130 flange double-encoder servo motor
By designing a 130 flange dual encoder servo motor, rapid switching in the event of encoder failure was achieved, solving the problem of equipment downtime caused by encoder failure and improving the reliability and operating efficiency of the equipment.
Patent Information
- Application Number
- CN202520430256.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing servo motor encoder failures can cause equipment to stop operating, and replacing the encoder requires disassembling the motor, which affects equipment operation.
Design a 130 flange dual encoder servo motor, using two sets of encoders for rapid switching, to ensure that the other encoder can take over in time when one encoder fails, thereby improving redundancy.
Reduce equipment downtime losses and improve equipment reliability and operating efficiency in the event of encoder failure.
Smart Images

Figure CN223885080U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to electrical equipment technical field, especially, relate to a 130 flange double encoder servo motor. BACKGROUND
[0002] Servo motor is a kind of motor that can control speed and position accurately, it is composed of motor body, encoder (for detecting position and speed), driver (for controlling the operation of motor) three major parts, servo motor is usually used in industrial automation, robotics, precision machinery and other occasions that need high-precision position control or speed control.In some high reliability requirements use occasion, servo motor encoder if failure will stop running, replace encoder long time, and also need to disassemble motor, very influence equipment operation.For this purpose, we provide a kind of 130 flange double encoder servo motor to solve the problems in the above. SUMMARY
[0003] The utility model discloses a kind of 130 flange double encoder servo motor, by the quick switching of two groups of encoders, the problem that the servo motor encoder in prior art stops running if failure is solved, replace encoder long time, and also need to disassemble motor, very influence equipment operation.
[0004] To solve the above technical problems, the utility model is realized by the following technical schemes.
[0005] The utility model discloses a kind of 130 flange double encoder servo motor, including rear end cover, the rear end cover one side is equipped with shroud, the other side is equipped with shell, the shell other side is equipped with front end cover, the rear end cover inside rotation is connected with motor shaft, the motor shaft surface is equipped with motor rotor of permanent magnet covering by flange plate, the shell inside is equipped with motor stator, the motor stator inside is equipped with copper coil, the motor shaft surface one end is equipped with front bearing, the motor shaft surface other end is equipped with rear bearing;The rear end cover one side is equipped with rotary transformer rotor, the rotary transformer rotor is sleeved on the motor shaft surface one end, the rotary transformer rotor one side is provided with rotor pressure ring, screw is provided between the rotor pressure ring and motor shaft, the rotor pressure ring one side is equipped with elastic baffle, the rotary transformer rotor surface is equipped with rotary transformer stator, the rotary transformer stator top one side and bottom one side are equipped with stator pressure plate, the rear end cover one side is equipped with mounting base by bolt, the mounting base one side is equipped with first encoder;The shell top one side is equipped with motor power line aviation plug, the shroud top is equipped with encoder aviation plug one and encoder aviation plug two respectively.
[0006] The utility model further sets up, one side threaded connection has first locking screw of stator pressing plate, first locking screw free end penetrates stator pressing plate and extends to the inside of rear end cover.
[0007] The utility model further sets up, the first encoder is internally provided with a taper hole, a second locking screw is threaded connected in the taper hole, and a free end of the second locking screw penetrates the first encoder and extends to the inside of the motor shaft.
[0008] The utility model further sets up, a cable protection baffle is installed on one side of the top of the rear end cover, and the cable protection baffle is located above the elastic baffle ring.
[0009] Compared with the prior art, the utility model has the following advantages: the redundancy of the whole machine is improved, in the case that one of the encoders fails, the other encoder can be used to replace it in time, and the loss caused by the shutdown of the equipment due to the damage of the encoder is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0010] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description.
[0011] Figure 1 It is a perspective view of a 130 flange double encoder servo motor.
[0012] Figure 2 It is an exploded view of a partial structure of a 130 flange double encoder servo motor.
[0013] Figure 3 It is an exploded view of a partial structure of a 130 flange double encoder servo motor.
[0014] Figure 4 It is a partial structure sectional view of a 130 flange double encoder servo motor.
[0015] Figure 5 It is an enlarged view of a partial structure of a 130 flange double encoder servo motor.
[0016] In the drawings: 1, rear end cover; 2, shield; 3, machine shell; 4, front end cover; 5, motor shaft; 6, motor rotor; 7, motor stator; 8, copper coil; 9, front bearing; 10, rear bearing; 11, rotary transformer rotor; 12, rotor pressing ring; 13, elastic baffle ring; 14, rotary transformer stator; 15, stator pressing plate; 16, mounting base; 17, first encoder; 18, motor power cable aviation plug; 19, encoder aviation plug one; 20, encoder aviation plug two; 21, first locking screw; 22, second locking screw; 23, cable protection baffle. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0018] Embodiment
[0019] Please refer to Figures 1-5 The utility model discloses a kind of 130 flange double encoders servo motor, including rear end cover 1, rear end cover 1 side is equipped with shroud 2, the other side is equipped with machine shell 3, machine shell 3 other side is equipped with front end cover 4, rear end cover 1 inside rotation is connected with motor shaft 5, motor shaft 5 surface is equipped with motor rotor 6 of permanent magnet covering by flange plate, machine shell 3 inside is equipped with motor stator 7, copper coil 8 is installed in motor stator 7, the one end of motor shaft 5 surface is equipped with front bearing 9, the other end of motor shaft 5 surface is equipped with rear bearing 10;Rear end cover 1 side is equipped with rotary transformer rotor 11, rotary transformer rotor 11 is sleeved on the one end of motor shaft 5 surface, rotary transformer rotor 11 side is provided with rotor pressure ring 12, screw is provided between rotor pressure ring 12 and motor shaft 5, rotor pressure ring 12 side is equipped with elastic baffle 13, rotary transformer stator 14 is installed on the surface of rotary transformer rotor 11, rotary transformer stator 14 top side and bottom side are equipped with stator pressing plate 15, rear end cover 1 side is equipped with mounting base 16 by bolt, mounting base 16 side is equipped with first encoder 17;Machine shell 3 top side is equipped with motor power cable aviation plug 18, shroud 2 top is equipped with encoder aviation plug one 19 and encoder aviation plug two 20 respectively.
[0020] Specifically: first encoder 17 is photoelectric encoder, photoelectric encoder has the characteristics of high precision, fast response, non-contact operation and durability, rotary transformer is second encoder, first encoder 17 and second encoder are coaxial operation, facilitate to switch on work.
[0021] Stator pressing plate 15 side is screw-connected with first locking screw 21, the free end of first locking screw 21 penetrates stator pressing plate 15 and extends to the inside of rear end cover 1, taper hole is set in the inside of first encoder 17, second locking screw 22 is screw-connected in the inside of taper hole, the free end of second locking screw 22 penetrates first encoder 17 and extends to the inside of motor shaft 5, cable protection baffle 23 is installed on the top side of rear end cover 1, cable protection baffle 23 is located above elastic baffle 13.
[0022] The working principle of the utility model is as follows: after normal servo motor installation is completed, the resolver rotor 11 is installed, the resolver rotor 11 is fixed through the rotor pressing ring 12, there is a thread between the rotor pressing ring 12 and the motor shaft 5, the resolver rotor 11 is pressed by rotating the rotor pressing ring 12, after the resolver rotor 11 is locked through the rotor pressing ring 12, the elastic check ring 13 is added to the tail of the rotor pressing ring 12, the displacement of the pressing ring in the vibration process is avoided to cause the resolver rotor 11 to be loose, then the resolver stator 14 is installed, the resolver stator 14 is tightly pressed on the rear end cover 1 through the two stator pressing plates 15, thus, the second encoder is installed.
[0023] Then the first encoder 17 installation is carried out, the installation base 16 on both sides of the first encoder 17 is fixed on one side of the rear end cover 1 using the bolt, the shaft taper of the motor shaft 5 tail is inserted into the taper hole of the first encoder 17, after all is completed, the second locking screw 22 is inserted into the taper hole of the first encoder 17, the first encoder 17 is locked, thus, the installation of two encoders is completed, the whole machine has the operating condition.
[0024] The standard parts used in the utility model can be purchased from the market, and can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art.
[0025] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.
Claims
1. A 130 flange dual encoder servo motor, comprising a rear end cover (1), characterized in that: A protective cover (2) is installed on one side of the rear end cover (1), and a housing (3) is installed on the other side. A front end cover (4) is installed on the other side of the housing (3). A motor shaft (5) is rotatably connected inside the rear end cover (1). A motor rotor (6) covered with a permanent magnet is installed on the surface of the motor shaft (5) through a flange. A motor stator (7) is installed inside the housing (3). A copper coil (8) is installed inside the motor stator (7). A front bearing (9) is installed on one end of the surface of the motor shaft (5), and a rear bearing (10) is installed on the other end of the surface of the motor shaft (5). A rotary transformer rotor (11) is installed on one side of the rear end cover (1). The rotary transformer rotor (11) is sleeved on one end of the surface of the motor shaft (5). A rotor pressure ring (12) is provided on one side of the rotary transformer rotor (11). A thread is provided between the rotor pressure ring (12) and the motor shaft (5). An elastic retaining ring (13) is installed on one side of the rotor pressure ring (12). A rotary transformer stator (14) is installed on the surface of the rotary transformer rotor (11). A stator pressure plate (15) is installed on both the top and bottom sides of the rotary transformer stator (14). A mounting base (16) is installed on one side of the rear end cover (1) by bolts. A first encoder (17) is installed on one side of the mounting base (16). The top side of the housing (3) is equipped with a motor power line aviation plug (18), and the top of the cover (2) is equipped with an encoder aviation plug one (19) and an encoder aviation plug two (20).
2. The 130 flange dual encoder servo motor according to claim 1, characterized in that: The stator pressure plate (15) is threaded with a first locking screw (21) on one side. The free end of the first locking screw (21) passes through the stator pressure plate (15) and extends into the rear end cover (1).
3. The 130 flange dual encoder servo motor according to claim 1, characterized in that: The first encoder (17) has a tapered hole inside, and a second locking screw (22) is threaded inside the tapered hole. The free end of the second locking screw (22) passes through the first encoder (17) and extends into the motor shaft (5).
4. A 130 flange dual encoder servo motor according to claim 1, characterized in that: A cable protection baffle (23) is installed on one side of the top of the rear cover (1), and the cable protection baffle (23) is located above the elastic retaining ring (13).