CN203086252U

CN203086252U - Servo motor stator employing closed slot and modular concentrated winding

Info

Publication number: CN203086252U
Application number: CN 201220746631
Authority: CN
Inventors: 赵一凡; 戴耿志
Original assignee: SHANGHAI KINWAY TECHNOLOGIES LNC
Current assignee: SHANGHAI INVT INDUSTRY TECHNOLOGY CO., LTD.
Priority date: 2012-12-31
Filing date: 2012-12-31
Publication date: 2013-07-24
Anticipated expiration: 2022-12-31

Abstract

The utility model relates to the field of a stator core motor with a winding slot, and particularly relates to a servo motor stator employing a closed slot and a modular concentrated winding. The servo motor stator comprises an iron core shell (1) and is characterized in that the servo motor stator also comprises a stator iron core (2), winding frameworks (3) and windings (4), and a hole wall of an iron core hole (11) is provided with framework grooves (12); the stator core (2) is formed by fixing supporting teeth (21) at an outer side face of a center ring (22); the windings (4) are uniformly wound on framework frames (31); the winding frameworks (3) are sleeved on the supporting tooth (21) of the stator core (2); and the stator core (2) is embedded into the iron core hole (11) of the iron core shell (1). The stator core motor has the advantages of simple structure, convenient manufacture, a low cogging effect and stable operation.

Description

The remain silent servo motor stator of groove and modularization centralized winding of employing

Technical field

The utility model includes the stator core machine field of slot for winding, is specially the remain silent servo motor stator of groove and modularization centralized winding of a kind of employing.

Background technology

Existing AC servo motor rotor is a kind of similar with the conventional AC asynchronous machine, and a kind of stator is to be formed by silicon steel plate stacking, adopts the open slot structure and adopts distributed winding, is formed by the manual wire embedding again; This stator has following shortcoming: 1. manufacture craft relative complex, and production efficiency is lower; 2. the stator rabbet broad causes that air-gap field is inhomogeneous, and slot effect is bigger; 3. must adopt the manual manufacture mode, cost is higher, poor reliability; 4. at the bottom of the motor copper factor, the groove utilance is low; 5. motor end copper cash consumption is many, and copper material is wasteful.Another kind of stator adopts fraction block structure, and coil is spliced on single iron core again, adopts and concentrates winding; This stator has following shortcoming: 1. the stator openings groove causes that air-gap field is inhomogeneous, and slot effect is bigger; 2. stator needs integral body to be spliced, and required precision is very high, and difficulty of processing is big; 3. the stator splicing time need be welded fixingly, increases technology and equipment, increases the motor iron loss.

The utility model content

In order to overcome the defective of prior art, provide a kind of simple in structure, be convenient to make, low, the motor stably that turns round of slot effect, the utility model discloses the remain silent servo motor stator of groove and modularization centralized winding of a kind of employing.

The utility model reaches goal of the invention by following technical solution:

The remain silent servo motor stator of groove and modularization centralized winding of a kind of employing comprises the iron core shell, and the middle part of iron core shell has the iron core hole, it is characterized in that: also comprise stator core, winding skeleton, winding,

Have skeleton grooves on the hole wall in iron core hole, skeleton grooves evenly distributes around the center in iron core hole; Stator core is fixed on by support teeth on the lateral surface of central circular and constitutes, and support teeth evenly distributes around central circular, and the quantity of support teeth and the quantity of skeleton grooves equate; The quantity of winding skeleton and the quantity of support teeth equate that the winding skeleton is made of the skeleton frame and the otic placode in " mouth " font cross section, and skeleton frame middle part connects, and each fixes an otic placode both sides of each opening part of skeleton frame; The winding uniform winding is on the skeleton frame, and the two ends of winding are retrained by otic placode respectively; The winding skeleton that has twined winding is enclosed within on the support teeth of stator core, and two otic placodes of a side of each winding skeleton are located at the both sides of stator core central circular respectively; Adjacent winding material connects, and has one group of adjacent winding to be connected with power line; Each support teeth embeds stator core in the iron core hole of iron core shell after all putting the winding skeleton, and each skeleton grooves is embedded in a winding skeleton, and two otic placodes of each winding skeleton opposite side are located at the both sides of iron core shell respectively.

The remain silent servo motor stator of groove and modularization centralized winding of described employing, it is characterized in that: the quantity of stator core support teeth is [3,25] interval positive integer.

The utility model adopts the groove structure of remaining silent, and fractional-slot is concentrated winding construction, and the motor cogging torque is low, and torque ripple is little; Stator core and iron core shell can be stamped to form by silicon steel sheet integral body, and motor case can save; Winding coil adopts monolithic construction, is exactly 9 independent coil blocks as 9 groove motors.The beneficial effects of the utility model are: simplified the manufacturing process of servo motor stator greatly, saved cost; The motor high conformity, the reliability height, at the bottom of the motor cogging torque, torque ripple is little, has improved the servomotor performance; Saved the casing die cost; Coil windings adopts mechanization coiling, production efficiency height, reliability, high conformity.

Description of drawings

Fig. 1 is the axonometric drawing of iron core shell in the utility model;

Fig. 2 is the front view of stator core in the utility model;

Fig. 3 is the axonometric drawing of stator core in the utility model;

Fig. 4 is the axonometric drawing of winding skeleton in the utility model;

Fig. 5 is an axonometric drawing of the present utility model.

Embodiment

Below further specify the utility model by specific embodiment.

Embodiment 1

The remain silent servo motor stator of groove and modularization centralized winding of a kind of employing comprises iron core shell 1, stator core 2, winding skeleton 3 and winding 4, and as Fig. 1～shown in Figure 5, concrete structure is:

Iron core shell 1 as shown in Figure 1, the middle part has iron core hole 11, has 9 skeleton grooves 12 on the hole wall in iron core hole 11, skeleton grooves 12 evenly distributes around the center in iron core hole 11.

Stator core 2 is fixed on by support teeth 21 on the lateral surface of central circular 22 and constitutes as shown in Figures 2 and 3, and support teeth 21 evenly distributes around central circular 22, and the quantity of the quantity of support teeth 21 and skeleton grooves 12 is equal.

The quantity of the quantity of winding skeleton 3 and support teeth 21 equates, winding skeleton 3 is made of the skeleton frame 31 and the otic placode 32 in " mouth " font cross section as shown in Figure 4, the perforation of skeleton frame 31 middle parts, and each fixes an otic placode 32 both sides of skeleton frame 31 each opening part.

Winding 4 uniform winding are on skeleton frame 31, and the two ends of winding 4 are subjected to otic placode 32 constraints respectively.

The winding skeleton 3 that has twined winding 4 is enclosed within on the support teeth 21 of stator core 2, and two otic placodes 32 of a side of each winding skeleton 2 are located at the both sides of stator core 2 central circular respectively.

Adjacent winding 4 usefulness leads connect, and have one group of adjacent winding 4 to be connected with power line.

Each support teeth 21 embeds stator core 2 in the iron core hole 11 of iron core shell 1 after all putting winding skeleton 3, and each skeleton grooves 12 is embedded in a winding skeleton 2, and two otic placodes 32 of each winding skeleton 2 opposite side are located at the both sides of iron core shell 1 respectively.

The quantity of stator core 2 support teeth 21 can be selected [3,25] interval positive integer according to the performance requirement of servomotor.

Iron core shell 1 and stator core 2 all are stamped to form by silicon steel sheet, winding skeleton 3 adopts polybutylene terephthalate (PBT) (being called for short PBT) and polyamide (being called for short PA) injection mo(u)lding, after finishing, implements winding 4 dipping lacquer and surface insulation processing, winding 4 is connected, and power line connected, present embodiment promptly completes, as shown in Figure 5.

Claims

1. the employing servo motor stator of groove and modularization centralized winding of remaining silent comprises iron core shell (1), and the middle part of iron core shell (1) has iron core hole (11), it is characterized in that: also comprise stator core (2), winding skeleton (3), winding (4),

Have skeleton grooves (12) on the hole wall in iron core hole (11), skeleton grooves (12) evenly distributes around the center in iron core hole (11);

Stator core (2) is fixed on by support teeth (21) on the lateral surface of central circular (22) and constitutes, and support teeth (21) evenly distributes around central circular (22), and the quantity of the quantity of support teeth (21) and skeleton grooves (12) equates;

The quantity of the quantity of winding skeleton (3) and support teeth (21) equates, winding skeleton (3) is made of the skeleton frame (31) and the otic placode (32) in " mouth " font cross section, skeleton frame (31) middle part connects, and each fixes an otic placode (32) both sides of each opening part of skeleton frame (31);

Winding (4) uniform winding is on skeleton frame (31), and the two ends of winding (4) are subjected to otic placode (32) constraint respectively;

The winding skeleton (3) that has twined winding (4) is enclosed within on the support teeth (21) of stator core (2), and two otic placodes (32) of a side of each winding skeleton (2) are located at the both sides of stator core (2) central circular respectively;

Adjacent winding (4) connects with lead, has one group of adjacent winding (4) to be connected with power line;

Each support teeth (21) embeds stator core (2) in the iron core hole (11) of iron core shell (1) after all putting winding skeleton (3), each skeleton grooves (12) is embedded in a winding skeleton (2), and two otic placodes (32) of each winding skeleton (2) opposite side are located at the both sides of iron core shell (1) respectively.

2. the remain silent servo motor stator of groove and modularization centralized winding of employing as claimed in claim 1, it is characterized in that: the quantity of stator core (2) support teeth (21) is [3,25] interval positive integer.