CN219649214U - Bearing inner ring positioning fixture - Google Patents

Abstract

The utility model discloses a bearing inner ring positioning fixture, which includes a fixed base. The bottom of the fixed base is symmetrically provided with support legs. The top of the fixed base is connected to a movable mounting plate through two lifting mechanisms. Above the movable mounting plate There is an inner support bearing positioning mechanism, and both sides of the bottom of the inner support bearing positioning mechanism are fixedly connected to the movable mounting plate through support frames. The device of this application has a simple structure, and the inner support bearing positioning mechanism can be adjusted as needed. The height is convenient for processing. The inner support of the fixed bearing inner ring facilitates the processing of the bearing inner ring. It can also adapt to bearing inner rings of different specifications to improve its adaptability.

Description

Bearing inner ring positioning fixture

Technical field

The utility model relates to the technical field of bearing processing, specifically to a bearing inner ring positioning fixture.

Background technique

Bearing is an important component in contemporary mechanical equipment. It is mainly used to support the mechanical rotating body, reduce the friction coefficient during movement, and ensure the rotation accuracy of the machine. The bearing is mainly composed of a bearing inner ring, a bearing outer ring and rolling or sliding parts arranged between the bearing inner ring and the bearing outer ring. In order to ensure the accuracy requirements of the bearing, the outer side wall of the bearing inner ring and the inner side wall of the bearing outer ring are processed.

The patent application number CN201420581143.1 discloses a positioning fixture for bearing inner ring processing, which can firmly and reliably clamp and position the workpiece, facilitate the tool to extend into the part to be processed for processing, and can also cooperate with the feeding and discharging devices. Realize automatic feeding and discharging.

However, the bearing inner ring fixture can only be used for bearing inner rings of the same size. When processing other types of bearing inner rings, the fixture needs to be replaced. Not only is the process cumbersome, but the use of multiple fixtures also increases the production of bearings accordingly. cost.

No effective solutions have yet been proposed for the problems in related technologies.

Utility model content

In view of the problems in the related technologies, the present invention proposes a bearing inner ring positioning fixture to overcome the above technical problems existing in the existing related technologies.

The technical solution of the present utility model is implemented as follows:

The bearing inner ring positioning fixture includes a fixed base. The bottom of the fixed base is symmetrically provided with support legs. The top of the fixed base is connected to a movable mounting plate through two lifting mechanisms. An inner support is provided above the movable mounting plate. Bearing positioning mechanism, both sides of the bottom of the internally supported bearing positioning mechanism are fixedly connected to the movable mounting plate through support frames.

Preferably, the lifting mechanism includes an outer cylinder. The outer cylinder is provided with a support rod fixedly connected to the bottom end of the movable mounting plate. One end of the support rod is located in the outer cylinder and is connected to the outer cylinder. An electric telescopic rod is connected between the inner bottoms of the body.

Preferably, guide slide blocks are integrally provided on both sides of one end of the support rod located in the outer cylinder, and guide slide grooves matching the guide slide blocks are provided on both sides of the inner wall of the outer cylinder.

Preferably, the inner support bearing positioning mechanism includes an outer cylinder, a cavity is provided in the outer cylinder, and a threaded hole connected to the cavity is provided at the bottom of the outer cylinder. A threaded rod is provided throughout, and one end of the threaded rod located in the cavity is equipped with a lifting block through a bearing. The lifting block is symmetrically provided with a connecting block, and guide holes are provided on both sides of the cavity. A guide rod is movably provided in the guide hole. One end of the guide rod located outside the outer cylinder is connected to an arc-shaped clip. The end of the guide rod located in the cavity is movably connected to the connecting block. There are movable poles.

Preferably, a limit plate is installed symmetrically on the outer wall of the outer cylinder below the arc-shaped clip, and a twisting knob is provided on one end of the threaded rod outside the cavity.

Preferably, the arc-shaped clip includes an inner arc-shaped support plate, the inner wall of the inner arc-shaped support plate is provided with a mounting groove connected to the guide rod, and the outer wall of the inner arc-shaped support plate is bonded with elastic rubber. pad.

The utility model provides a bearing inner ring positioning fixture, which has the following beneficial effects:

Through the lifting mechanism provided between the fixed base and the movable mounting plate, the movable mounting plate can be adjusted to an appropriate height as needed, so that the inner support bearing positioning mechanism installed on it can be adjusted to an appropriate height, and the inner ring of the bearing can be adjusted to the appropriate height. When positioning, the inner ring of the bearing is placed on the inner-supported bearing positioning mechanism, which can support the inner ring of the bearing outward from the inner wall of the bearing inner ring. Through the function of the support frame, the inner-supported bearing is positioned The mechanism is installed on the movable mounting plate and is kept at a certain distance from the movable mounting plate. The device of this application has a simple structure. The height of the internally supported bearing positioning mechanism can be adjusted as needed to facilitate its processing. Through the internally supported bearing Fixing the bearing inner ring facilitates the processing of the bearing inner ring and can adapt to bearing inner rings of different specifications to improve its adaptability.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of a bearing inner ring positioning fixture according to an embodiment of the present invention;

Figure 2 is a schematic structural diagram of the lifting mechanism in the bearing inner ring positioning fixture according to an embodiment of the present invention;

Figure 3 is a schematic structural diagram of the inner support bearing positioning mechanism in the bearing inner ring positioning fixture according to an embodiment of the present invention;

Figure 4 is a schematic structural diagram of an arc-shaped clip in a bearing inner ring positioning fixture according to an embodiment of the present invention.

In the picture:

1. Fixed base; 2. Supporting legs; 3. Lifting mechanism; 4. Movable mounting plate; 5. Internal support bearing positioning mechanism; 6. Support frame; 7. Outer cylinder; 8. Support rod; 9. Electric telescopic Rod; 10. Guide chute; 11. Guide slide block; 12. Outer cylinder; 13. Cavity; 14. Threaded hole; 15. Threaded rod; 16. Bearing; 17. Lifting block; 18. Connecting block; 19 , Guide hole; 20. Guide rod; 21. Arc clip; 22. Movable rod; 23. Limiting plate; 24. Inner arc support plate; 25. Installation slot; 26. Elastic rubber pad.

Detailed ways

The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are only some of the embodiments of the utility model, rather than all of the embodiments. The embodiments and features in the embodiments in this application may be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of utility model protection.

It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back...), then the directional indications are only used to explain the position of a certain posture (as shown in the accompanying drawings). The relative positional relationship, movement conditions, etc. between the components under the display). If the specific posture changes, the directional indication will also change accordingly.

In addition, "plurality" means two or more. In addition, the technical solutions in various embodiments can be combined with each other, but it must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that such a combination of technical solutions does not exist. , nor is it within the scope of protection required by the utility model.

Please refer to Figures 1-4. The bearing inner ring positioning fixture according to the embodiment of the present invention includes a fixed base 1. The bottom of the fixed base 1 is symmetrically provided with support legs 2. The top of the fixed base 1 is lifted and lowered by two The mechanism 3 is connected to a movable installation plate 4. An internal support bearing positioning mechanism 5 is provided above the movable installation plate 4. Both sides of the bottom of the internal support bearing positioning mechanism 5 are connected to the movable installation plate 4 through support frames 6. Fixed connection, through the lifting mechanism 3 provided between the fixed base 1 and the movable mounting plate 4, the movable mounting plate 4 can be adjusted to a suitable height as needed, so that the inner support bearing positioning mechanism 5 installed on it can be adjusted to At a suitable height, when positioning the inner ring of the bearing, place the inner ring of the bearing on the inner support bearing positioning mechanism 5, which can support the inner ring of the bearing outward from the inner wall of the bearing inner ring through the support frame. 6, the inner-supported bearing positioning mechanism 5 is installed on the movable mounting plate 4, and keeps a certain distance from the movable mounting plate 4. The device of this application has a simple structure, and the inner-supporting bearing positioning mechanism can be adjusted as needed. The height of 5 is convenient for processing. The inner support of the fixed bearing inner ring facilitates the processing of the bearing inner ring and can adapt to different specifications of bearing inner rings to improve its adaptability.

In one embodiment, please refer to Figure 2 of the description. The lifting mechanism 3 includes an outer cylinder 7 . The outer cylinder 7 is provided with a support rod 8 fixedly connected to the bottom end of the movable mounting plate 4 . , an electric telescopic rod 9 is connected between one end of the support rod 8 located in the outer cylinder 7 and the inner bottom of the outer cylinder 7 , and the support rod 8 is located at one end of the outer cylinder 7 Guide slide blocks 11 are integrally provided on both sides, and guide slide grooves 10 matching the guide slide blocks 11 are provided on both sides of the inner wall of the outer cylinder 7 . The electric telescopic rod 9 arranged in the outer cylinder 7 drives the support rod 8 to rise and fall, so that the movable mounting plate 4 can be lifted and lowered. The arrangement of the outer cylinder 7 can protect the electric telescopic rod 9, and the guide slider 11 The arrangement with the guide chute 10 increases the stability of the support rod 8 when it is lifted and lowered.

In one embodiment, please refer to Figure 3 of the description. The inner-supported bearing positioning mechanism 5 includes an outer cylinder 12, and a cavity 13 is provided inside the outer cylinder 12. The bottom is provided with a threaded hole 14 communicating with the cavity 13. A threaded rod 15 is provided in the threaded hole 14. An end of the threaded rod 15 located in the cavity 13 is equipped with a lifting block 17 through a bearing 16. , the lifting block 17 is symmetrically provided with a connecting block 18, and guide holes 19 are provided on both sides of the cavity 13. A guide rod 20 is movably provided in the guide hole 19, and the guide rod 20 is located on the An arc-shaped clip 21 is connected to the outer end of the outer cylinder 12 , and a movable rod 22 is movably connected between the end of the guide rod 20 located in the cavity 13 and the connecting block 18 . The outer cylinder 12 The outer wall is located below the arc-shaped clip 21 and is symmetrically installed with a limiting plate 23. The end of the threaded rod 15 located outside the cavity 13 is provided with a twisting knob. Through the provided outer cylinder 12, when processing, the inner ring of the bearing is placed on the outer cylinder 12, and after the limit plate 23 is used to limit the position from the bottom, the threaded rod 15 is manually rotated, and through the action of the threaded hole 14, the Its upward movement makes the lifting block 17 rise through the function of the inner ring of the bearing 16, so that the connecting block 18 pushes the movable rod 22 to extend. Through the action of the guide hole 19, the guide rod 20 pushes the arc-shaped clip 21 from the inside. Position the inner ring of the bearing outside the outer cylinder 12 from the inside, and then reverse the operation when removing it.

In one embodiment, please refer to Figure 4 of the description. The arc-shaped clip 21 includes an inner arc-shaped support plate 24. The inner wall of the inner arc-shaped support plate 24 is provided with a mounting plate connected to the guide rod 20. Groove 25, the outer wall of the inner arc-shaped support plate 24 is bonded with an elastic rubber pad 26. The installation groove 25 provided on the inner wall of the inner arc-shaped support plate 24 facilitates the installation and connection of the guide rod 20. The elastic rubber pad 26 provided outside the inner arc-shaped support plate 24 prevents it from causing friction and scratches on the inner wall of the bearing inner ring. mark.

In practical applications, through the lifting mechanism 3 provided between the fixed base 1 and the movable mounting plate 4, the movable mounting plate 4 can be adjusted to a suitable height as needed, so that the inner support bearing positioning mechanism 5 installed on it can When adjusting to a suitable height and positioning the inner ring of the bearing, place the inner ring of the bearing on the inner support bearing positioning mechanism 5, which can support the inner ring of the bearing outward from the inner wall of the bearing inner ring. The function of the support frame 6 is to install the internally supported bearing positioning mechanism 5 on the movable mounting plate 4 and keep it at a certain distance from the movable mounting plate 4. The device of this application has a simple structure and can adjust the internally supported bearing as needed. The height of the positioning mechanism 5 facilitates its processing. The inner support of the fixed bearing inner ring facilitates the processing of the bearing inner ring and can adapt to bearing inner rings of different specifications to improve its adaptability.

The above descriptions are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in within the protection scope of this utility model.

Claims (6)

1. The bearing inner ring positioning clamp is characterized by comprising a fixed base (1), supporting legs (2) are symmetrically arranged at the bottom of the fixed base (1), a movable mounting plate (4) is connected to the top of the fixed base (1) through two lifting mechanisms (3), an inner supporting type bearing positioning mechanism (5) is arranged above the movable mounting plate (4), and two sides of the bottom of the inner supporting type bearing positioning mechanism (5) are fixedly connected with the movable mounting plate (4) through supporting frames (6).

2. The bearing inner ring positioning clamp according to claim 1, wherein the lifting mechanism (3) comprises an outer cylinder body (7), a supporting rod (8) fixedly connected with the bottom end of the movable mounting plate (4) is arranged in the outer cylinder body (7), and an electric telescopic rod (9) is connected between one end of the supporting rod (8) positioned in the outer cylinder body (7) and the inner bottom of the outer cylinder body (7).

3. The bearing inner ring positioning clamp according to claim 2, wherein guide sliding blocks (11) are integrally arranged on two sides of one end of the supporting rod (8) positioned in the outer cylinder body (7), and guide sliding grooves (10) matched with the guide sliding blocks (11) are formed on two sides of the inner wall of the outer cylinder body (7).

4. A bearing inner race positioning fixture according to claim 3, characterized in that the inner support type bearing positioning mechanism (5) comprises an outer cylinder (12), a cavity (13) is arranged in the outer cylinder (12), a threaded hole (14) communicated with the cavity (13) is arranged at the bottom of the outer cylinder (12), a threaded rod (15) is arranged in the threaded hole (14) in a penetrating manner, a lifting block (17) is arranged at one end of the threaded rod (15) in the cavity (13) through a bearing (16), connecting blocks (18) are symmetrically arranged on the lifting block (17), guide holes (19) are arranged at two sides of the cavity (13), guide rods (20) are movably arranged in the guide holes (19) in a penetrating manner, arc clamping pieces (21) are connected at one end of the guide rods (20) located outside the outer cylinder (12), and movable rods (22) are movably connected between one end of the guide rods (20) located in the cavity (13) and the connecting blocks (18).

5. The bearing inner ring positioning clamp according to claim 4, wherein limiting plates (23) are symmetrically arranged below the arc clamping pieces (21) on the outer wall of the outer cylinder (12), and a screwing knob is arranged at one end of the threaded rod (15) located outside the cavity (13).

6. The bearing inner ring positioning clamp according to claim 5, wherein the arc clamping piece (21) comprises an inner arc-shaped supporting plate (24), a mounting groove (25) connected with the guide rod (20) is formed in the inner wall of the inner arc-shaped supporting plate (24), and an elastic rubber pad (26) is adhered to the outer wall of the inner arc-shaped supporting plate (24).