CN216519144U - Quick-change high-wear-resistance mandrel - Google Patents
Quick-change high-wear-resistance mandrel Download PDFInfo
- Publication number
- CN216519144U CN216519144U CN202123096208.2U CN202123096208U CN216519144U CN 216519144 U CN216519144 U CN 216519144U CN 202123096208 U CN202123096208 U CN 202123096208U CN 216519144 U CN216519144 U CN 216519144U
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- Prior art keywords
- wear
- quick
- change high
- mandrel
- sleeve
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- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of mandrels, in particular to a quick-change high-wear-resistance mandrel which comprises a support shaft and a wear-resistance sleeve matched with the support shaft, wherein the middle section of the support shaft is a cylindrical matching surface, two ends of the support shaft are positioning columns, the positioning column at one end is provided with a limiting step, the positioning column at the other end is provided with a limiting sleeve, the wear-resistance sleeve is sleeved on the cylindrical matching surface, and the two ends of the wear-resistance sleeve are respectively limited and fixed by the limiting step and the limiting sleeve.
Description
Technical Field
The utility model relates to the technical field of mandrels, in particular to a quick-change high-wear-resistance mandrel.
Background
The mandrel is widely applied to connecting components such as driving and transmission, and the mandrel is used for interconnecting parts in the mechanical field so as to ensure the normal work of large-scale equipment. Due to the matching, stress and other conditions of the mandrel, higher requirements are generally put forward on the surface quality and the like of the mandrel, and particularly, the wear resistance and fatigue resistance of the mandrel are improved under the working conditions of high speed, heavy load and the like. When the surface quality such as the surface abrasion of the mandrel has problems, the mandrel needs to be replaced usually, and the production cost is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a quick-change high-wear-resistance mandrel.
The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a quick-change high wear-resisting dabber, characterized by contains the back shaft and overlaps with back shaft matched with wear-resisting, the back shaft middle section is the cylinder fitting surface, and both ends are the reference column, and wherein the reference column of one end sets up spacing step, and the reference column of the other end sets up the stop collar, wear-resisting ways is on the cylinder fitting surface, and both ends are spacing fixed through spacing step and stop collar respectively.
According to another embodiment of the present invention, further comprising that the outer diameter of the cylindrical mating surface is larger than the outer diameter of the positioning post. When the wear-resisting cover is installed and dismantled, the outer diameter of the positioning column is smaller than the cylindrical matching surface, so that the wear-resisting cover cannot be blocked, and the wear-resisting cover is convenient to assemble and disassemble.
According to another embodiment of the utility model, it is further comprised that the wear sleeve surface is provided with a wear resistant coating. The wear-resistant spraying treatment can be carried out on the surface of the wear-resistant sleeve as required, so that the wear-resistant sleeve has wear resistance and high hardness, and is not easy to fall off, thereby greatly prolonging the service life of the wear-resistant sleeve.
According to another embodiment of the utility model, a gap exists between the matching surface of the wear-resistant sleeve and the cylinder, a clamping groove is formed at one end of the wear-resistant sleeve, a corresponding limiting block is arranged on the limiting step, and the limiting block is clamped in the clamping groove. Thereby wear-resisting cover and cylinder fitting surface have the clearance be convenient for assemble and dismantle, simultaneously, through set up the draw-in groove on wear-resisting cover, prevent its rotation to guarantee the normal use of dabber.
According to another embodiment of the utility model, the limiting step is connected with the positioning column at one end in a welding mode.
According to another embodiment of the utility model, the limiting sleeve is detachably connected with the positioning column at the other end through threads.
The utility model has the advantages that the wear-resistant sleeve is detachably fixed on the support shaft to replace a mandrel and bear conditions such as high speed and heavy load, when the surface quality of the wear-resistant sleeve is reduced, the limit sleeve can be detached, the wear-resistant sleeve is detached from the support shaft, and a new wear-resistant sleeve is installed, so that the integral scrapping of the mandrel is avoided, and the production cost is greatly reduced.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of FIG. 1;
FIG. 3 is a schematic view of the support shaft;
FIG. 4 is a schematic view of the engagement between the locking groove and the stopper;
fig. 5 is a perspective view of the structure of the present invention.
In the figure, the supporting shaft 1, the supporting shaft 11, the cylindrical matching surface 12, the limiting step 13, the limiting sleeve 14, the positioning column 2, the wear-resistant sleeve 3, the pattern 4, the clamping groove 5 and the limiting block.
Detailed Description
As shown in fig. 1 to 5, which are schematic structural diagrams of the present invention, a quick-change high wear-resistant mandrel is characterized by comprising a support shaft 1 and a wear-resistant sleeve 2 matched with the support shaft 1, wherein the middle section of the support shaft 1 is a cylindrical matching surface 11, two ends of the support shaft are positioning columns 14, the positioning column 14 at one end is provided with a limiting step 12, the positioning column 14 at the other end is provided with a limiting sleeve 13, the wear-resistant sleeve 2 is sleeved on the cylindrical matching surface 11, and two ends of the wear-resistant sleeve are respectively fixed by the limiting step 12 and the limiting sleeve 13.
The specific principle is as follows: wear-resisting cover 2 adopts the detachable mode to fix on back shaft 1, replaces the dabber, bears conditions such as high-speed heavy load, when the surface quality decline of wear-resisting cover 2 the circumstances such as appear, can lift stop collar 13 off, lift wear-resisting cover 2 off from back shaft 1, install new wear-resisting cover 2 again to avoid the whole of dabber to scrap, greatly reduce manufacturing cost.
According to another embodiment of the present invention, it further comprises that the outer diameter of the cylindrical mating surface 11 is larger than the outer diameter of the positioning column 14. When the wear-resistant sleeve 2 is mounted and dismounted, the outer diameter of the positioning column 14 is smaller than the cylindrical matching surface 11, so that the wear-resistant sleeve 2 cannot be obstructed, and the wear-resistant sleeve is convenient to mount and dismount.
According to another embodiment of the utility model, it is further included that the wear-resistant sleeve 2 is provided with a wear-resistant coating on the surface. The surface of the wear-resistant sleeve 2 can be subjected to wear-resistant spraying treatment as required, so that the surface of the wear-resistant sleeve 2 has wear resistance and high hardness, and is not easy to fall off, and the service life of the wear-resistant sleeve 2 is greatly prolonged.
According to another embodiment of the utility model, a gap exists between the wear-resistant sleeve 2 and the cylindrical matching surface 11, a clamping groove 4 is formed at one end of the wear-resistant sleeve 2, a corresponding limiting block 5 is arranged on the limiting step 12, and the limiting block 5 is clamped in the clamping groove 4. Thereby wear-resisting cover 2 and cylindrical fitting surface 11 have the clearance be convenient for assemble and dismantle, simultaneously, through set up draw-in groove 4 on wear-resisting cover 2, prevent its rotation to guarantee the normal use of dabber.
According to another embodiment of the utility model, it further includes that the limit step 12 is connected with the positioning column 14 at one end by welding.
According to another embodiment of the utility model, it further includes that the position limiting sleeve 13 is detachably connected with the positioning column 14 at the other end through a screw thread.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. The utility model provides a quick-change high wear-resisting dabber, characterized by contains back shaft (1) and with back shaft (1) matched with wear-resisting cover (2), back shaft (1) middle section is cylinder fitting surface (11), and both ends are reference column (14), and wherein reference column (14) of one end set up spacing step (12), and reference column (14) of the other end set up stop collar (13), wear-resisting cover (2) cover is on cylinder fitting surface (11), and both ends are spacing fixed through spacing step (12) and stop collar (13) respectively.
2. A quick-change high-wear-resistance mandrel as claimed in claim 1, characterized in that the outer diameter of the cylindrical mating surface (11) is larger than the outer diameter of the positioning post (14).
3. A quick-change high wear-resistant mandrel as claimed in claim 1, characterized in that the wear-resistant sleeve (2) is provided with a wear-resistant coating on its surface.
4. The quick-change high-wear-resistance mandrel as claimed in claim 1, wherein a gap exists between the wear-resistant sleeve (2) and the cylindrical matching surface (11), a clamping groove (4) is formed at one end of the wear-resistant sleeve (2), a corresponding limiting block (5) is arranged on the limiting step (12), and the limiting block (5) is clamped in the clamping groove (4).
5. The quick-change high-wear-resistance mandrel as claimed in claim 1, wherein the limiting step (12) is connected with a positioning column (14) at one end in a welding manner.
6. The quick-change high-wear-resistance mandrel as claimed in claim 1, wherein the limiting sleeve (13) is detachably connected with the positioning column (14) at the other end through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096208.2U CN216519144U (en) | 2021-12-10 | 2021-12-10 | Quick-change high-wear-resistance mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096208.2U CN216519144U (en) | 2021-12-10 | 2021-12-10 | Quick-change high-wear-resistance mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216519144U true CN216519144U (en) | 2022-05-13 |
Family
ID=81468081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123096208.2U Expired - Fee Related CN216519144U (en) | 2021-12-10 | 2021-12-10 | Quick-change high-wear-resistance mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216519144U (en) |
-
2021
- 2021-12-10 CN CN202123096208.2U patent/CN216519144U/en not_active Expired - Fee Related
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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: 20220513 |