CN221120694U - Manual ball pressing tool for deep groove ball bearing - Google Patents
Manual ball pressing tool for deep groove ball bearing Download PDFInfo
- Publication number
- CN221120694U CN221120694U CN202323003990.8U CN202323003990U CN221120694U CN 221120694 U CN221120694 U CN 221120694U CN 202323003990 U CN202323003990 U CN 202323003990U CN 221120694 U CN221120694 U CN 221120694U
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- Prior art keywords
- eccentric wheel
- bearing
- deep groove
- post
- force transmission
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- 238000003825 pressing Methods 0.000 title claims abstract description 28
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 45
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 235000012438 extruded product Nutrition 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
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a manual ball pressing tool for a deep groove ball bearing, which comprises a fixed bottom plate, an eccentric wheel assembly, a force transmission column assembly and a stop block, wherein the eccentric wheel assembly, the force transmission column assembly and the stop block are sequentially arranged on the fixed bottom plate, the eccentric wheel assembly comprises two matched shaft seats, a matched shaft, a pressing rod, an eccentric wheel and a bearing, the pressing rod is connected with one end of the matched shaft through a limiting column, the eccentric wheel is fixedly connected with the matched shaft and can rotate along with the matched shaft under the action of the pressing rod, the bearing is in interference fit with the eccentric wheel, the force transmission column assembly comprises a positioning block, a force transmission column and a spring, the positioning block is provided with a force transmission column hole, the force transmission column is arranged in the force transmission column hole and can axially move in the force transmission column hole, and the spring is sleeved on the force transmission column.
Description
Technical Field
The utility model relates to the technical field of bearing assembly tools, in particular to a manual ball pressing tool for a deep groove ball bearing.
Background
The deep groove ball bearing of the wall thickness part has larger filling angle due to the design parameters, and the outer ring of the deep groove ball bearing needs to be extruded and deformed instantly during assembly so as to complete the combination of the last steel ball and the inner ring and the outer ring of the bearing.
In the prior art, a common press-fitting means is to use an air cylinder for press-fitting, and the method mainly has the following problems that the requirements on the cylinder diameter and the instant loading force are very high, and the cost is high; on the other hand, the cylinder loading flexibility is insufficient, the instantaneous loading cannot be realized, the bearing outer ring cannot be retracted in time, the bearing outer ring is easy to deform and cannot be recovered, and the safety is poor.
Disclosure of utility model
How to realize the instantaneous deformation and the timely rebound of the outer ring of the bearing is a difficult point to be solved, and in addition, the cost is controlled while the loading force is ensured, and the problem to be solved is solved. Therefore, according to the problems, the utility model designs the manual ball pressing tool for the deep groove ball bearing, which is convenient to press, safe, reliable, low in cost and capable of providing instant loading force.
The utility model is realized by the following technical scheme: a manual ball pressing tool for a deep groove ball bearing comprises a fixed bottom plate, an eccentric wheel assembly, a force transmission column assembly and a stop block, wherein the eccentric wheel assembly, the force transmission column assembly and the stop block are sequentially arranged on the fixed bottom plate.
In order to realize the 'instantaneous loading' of bearing outer race to accomplish the last steel ball and the close cover of bearing inner and outer race, guarantee simultaneously that the outer race in time kick-backs, the eccentric wheel subassembly includes two cooperation axle bed, cooperation axle, depression bar, eccentric wheel, two cooperation axle bed is as the support of whole eccentric wheel subassembly, parallel arrangement and fixed connection are in on the fixed baseplate, the shaft hole has been seted up to the cooperation axle bed, the cooperation axle sets up in the shaft hole, the depression bar pass through spacing post with cooperation axle one end is connected, the eccentric wheel cover is established on the cooperation axle and locate between two cooperation axle bed, the eccentric wheel with cooperation axle fixed connection can follow under the depression bar cooperation axle rotates, utilizes eccentric wheel self characteristic control its and the following effort of passing the power post subassembly to the bearing outer race.
Because the last steel ball is closed and sleeved, the outer ring of the bearing has a tendency of instantaneous automatic recovery, in order to better match the eccentric wheel to realize instantaneous loading and avoid the outer ring of the bearing from generating unrecoverable deformation, the eccentric wheel assembly also comprises a bearing, the bearing is in interference sleeved outside the eccentric wheel, yielding movement is generated by utilizing bearing play, and the pressure generated by the force transmission column assembly can be released when the eccentric wheel is not thoroughly separated.
Preferably, the bearing is a deep groove ball bearing.
In order to improve connection reliability and force application convenience of the compression bar and the matching shaft, as an optimization, the limit column is a cylinder, a matching shaft hole and a plurality of compression bar holes are formed in the axial direction, the matching shaft locking holes are formed in the circumferential direction, the matching shaft locking holes are used for locking the compression bar and the matching shaft by matching screws, when force is applied, the compression bar can select one of the compression bar holes to be connected with the matching shaft according to actual conditions and drive the matching shaft to rotate, and limit columns of other structures can be designed according to the actual conditions.
In order to cooperate the eccentric wheel subassembly to exert force to the bearing outer lane, further, the power transmission post subassembly includes locating piece, power transmission post and spring, the locating piece with cooperation axle bed sets up perpendicularly and fixed connection is in on the fixed baseplate, the power transmission post hole has been seted up to the locating piece, the power transmission post sets up in the power transmission post hole and can follow axial displacement in the power transmission post hole, the power transmission post is close to the one end of eccentric wheel subassembly has power transmission post head, power transmission post head diameter is greater than power transmission post column shaft diameter, the spring cover is established power transmission post is last and be located power transmission post head and locating piece between.
Further, the bearing is a deep groove ball bearing.
The stop block is used as a support for bearing outer ring when being stressed.
In order to adapt to deep groove ball bearings of different models, the universality of the tool is improved, a plurality of groups of stop block connecting holes are formed in the fixed bottom plate at equal intervals in the direction away from the positioning block, and the stop blocks are connected to the fixed bottom plate in a position-adjustable manner through the stop block connecting holes and the fastening pieces.
In order to improve the stability of the whole tool structure and the convenience of manufacturing, as the optimization, the matching shaft seat, the positioning block and the stop block are all in a convex shape, and according to practical conditions, the matching shaft seat, the positioning block and the stop block with other structures can be designed.
The beneficial effects of the utility model are as follows: according to the manual ball pressing tool for the deep groove ball bearing, an eccentric wheel structure connected with the deep groove ball bearing is sleeved by design and is matched with a rebound force transmission column, so that the 'instantaneous loading' of the outer ring of the bearing in the assembly process of the deep groove ball bearing is realized, the last steel ball is sleeved with the inner ring and the outer ring of the bearing, and the outer ring of the bearing is prevented from deforming irrecoverably; in addition, the manual ball pressing tool for the deep groove ball bearing is flexible and convenient to load, good in safety and low in cost.
Drawings
FIG. 1 is a schematic structural view of a manual ball pressing tool for a deep groove ball bearing;
fig. 2-3 are schematic structural diagrams of eccentric wheels of the manual ball pressing tool for deep groove ball bearings;
FIG. 4 is a schematic structural view of a mating shaft seat of the manual ball pressing tool for the deep groove ball bearing;
Fig. 5 is a schematic structural diagram of a limit post of the manual ball pressing tool for deep groove ball bearings of the present utility model
FIG. 6 is a schematic structural view of a positioning block of the manual ball pressing tool for the deep groove ball bearing;
FIG. 7 is a schematic structural view of a stopper of the manual ball pressing tool for deep groove ball bearings of the present utility model;
In the figure: 1. a fixed bottom plate; 11. a stopper connecting hole; 2. an eccentric wheel assembly; 21. matching with a shaft seat; 211. a shaft hole; 22. a mating shaft; 23. a compression bar; 24. an eccentric wheel; 25. a bearing; 26. a limit column; 261. matching with the shaft hole; 262. a compression bar hole; 263. a mating shaft locking hole; 3. a force transfer column assembly; 31. a positioning block; 311. a force transmission column hole; 32. a force transmission column; 321. a force transfer column head; 33. a spring; 4. a force transfer column assembly; 9. and (5) a product outer ring.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
The manual ball pressing tool for the deep groove ball bearing shown in fig. 1 comprises a fixed bottom plate 1, an eccentric wheel assembly 2, a force transmission column assembly 3 and a stop block 4, wherein the eccentric wheel assembly 2, the force transmission column assembly 3 and the stop block 4 are sequentially arranged on the fixed bottom plate 1.
The eccentric wheel assembly 2 comprises two matching shaft seats 21, a matching shaft 22, a pressing rod 23, an eccentric wheel 24, a bearing 25 and a limiting column 26, wherein the two matching shaft seats 21 are arranged in parallel and fixedly connected to the fixed bottom plate 1, as shown in fig. 4, the matching shaft seats 21 are provided with shaft holes 211, the matching shaft 22 is arranged in the shaft holes 211, as shown in fig. 5, the limiting column 26 is a cylinder, the matching shaft holes 261 are axially provided with the matching shaft locking holes 263 and a plurality of pressing rod holes 262 along the circumferential direction, the pressing rod 23 is connected with one end of the matching shaft 22 through the limiting column 26, the eccentric wheel 24 is sleeved on the matching shaft 22 and arranged between the two matching shaft seats 21, the eccentric wheel 24 is fixedly connected with the matching shaft 22 and can rotate along with the matching shaft 22 under the action of the pressing rod 23, the bearing 25 is in an interference sleeve manner outside the eccentric wheel 24, and the bearing 25 is a deep groove ball bearing.
The force transmission column assembly 3 comprises a positioning block 31, a force transmission column 32 and a spring 33, the positioning block 31 and the matching shaft seat 21 are vertically arranged and fixedly connected to the fixed bottom plate 1, as shown in fig. 6, the positioning block 31 is provided with a force transmission column hole 311, the force transmission column 32 is arranged in the force transmission column hole 311 and can axially move in the force transmission column hole 311, one end, close to the eccentric wheel assembly 2, of the force transmission column 32 is provided with a force transmission column head 321, the diameter of the force transmission column head 321 is larger than that of a column shaft of the force transmission column 32, and the spring 33 is sleeved on the force transmission column 32 and is positioned between the force transmission column head 321 and the positioning block 31.
A plurality of groups of stop block connecting holes 11 are formed in the fixed bottom plate 1 at equal intervals in the direction away from the positioning block 31, and the stop blocks 4 are connected to the fixed bottom plate 1 in a position-adjustable manner from the positioning block 31 through the stop block connecting holes 11 and fastening pieces.
As shown in fig. 4, 6 and 7, the matching shaft seat, the positioning block and the stop block are all in a convex shape.
The process of finishing the last steel ball sleeve combination of the deep groove ball bearing product by using the manual ball pressing tool for the deep groove ball bearing is as follows:
Firstly, a proper pressure bar hole 262 on the limit post 26 is selected, the pressure bar 23 is connected with one end of the matching shaft 22 through the limit post 26, then, the pressure bar 23 is applied with force, the matching shaft 22 is driven by the pressure bar 23 to drive the eccentric wheel 24 to rotate to a longer radius position, the force transmission post 32 is displaced through the bearing 25 assembled on the eccentric wheel 24, the loading force is applied to the outer ring 9 of the product, the product is extruded to generate elastic deformation, and finally, the steel balls are sleeved together.
At this time, the product outer ring 9 has a trend of instantaneous automatic recovery, the reaction transmits the deformation restoring force to the force transmission column 32, the force transmission column 32 transmits the reaction force to the bearing 25, the bearing 25 generates yielding movement due to self play, meanwhile, the eccentric wheel 24 rotates to a shorter radius position, the bearing 25 can release the pressure generated by the eccentric wheel 24 which is not completely separated from the force transmission column 32, and under the combined action of the two, the extruded product outer ring 9 is recovered, so that the assembly of the product steel ball is completed, and the situation that the product outer ring cannot be recovered due to deformation is avoided.
Any particular values in all examples shown and described herein are to be construed as merely illustrative and not a limitation, and thus other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In addition, in the description of embodiments of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "configured," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be noted that 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 describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (5)
1. The utility model provides a manual ball frock of pressing of deep groove ball bearing which characterized in that: including PMKD, set gradually eccentric wheel subassembly, biography power post subassembly and the dog on the PMKD, eccentric wheel subassembly includes two cooperation axle bed, cooperation axle, depression bar, eccentric wheel, bearing, two cooperation axle bed parallel arrangement and fixed connection are in on the PMKD, the shaft hole has been seted up to the cooperation axle bed, the cooperation axle sets up in the shaft hole, the depression bar pass through spacing post with cooperation axle one end is connected, the eccentric wheel cover is established on the cooperation axle and locate two between the cooperation axle bed, the eccentric wheel with cooperation axle fixed connection can be in under the depression bar effect along with cooperation axle rotation, the bearing interference cover is established outside the eccentric wheel, biography power post subassembly includes locating piece, biography power post and spring, the locating piece with cooperation axle bed sets up perpendicularly and fixed connection is in on the PMKD, the locating piece has been seted up biography power post hole, biography power post setting is in biography power post hole and can follow axial displacement, the post is close to the one end of eccentric wheel subassembly has biography power post head, the post diameter is greater than biography power post body is located biography power post diameter and is located between the post cover.
2. The deep groove ball bearing manual ball pressing tool according to claim 1, wherein: the fixed bottom plate is provided with a plurality of groups of stop block connecting holes at equal intervals in the direction away from the positioning block, and the stop blocks are connected to the fixed bottom plate in a position-adjustable manner by the stop block connecting holes and the fastening pieces from the positioning block.
3. The deep groove ball bearing manual ball pressing tool according to claim 1, wherein: the bearing is a deep groove ball bearing.
4. The deep groove ball bearing manual ball pressing tool according to claim 1, wherein: the spacing post is the cylinder, has seted up the cooperation shaft hole along the axial, has seted up cooperation shaft locking hole and a plurality of depression bar hole along circumference.
5. The deep groove ball bearing manual ball pressing tool according to claim 1, wherein: the matching shaft seat, the positioning block and the stop block are all in a convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323003990.8U CN221120694U (en) | 2023-11-07 | 2023-11-07 | Manual ball pressing tool for deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323003990.8U CN221120694U (en) | 2023-11-07 | 2023-11-07 | Manual ball pressing tool for deep groove ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120694U true CN221120694U (en) | 2024-06-11 |
Family
ID=91337498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323003990.8U Active CN221120694U (en) | 2023-11-07 | 2023-11-07 | Manual ball pressing tool for deep groove ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120694U (en) |
-
2023
- 2023-11-07 CN CN202323003990.8U patent/CN221120694U/en active Active
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| GR01 | Patent grant |