Double-pressure bearing outer ring tool

Abstract

The utility model relates to the technical field of bearing press fitting, in particular to a double-pressure bearing outer ring tool which can be used for press fitting of bearing outer rings to the upper end and the lower end of a product at the same time, and is high in press fitting efficiency, convenient to use and high in practicability. Comprising a bottom plate, a floating plate, an upper pressure head, a lower mandrel and an elastic mechanism, the lower mandrel is fixedly mounted in the middle of the bottom plate, a vertically-through through hole is formed in the middle of the lower mandrel, a bearing table is arranged in the middle of the lower mandrel, a positioning column is arranged on the upper portion of the bearing table, and the floating plate is mounted at the upper end of the bottom plate through the elastic mechanism; a vertically-through round hole is formed in the middle of the floating plate, the elastic mechanism has elasticity in the vertical direction, and the upper pressing head is located above the floating plate.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing press-fitting, in particular to a double-pressing bearing outer ring tooling. Background Art

[0002] Brake drums, brake discs, and wheel hubs are important components of a car, and they are usually connected to the axle via bearings. When assembling the brake drum, brake disc, or wheel hub with the axle, the bearings must first be installed on the brake drum, brake disc, or wheel hub. Currently, when installing bearings on brake drums, brake discs, or wheel hubs, the outer ring of the bearing must first be pressed into the product, and then the inner ring of the bearing must be pressed into the inner ring of the bearing. Since the upper and lower ends of the brake drum, brake disc, and wheel hub need to be press-fitted during installation, the current press-fitting mechanism can only press-fit one end of the product, and then replace the tooling to press-fit the other end of the product. This makes press-fitting inefficient and inconvenient to use, so a tooling that can press-fit both ends of the product simultaneously is needed. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a double-press bearing outer ring tooling which can simultaneously press-fit bearing outer rings to the upper and lower ends of a product, has high pressing efficiency, is easy to use and has high practicality.

[0004] The utility model discloses a double-pressure bearing outer ring tooling; it includes a base plate, a floating plate, an upper pressure head, a lower core shaft and an elastic mechanism, the lower core shaft is fixedly installed in the middle of the base plate, the middle part of the lower core shaft is provided with a through hole communicating with each other up and down, the middle part of the lower core shaft is provided with a bearing platform, the upper part of the bearing platform is provided with a positioning column, the floating plate is installed at the upper end of the base plate through the elastic mechanism, the middle part of the floating plate is provided with a circular hole communicating with each other up and down, the elastic mechanism has elasticity in the up and down directions, and the upper pressure head is located above the floating plate; when press-fitting the bearing outer ring at the upper and lower ends of the product, first, the bearing outer ring B is sleeved on the lower core shaft, and the bearing outer ring B is placed on the bearing platform of the lower core shaft, and then the product is adjusted in direction and placed on the floating plate, so that the lower part of the product passes through the circular hole of the floating plate and is located below the floating plate, and then the bearing outer ring A is placed on the upper end of the product, Afterwards, the upper pressure head is lowered by the external downward pressure mechanism. During the descending process, the upper pressure head presses the bearing outer ring A into the upper part of the product. At the same time, the upper pressure head applies downward pressure on the product through the bearing outer ring A, causing the product and the floating plate to descend at the same time until the lower part of the product contacts the bearing outer ring B, so that the bearing outer ring B is pressed into the lower part of the product. Then, the external downward pressure mechanism is raised. Then, under the action of the elastic mechanism, the floating plate returns to its initial position. The floating plate drives the product to return to its initial position. At the same time, the product drives the bearing outer ring B and the bearing outer ring A pressed into the interior of the product to rise. Then, the product with the bearing outer ring pressed can be removed from the floating plate. It can press the bearing outer ring A and the bearing outer ring B to the upper and lower parts of the product at the same time. Compared with the existing technology, it improves the efficiency of press-fitting, is easy to use, and has high practicality.

[0005] Preferably, the elastic mechanism includes multiple groups of springs, the lower ends of the multiple groups of springs are fixed on the bottom plate, and the upper ends of the multiple groups of springs are fixedly mounted on the floating plate; when the bearing is press-fitted on the product, the product applies pressure to the floating plate, and then the floating plate drops and the spring is compressed. When the press-fitting is completed, under the action of the spring force, the floating plate restores the product to its initial height, and the product drives the bearing outer ring B and the bearing outer ring A to rise together, so that the bearing outer ring B mounted on the lower core shaft can automatically rise above the lower core shaft, which facilitates the removal of the product and improves convenience.

[0006] Preferably, a positioning pin is provided at the upper end of the spring, and the upper end of the spring is fixedly connected to the floating plate via the positioning pin; through the above arrangement, the positioning between the spring and the floating plate is facilitated, thereby improving convenience.

[0007] Preferably, it also includes multiple groups of bolts, which are all screwed onto the floating plate, and there is a gap between the lower ends of the multiple groups of bolts and the base plate; when the bearing outer ring is pressed onto the product, the floating plate descends, and the floating plate drives the bolts to descend together, until the lower ends of the bolts contact the base plate, which means that the bearing outer ring A and the bearing outer ring B have been pressed into place on the product, avoiding over-travel downward pressure that may cause the lower core shaft or the bearing outer ring to be crushed, thereby improving reliability during use.

[0008] Preferably, the spring is a light-load spring; through the above arrangement, its structure is more compact, the response speed is faster, and it can quickly adapt to load fluctuations, thereby ensuring the stability of the mechanical system.

[0009] Preferably, the lower end of the upper pressure head is provided with a chamfer; through the above arrangement, the lower part of the upper pressure head is more easily inserted into the through hole in the middle part of the lower core shaft, thereby improving convenience.

[0010] Compared with the prior art, the utility model has the beneficial effects of being able to press-fit the bearing outer rings to the upper and lower ends of the product at the same time, with high press-fitting efficiency, easy use and high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is an exploded view of the utility model;

[0012] Figure 2 This is a schematic cross-sectional view of the utility model when the outer ring of the bearing is press-fitted;

[0013] Figure 3 It is a schematic diagram of the cross-sectional structure of the lower core shaft and the bottom plate;

[0014] Figure 4 It is a schematic diagram of the cross-sectional structure of the bolt, spring and floating plate.

[0015] Markings in the accompanying drawings: 1. Base plate; 2. Floating plate; 3. Product; 4. Upper pressure head; 5. Bearing outer ring A; 6. Bearing outer ring B; 7. Lower core shaft; 8. Bolt; 9. Spring; 10. Locating pin. DETAILED DESCRIPTION

[0016] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention. Example

[0017] It should be noted in advance that Product 3 in this case refers to brake discs, brake drums or wheel hubs.

[0018] like Figures 1 to 4The double-pressure bearing outer ring tooling of this case includes a base plate 1, a floating plate 2, an upper pressure head 4, a lower core shaft 7 and an elastic mechanism. The lower core shaft 7 is fixedly installed in the middle of the base plate 1, and a through hole communicating with each other up and down is provided in the middle of the lower core shaft 7. A bearing platform is provided in the middle of the lower core shaft 7, and a positioning column is provided on the upper part of the bearing platform. The floating plate 2 is installed on the upper end of the base plate 1 through the elastic mechanism, and a circular hole communicating with each other up and down is provided in the middle of the floating plate 2. The elastic mechanism has elasticity in the up and down directions, and the upper pressure head 4 is located above the floating plate 2; when pressing the bearing outer ring at the upper and lower ends of the product 3, first put the bearing outer ring B6 on the lower core shaft 7, and place the bearing outer ring B6 on the bearing platform of the lower core shaft 7, then adjust the direction of the product 3 and place it on the floating plate 2, so that the lower part of the product 3 passes through the circular hole of the floating plate 2 and is located below the floating plate 2, then place the bearing outer ring A5 on the upper end of the product 3, and then through The upper pressure head 4 is lowered by the external downward pressure mechanism. During the descending process, the upper pressure head 4 presses the bearing outer ring A5 into the upper part of the product 3. At the same time, the upper pressure head 4 applies downward pressure to the product 3 through the bearing outer ring A5, so that the product 3 and the floating plate 2 are lowered at the same time until the lower part of the product 3 contacts the bearing outer ring B6, so that the bearing outer ring B6 is pressed into the lower part of the product 3. Then the external downward pressure mechanism is raised. Then, under the action of the elastic mechanism, the floating plate 2 returns to its initial position. The floating plate 2 drives the product 3 to return to its initial position. At the same time, the product 3 drives the bearing outer ring B6 and the bearing outer ring A5 pressed into the interior of the product 3 to rise. Then, the product 3 with the bearing outer ring pressed can be removed from the floating plate 2. It can press the bearing outer ring A5 and the bearing outer ring B6 into the upper and lower parts of the product 3 at the same time. Compared with the existing technology, it improves the efficiency of press-fitting, is easy to use, and has high practicality.

[0019] like Figure 1 and Figure 2 The elastic mechanism includes multiple groups of springs 9, the lower ends of the multiple groups of springs 9 are fixed on the bottom plate 1, and the upper ends of the multiple groups of springs 9 are fixedly installed on the floating plate 2; when the bearing is press-fitted on the product 3, the product 3 applies pressure to the floating plate 2, and then the floating plate 2 drops, and the spring 9 is compressed. When the press-fitting is completed, under the action of the elastic force of the spring 9, the floating plate 2 restores the product 3 to its initial height, and the product 3 drives the bearing outer ring B6 and the bearing outer ring A5 to rise together, so that the bearing outer ring B6 sleeved on the lower core shaft 7 can automatically rise to above the lower core shaft 7, which facilitates the removal of the product 3 and improves convenience.

[0020] A positioning pin 10 is provided at the upper end of the spring 9, and the upper end of the spring 9 is fixedly connected to the floating plate 2 through the positioning pin 10; through the above arrangement, the positioning between the spring 9 and the floating plate 2 is facilitated, and the convenience is improved.

[0021] like Figure 2 and Figure 4, multiple groups of bolts 8 are screwed onto the floating plate 2, and there is a gap between the lower ends of the multiple groups of bolts 8 and the bottom plate 1; when the bearing outer ring is pressed onto the product 3, the floating plate 2 descends, and the floating plate 2 drives the bolts 8 to descend together. When the lower ends of the bolts 8 contact the bottom plate 1, it means that the bearing outer ring A5 and the bearing outer ring B6 have been pressed into place on the product 3, avoiding over-travel pressing that may cause the lower core shaft 7 or the bearing outer ring to be crushed, thereby improving reliability during use.

[0022] The spring 9 is a light-load spring, and the lower end of the upper pressure head 4 is provided with a chamfer.

[0023] The spring 9 and the positioning pin 10 of the double-pressure bearing outer ring tooling of the present invention are purchased on the market. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative labor.

[0024] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A double pressure bearing outer ring tooling, characterized in that: The invention comprises a bottom plate (1), a floating plate (2), an upper pressure head (4), a lower core shaft (7) and an elastic mechanism, wherein the lower core shaft (7) is fixedly mounted in the middle of the bottom plate (1), a through hole communicating with each other in the middle of the lower core shaft (7), a bearing platform is arranged in the middle of the lower core shaft (7), a positioning column is arranged on the upper part of the bearing platform, the floating plate (2) is mounted on the upper end of the bottom plate (1) through the elastic mechanism, a circular hole communicating with each other in the middle of the floating plate (2), the elastic mechanism has elasticity in the up-down direction, and the upper pressure head (4) is located above the floating plate (2).

2. A dual pressure bearing outer ring fixture as claimed in claim 1, characterized in that: The elastic mechanism comprises multiple groups of springs (9), the lower ends of the multiple groups of springs (9) are fixed on the bottom plate (1), and the upper ends of the multiple groups of springs (9) are fixedly mounted on the floating plate (2).

3. A dual pressure bearing outer ring fixture as claimed in claim 2, characterized in that: A positioning pin (10) is provided at the upper end of the spring (9), and the upper end of the spring (9) is fixedly connected to the floating plate (2) via the positioning pin (10).

4. A dual pressure bearing outer ring fixture as claimed in claim 2, characterized in that: It also includes multiple groups of bolts (8), which are all screwed onto the floating plate (2), and there is a gap between the lower ends of the multiple groups of bolts (8) and the bottom plate (1).

5. The dual pressure bearing outer ring fixture according to claim 2, characterized in that: The spring (9) is a light load spring.

6. A dual pressure bearing outer ring fixture as claimed in claim 1, characterized in that: The lower end of the upper pressure head (4) is provided with a chamfer.

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