CN219881319U - Mechanical shaft fine adjustment device - Google Patents
Mechanical shaft fine adjustment device Download PDFInfo
- Publication number
- CN219881319U CN219881319U CN202321337860.5U CN202321337860U CN219881319U CN 219881319 U CN219881319 U CN 219881319U CN 202321337860 U CN202321337860 U CN 202321337860U CN 219881319 U CN219881319 U CN 219881319U
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- CN
- China
- Prior art keywords
- eccentric bearing
- eccentric
- shaft
- mechanical shaft
- fine adjustment
- 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.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000009966 trimming Methods 0.000 claims 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Support Of The Bearing (AREA)
- Transmission Devices (AREA)
Abstract
The utility model discloses a mechanical shaft fine adjustment device, which comprises two shaft body installation seats, wherein at least one mechanical shaft is inserted between the two shaft body installation seats, two ends of the mechanical shaft are respectively sleeved with an eccentric fine adjustment mechanism, each eccentric fine adjustment mechanism comprises an eccentric bearing seat arranged at the outer side of each shaft body installation seat, an eccentric bearing is arranged in an annular groove of each eccentric bearing seat, an opening is formed in the outer ring of each eccentric bearing, and an adjusting screw is inserted in each opening; according to the utility model, at least one adjusting screw is inserted into one side of the eccentric bearing, when the mechanical shaft is changed, loosened or moved, the adjusting screw is screwed by common tools such as a spanner, the adjusting screw rotates downwards and generates extrusion force on the eccentric bearing, the eccentric bearing rotates clockwise or anticlockwise, and after the eccentric bearing rotates, the eccentric bearing can extrude the shaft body, so that fine adjustment movement of the position of the shaft body is realized, fine adjustment is easily realized, the maintenance time of personnel is greatly reduced, the investment of labor cost is reduced, and the practicability is better.
Description
Technical Field
The utility model relates to the technical field of shaft body adjustment, in particular to a mechanical shaft fine adjustment device.
Background
Mechanical shafts are installed and fixed on various precision machines, bearings are usually installed at two ends of the mechanical shafts, and shaft cores penetrate through the middle of the mechanical shafts. The mechanical shaft is driven by the motor to rotate at a high speed, and after long-term rotation, the positions of the bearing and the shaft core can slightly change, loosen or move, so that the machining precision can be problematic when the machine tool machines precise products. Once these problems occur, conventional solutions require removal of the mechanical shaft or replacement of the bearings, the shaft core. However, the operation and maintenance difficulty is high, specialized personnel and specialized tools are needed to disassemble and assemble, the maintenance time is long, time and labor are wasted, and the machine tool is required to be stopped for a long time.
Disclosure of Invention
The present utility model is directed to a mechanical shaft fine tuning device, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a fine-tuning device for a mechanical shaft,
the device comprises two shaft body mounting seats, wherein at least one mechanical shaft is inserted between the two shaft body mounting seats, and both ends of the mechanical shaft are sleeved with eccentric fine-tuning mechanisms;
the eccentric fine adjustment mechanism comprises an eccentric bearing seat arranged on the outer side of the shaft body mounting seat, an eccentric bearing is arranged in an annular groove of the eccentric bearing seat, an opening is formed in the outer ring of the eccentric bearing, an adjusting screw is inserted into the opening, and the top of the adjusting screw is arranged on the outer side of the shaft body mounting seat and is in threaded connection with a nut.
As a preferred embodiment of the present utility model: the nut is fixedly arranged at the top of the eccentric bearing seat.
As a preferred embodiment of the present utility model: the thread travel of the adjusting screw is larger than the eccentricity of the eccentric bearing.
As a preferred embodiment of the present utility model: the groove depth of the annular groove is larger than the thickness of the outer ring of the eccentric bearing.
As a preferred embodiment of the present utility model: the inner ring of the eccentric bearing is matched with the size of the mechanical shaft.
As a preferred embodiment of the present utility model: the outer side of the shaft body mounting seat is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with the eccentric bearing seat through a screw.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, at least one adjusting screw is inserted into one side of the eccentric bearing, when the mechanical shaft is changed, loosened or moved, the adjusting screw is screwed by common tools such as a spanner, the adjusting screw rotates downwards and generates extrusion force on the eccentric bearing, the eccentric bearing rotates clockwise or anticlockwise, and after the eccentric bearing rotates, the eccentric bearing can extrude the shaft body, so that fine adjustment movement of the position of the shaft body is realized, fine adjustment is easily realized, the maintenance time of personnel is greatly reduced, the investment of labor cost is reduced, and the practicability is better.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an eccentric fine adjustment mechanism according to the present utility model;
fig. 3 is a schematic diagram illustrating the disassembly of the eccentric fine adjustment mechanism according to the present utility model.
In the figure: 1. a shaft body mounting seat; 11. a mounting plate; 12. a screw; 2. a mechanical shaft; 3. an eccentric fine adjustment mechanism; 31. eccentric bearing seat; 32. an annular groove; 33. an eccentric bearing; 34. opening holes; 35. adjusting a screw; 36. and (3) a nut.
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 provides a technical solution: a mechanical shaft fine tuning device comprises two shaft body mounting seats 1, at least one mechanical shaft 2 is inserted between the two shaft body mounting seats 1, and two ends of the mechanical shaft 2 are sleeved with eccentric fine tuning mechanisms 3;
the eccentric fine adjustment mechanism 3 comprises an eccentric bearing seat 31 arranged on the outer side of the shaft body mounting seat 1, an eccentric bearing 33 is arranged in an annular groove 32 of the eccentric bearing seat 31, an opening 34 is formed in the outer ring of the eccentric bearing 33, an adjusting screw 35 is inserted into the opening 34, and the top of the adjusting screw 35 is arranged on the outer side of the shaft body mounting seat 1 and is in threaded connection with a nut 36.
Specifically, when the mechanical shaft 2 is used for a long time and moves or loosens, a person can adjust the position of the mechanical shaft 2, a common tool (a wrench, a screwdriver and the like) is selected to rotate the adjusting screw 35, the top of the adjusting screw 35 can apply pressure to the outer ring of the eccentric bearing 33, so that the eccentric bearing 33 is displaced, the eccentric bearing 33 can rotate clockwise or anticlockwise, the shaft body of the mechanical shaft 2 can be extruded after the eccentric bearing 33 rotates, and the inner ring of the eccentric bearing 33 is matched with the mechanical shaft 2, so that the eccentric bearing 33 can drive the mechanical shaft 2 to move together after displacement, fine adjustment of the position of the shaft body is realized, fine adjustment is realized easily, and maintenance time of the person is greatly reduced.
In this embodiment: a nut 36 is fixedly mounted on top of the eccentric bearing seat 31.
Specifically, the nut 36 may be screwed with the adjusting screw 35, and of course, the nut 36 is not limited to be mounted on the top of the eccentric bearing seat 31, and the nut 36 and the adjusting screw 35 may be mounted in different directions of the eccentric bearing seat 31 according to the adjusting direction of the eccentric bearing 33.
In this embodiment: the screw stroke of the adjusting screw 35 is greater than the eccentricity of the eccentric bearing 33.
Specifically, since the eccentricity of the eccentric bearing 33 and the stroke of the adjusting screw 35 are adjustable, fine tuning can be achieved.
In this embodiment: the groove depth of the annular groove 32 is greater than the thickness of the outer ring of the eccentric bearing 33.
Specifically, the eccentric bearing 33 is installed in the annular groove 32 and is connected with the eccentric bearing seat 31 through a groove body, so that the eccentric bearing 33 does not shake left and right during eccentric movement, and a space is reserved for movement of the eccentric bearing seat 31.
In this embodiment: the outside of the shaft body mounting seat 1 is fixedly connected with a mounting plate 11, and the mounting plate 11 is fixedly connected with an eccentric bearing seat 31 through a screw 12.
Specifically, the mounting plate 11 is fixed to the eccentric bearing seat 31 by the screw 12, and the entire eccentric fine adjustment mechanism 3 is fixed to the outer side of the shaft body mounting seat 1, so that a stable support is formed.
Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and the like within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. The utility model provides a mechanical axle micromatic setting, includes two axis body mount pad (1), its characterized in that: at least one mechanical shaft (2) is inserted between the two shaft body mounting seats (1), and the two ends of the mechanical shaft (2) are sleeved with eccentric fine-tuning mechanisms (3);
the eccentric fine adjustment mechanism (3) comprises an eccentric bearing seat (31) arranged on the outer side of the shaft body mounting seat (1), an eccentric bearing (33) is arranged in an annular groove (32) of the eccentric bearing seat (31), an opening (34) is formed in the outer ring of the eccentric bearing (33), an adjusting screw (35) is inserted into the opening (34), and the top of the adjusting screw (35) is arranged on the outer side of the shaft body mounting seat (1) and is in threaded connection with a nut (36).
2. A mechanical shaft trimming device according to claim 1, wherein: the nut (36) is fixedly arranged at the top of the eccentric bearing seat (31).
3. A mechanical shaft trimming device according to claim 1, wherein: the thread travel of the adjusting screw (35) is larger than the eccentricity of the eccentric bearing (33).
4. A mechanical shaft trimming device according to claim 1, wherein: the groove depth of the annular groove (32) is larger than the thickness of the outer ring of the eccentric bearing (33).
5. A mechanical shaft trimming device according to claim 1, wherein: the inner ring of the eccentric bearing (33) is matched with the size of the mechanical shaft (2).
6. A mechanical shaft trimming device according to claim 1, wherein: the outer side of the shaft body mounting seat (1) is fixedly connected with a mounting plate (11), and the mounting plate (11) is fixedly connected with the eccentric bearing seat (31) through a screw (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337860.5U CN219881319U (en) | 2023-05-30 | 2023-05-30 | Mechanical shaft fine adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337860.5U CN219881319U (en) | 2023-05-30 | 2023-05-30 | Mechanical shaft fine adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219881319U true CN219881319U (en) | 2023-10-24 |
Family
ID=88401757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321337860.5U Active CN219881319U (en) | 2023-05-30 | 2023-05-30 | Mechanical shaft fine adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219881319U (en) |
-
2023
- 2023-05-30 CN CN202321337860.5U patent/CN219881319U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |