Motor rotating shaft applied to servo motor

Abstract

The utility model discloses a motor rotating shaft applied to a servo motor, which relates to the technical field of motor rotating shafts and comprises a rotating shaft body, at least one balance groove is further arranged on the rotating shaft body, and zero or more balancing weights are selectively arranged in the balance groove. An opening is formed in one side of the balance groove, the balancing weight comprises a balancing weight body matched with the wedge-shaped balance groove, and a butt joint opening is formed in one side of the balancing weight body. Different numbers of detachable balancing weights can be mounted in the balancing grooves according to needs to conveniently adjust dynamic balance of the rotating shaft, and a plurality of common balancing weights can be fixed by only one positioning balancing weight in each balancing groove of the device, so that use of fixing bolts can be reduced, and when the plurality of balancing weights are used at the same time, the weight of the rotating shaft can be conveniently adjusted. Quick mounting and positioning can be realized, and the using effect of the device and the working efficiency of disassembling and assembling the balancing weight are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor rotating shaft technical field, concretely a motor rotating shaft for servo motor. BACKGROUND

[0002] Servo motor refers to the engine that controls the operation of mechanical elements in the servo system, is a kind of auxiliary motor indirect speed change device, servo motor can control speed, position accuracy is very accurate, can convert voltage signal into torque and rotational speed to drive control object, servo motor rotating shaft speed is controlled by input signal, and can quickly react, in automatic control system, as execution element, and have electromechanical time constant small, linearity etc.

[0003] The existing servo motor rotating shaft is balanced by welding counterweight block due to motor vibration, noise and bearing wear caused by rotating shaft imbalance, so that the fixed counterweight block is not easy to disassemble and replace, which brings trouble to the use of electronic rotating shaft, therefore, a motor rotating shaft for servo motor is provided. UTILITY MODEL CONTENTS

[0004] TECHNICAL PROBLEM SOLVED

[0005] The utility model aims at making up for the deficiency of prior art, and provides a motor rotating shaft for servo motor.

[0006] TECHNICAL SCHEME

[0007] To achieve the above object, the utility model provides the following technical scheme: a motor rotating shaft for servo motor, including rotating shaft body, at least one balance groove is further arranged on the rotating shaft body, zero or more than one counterweight block is selectively arranged in the balance groove, the cross section of the balance groove is ladder type, the balance groove is provided with an opening on one side, the counterweight block includes a counterweight block body matched with the wedge-shaped balance groove, a docking interface is formed on one side of the counterweight block body, the other side of the counterweight block body is fixedly connected with a docking block, the docking interface and the docking block are matched with each other, and the docking interface and the docking block are magnetically attracted to each other, so that different numbers of detachable counterweight blocks can be installed in the balance groove according to needs to facilitate the dynamic balance adjustment of the rotating shaft, and only one positioning counterweight block is needed in each balance groove of the device to fix a plurality of ordinary counterweight blocks, thereby reducing the use of fixing bolts, so that the positioning of a plurality of counterweight blocks can be quickly installed when used simultaneously, and the use effect of the device and the working efficiency of disassembling and assembling counterweight blocks are improved.

[0008] Preferably, a sealing plate is further arranged at the opening of the balance groove.

[0009] Preferably, the counterweights include positioning counterweights and common counterweights, and the number of common counterweights is several, and each balancing groove has zero or one positioning counterweight.

[0010] Preferably, the positioning counterweight is internally provided with a fixing bolt.

[0011] Preferably, the rotating shaft body includes an optical shaft, a rotor core and two rotor baffles.

[0012] Preferably, the rotor core is arranged on the optical shaft, and one of the rotor baffles is arranged at each end of the rotor core.

[0013] Beneficial effects:

[0014] Compared with the prior art, the motor rotating shaft applied to the servo motor has the following beneficial effects:

[0015] The utility model discloses a balance groove can be installed according to the need detachable different number of counterweights, to facilitate the dynamic balance of the rotating shaft, and the device only needs one positioning counterweight in each balancing groove to fix multiple common counterweights, and then can reduce the use of fixing bolts, so that multiple counterweights can be quickly installed and positioned when used simultaneously, improve the use effect of the device and the working efficiency of disassembling and assembling counterweights. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without the creative labor.

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the front view sectional structure schematic diagram of the utility model;

[0019] Figure 3 It is the sectional structure schematic diagram of the utility model;

[0020] Figure 4 It is the structural schematic diagram of the balancing groove of the utility model.

[0021] In the drawing:

[0022] 1, rotating shaft body; 2, balance groove; 3, counterweight; 201, opening; 202, sealing plate; 301, counterweight body; 302, docking port; 303, docking block; 31, positioning counterweight; 32, ordinary counterweight; 33, fixing bolt; 101, optical axis; 102, rotor core; 103, rotor baffle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a motor rotating shaft applied to servo motor, including rotating shaft body 1, rotating shaft body 1 still be provided with at least one balance groove 2, the inside of balance groove 2 is optionally provided with zero or more than one counterweight 3, the section of balance groove 2 is ladder type, one side of balance groove 2 is provided with opening 201, balance groove 2 opening 201 is also provided with sealing plate 202, counterweight 3 includes the counterweight body 301 of the adaptation of wedge-shaped balance groove 2, one side of counterweight body 301 is provided with docking port 302, the other side of counterweight body 301 is fixedly connected with docking block 303, docking port 302 and docking block 303 are mutually adapted, docking port 302 and docking block 303 are magnetically attracted, different numbers of counterweight 3 can be installed in balance groove 2 as required, to facilitate the dynamic balance of rotating shaft, and only one positioning counterweight 31 in each balance groove 2 of the device can fix multiple ordinary counterweights 32, to reduce the use of fixing bolt 33, so that multiple counterweights 3 can be quickly installed and positioned when used simultaneously, improve the use effect of the device and the working efficiency of dismounting counterweight.

[0025] Please refer to Figure 2 And Figure 3 Counterweight 3 includes positioning counterweight 31 and ordinary counterweight 32, the number of ordinary counterweight 32 is several, zero or one positioning counterweight 31 is present in each balance groove 2, and fixing bolt 33 is arranged in the inside of positioning counterweight 31.

[0026] Please refer to Figure 1 Rotating shaft body 1 includes optical axis 101, rotor core 102 and two rotor baffles 103, rotor core 102 is arranged on optical axis 101, and one rotor baffle 103 is arranged at each end of rotor core 102.

[0027] Working principle: only one positioning counterweight 31 is needed in each balance groove 2 to fix multiple ordinary counterweights 32, thereby reducing the use of fixing bolts 33, so that multiple counterweights 3 can be quickly installed and positioned when used simultaneously.

[0028] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A motor shaft for a servo motor, comprising a shaft body (1), the shaft body (1) further provided with at least one balancing groove (2), the interior of the balancing groove (2) optionally being provided with zero or more counterweights (3), characterized in that: The cross section of the balancing groove (2) is stepped, an opening (201) is provided on one side of the balancing groove (2), the counterweight block (3) comprises a counterweight block body (301) adapted to the wedge-shaped balancing groove (2), a docking port (302) is provided on one side of the counterweight block body (301), a docking block (303) is fixedly connected to the other side of the counterweight block body (301), the docking port (302) and the docking block (303) are adapted to each other, and the docking port (302) and the docking block (303) are magnetically attracted to each other.

2. The motor shaft for a servo motor according to claim 1, wherein: A sealing plate (202) is also provided at the opening (201) of the balancing tank (2).

3. The motor shaft for a servo motor according to claim 1, wherein: The counterweight (3) comprises a positioning counterweight (31) and a common counterweight (32). The number of the common counterweight (32) is several, and each balancing slot (2) has zero or one positioning counterweight (31).

4. The motor shaft for a servo motor according to claim 3, wherein: A fixing bolt (33) is provided inside the positioning counterweight (31).

5. The motor shaft for a servo motor according to claim 1, characterized in that: The rotating shaft body (1) comprises an optical axis (101), a rotor core (102) and two rotor baffles (103).

6. The motor shaft for a servo motor according to claim 5, characterized in that: The rotor core (102) is arranged on the optical axis (101), and a rotor baffle (103) is abutted against each end of the rotor core (102).

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