Precise flexible bearing assembling mechanism

Abstract

The utility model discloses a precise flexible bearing assembling mechanism which comprises an assembling base, a containing groove is formed in the top end of the assembling base, a containing plate is connected into the containing groove in a sliding mode, rectangular grooves are formed in the two sides of the inner wall of the containing groove, bearing positioning assemblies are arranged in the two rectangular grooves, and the bearing positioning assemblies are connected with the containing plate in a sliding mode. A U-shaped frame is fixedly mounted at the top of the assembling base, an electric hydraulic cylinder is fixedly mounted in the center of the top of the U-shaped frame, and an assembling pressing plate is fixedly mounted at the telescopic end of the electric hydraulic cylinder. According to the assembling mechanism, the assembled flexible bearing can be in a tight compression state through the bearing positioning assemblies arranged on the two sides of the inner wall of the containing groove, the assembling pressing plate is pushed by the electric hydraulic cylinder to vertically move downwards, the stability of the flexible bearing in the assembling process is ensured, and therefore the assembling precision of the flexible bearing is improved.

Description

Technical Field

[0001] The utility model relates to a precision flexible bearing assembly mechanism, belonging to the technical field of flexible bearings. Background Art

[0002] A flexible bearing, also known as a universal joint, is a bearing capable of rotating at any angle. It consists of two interconnected shoulder plates, connected by a flexible material. Flexible bearings offer excellent elasticity and flexibility, allowing them to rotate at any angle. Consequently, they are widely used in aviation, machinery, automotive, and other fields.

[0003] During the current assembly process of flexible bearings, operators are required to support the assembly axis. Manual support cannot ensure the verticality of the assembly axis, which affects the tightness of the flexible bearing assembly. For this reason, we have designed a precision flexible bearing assembly mechanism to solve the above technical problems. Utility Model Content

[0004] The purpose of the present utility model is to provide a precision flexible bearing assembly mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes an assembly base, a placement groove is provided at the top of the assembly base, a placement plate is slidably connected to the inside of the placement groove, rectangular grooves are provided on both sides of the inner wall of the placement groove, and bearing positioning assemblies are provided inside the two rectangular grooves, a U-shaped frame is fixedly installed on the top of the assembly base, an electric hydraulic cylinder is fixedly installed at the center of the top of the U-shaped frame, and an assembly pressure plate is fixedly installed on the telescopic end of the electric hydraulic cylinder.

[0006] In the above-mentioned precision flexible bearing assembly mechanism, the bearing positioning assembly includes two positioning push plates, the interiors of the two rectangular grooves are nested with positioning push plates, and connecting rods are fixedly installed at the centers of the backs of the two positioning push plates.

[0007] In the above-mentioned precision flexible bearing assembly mechanism, cavities are opened on both sides of the interior of the assembly base, and the other ends of the two connecting rods are fixedly connected to the interior of the cavity with connecting plates, and through holes are opened on both sides of the connecting plates. Limiting rods are inserted into the interiors of the two through holes, and the two ends of the limiting rods are fixedly connected to the two sides of the inner wall of the cavity.

[0008] In the above-mentioned precision flexible bearing assembly mechanism, the ends of the two limit rods close to the positioning push plate are nested and connected with a return spring, one end of the return spring is fixedly connected to the cavity wall, and the other end of the return spring is fixedly connected to the surface of the connecting plate. The internal rotation of the cavity is connected with a two-way cam, and the side surface of the two-way cam is in contact with the other side surface of the connecting plate. A first self-locking servo motor fixedly connected to the top of the assembly base is provided at the alignment position of the two-way cam, and the output shaft of the first self-locking servo motor is fixedly connected to the center of the two-way cam.

[0009] In the above-mentioned precision flexible bearing assembly mechanism, a strip-shaped through groove communicating with the outside world is provided at the top of the cavity, and evenly distributed scale lines are engraved on the side of the strip-shaped through groove. An indicator block is fixedly installed on one side of the top end of the connecting rod, and the indicator block extends to the interior of the strip-shaped through groove and slides inside the strip-shaped through groove.

[0010] In the above-mentioned precision flexible bearing assembly mechanism, a T-shaped groove is provided at the bottom of the placement groove, and a T-shaped slider is slidably connected to the inside of the T-shaped groove. The top of the T-shaped slider is fixedly connected to the bottom end of the placement plate, and a lead screw is rotatably connected on both sides of the inner wall of the T-shaped groove. The lead screw is threadedly connected to the center of the T-shaped slider, and a second self-locking servo motor is fixedly installed on the side of the assembly base, and the output shaft of the second self-locking servo motor is fixedly connected to one end of the lead screw.

[0011] In the above-mentioned precision flexible bearing assembly mechanism, an assembly groove is provided at the bottom of the assembly pressure plate, and a magnetic block is fixedly installed inside the assembly groove.

[0012] Compared with the existing technology, the beneficial effect of the utility model is that the assembly mechanism can put the assembled flexible bearing in a tightly compressed state by placing the bearing positioning components arranged on both sides of the inner wall of the groove, and push the assembly pressure plate vertically downward through the electric hydraulic cylinder, thereby ensuring the stability of the flexible bearing during assembly, thereby improving the accuracy of the flexible bearing assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural diagram of a precision flexible bearing assembly mechanism of the utility model;

[0014] Figure 2 This is a schematic diagram of the cross-sectional top view of the assembly base of a precision flexible bearing assembly mechanism of the present utility model;

[0015] Figure 3 This utility model is a precision flexible bearing assembly mechanism Figure 2 A partial enlarged view of the middle part;

[0016] Figure 4The utility model is a schematic diagram of the cross-sectional structure of an assembly pressure plate of a precision flexible bearing assembly mechanism.

[0017] In the figure: 1. Assembly base; 2. Placement groove; 3. Placement plate; 4. Electric hydraulic cylinder; 5. Assembly pressure plate; 6. First self-locking servo motor; 7. Strip through groove; 8. U-shaped frame; 9. Second self-locking servo motor; 10. T-shaped slide; 11. Screw; 12. Cavity; 13. Limit rod; 14. Connecting plate; 15. Bidirectional cam; 16. Connecting rod; 17. Reset spring; 18. Indicator block; 19. Rectangular groove; 20. Positioning push plate; 21. Magnetic block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-4 , the utility model provides a technical solution for a precision flexible bearing assembly mechanism:

[0020] according to Figure 1-4 As shown, it includes an assembly base 1, a placement groove 2 is opened at the top of the assembly base 1, a placement plate 3 is slidably connected to the inside of the placement groove 2, rectangular grooves 19 are opened on both sides of the inner wall of the placement groove 2, and bearing positioning components are provided inside the two rectangular grooves 19. A U-shaped frame 8 is fixedly installed on the top of the assembly base 1, and an electric hydraulic cylinder 4 is fixedly installed at the center of the top of the U-shaped frame 8. The telescopic end of the electric hydraulic cylinder 4 is fixedly installed with an assembly pressure plate 5.

[0021] Specifically, the assembly mechanism can put the assembled flexible bearing in a tightly compressed state by placing the bearing positioning components arranged on both sides of the inner wall of the groove 2, and push the assembly pressure plate 5 vertically downward through the electric hydraulic cylinder 4, ensuring the stability of the flexible bearing during assembly, thereby improving the accuracy of the flexible bearing assembly.

[0022] according to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the bearing positioning assembly includes two positioning push plates 20 , and the positioning push plates 20 are nested and connected inside the two rectangular grooves 19 . A connecting rod 16 is fixedly installed at the center of the back of the two positioning push plates 20 .

[0023] Cavities 12 are provided on both sides of the interior of the assembly base 1, and the other ends of the two connecting rods 16 are fixedly connected to the interior of the cavity 12 with connecting plates 14, and through holes are provided on both sides of the connecting plate 14. The interiors of the two through holes are both inserted with limiting rods 13, and the two ends of the limiting rods 13 are fixedly connected to the two sides of the inner wall of the cavity 12.

[0024] The ends of the two limit rods 13 close to the positioning push plate 20 are nested and connected with a return spring 17, one end of the return spring 17 is fixedly connected to the wall of the cavity 12, and the other end of the return spring 17 is fixedly connected to the surface of the connecting plate 14. The internal rotation of the cavity 12 is connected with a two-way cam 15, and the side of the two-way cam 15 is in contact with the other side of the connecting plate 14. The first self-locking servo motor 6 fixedly connected to the top of the assembly base 1 is provided at the alignment position of the two-way cam 15, and the output shaft of the first self-locking servo motor 6 is fixedly connected to the center of the two-way cam 15.

[0025] Specifically, the expansion and contraction of the connecting plate 14 is controlled by the cooperation of the return spring 17 and the bidirectional cam 15 , and the movement of the connecting plate 14 drives the movement of the positioning push plate 20 .

[0026] A strip-shaped through groove 7 communicating with the outside world is provided at the top of the cavity 12, and evenly distributed scale lines are engraved on the side of the strip-shaped through groove 7. An indicator block 18 is fixedly installed on one side of the top of the connecting rod 16, and the indicator block 18 extends to the inside of the strip-shaped through groove 7 and slides inside the strip-shaped through groove 7.

[0027] Specifically, the moving distance of the positioning push plate 20 can be observed through the indicator block 18 .

[0028] according to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, a T-shaped slide groove 10 is provided at the bottom of the placement groove 2, and a T-shaped slider is slidably connected inside the T-shaped slide groove 10. The top of the T-shaped slider is fixedly connected to the bottom end of the placement plate 3, and a screw 11 is rotatably connected on both sides of the inner wall of the T-shaped slide groove 10. The screw 11 is threadedly connected to the center of the T-shaped slider. A second self-locking servo motor 9 is fixedly installed on the side of the assembly base 1, and the output shaft of the second self-locking servo motor 9 is fixedly connected to one end of the screw 11.

[0029] Specifically, the second self-locking servo motor 9 drives the screw 11 to rotate, the rotation of the screw 11 drives the movement of the T-shaped slider, and the movement of the T-shaped slider drives the movement of the placement plate 3. The T-shaped slider is located at the bottom of the placement plate 3 and is not shown in the figure.

[0030] An assembly groove is formed at the bottom of the assembly pressure plate 5 , and a magnetic block 21 is fixedly installed inside the assembly groove.

[0031] Specifically, by providing the magnetic block 21 , the top of the assembly shaft can be adsorbed during assembly, replacing traditional manual support.

[0032] Working principle: The utility model provides a precision flexible bearing assembly mechanism. When using the flexible bearing assembly mechanism to assemble the flexible bearing, first place the flexible bearing on the top of the placement plate 3, then turn on the second self-locking servo motor 9, and drive the screw 11 to rotate by the second self-locking servo motor 9, and drive the T-shaped slider to move by the rotation of the screw 11, and drive the placement plate 3 to move to the inside of the placement groove 2 by the T-shaped slider, and then make the top of the assembly shaft of the flexible bearing contact with the assembly pressure plate 5, and adsorb the top of the assembly shaft by the magnetic block 21, replacing the traditional manual support, ensuring the verticality of the assembly shaft, and then turn on the first self-locking servo motor 6, and drive the bidirectional cam 15 to rotate by the first self-locking servo motor 6, and squeeze the connecting plate 14 to move by the bidirectional cam 15, so that the connecting positioning push plate 20 is pushed out to squeeze and fix the outer ring of the flexible bearing, and then turn on the electric hydraulic cylinder 4, and press the flexible bearing by the downward thrust of the electric hydraulic cylinder 4.

[0033] Matters not described in detail in this specification constitute prior art known to those skilled in the art. The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art to which the present invention relates may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A precision flexible bearing assembly mechanism, comprising an assembly base (1), a top end of the assembly base (1) is provided with a placement groove (2), the interior of the placement groove (2) is slidably connected to a placement plate (3), characterized in that: Rectangular grooves (19) are provided on both sides of the inner wall of the placement groove (2), and bearing positioning components are provided inside the two rectangular grooves (19). A U-shaped frame (8) is fixedly installed on the top of the assembly base (1), an electric hydraulic cylinder (4) is fixedly installed at the center of the top of the U-shaped frame (8), and an assembly pressure plate (5) is fixedly installed at the telescopic end of the electric hydraulic cylinder (4).

2. A precision flexible bearing assembly mechanism according to claim 1, characterized in that: The bearing positioning assembly comprises two positioning push plates (20), the interiors of the two rectangular grooves (19) are both nested and connected with positioning push plates (20), and the centers of the backs of the two positioning push plates (20) are both fixedly mounted with connecting rods (16).

3. A precision flexible bearing assembly mechanism according to claim 2, characterized in that: Both sides of the assembly base (1) are provided with cavities (12), the other ends of the two connecting rods (16) are fixedly connected to the interior of the cavity (12) with a connecting plate (14), both sides of the connecting plate (14) are provided with through holes, and the interiors of the two through holes are connected with limiting rods (13), and both ends of the limiting rods (13) are fixedly connected to the two sides of the inner wall of the cavity (12).

4. A precision flexible bearing assembly mechanism according to claim 3, characterized in that: The ends of the two limit rods (13) close to the positioning push plate (20) are both nested and connected with a return spring (17), one end of the return spring (17) is fixedly connected to the cavity wall of the cavity (12), and the other end of the return spring (17) is fixedly connected to the surface of the connecting plate (14), and the internal rotation of the cavity (12) is connected to a two-way cam (15), and the side of the two-way cam (15) is in contact with the other side of the connecting plate (14), and a first self-locking servo motor (6) fixedly connected to the top of the assembly base (1) is provided at the alignment position of the two-way cam (15), and the output shaft of the first self-locking servo motor (6) is fixedly connected to the center of the two-way cam (15).

5. The precision flexible bearing assembly mechanism according to claim 4, characterized in that: A strip-shaped through groove (7) communicating with the outside is provided at the top of the cavity (12), and evenly distributed scale lines are engraved on the side of the strip-shaped through groove (7). An indicator block (18) is fixedly mounted on one side of the top of the connecting rod (16), and the indicator block (18) extends into the interior of the strip-shaped through groove (7) and slides inside the strip-shaped through groove (7).

6. The precision flexible bearing assembly mechanism according to claim 1, characterized in that: The bottom of the placement groove (2) is provided with a T-shaped slide groove (10), the interior of the T-shaped slide groove (10) is slidably connected to a T-shaped slider, the top end of the T-shaped slider is fixedly connected to the bottom end of the placement plate (3), and the inner walls of the T-shaped slide groove (10) are rotatably connected to lead screws (11) on both sides, and the lead screws (11) are threadedly connected to the center of the T-shaped slider, and a second self-locking servo motor (9) is fixedly installed on the side of the assembly base (1), and the output shaft of the second self-locking servo motor (9) is fixedly connected to one end of the lead screw (11).

7. The precision flexible bearing assembly mechanism according to claim 1, characterized in that: An assembly groove is provided at the bottom of the assembly pressure plate (5), and a magnetic block (21) is fixedly installed inside the assembly groove.

Images