Automatic centering device of servo motor

Abstract

The utility model is suitable for the technical field of centering devices, and provides an automatic centering device of a servo motor, which comprises a servo motor, a centering mechanism and a bearing mechanism, the centering mechanism is arranged on one side of the servo motor, an output shaft of the servo motor and an external transmission rod used for being connected with the output shaft are both located in the centering mechanism, the bearing mechanism is arranged at the bottom of the centering mechanism, and the centering mechanism comprises a supporting frame, a centering sleeve, a linkage ring and a linkage unit. According to the scheme, the centering mechanism is supported to a certain height through the supporting mechanism, a linkage ring is driven to rotate through a linkage unit in the centering mechanism, then a centering rod is driven to move, one end of the centering rod slides in a first butt joint plate, and then the centering rod is driven to move; by changing the positions of the centering rods, the output shafts of the servo motors located in the centering rods and the external transmission rods are coaxially clamped, the centering effect is achieved, manual centering operation is avoided, and operation is easy and fast.

Description

Technical Field

[0001] The utility model belongs to the technical field of centering devices, in particular to an automatic centering device for a servo motor. Background Art

[0002] A servo motor is an engine that controls the operation of mechanical components in a servo system. It is an auxiliary motor indirect speed change device. The servo motor can control speed and position accuracy very accurately. It can convert voltage signals into torque and speed to drive the controlled object.

[0003] Although there are many kinds of servo motors currently, there are still some problems. For example, when using a servo motor, it is often necessary to connect its own output shaft with an external transmission rod. When connecting, the transmission rod and the output shaft are mostly connected manually. In order to ensure that the two can achieve coaxial transmission, it often takes a lot of time and energy to align the two, which seriously affects work efficiency. Utility Model Content

[0004] The utility model provides an automatic centering device for a servo motor, aiming to solve the problem that the output shaft of the servo motor and an external transmission rod cannot be quickly aligned.

[0005] The utility model is implemented in this way: the automatic centering device of the servo motor comprises: a servo motor, a centering mechanism and a supporting mechanism;

[0006] The centering mechanism is arranged on one side of the servo motor, and the output shaft of the servo motor and the external transmission rod connected to the output shaft are both located in the centering mechanism, and the supporting mechanism is arranged at the bottom of the centering mechanism;

[0007] The centering mechanism includes a support frame, a centering sleeve, a linkage ring and a linkage unit, wherein the support frame is fixed on the supporting mechanism, the centering sleeve is fixed on the top of the support frame, and the linkage ring is rotatably connected to the centering sleeve and symmetrically arranged on both sides of the centering sleeve;

[0008] The supporting mechanism comprises a supporting seat, and the supporting seat is fixed on the bottom of the supporting frame.

[0009] Preferably, the linkage unit includes a first docking plate, a second docking plate and a centering rod, the first docking plate is rotatably connected to the edge of the centering sleeve, the second docking plate is fixed to the edge of the linkage ring, one end of the centering rod is slidably connected to the first docking plate, and the other end is fixedly connected to the second docking plate.

[0010] Preferably, the linkage unit further comprises a connecting rod and a cylinder, wherein the connecting rod is connected between two adjacent linkage rings, the fixed portion of the cylinder is rotatably connected to the supporting seat, and the telescopic portion of the cylinder is rotatably connected to the connecting rod.

[0011] Preferably, a rotating cylinder is sleeved on the exterior of the centering rod, and the rotating cylinder is rotatably connected to the centering rod.

[0012] Preferably, the supporting mechanism also includes a base, an active rod and a driven rod, the base is arranged at the bottom of the supporting seat, one end of the active rod is rotatably connected to the base, and the other end is slidably connected to the supporting seat, one end of the driven rod is rotatably connected to the supporting seat, and the other end is slidably connected to the base, and the active rod and the driven rod are cross-rotatably connected to each other.

[0013] Preferably, the supporting mechanism further comprises an adjusting rod and a screw rod, wherein the adjusting rod is arranged between two adjacent active rods and located at the bottom of the supporting seat, the screw rod is rotatably connected to the center of the supporting seat, and the screw rod is threadably matched with the adjusting rod.

[0014] Preferably, a wheel disc is coaxially fixed to one end of the screw rod, and a handle is rotatably connected to the edge of the wheel disc.

[0015] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0016] In the present scheme, the centering mechanism is supported to a certain height by a supporting mechanism, and the linkage ring is driven to rotate by the linkage unit in the centering mechanism, thereby driving the centering rod to move, and causing one end of the centering rod to slide in the first docking plate. By changing the position of the centering rod, the servo motor output shaft and the external transmission rod located in the multiple centering rods are coaxially clamped to achieve the centering effect, avoiding the need for manual centering work, and the operation is simple and quick, and at the same time greatly improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the external integral connection structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the centering mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the centering rod and its connection structure of the utility model;

[0020] Figure 4 It is a partial enlarged structural schematic diagram of the utility model;

[0021] Figure 5 It is a schematic diagram of the overall structure of the supporting mechanism of the utility model;

[0022] In the figure: 1. servo motor; 2. centering mechanism; 21. support frame; 22. centering sleeve; 23. linkage ring; 24. first docking plate; 25. second docking plate; 26. centering rod; 27. connecting rod; 28. cylinder; 29. ​​rotating drum; 3. supporting mechanism; 31. supporting seat; 32. base; 33. active rod; 34. driven rod; 35. adjusting rod; 36. screw rod. DETAILED DESCRIPTION

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0024] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0025] The utility model provides an automatic centering device for a servo motor, such as Figure 1-5 As shown, it includes: a servo motor 1, a centering mechanism 2 and a supporting mechanism 3;

[0026] The centering mechanism 2 is arranged on one side of the servo motor 1, and the output shaft of the servo motor 1 and the external transmission rod used to connect with the output shaft are both located in the centering mechanism 2, and the supporting mechanism 3 is arranged at the bottom of the centering mechanism 2;

[0027] The centering mechanism 2 includes a support frame 21, a centering sleeve 22, a linkage ring 23 and a linkage unit. The support frame 21 is fixed on the supporting mechanism 3, the centering sleeve 22 is fixed on the top of the support frame 21, and the linkage ring 23 is rotatably connected to the centering sleeve 22 and symmetrically arranged on both sides of the centering sleeve 22.

[0028] The supporting mechanism 3 includes a supporting seat 31 , and the supporting seat 31 is fixed to the bottom of the supporting frame 21 .

[0029] It should be noted that, since the existing servo motors often need to connect their own output shafts with external transmission rods when in use, and most of the time the transmission rods and output shafts are connected manually, and in order to ensure that the two can achieve coaxial transmission, it often takes a lot of time and effort to align the two, which seriously affects work efficiency. In order to solve this problem, a centering mechanism 2 and a supporting mechanism 3 are set in the present scheme. The centering mechanism 2 is supported to a certain height by the supporting mechanism 3, and the linkage unit in the centering mechanism 2 drives the linkage ring 23 to rotate, thereby driving the centering rod 26 to move, and making one end of the centering rod 26 slide in the first docking plate 24. By changing the position of the centering rod 26, the output shaft of the servo motor 1 located in the multiple centering rods 26 and the external transmission rod are coaxially clamped to achieve the centering effect, avoiding the need for manual centering operations, and the operation is simple and quick, and at the same time greatly improves the work efficiency.

[0030] Specifically, in this embodiment, the scheme mainly includes a servo motor 1, a centering mechanism 2 and a supporting mechanism 3. When in use, the centering mechanism 2 is supported to one side of the servo motor 1 by the supporting mechanism 3, and the output shaft of the servo motor 1 and the external transmission rod for connection are both located in the centering sleeve 22, and then the linkage ring 23 is driven to rotate through the linkage unit, and then the output shaft of the servo motor 1 and the external transmission rod for connection are centered and clamped through the linkage of the centering rod 26, which is simple and efficient.

[0031] In a further preferred embodiment of the present invention, Figure 1-5 As shown, the linkage unit includes a first docking plate 24, a second docking plate 25 and a centering rod 26. The first docking plate 24 is fixed at the edge of the centering sleeve 22, the second docking plate 25 is fixed at the edge of the linkage ring 23, one end of the centering rod 26 is slidably connected to the first docking plate 24, and the other end is fixedly connected to the second docking plate 25.

[0032] In this embodiment, the centering rod 26 is driven to rotate by the linkage ring 23 , so that one end of the centering rod 26 can slide in the first docking plate 24 , and the position of the centering rod 26 can be quickly adjusted.

[0033] In a further preferred embodiment of the present invention, Figure 1-5 As shown, the linkage unit also includes a connecting rod 27 and a cylinder 28 . The connecting rod 27 is connected between two adjacent linkage rings 23 . The fixed part of the cylinder 28 is rotatably connected to the supporting seat 31 , and the telescopic part of the cylinder 28 is rotatably connected to the connecting rod 27 .

[0034] In this embodiment, the linkage ring 23 is driven to rotate on the centering sleeve 22 by the extension and retraction of the extension portion of the cylinder 28 .

[0035] In a further preferred embodiment of the present invention, Figure 1-5 As shown, a rotating cylinder 29 is sleeved on the outside of the centering rod 26 , and the rotating cylinder 29 is rotatably connected to the centering rod 26 .

[0036] In this embodiment, the centering mechanism 2 can be quickly withdrawn from the output shaft of the servo motor 1 and the external transmission rod for connection through the rotation of the drum 29, and at the same time, the distance between the transmission rod and the output shaft of the servo motor 1 can also be quickly adjusted during centering.

[0037] In a further preferred embodiment of the present invention, Figure 1-5 As shown, the supporting mechanism 3 also includes a base 32, an active rod 33 and a driven rod 34. The base 32 is arranged at the bottom of the supporting seat 31, one end of the active rod 33 is rotatably connected to the base 32, and the other end is slidably connected to the supporting seat 31, one end of the driven rod 34 is rotatably connected to the supporting seat 31, and the other end is slidably connected to the base 32, and the active rod 33 and the driven rod 34 are cross-rotatably connected to each other.

[0038] In this embodiment, the overall height of the supporting seat 31 and the centering mechanism 2 is adjusted by cross-linking the active rod 33 and the driven rod 34 .

[0039] In a further preferred embodiment of the present invention, Figure 1-5 As shown, the supporting mechanism 3 also includes an adjusting rod 35 and a screw rod 36. The adjusting rod 35 is arranged between two adjacent active rods 33 and located at the bottom of the supporting seat 31. The screw rod 36 is rotatably connected to the center of the supporting seat 31, and the screw rod 36 is threadedly matched with the adjusting rod 35.

[0040] In this embodiment, the adjusting rod 35 is threadedly linked by the rotation of the screw rod 36 , thereby enabling the active rod 33 and the driven rod 34 to cross-link.

[0041] In a further preferred embodiment of the present invention, Figure 1-5 As shown, a wheel disc is coaxially fixed to one end of the screw rod 36, and a handle is rotatably connected to the edge of the wheel disc.

[0042] In this embodiment, the staff can quickly drive the screw rod 36 to rotate through the wheel disc.

[0043] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0044] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0045] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0046] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. The automatic centering device of the servo motor is characterized by: include: A servo motor (1), a centering mechanism (2) and a supporting mechanism (3); The centering mechanism (2) is arranged on one side of the servo motor (1), and the output shaft of the servo motor (1) and the external transmission rod used to connect with the output shaft are both located in the centering mechanism (2), and the supporting mechanism (3) is arranged at the bottom of the centering mechanism (2); The centering mechanism (2) comprises a support frame (21), a centering sleeve (22), a linkage ring (23) and a linkage unit, wherein the support frame (21) is fixed on the supporting mechanism (3), the centering sleeve (22) is fixed on the top of the support frame (21), and the linkage ring (23) is rotatably connected to the centering sleeve (22) and is symmetrically arranged on both sides of the centering sleeve (22); The supporting mechanism (3) comprises a supporting seat (31), and the supporting seat (31) is fixed on the bottom of the supporting frame (21).

2. The automatic centering device for a servo motor according to claim 1, characterized in that: The linkage unit comprises a first docking plate (24), a second docking plate (25) and a centering rod (26); the first docking plate (24) is rotatably connected to the edge of the centering sleeve (22); the second docking plate (25) is fixed to the edge of the linkage ring (23); one end of the centering rod (26) is slidably connected to the first docking plate (24) and the other end is fixedly connected to the second docking plate (25).

3. The automatic centering device for a servo motor according to claim 2, characterized in that: The linkage unit further comprises a connecting rod (27) and a cylinder (28), wherein the connecting rod (27) is connected between two adjacent linkage rings (23), the fixed portion of the cylinder (28) is rotatably connected to the supporting seat (31), and the telescopic portion of the cylinder (28) is rotatably connected to the connecting rod (27).

4. The automatic centering device for a servo motor according to claim 2, characterized in that: A rotating cylinder (29) is sleeved on the outside of the centering rod (26), and the rotating cylinder (29) is rotatably connected to the centering rod (26).

5. The automatic centering device for a servo motor according to claim 1, characterized in that: The supporting mechanism (3) further comprises a base (32), an active rod (33) and a driven rod (34); the base (32) is arranged at the bottom of the supporting seat (31); one end of the active rod (33) is rotatably connected to the base (32), and the other end is slidably connected to the supporting seat (31); one end of the driven rod (34) is rotatably connected to the supporting seat (31), and the other end is slidably connected to the base (32); and the active rod (33) and the driven rod (34) are cross-rotatably connected to each other.

6. The automatic centering device for a servo motor according to claim 5, characterized in that: The supporting mechanism (3) further comprises an adjusting rod (35) and a screw rod (36); the adjusting rod (35) is arranged between two adjacent active rods (33) and is located at the bottom of the supporting seat (31); the screw rod (36) is rotatably connected to the center of the supporting seat (31), and the screw rod (36) is threadedly matched with the adjusting rod (35).

7. The automatic centering device for a servo motor according to claim 6, characterized in that: A wheel disc is coaxially fixed to one end of the screw rod (36), and a handle is rotatably connected to the edge of the wheel disc.

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