High-precision industrial automation servo motor shock absorption installation adjustment mechanical structure

Abstract

This invention discloses a high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure, belonging to the technical field of motor vibration damping installation equipment. The key technical points include a base plate, on which are mounted a mounting bracket for installing the servo motor, a feedback component that engages with the servo motor's output shaft and is triggered at high speeds, and a support component that supports the mounting bracket and is linked to the feedback component. When the feedback component is triggered, the support component synchronously changes its support state for the mounting bracket. This invention, by setting two sets of buffer support units and rigid support units respectively supporting the mounting bracket, and in conjunction with the feedback component that engages the servo motor's output shaft, allows the rigid support unit to support the servo motor at low speeds to improve stability, while the buffer support unit can be used to counteract motor vibration transmission at high speeds, ensuring motor operational stability under various working conditions.

Description

Technical Field

[0001] This invention relates to the field of motor vibration damping installation equipment technology, specifically to a high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure. Background Technology

[0002] High-precision industrial automation servo motors operate in two states: high-speed operation and low-speed positioning. During high-speed operation, the motor vibrates significantly, requiring a damping structure to reduce the transmission of vibration to the frame. During low-speed positioning, the motor has reached the target position, requiring no relative displacement between the motor and the frame to ensure positioning accuracy. Existing installation methods typically use an elastic damping layer between the motor base and the frame. While this layer effectively absorbs vibration during high-speed operation, it allows for elastic displacement of the motor base relative to the frame during low-speed positioning, leading to a decrease in positioning accuracy. Eliminating the damping layer and using rigid mounting ensures accuracy during low-speed positioning, but vibration is directly transmitted to the frame during high-speed operation, affecting the overall operational accuracy of the equipment. Therefore, existing installation structures cannot achieve a balance between vibration damping and positioning accuracy.

[0003] Therefore, this invention was designed to solve the above-mentioned problems.

[0004] The above content is only used to help understand the technical solution of the present invention and does not represent an admission that the above content is the closest prior art. Summary of the Invention

[0005] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure includes a base plate. The base plate is provided with a mounting bracket for mounting the servo motor, a feedback component that is engaged with the output shaft of the servo motor and triggered when the output shaft is at high speed, and a support component for supporting the mounting bracket and linked with the feedback component. When the feedback component is triggered, the support component synchronously changes its support state for the mounting bracket.

[0007] Furthermore, the feedback component includes a fixed frame fixed on the base plate, a fixed ring fixed on the fixed frame, a locking ring plate that is sealed and movable and can rotate freely on the fixed ring, multiple sets of piston cylinders evenly distributed on the locking ring plate, and a locking unit fixed on one end of the piston cylinder away from the locking ring plate for locking with the output shaft of the servo motor. The fixed ring has an annular cavity for storing oil, and the piston cylinder is connected to the annular cavity. The annular cavity is provided with a spring fixed at the bottom and a piston plate fixed at the end of the spring and sliding in a sealed manner inside the piston cylinder. The fixing ring is also provided with an oil supply pipe that communicates with its internal annular cavity for supplying oil to the support assembly.

[0008] Furthermore, the support assembly includes a rigid support unit, a buffer support unit, and a drive unit connected to the feedback assembly for driving the two sets of support units to alternately support the mounting frame.

[0009] Furthermore, a fixed seat is fixedly connected to the base plate, and the drive unit includes a threaded sleeve that slides on the upper limit of the fixed seat, a threaded rod that is rotatably disposed on the base plate and threadedly connected to the threaded sleeve, two sets of connecting rods symmetrically disposed on the threaded rod, an arc-shaped rod arm disposed at the end of the connecting rod away from the threaded rod, and an arc-shaped piston cylinder fixed on the base plate. The oil supply pipe is connected to the interior of the arc-shaped piston cylinder, and the arc-shaped rod arm slides in a sealed manner inside the arc-shaped piston cylinder.

[0010] Furthermore, the buffer support unit includes a bottom support plate fixed on the threaded sleeve and a rubber pad disposed on the upper surface of the bottom support plate. In the initial state, the rubber pad does not contact the bottom of the mounting bracket.

[0011] Furthermore, the fixed base is provided with fixed grooves on both sides, and the rigid support unit includes a fixed support plate that moves up and down on the fixed groove and a toothed roller with a bearing mounted on the fixed support plate. The toothed roller is provided with a receiving groove, and the bottom support plate is provided in the receiving groove. The bottom support plate and the side wall of the receiving groove are provided with toothed surfaces that mesh with the toothed roller.

[0012] Furthermore, the bottom sides of the fixed support plate are hinged with connecting rod arms, and the end of the connecting rod arm away from the fixed support plate is hinged with a connecting arm. The end of the connecting arm is provided with an L-shaped support plate for abutting against the bottom corner of the mounting frame. In the initial state, the fixed support plate and the L-shaped support plate jointly support the mounting frame. The connecting arm is provided with a limit slider, and the fixed groove is provided with a first limit groove for the limit slider to slide in a limited manner.

[0013] Furthermore, a fixing plate is provided on the base plate, and a second limiting groove is formed on the fixing plate. A mounting plate is limited and engaged in the second limiting groove. A damper is provided on the mounting plate. A movable slot for the damper to move is formed on the L-shaped support plate. A rotating rod is supported by a bearing on the base plate, and gear shafts are provided at both ends of the rotating rod. A first rack plate and a second rack plate that mesh with the gear shafts are respectively provided on the bottom of the mounting plate and on the connecting arm. In the initial state, the damper does not contact the side of the mounting bracket.

[0014] Furthermore, a fan blade is provided on one side of the piston cylinder opposite the mounting bracket, and ventilation grilles are provided on the front and rear sides of the mounting bracket.

[0015] Furthermore, the mounting unit includes an internal ring and a mounting plate disposed inside the internal ring and adapted to engage with the keyway portion of the servo motor output shaft.

[0016] Compared with the prior art, the beneficial effects of this solution are: by setting two sets of buffer support units and rigid support units that support the mounting frame respectively, and in conjunction with the feedback component that clamps the output shaft of the servo motor, the rigid support unit can be used to support the servo motor at low speeds to improve stability, while the buffer support unit can be used to offset the transmission of motor vibration at high speeds, thus ensuring the stability of motor operation under various working conditions. Attached Figure Description

[0017] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings: Figure 1 This is a front view schematic diagram of the structure with a servo motor installed in an embodiment of the present invention; Figure 2 This is a rear view schematic diagram of the structure with a servo motor installed in an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of the present invention without the servo motor; Figure 4 This is a schematic diagram of the feedback component in an embodiment of the present invention; Figure 5 This is a disassembly diagram of the feedback component in an embodiment of the present invention; Figure 6 This is a schematic diagram of the front section structure of the feedback component in an embodiment of the present invention; Figure 7 This is a side cross-sectional view of the feedback component in an embodiment of the present invention; Figure 8 This is a schematic diagram showing the separation of the mounting bracket and the support assembly in an embodiment of the present invention; Figure 9 This is a bottom view of the support component in an embodiment of the present invention; Figure 10 This is a schematic diagram showing the separation of the drive unit and the bottom support plate in an embodiment of the present invention; Figure 11 This is a schematic diagram illustrating the structural relationship between the threaded rod and the arc-shaped rod arm in an embodiment of the present invention; Figure 12 This is a schematic diagram showing the separation of the fixed support plate and the connecting arm in an embodiment of the present invention; Figure 13 This is a schematic diagram of the cooperation relationship between the connecting arm and the connecting arm in an embodiment of the present invention; Figure 14 This is a schematic diagram showing the fit between the gear shaft, the first rack plate, and the second rack plate in an embodiment of the present invention.

[0018] In the diagram: 1. Base plate; 11. Mounting bracket; 2. Fixing bracket; 21. Fixing ring; 22. Snap-fit ​​ring plate; 23. Piston cylinder; 24. Annular cavity; 25. Spring; 26. Piston plate; 27. Oil pipe; 3. Fixing seat; 31. Threaded sleeve; 32. Threaded rod; 33. Connecting rod; 34. Arc-shaped rod arm; 35. Arc-shaped piston cylinder; 4. Bottom support plate; 41. Rubber pad; 5. Fixing groove; 51. Fixing support plate; 52. Toothed roller 53. Receiving slot; 54. Tooth surface; 6. Connecting arm; 61. Connecting arm; 62. L-shaped support plate; 63. Limiting slider; 64. First limiting groove; 7. Fixing plate; 71. Second limiting groove; 72. Mounting plate; 73. Damper; 74. Movable slot; 75. Rotating rod; 76. Gear shaft; 77. First rack plate; 78. Second rack plate; 8. Fan blade plate; 81. Ventilation grille; 9. Internal ring; 91. Snap-fit ​​plate. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] like Figure 1-14 The high-precision industrial automation servo motor vibration damping mounting and adjustment mechanical structure shown includes a base plate 1, on which a mounting bracket 11 for mounting the servo motor is provided, a feedback component that is snapped onto the output shaft of the servo motor and triggered when the output shaft is at high speed, and a support component for supporting the mounting bracket 11 and linked with the feedback component. The servo motor does not generate additional vibration at low speeds, but its own vibration is significant at high speeds, which can cause resonance between the motor body and the frame that holds the motor. Therefore, this solution uses a feedback component snapped onto the output shaft to monitor the speed of the output shaft and link it with the support component. At low motor speeds, the support component provides rigid support to the mounting bracket 11. When the motor output shaft rotates at high speed, the feedback component is triggered, thereby driving the support component to change its support state, allowing it to dampen the vibration of the mounting bracket 11. By switching between different support states, a more stable operating environment can be achieved for the motor at both high and low speeds.

[0021] In one embodiment, the feedback assembly includes a fixing frame 2 fixed on a base plate 1, a fixing ring 21 fixed on the fixing frame 2, a locking ring plate 22 that is sealed and movably engaged with the fixing ring 21 and can rotate freely, multiple sets of piston cylinders 23 evenly distributed on the locking ring plate 22, and a locking unit fixed at one end of the piston cylinder 23 away from the locking ring plate 22 for engaging with the output shaft of the servo motor; the locking unit includes an inner ring 9 and a locking plate 91 disposed inside the inner ring 9 and adapted to engage with the keyway portion of the output shaft of the servo motor. After the keyway is engaged, there is still a connection depth for connecting with an external coupling. The fixing ring 21 has an annular cavity 24 for storing oil, and the piston cylinder 23 communicates with the annular cavity 24, wherein the annular cavity 24 is provided with... A spring 25 is fixed at the bottom, and a piston plate 26 is fixed at the end of the spring 25 and slides sealed inside the piston cylinder 23. The fixed ring 21 is also provided with an oil supply pipe 27 that communicates with its internal annular cavity 24 for supplying oil to the support assembly. The output shaft is fixed to the clamping unit. When the output shaft rotates, it can drive the clamping unit and the outer piston cylinder 23 to rotate synchronously. When the output shaft rotates at high speed, the piston plate 26 inside the piston cylinder 23 will be affected by centrifugal force and move towards the annular cavity 24, thereby squeezing the oil in the annular cavity 24 and supplying it into the oil supply pipe 27, thereby generating power to drive the support assembly. This method is used to provide feedback on the high-speed rotation state of the output shaft and drive the change of the state of the support assembly.

[0022] In one embodiment, the support assembly includes a rigid support unit, a buffer support unit, and a drive unit connected to the feedback assembly for driving the two sets of support units to alternately support the mounting frame 11. The rigid support unit is used to provide rigid support for the mounting frame 11 when the motor is at low speed, which is more stable. The buffer support unit is used to provide flexible support for the mounting frame 11 when the motor is at high speed, so that it can dampen high-speed vibration and avoid the vibration from being transmitted outward, which would cause high-frequency misalignment between structures.

[0023] In one embodiment, a fixed seat 3 is fixedly connected to the base plate 1. The driving unit includes a threaded sleeve 31 that slides on the fixed seat 3, a threaded rod 32 that is rotatably disposed on the base plate 1 and threadedly connected to the threaded sleeve 31, two sets of connecting rods 33 symmetrically disposed on the threaded rod 32, an arc-shaped rod arm 34 disposed at the end of the connecting rod 33 away from the threaded rod 32, and an arc-shaped piston cylinder 35 fixed on the base plate 1. The oil supply pipe 27 communicates with the interior of the arc-shaped piston cylinder 35, and the arc-shaped rod arm 34 slides in a sealed manner within the arc-shaped piston cylinder 35. The buffer support unit includes a bottom support plate 4 fixed on the threaded sleeve 31 and a bottom support plate 4 disposed on the bottom support plate 35. In the initial state, the rubber pad 41 on the upper surface of the support plate 4 does not contact the bottom of the mounting frame 11. When the output shaft rotates at high speed, the oil in the annular cavity 24 is transported to the oil pipe 27, and then enters the arc-shaped piston cylinder 35 to push the arc-shaped rod arm 34 out from its interior. Then, through the connecting rod 33, the threaded rod 32 is rotated, causing the threaded sleeve 31 at its upper end to rotate. The threaded sleeve 31 then drives the bottom support plate 4 upward, so that the rubber pad 41 abuts against the bottom of the mounting frame 11. Thus, there is a flexible support medium between the bottom support plate 4 and the mounting frame 11, which eliminates the vibration of the servo motor in the mounting frame 11.

[0024] In one embodiment, the fixed base 3 is provided with fixed grooves 5 on both sides. The rigid support unit includes a fixed support plate 51 that moves up and down on the fixed groove 5 and a toothed roller 52 with bearings mounted on the fixed support plate 51. The toothed roller 52 is provided with a receiving groove 53. The bottom support plate 4 is provided in the receiving groove 53. The sidewalls of the bottom support plate 4 and the receiving groove 53 are provided with toothed surfaces 54 that mesh with the toothed roller 52. When the bottom support plate 4 moves upward, it will drive the toothed roller 52 to rotate, and then drive the fixed support plate 51 to move downward through the toothed roller 52, thereby switching the rigid support of the fixed support plate 51 to the mounting frame 11 to the flexible support of the rubber pad 41 to the mounting frame 11.

[0025] In one embodiment, connecting rod arms 6 are hinged to both sides of the bottom of the fixed support plate 51. A connecting arm 61 is hinged to the end of the connecting rod arm 6 away from the fixed support plate 51. An L-shaped support plate 62 is provided at the end of the connecting arm 61 to abut against the bottom corner of the mounting bracket 11. In the initial state, the fixed support plate 51 and the L-shaped support plate 62 jointly support the mounting bracket 11. A limiting slider 63 is provided on the connecting arm 61, and a first limiting groove 64 is provided on the fixed groove 5 for the limiting slider 63 to slide in a limited manner. When the rubber pad 41 moves upward and the fixed support plate 51 moves downward, the two will disengage simultaneously. When the mounting frame 11 is detached, an L-shaped support plate 62 is used to assist in supporting the mounting frame 11. This ensures the stability of the mounting frame 11 even when the fixed support plate 51 and the rubber pad 41 are detached from the mounting frame 11. When the fixed support plate 51 moves downward, it will move to both sides through the connecting arm 6 against the connecting arm 61 via the connecting rod arm 6. This allows the L-shaped support plate 62 to be pulled away from both sides of the mounting frame 11 until the rubber pad 41 comes into contact with the mounting frame 11. At this point, the L-shaped support plate 62 is completely detached from the mounting frame 11, so that the mounting frame 11 is only flexibly supported by the rubber pad 41, preventing vibration from being transmitted to the external frame.

[0026] In one embodiment, a fixing plate 7 is provided on the base plate 1, and a second limiting groove 71 is provided on the fixing plate 7. A mounting plate 72 is limited and engaged in the second limiting groove 71. A damper 73 is provided on the mounting plate 72. An movable slot 74 for the damper 73 to move is provided on the L-shaped support plate 62. A rotating rod 75 is mounted on the base plate 1 with a bearing. Gear shafts 76 are provided at both ends of the rotating rod 75. A first rack plate 77 and a second rack plate 78 that mesh with the gear shafts 76 are respectively provided on the bottom of the mounting plate 72 and the connecting arm 61. In the initial state, the damper... The damper 73 does not contact the side of the mounting bracket 11. When the L-shaped support plate 62 is pulled away from both sides of the mounting bracket 11, the connecting arm 61 will drive the second rack plate 78 to drive the gear shaft 76 to rotate. The gear shaft 76 will then drive the first rack plate 77 to move in the opposite direction to the second rack plate 78, so that the mounting plate 72 drives the damper 73 to abut against both sides of the mounting bracket 11 for clamping. Thus, while the vibration is absorbed at the bottom by the rubber pad 41, the vibration at its side end can be absorbed by the damper 73, further improving the operating stability of the motor under high speed.

[0027] In one embodiment, a fan blade plate 8 is provided on one side of the piston cylinder 23 opposite to the mounting bracket 11, and ventilation grilles 81 are provided on the front and rear sides of the mounting bracket 11. When the output shaft rotates, it will drive the piston cylinder 23 to rotate synchronously, and then blow air into the motor through the fan blade plate 8. When the motor runs at high speed, the air force also increases, so that efficient heat dissipation can be achieved under high load conditions.

[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within the present invention.

Claims

1. A high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure, comprising a base plate (1), characterized in that: The base plate (1) is provided with a mounting bracket (11) for mounting a servo motor, a feedback component that is snapped onto the output shaft of the servo motor and triggered when the output shaft is at high speed, and a support component that supports the mounting bracket (11) and is linked with the feedback component. When the feedback component is triggered, the support component synchronously changes its support state for the mounting bracket (11).

2. The high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure according to claim 1, characterized in that: The feedback component includes a fixed frame (2) fixed on the base plate (1), a fixed ring (21) fixed on the fixed frame (2), a locking ring plate (22) that is sealed and movable and can rotate freely on the fixed ring (21), multiple sets of piston cylinders (23) evenly distributed on the locking ring plate (22), and a locking unit fixed on the piston cylinder (23) away from the locking ring plate (22) for locking with the output shaft of the servo motor; The fixed ring (21) has an annular cavity (24) for storing oil. The piston cylinder (23) is connected to the annular cavity (24). The annular cavity (24) is provided with a spring (25) fixed at the bottom and a piston plate (26) fixed at the end of the spring (25) and sliding in a sealed manner within the piston cylinder (23). The fixing ring (21) is also provided with an oil supply pipe (27) that communicates with its internal annular cavity (24) for supplying oil to the support assembly.

3. The high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure according to claim 2, characterized in that: The support assembly includes a rigid support unit, a buffer support unit, and a drive unit connected to the feedback assembly for driving the two sets of support units to alternately support the mounting bracket (11).

4. The high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure according to claim 3, characterized in that: A fixed seat (3) is fixedly connected to the base plate (1). The drive unit includes a threaded sleeve (31) that slides on the fixed seat (3), a threaded rod (32) that is rotatably set on the base plate (1) and threadedly connected to the threaded sleeve (31), two sets of connecting rods (33) symmetrically set on the threaded rod (32), an arc-shaped rod arm (34) set on the end of the connecting rod (33) away from the threaded rod (32), and an arc-shaped piston cylinder (35) fixed on the base plate (1). The oil supply pipe (27) is connected to the interior of the arc-shaped piston cylinder (35), and the arc-shaped rod arm (34) slides in a sealed manner inside the arc-shaped piston cylinder (35).

5. The high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure according to claim 4, characterized in that: The buffer support unit includes a bottom support plate (4) fixed on the threaded sleeve (31) and a rubber pad (41) disposed on the upper surface of the bottom support plate (4). In the initial state, the rubber pad (41) does not contact the bottom of the mounting bracket (11).

6. The high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure according to claim 5, characterized in that: The fixed base (3) has fixed grooves (5) on both sides. The rigid support unit includes a fixed support plate (51) that moves up and down on the fixed groove (5) and a toothed roller (52) with bearings mounted on the fixed support plate (51). The toothed roller (52) has a receiving groove (53). The bottom support plate (4) is set in the receiving groove (53). The bottom support plate (4) and the side wall of the receiving groove (53) are provided with toothed surfaces (54) that mesh with the toothed roller (52).

7. The high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure according to claim 6, characterized in that: The bottom sides of the fixed support plate (51) are hinged with connecting rod arms (6), and the end of the connecting rod arm (6) away from the fixed support plate (51) is hinged with a connecting arm (61). The end of the connecting arm (61) is provided with an L-shaped support plate (62) for abutting against the bottom corner of the mounting frame (11). In the initial state, the fixed support plate (51) and the L-shaped support plate (62) jointly support the mounting frame (11). The connecting arm (61) is provided with a limiting slider (63), and the fixing groove (5) is provided with a first limiting groove (64) for the limiting slider (63) to slide in a limited manner.

8. The high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure according to claim 7, characterized in that: A fixing plate (7) is provided on the base plate (1). A second limiting groove (71) is provided on the fixing plate (7). A mounting plate (72) is limited and engaged in the second limiting groove (71). A damper (73) is provided on the mounting plate (72). A movable slot (74) for the damper (73) to move is provided on the L-shaped support plate (62). A rotating rod (75) is mounted on the base plate (1) with a bearing. Gear shafts (76) are provided at both ends of the rotating rod (75). A first rack plate (77) and a second rack plate (78) that mesh with the gear shafts (76) are respectively provided on the bottom of the mounting plate (72) and the connecting arm (61). In the initial state, the damper (73) does not contact the side of the mounting bracket (11).

9. The high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure according to claim 2, characterized in that: The piston cylinder (23) is provided with a fan blade (8) on one side of the mounting bracket (11), and ventilation grilles (81) are provided on the front and rear sides of the mounting bracket (11).

10. The high-precision industrial automation servo motor vibration damping installation and adjustment mechanical structure according to claim 2, characterized in that: The mounting unit includes an inner ring (9) and a mounting plate (91) disposed inside the inner ring (9) and adapted to engage with the keyway portion of the servo motor output shaft.

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