CN219805879U - Grinding rod - Google Patents
Grinding rod Download PDFInfo
- Publication number
- CN219805879U CN219805879U CN202320393657.3U CN202320393657U CN219805879U CN 219805879 U CN219805879 U CN 219805879U CN 202320393657 U CN202320393657 U CN 202320393657U CN 219805879 U CN219805879 U CN 219805879U
- Authority
- CN
- China
- Prior art keywords
- grinding
- pressing plate
- rod
- sleeve
- bolt
- 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
- 238000003825 pressing Methods 0.000 claims description 23
- 238000003860 storage Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The utility model discloses a grinding rod, which comprises a taper fit grinding sleeve, a core rod and a locking assembly for locking the grinding sleeve and the core rod with each other, wherein an expansion joint extending from the bottom end to the top end is formed on the whole body of the grinding sleeve, and when the grinding sleeve and the core rod move relatively along the axial direction, the outer circle size of the grinding sleeve is enlarged or reduced, so that the grinding diameter of the grinding rod can be freely adjusted.
Description
Technical Field
The utility model relates to the technical field of grinding members, in particular to a grinding rod.
Background
In the manufacturing process of the oil distribution shaft hole of the military aluminum alloy shell, the requirement on the matching precision of the shell hole is high, a grinding rod is needed to grind the shell hole, the smoothness and cylindricity are improved, the size requirement of the shell hole is phi 80 (0- +0.03) mm, the cylindricity is 0.005, and the requirement on the grinding diameter of the grinding rod is extremely high due to the fact that the coaxiality phi of the A standard is 0.04.
The grinding diameter of the existing grinding rod is not adjustable, and during use, the suitability of the grinding rod cannot be adjusted according to the caliber of a shell hole to be machined, so that the machining precision of the shell hole is easily affected.
Disclosure of Invention
The utility model aims to provide a grinding rod, which solves the problems that the grinding rod in the prior art cannot carry out adaptability adjustment according to the caliber of a shell hole to be processed, and the processing precision of the shell hole is affected.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a grinding rod, includes taper fit's grinding cover and plug and is used for with grind the cover with locking component of mutual locking between the plug, grind the cover on the whole body and seted up the expansion joint that extends to the top from the bottom, when grind the cover with along axial relative movement between the plug, grind the cover excircle size and enlarge or shrink.
As a further scheme of the utility model: a plurality of grinding areas are arranged on the outer circumferential surface of the grinding sleeve at intervals, and adjacent grinding areas are separated by an axial groove 12.
As a further scheme of the utility model: the locking assembly comprises an upper pressing plate, a lower supporting plate and bolts, wherein the upper pressing plate and the lower supporting plate are respectively arranged at the upper end and the lower end of the grinding sleeve, the bolts are used for connecting the upper pressing plate with the core rod, mounting holes are formed in the middle of the upper pressing plate, first threaded holes matched with the threads of the core rod are formed in the middle of the lower supporting plate, the core rod comprises a cone portion, a connecting rod portion and a joint portion, the cone portion is arranged in the grinding sleeve, the tail end of the cone portion is located through the cone portion, the connecting rod portion extends out of the grinding sleeve, the joint portion is located at the tail end of the connecting rod portion, second threaded holes are formed in the top end of the cone portion, and the bolts penetrate through the mounting holes and the second threaded holes.
As a further scheme of the utility model: the mounting hole is at least partially a threaded hole section adapted to the bolt.
As a further scheme of the utility model: the bolt is the hexagon socket head cap screw, the mounting hole is the shoulder hole, including being located screw hole section and the storage hole section that is located the top of below, the diameter of storage hole section is greater than screw hole section, the bolt head of bolt is located in the storage hole section.
As a further scheme of the utility model: the inner side of the upper edge opening of the grinding sleeve is provided with an annular groove, the upper pressing plate is disc-shaped, and the edge of the upper pressing plate is buckled in the annular groove.
The utility model has the beneficial effects that: the size of the outer circle of the grinding sleeve is finely adjusted through the taper of the matching part of the grinding sleeve and the core rod, so that the grinding diameter of the grinding rod can be freely adjusted, and the grinding sleeve and the core rod are locked through the locking assembly so as to be used for locking the grinding diameter.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the grinding sleeve of the present utility model;
fig. 3 is a cross-sectional view of fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model is a grinding rod, which includes a taper fit grinding sleeve 1 and a core rod 2, and a locking assembly 3 for locking the grinding sleeve 1 and the core rod 2 to each other.
Specifically, referring to fig. 1 and 3, the grinding sleeve 1 has a certain elasticity, so that the diameter of the outer circle of the grinding sleeve 1 is ensured to be slightly changed under the action of the core rod 2. The upper end and the lower end of the grinding sleeve 1 are provided with openings, the grinding sleeve is provided with an outer circumferential surface which is a circular cylindrical surface and an inner surface which is a conical surface, and a plurality of grinding areas 11 which are distributed at intervals along the circumferential direction are arranged on the outer circumferential surface and can be used for grinding and polishing part holes. The adjacent grinding areas 11 are separated by the axial grooves 12, so that the service life of the grinding sleeve 1 is prolonged. The inner surface is in taper fit with the outer surface of the core rod 2, and the caliber formed by the inner surface is reduced from the bottom end to the top end. The whole body of the grinding sleeve 1 is provided with an expansion joint 13 extending from the bottom end to the top end, so that the outer circle diameter of the grinding sleeve 1 can be changed along with the relative movement between the grinding sleeve 1 and the core rod 2 along the axial direction, and the grinding diameter of the grinding rod 10 can be freely adjusted. The locking component 3 is used for locking the outer circle diameter of the grinding sleeve 1 (namely the grinding diameter of the grinding rod 10) so as to avoid the relative position change between the grinding sleeve 1 and the core rod 2 after adjustment.
In this embodiment, referring to fig. 2, the locking assembly 3 includes an upper platen 31 and a lower platen 32 respectively disposed at the upper and lower ends of the grinding sleeve 1, and a bolt 33 connecting the upper platen 31 with the core rod 2. The middle part of the upper pressing plate 31 is provided with a mounting hole 311, and the middle part of the lower supporting plate 32 is provided with a first threaded hole 321 which is in threaded fit with the core rod 2. The core rod 2 includes a tapered portion 21 located in the grinding sleeve 1, a connecting rod portion 22 located at the rear end of the tapered portion 21, and a joint portion 23 located at the rear end of the connecting rod portion 22. The second threaded hole 211 is formed in the top end of the cone portion 21, the bolt 33 penetrates through the mounting hole 311 to be in threaded fit with the second threaded hole 211, and the connecting rod portion 22 penetrates through the first threaded hole 321 to extend to the outside of the grinding sleeve 1, so that the upper pressing plate 31 and the lower supporting plate 32 can be connected with the core rod 2 to lock the core rod 2 and the grinding sleeve 1. The space between the upper pressing plate 31 and the lower supporting plate 32 can be changed in adaptability according to the change of the diameter of the outer circle of the grinding sleeve 1. In this embodiment, the joint portion 23 may be adapted to a rotation mechanism (not shown), so that the polishing rod 10 is driven by the rotation mechanism to polish the part hole along the central axis.
In this embodiment, the mounting hole 311 is at least partially a threaded hole section adapted to the bolt 33, so that the upper pressing plate 31 and the bolt 33 can be connected by a threaded locking manner. Indeed, in other embodiments, the upper platen 31 may be welded with the bolts 33.
Still further, bolt 33 is hexagon socket head cap screw 33, and mounting hole 311 is the shoulder hole, including the screw hole section that is located the below and the hole section of accomodating that is located the top, accomodate the diameter of hole section and be greater than the screw hole section, in the hole section was accomodating to bolt 33's bolt head was located, made the overall structure of grinding rod more aesthetic feeling.
In this embodiment, the inner side of the upper edge of the grinding sleeve 1 is provided with the annular groove 14, the cross section of the annular groove 14 is L-shaped, the upper pressing plate 31 is disc-shaped, the edge of the upper pressing plate 31 is buckled in the annular groove 14, the upper pressing plate 31 can be positioned, and the bolt 33 is aligned with the second threaded hole 211 conveniently.
When the grinding diameter needs to be adjusted, the bolt 33 and the lower supporting plate 32 are rotated to separate the upper pressing plate 31 and the lower supporting plate 32 from each other, and then the grinding sleeve 1 and the core rod 2 are moved relatively along the axial direction, so that after the outer ring of the grinding sleeve 1 is adjusted to a set size, the grinding sleeve 1 is clamped by rotating the bolt 33 and the lower supporting plate 32, and the adjusted grinding rod can be locked again.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (6)
1. The utility model provides a grinding rod, its characterized in that includes taper fit's grinding cover and plug and is used for with the grinding cover with locking subassembly of mutual locking between the plug, the extension joint that extends to the top from the bottom is offered on the grinding cover whole body, when along axial relative movement between grinding cover with the plug, the outer circle size of grinding cover enlarges or reduces.
2. A grinding rod according to claim 1, wherein a plurality of grinding areas are arranged on the outer circumferential surface of the grinding sleeve at intervals, and adjacent grinding areas are separated by axial grooves.
3. The grinding rod according to claim 1, wherein the locking assembly comprises an upper pressing plate, a lower pressing plate and bolts, wherein the upper pressing plate and the lower pressing plate are respectively arranged at the upper end and the lower end of the grinding sleeve, the bolts are used for connecting the upper pressing plate with the core rod, the middle of the upper pressing plate is provided with a mounting hole, the middle of the lower pressing plate is provided with a first threaded hole which is in threaded fit with the core rod, the core rod comprises a cone part arranged in the grinding sleeve, a connecting rod part arranged at the tail end of the cone part and extending out of the grinding sleeve through the first threaded hole, and a joint part arranged at the tail end of the connecting rod part, the top end of the cone part is provided with a second threaded hole, and the bolts penetrate through the mounting hole and are in threaded fit with the second threaded hole.
4. A grinding rod according to claim 3, wherein the mounting hole is at least partially a threaded hole section adapted to the bolt.
5. The grinding rod of claim 4, wherein the bolt is a socket head cap bolt, the mounting hole is a stepped hole, the stepped hole comprises a threaded hole section located below and a receiving hole section located above, the diameter of the receiving hole section is larger than that of the threaded hole section, and a bolt head of the bolt is arranged in the receiving hole section.
6. The grinding rod according to claim 5, wherein an annular groove is formed in the inner side of the upper edge opening of the grinding sleeve, the upper pressing plate is disc-shaped, and the edge of the upper pressing plate is buckled in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320393657.3U CN219805879U (en) | 2023-03-06 | 2023-03-06 | Grinding rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320393657.3U CN219805879U (en) | 2023-03-06 | 2023-03-06 | Grinding rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219805879U true CN219805879U (en) | 2023-10-10 |
Family
ID=88208921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320393657.3U Active CN219805879U (en) | 2023-03-06 | 2023-03-06 | Grinding rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219805879U (en) |
-
2023
- 2023-03-06 CN CN202320393657.3U patent/CN219805879U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |