Servo motor with damping structure

Abstract

The utility model relates to the field of motors, and provides a servo motor with a damping structure, which comprises a connecting shell and a servo motor, a top shell is welded at the top of the connecting shell, a connecting plate is embedded in the top shell, the top of the connecting plate is fixedly connected with three fixed convex columns I through screws, the three fixed convex columns I are uniformly distributed in an annular array, and the top of the connecting plate is fixedly connected with the servo motor through screws. A bottom shell is welded to the bottom of the connecting shell, a fixed chassis is welded to the interior of the bottom shell, a damping block is arranged at the top of the fixed chassis, a telescopic rod is arranged in the damping block, and the servo motor is installed at the top of the moving end of the telescopic rod. Vibration can be absorbed by deformation generated by the iron wires in the process of being transmitted through the iron wires, and therefore the damping effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field, specifically, relate to a servo motor with damping structure. BACKGROUND

[0002] At present, servo motor is a kind of motor that can control speed and position accurately, it can effectively convert voltage signal into torque and speed, to drive control object, the rotor speed of servo motor is controlled completely by input signal, and it has extremely fast response speed, in automatic control system, servo motor is usually used as execution element.

[0003] Servo motor has many advantages, such as electromechanical time constant is small, linearity is high and starting voltage is low etc., it can accurately convert the received electrical signal into angular displacement or angular velocity output on motor shaft, according to the different working principles, servo motor is mainly divided into two categories of DC servo motor and AC servo motor.

[0004] A remarkable feature of servo motor is that when signal voltage is zero, it does not appear self-rotation phenomenon, in addition, with the increase of torque, the speed of servo motor will show the trend of uniform speed drop, however, at present, servo motor will produce violent vibration when running at high speed, which not only can damage the structure inside motor, but also can have adverse effects on the machining accuracy of parts.

[0005] In addition, the damping mechanism of the motor in the prior art is too complicated, which contains multiple spring structures, resulting in high production cost, and manual installation of springs is required during assembly, so that batch production cannot be carried out, therefore, the damping mechanism in the prior art has the problems of high cost and complicated installation. UTILITY MODEL CONTENT

[0006] The utility model provides a servo motor with damping structure, solve the problem of high cost and complicated installation of damping mechanism in the prior art.

[0007] The technical scheme of the utility model is as follows:

[0008] To achieve the above object, the utility model provides the following technical scheme: a servo motor with damping structure, comprising connecting shell and servo motor, the top of the connecting shell is welded with top shell, the inside of the top shell is nested with connecting plate, the top of the connecting plate is fixedly connected with three fixed convex columns one that are evenly distributed in annular array by screw;

[0009] The bottom of the connecting shell is welded with bottom shell, the inside of the bottom shell is welded with fixed bottom disc, the top of the fixed bottom disc is provided with damping block, the inside of the damping block is provided with telescopic rod, the servo motor is installed at the top of the movable end of the telescopic rod;

[0010] The top of the servo motor is fixedly connected with a fixed protruding column two through a screw, the fixed protruding column two and the fixed protruding column one are correspondingly arranged, and the inside of the fixed protruding column one and the fixed protruding column two is jointly nested with a connecting iron wire.

[0011] Preferably, a fixed ring is welded on the outer periphery of the servo motor, a plurality of heat dissipation fins in annular array are uniformly distributed in the inside of the fixed ring, and limit rings are welded at the two ends of the heat dissipation fins, so that the heat dissipation effect of the servo motor is guaranteed.

[0012] Preferably, mounting blocks are welded on the top of the bottom shell and the top shell, and two mounting holes in symmetrical arrangement are formed in the inside of the mounting blocks, so that the entire servo motor can be conveniently installed and fixed.

[0013] Preferably, nested grooves are formed in the inside of the fixed protruding column two and the fixed protruding column one, the nested grooves are annularly formed, and the connecting iron wire is located in the inside of the nested grooves, so that the firmness of connection can be effectively prevented and damage caused by long-term operation can be prevented.

[0014] The working principle and beneficial effects of the utility model are as follows:

[0015] 1. Through the arrangement of the connecting iron wire and other structures, the vibration is absorbed by the deformation of the iron wire during the transmission of the vibration, so that the effect of shock absorption is achieved.

[0016] 2. Through the arrangement of the connecting iron wire and other structures, the iron wire is used as the connecting material, so that the use cost is saved and the installation process is more convenient.

[0017] 3. Through the arrangement of the heat dissipation fins and other structures, the heat generated by the operation of the motor is led out through the heat dissipation fins, is dissipated to the surrounding, and the effect of heat dissipation is achieved. DETAILED DESCRIPTION OF THE DRAWINGS

[0018] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0019] Fig. 1 It is the whole structure schematic view of the utility model;

[0020] Fig. 2 It is the inside structure schematic view of the utility model;

[0021] Fig. 3 It is the plan view of the utility model;

[0022] Fig. 4The utility model discloses a fixed convex column one's structural diagram.

[0023] In the drawing: 1, top shell, 2, bottom shell, 3, connecting shell, 4, connecting plate, 5, mounting block, 6, fixed bottom disc, 7, shock absorbing block, 8, telescopic rod, 9, servo motor, 10, limit ring, 11, radiating fin, 12, fixed ring, 13, fixed convex column one, 14, fixed convex column two, 15, connecting iron wire. DETAILED DESCRIPTION

[0024] The utility model discloses an embodiment will be combined with the utility model embodiment, the technical scheme in the utility model embodiment of the embodiment is clearly and completely described, obviously, the embodiment described only is a part of the embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making the creative labor are involved in the range of the utility model protection.

[0025] As Figs. 1-4 The utility model discloses a kind of servo motors with damping structure, including connecting shell 3 and servo motor 9, the top of the connecting shell 3 is welded with top shell 1, the inside of the top shell 1 is nested with connecting plate 4, the top of the connecting plate 4 is fixedly connected with three fixed convex column one 13 being annular arrayed and uniformly distributed by screw;

[0026] The bottom of the connecting shell 3 is welded with bottom shell 2, the inside of the bottom shell 2 is welded with fixed bottom disc 6, the top of the fixed bottom disc 6 is provided with shock absorbing block 7, the inside of the shock absorbing block 7 is provided with telescopic rod 8, the servo motor 9 is installed at the top of the telescopic rod 8 mobile end;

[0027] The top of the servo motor 9 is fixedly connected with fixed convex column two 14 by screw, the fixed convex column two 14 and the fixed convex column one 13 are correspondingly arranged, the inside of the fixed convex column one 13 and the fixed convex column two 14 is commonly nested with connecting iron wire 15.

[0028] As Figs. 1-4 The outside of the servo motor 9 is provided with radiating fin 11, can guarantee the heat dissipation effect of servo motor 9.

[0029] As Figs. 1-4As shown, the bottom shell 2 and the top of the top shell 1 are welded with mounting blocks 5, the inside of the mounting block 5 is provided with two symmetrically arranged mounting holes, the mounting block 5 and the mounting hole can be conveniently installed and fixed to the whole servo motor 9, the inside of the fixed convex column two 14 and the fixed convex column one 13 is provided with a nested groove, the nested groove is annular, the connecting iron wire 15 is located in the inside of the nested groove, the nested groove can effectively prevent the firmness of the connection and prevent damage in long-term operation.

[0030] In this embodiment, the fixed convex column one 13 and the fixed convex column two 14 are respectively arranged on the servo motor 9 and the connecting plate 4, and then the servo motor 9 and the connecting shell 3 are connected through the connecting iron wire 15, when the servo motor 9 operates and generates vibration, the vibration can be absorbed by the iron wire, in addition, the telescopic rod 8 arranged at the bottom can also rely on the telescopic to absorb part of the vibration, prevent the vibration from being transmitted outward, and play the effect of shock absorption;

[0031] In addition, the connecting iron wire 15 is nested and fixed, which can simplify the process of fixing the motor and save the cost compared with other fixing mechanisms;

[0032] Finally, the heat generated in the process of the operation of the servo motor 9 can be well dissipated through the heat dissipation fins 11 arranged on the servo motor 9, and the problem of heat accumulation is reduced.

[0033] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A servo motor (9) with a damping structure, characterized in that, Including connecting shell (3) and servo motor (9), the top of connecting shell (3) is welded with top shell (1), the inside of top shell (1) is nested with connecting plate (4), the top of connecting plate (4) is fixedly connected with three fixed convex columns one (13) in ring array distribution by screw; The bottom of connecting shell (3) is welded with bottom shell (2), the inside of bottom shell (2) is welded with fixed bottom disc (6), the top of fixed bottom disc (6) is provided with shock block (7), the inside of shock block (7) is provided with telescopic rod (8), servo motor (9) is installed at the top of telescopic rod (8) moving end; The top of servo motor (9) is fixedly connected with fixed convex column two (14) by screw, fixed convex column two (14) and fixed convex column one (13) are correspondingly arranged, the inside of fixed convex column one (13) and fixed convex column two (14) is commonly nested with connecting iron wire (15).

2. A servo motor (9) with a damping structure according to claim 1, characterized in that The outer circumferential surface of servo motor (9) is welded with fixed ring (12), the inside of fixed ring (12) is welded with several heat dissipation fins (11) in ring array distribution, the both ends of heat dissipation fin (11) are welded with limit ring (10) respectively.

3. A servo motor (9) with a damping structure according to claim 1, characterized in that, The top of bottom shell (2) and top shell (1) is welded with mounting block (5), the inside of mounting block (5) is provided with two mounting holes arranged symmetrically.

4. A servo motor (9) with a damping structure according to claim 1, characterized in that, The inside of fixed convex column two (14) and fixed convex column one (13) is provided with nesting groove, the nesting groove is ring-shaped, and the connecting iron wire (15) is located in the inside of the nesting groove.

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