivoting support polar coordinates drilling machine | |
| CN205520799U (en) | End -face grinding structure of boss formula work piece | |
| CN104858469A (en) | Machining device for eccentric sleeve with included angle between hole axis and excircle axis | |
| CN216298971U (en) | Grinding mechanism for planar sealing surface on any structure | |
| CN104493701A (en) | Planar rotary worktable of headstock device | |
| CN204748086U (en) | Boring special fixture and radial drill in sleeve part surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |