CN217633511U - Thrust ball bearing assembly fixture - Google Patents
Thrust ball bearing assembly fixture Download PDFInfo
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- CN217633511U CN217633511U CN202221631420.6U CN202221631420U CN217633511U CN 217633511 U CN217633511 U CN 217633511U CN 202221631420 U CN202221631420 U CN 202221631420U CN 217633511 U CN217633511 U CN 217633511U
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- thrust ball
- supporting seat
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Abstract
The utility model belongs to the technical field of bearing assembly, concretely relates to thrust ball bearing assembly fixture, including bearing and the cone of sliding fit bearing, bearing and bearing race internal surface cooperation, the cone and bearing race internal surface cooperation; the cone comprises a guide part, a press-mounting part and a pressure-applying part which are sequentially arranged, wherein the guide part is in sliding fit with the supporting seat, the press-mounting part is matched with the inner surface of the bearing shaft ring to press the bearing inner cover against the inner surface of the bearing, and the pressure-applying part protrudes out of the end surface of the bearing. The utility model discloses a bearing inner cover divides two steps of pressure equipments, respectively with bearing race, bearing race pressure equipment laminating, and two steps of pressure equipments are continuous, guarantee inner cover pressure equipment quality. The utility model discloses a cooperation of cone and bearing, safety and stability carries out the pressure equipment to the bearing inner cover, and the pressure equipment portion and the bearing race internal surface cooperation of cone avoid producing the impact force, damage the bearing, have ensured the pressure equipment quality of product.
Description
Technical Field
The utility model belongs to the technical field of the bearing assembly, concretely relates to thrust ball bearing assembly fixture.
Background
The thrust ball bearing, the steel ball extrudes to the raceway outside because of centrifugal force, easily scratches, is not suitable for high-speed operation, belongs to separable bearing, and race, shaft circle, steel ball, holder subassembly are separable, can install and remove respectively promptly. Therefore, in order to ensure the stability of the bearing in the operation process, inner covers are additionally arranged on two sides of the bearing, so that the seat ring, the shaft ring and the steel ball retainer assembly are integrated and cannot be separated. The press-fitting quality of the inner cover is difficult to guarantee in the existing bearing inner cover assembling process, so that the problem of inner cover installation during thrust ball bearing assembly is solved, and the method has important significance in production of thrust ball bearings with inner covers.
Disclosure of Invention
According to the defect that above-mentioned prior art exists, the utility model aims at providing a thrust ball bearing assembly fixture and assembly method thereof guarantees inner cover pressure equipment precision, improves the pressure equipment quality.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a thrust ball bearing assembly tool comprises a supporting seat and a cone in sliding fit with the supporting seat, wherein the supporting seat is matched with the inner surface of a bearing race, and the cone is matched with the inner surface of a bearing shaft ring; the cone comprises a guide part, a press-mounting part and a pressing part which are sequentially arranged, the guide part is in sliding fit with the supporting seat, the press-mounting part is matched with the inner surface of the bearing shaft ring to press the bearing inner cover against the inner surface of the bearing, and the pressing part protrudes out of the end surface of the bearing.
Furthermore, an annular spigot matched with the inner surface of the bearing race is arranged on the end face of one end of the supporting seat, and the supporting seat presses the inner bearing cover on the inner surface of the bearing race through the annular spigot.
Further, the end face and the side wall of the annular spigot are in arc transition.
Furthermore, the cone press-mounting part is matched with the inner surface of the bearing shaft ring and the inner surface of the retainer assembly, and the cone press-mounting part and the supporting seat spigot form a press-mounting structure of the inner surface of the bearing.
Furthermore, a guide hole matched with the cone in the press-fitting direction is formed in the supporting seat, and the guide part of the cone is matched with the guide hole of the supporting seat for guiding; and a guide sleeve is arranged on the inner surface of the guide hole, and the guide part of the cone slides in the guide sleeve.
Further, the surface of the pressing part of the cone is knurled.
Further, a thrust ball bearing assembly fixture still include the base, be provided with concave station and middle chamber that are linked together on the base, concave station and bearing race outer wall cooperation, bearing race internal assembly has the bearing inner cover, the middle chamber forms the space of placing the bearing inner cover.
The assembling method of the thrust ball bearing assembling tool comprises the following steps:
the method comprises the following steps: downwards buckling the bearing race raceway in a concave table of a base;
step two: placing a bearing inner cover on the inner surface of the bearing race;
step three: the bearing inner cover is pressed and mounted through the matching of the pressing and mounting part of the supporting seat and the inner surface of the bearing race, so that the bearing inner cover is attached to the inner surface of the bearing race;
step four: integrally overturning the base, the bearing race and the supporting seat, and removing the base positioned above;
step five: mounting the steel ball retainer assembly and the bearing shaft ring on the bearing seat ring, and extending the bearing inner cover to the inner surface of the bearing shaft ring;
step six: placing a guide sleeve in the guide hole of the support seat to enable the guide sleeve to be matched with the guide hole of the support seat;
step seven: the cone guide part is in sliding fit with the guide sleeve, so that the cone pressing part is attached to the inner surface of the bearing shaft ring and the inner surface of the retainer assembly, and the bearing inner cover is pressed.
Furthermore, the supporting seat and the base are made of No. 45 steel, the hardness of the supporting seat is smaller than that of the bearing ring, and the bearing is prevented from being damaged; the cone and the guide sleeve are made of bearing steel with lower hardness.
A thrust ball bearing assembly method comprising the steps of:
the method comprises the following steps: pressing the bearing inner cover on the inner surface of the bearing race;
step two: assembling a roller, a retainer and a bearing shaft ring on a bearing pedestal ring provided with a bearing inner cover to form a thrust ball bearing workpiece, wherein the bearing inner cover extends to the inner surface of the bearing shaft ring;
step three: and carrying out press mounting on the bearing inner cover on the inner surface of the bearing shaft ring.
The utility model discloses a bearing inner cover divides two steps of pressure equipment, respectively with bearing race, bearing race pressure equipment laminating, and two steps of pressure equipment link to each other, guarantee inner cover pressure equipment quality.
The utility model has the advantages that: the utility model discloses a cooperation of cone and bearing, safety and stability carries out the pressure equipment to the bearing inner cover, and the pressure equipment portion and the bearing race internal surface cooperation of cone avoid producing the impact force, damage the bearing, have ensured the pressure equipment quality of product.
Drawings
FIG. 1 is a schematic view of a first press-fitting step;
FIG. 2 is a schematic diagram of a second press-fitting step;
FIG. 3 is a schematic view of a first step of an assembly method of the thrust ball bearing assembly tool;
FIG. 4 is a schematic diagram of a second assembling method step of the thrust ball bearing assembling tool;
FIG. 5 is a schematic diagram of a third step of the assembling method of the thrust ball bearing assembling tool;
FIG. 6 is a schematic diagram of an assembly method step four of the thrust ball bearing assembly tool;
FIG. 7 is a schematic diagram of a fifth step of an assembling method of the thrust ball bearing assembling tool;
FIG. 8 is a six-step schematic diagram of an assembling method of the thrust ball bearing assembling tool;
FIG. 9 is a seventh schematic diagram of the assembling method of the thrust ball bearing assembling tool;
in the figure: 1. a base, 2, a supporting seat, 3, a guide sleeve, 4, a cone guiding part, b, a cone pressing part, c, a cone pressing part,
5. a thrust ball bearing race 6, a thrust ball bearing inner cover 7, a thrust ball bearing shaft ring and a thrust ball bearing steel ball retainer 8.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Referring to the attached drawings 1-2, the thrust ball bearing assembly tool comprises a supporting seat 2 and a cone 4 in sliding fit with the supporting seat, wherein the supporting seat 2 is matched with the inner surface of a bearing race 5, and the cone 4 is matched with the inner surface of a bearing shaft ring 7; the cone 4 comprises a guide part, a press-mounting part and a pressing part which are sequentially arranged, the guide part is in sliding fit with the supporting seat 2, the press-mounting part is matched with the inner surface of the bearing shaft ring 7 to press the bearing inner cover 6 on the inner surface of the bearing, and the pressing part protrudes out of the end face of the bearing. A thrust ball bearing assembly fixture still include base 1, be provided with the concave station and the middle chamber that are linked together on the base 1, the concave station cooperates with bearing race outer wall, bearing race internal assembly has the bearing inner cover, the middle chamber forms the space of placing bearing inner cover 6.
Based on the technical scheme, it needs to be explained that the tool is used for press mounting in two steps, in the first step, the base 1 supports the bearing race 5, and the bearing base 2 presses the inner bearing cover 6 on the bearing race 5, as shown in fig. 1; and in the second step, the bearing workpiece is supported by the supporting seat 2, and the steel ball retainer assembly 8 and the bearing inner cover 6 on the inner surface of the bearing shaft washer are pressed by the cone 4 pressing part, as shown in fig. 2. The main purpose of the second press fitting is to bend the edge of the inner bearing cover 6 against the small bevel of the bearing race 7 to complete the installation of the inner cover 6. Therefore, the press-mounting part of the cone 4 is a conical surface matched with the small bevel edge of the bearing shaft ring 7, the press-mounting operation is completed through the sliding guide of the guide part, the impact is reduced, and the press-mounting quality is ensured. The inner cover adopts two-step press fitting, and is respectively in press fitting fit with the bearing race and the bearing shaft ring, and the two-step press fitting is continuous, so that the press fitting quality of the inner cover is ensured.
The supporting seat and the base are made of No. 45 steel, the hardness of the supporting seat is smaller than that of the bearing ring, and the bearing is prevented from being damaged; the cone and the guide sleeve are made of bearing steel with lower hardness (the hardness is higher than that of No. 45 steel and lower than that of a bearing ring), so that the cone and the guide sleeve are wear-resistant and the service life is prolonged.
Furthermore, an annular spigot matched with the inner surface of the bearing race 5 is arranged on the end face of one end of the supporting seat 2, and the supporting seat 2 presses the bearing inner cover 6 on the inner surface of the bearing race 5 through the annular spigot.
Based on the technical scheme, it needs to be explained that the supporting seat 2 is matched with the base 1 in the first step of press fitting process, the base 1 supports the bearing race 5, and the supporting seat 2 presses the inner bearing cover 6 on the bearing race 5, as shown in fig. 1; the bearing seat 2 is matched with the cone 4 in the second step of press fitting process, at the moment, the bearing seat 2 plays a role in supporting the bearing race 5 and the whole assembled bearing workpiece, and the steel ball retainer assembly 8 and the bearing inner cover 6 on the inner surface of the bearing shaft collar are press fitted through the cone 4, as shown in figure 2. The end face of the supporting seat is provided with a concave platform capable of accommodating the end face of the cone press-mounting part, so that the cone press-mounting part and the supporting seat are not interfered, and the whole press-mounting face can be completely transited and uniformly pressed.
Further, the end face and the side wall of the annular spigot are in arc transition. The transition face between the end face and the side wall of the annular spigot is in contact with the bearing inner cover 6 and forms a part of a press-fitting face, and the arc-shaped structure can ensure that the pressure applied to the bearing inner cover 6 is even and cannot be damaged.
Furthermore, the press-mounting part of the cone 4 is matched with the inner surface of the bearing collar 7 and the inner surface of the holder assembly 8, and the press-mounting part of the cone 4 and the spigot of the support seat 2 form a press-mounting structure of the inner surface of the bearing. Specifically, the bearing seat, the step surface of the spigot, the side surface of the spigot, the end surface of the spigot and the press-fitting part-in side surface of the cone 4 jointly form a press-fitting surface of the press-fitting structure of the inner surface of the bearing.
Furthermore, a guide hole matched with the press-fitting direction of the cone 4 is formed in the supporting seat 2, and a guide part of the cone 4 is matched with the guide hole of the supporting seat 2 for guiding; the inner surface of the guide hole is provided with a guide sleeve 3, and the guide part of the cone 4 slides in the guide sleeve 3. The cone 4 is guided by the guide sleeve 3 to determine the correct position for involution, so that the precision is ensured, and the service life of the press-fitting die can be prolonged.
Furthermore, the knurling setting of the portion of exerting pressure surface of cone 4 makes things convenient for the during operation dismouting.
This thrust ball bearing inner cover crimping mould comprises four parts: cone 4, guide pin bushing 3, bearing 2, base 1. When the inner cover 6 is pressed, the base 1 is firstly arranged on a workbench, the raceway of the thrust ball bearing race 5 is downwards buckled in the concave table of the base 1, the inner cover 6 is placed, the inner cover 6 is pressed by the supporting seat 2, the inner cover 6 is attached to the bearing race 5, then the whole body is turned over, the supporting seat 2 is arranged below the base 1, the steel ball retainer assembly 8 and the bearing race 7 are arranged on the bearing race 5, the guide sleeve 3 is placed, the guide sleeve 3 is matched with the guiding hole of the supporting seat, and finally the inner cover 6 is pressed and installed by the guide sleeve 3 and the guide part protruding from the cone, so that the edge of the inner cover 6 is bent to be attached to the small bevel edge of the bearing race 7 to complete the installation of the inner cover 6.
Referring to the accompanying drawings 2-9, the assembling method of the thrust ball bearing assembling tool comprises the following steps:
the method comprises the following steps: downwards buckling the bearing race raceway in a concave table of a base;
step two: placing a bearing inner cover on the inner surface of the bearing race;
step three: the bearing inner cover is pressed and mounted through the matching of the pressing and mounting part of the supporting seat and the inner surface of the bearing race, so that the bearing inner cover is attached to the inner surface of the bearing race;
step four: integrally overturning the base, the bearing race and the supporting seat, and removing the base above;
step five: mounting the steel ball retainer assembly and the bearing shaft ring on the bearing seat ring, and extending the bearing inner cover to the inner surface of the bearing shaft ring;
step six: placing a guide sleeve in the guide hole of the support seat to enable the guide sleeve to be matched with the guide hole of the support seat;
step seven: the cone guide part is in sliding fit with the guide sleeve, so that the cone pressing part is attached to the inner surface of the bearing shaft ring and the inner surface of the retainer assembly, and the bearing inner cover is pressed.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
The foregoing lists preferred embodiments of the invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (8)
1. The utility model provides a thrust ball bearing assembly fixture which characterized in that: the bearing seat is matched with the inner surface of a bearing race, and the cone is matched with the inner surface of a bearing shaft ring; the cone comprises a guide part, a press-mounting part and a pressure-applying part which are sequentially arranged, wherein the guide part is in sliding fit with the supporting seat, the press-mounting part is matched with the inner surface of the bearing shaft ring to press the bearing inner cover against the inner surface of the bearing, and the pressure-applying part protrudes out of the end surface of the bearing.
2. The thrust ball bearing assembling tool according to claim 1, characterized in that: and an annular spigot matched with the inner surface of the bearing race is arranged on the end face of one end of the supporting seat, and the supporting seat presses the inner bearing cover on the inner surface of the bearing race through the annular spigot.
3. The thrust ball bearing assembling tool according to claim 2, characterized in that: the end face and the side wall of the annular spigot are in arc transition.
4. The thrust ball bearing assembling tool according to claim 1, characterized in that: the cone press-fitting part is matched with the inner surface of the bearing shaft ring and the inner surface of the retainer assembly, and the cone press-fitting part and the spigot of the supporting seat form a press-fitting structure of the inner surface of the bearing.
5. The thrust ball bearing assembling tool according to claim 1, characterized in that: the supporting seat is provided with a guide hole matched with the press-fitting direction of the cone, and the guide part of the cone is matched with the guide hole of the supporting seat for guiding.
6. The thrust ball bearing assembling tool according to claim 5, characterized in that: the inner surface of the guide hole is provided with a guide sleeve, and the guide part of the cone slides in the guide sleeve.
7. The thrust ball bearing assembling tool according to any one of claims 1 to 6, characterized in that: still include the base, be provided with concave station and middle chamber that are linked together on the base, concave station and bearing race outer wall cooperation, bearing race is inside to be equipped with the bearing inner cover, and the middle chamber forms the space of placing the bearing inner cover.
8. The thrust ball bearing assembling tool according to claim 7, characterized in that: the supporting seat and the base are made of No. 45 steel; the cone and the guide sleeve are made of bearing steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221631420.6U CN217633511U (en) | 2022-06-28 | 2022-06-28 | Thrust ball bearing assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221631420.6U CN217633511U (en) | 2022-06-28 | 2022-06-28 | Thrust ball bearing assembly fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217633511U true CN217633511U (en) | 2022-10-21 |
Family
ID=83630729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221631420.6U Active CN217633511U (en) | 2022-06-28 | 2022-06-28 | Thrust ball bearing assembly fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217633511U (en) |
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2022
- 2022-06-28 CN CN202221631420.6U patent/CN217633511U/en active Active
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