CN215772684U - Split type motor stator core - Google Patents

Abstract

The utility model discloses a split type motor stator core, which comprises an outer ring component, wherein a plurality of fixed blocks are fixedly connected inside the outer ring component, the fixed blocks are distributed on the inner wall of the outer ring component in an annular array, a winding component is fixedly connected between two adjacent fixed blocks through a locking mechanism, so that the device can rapidly combine a plurality of winding components with the outer ring component through the locking mechanism, thereby greatly improving the assembly efficiency of the motor stator core, and an operator can conveniently wind the wire by utilizing the split type structure, thereby greatly improving the practicability of the device, the winding component can be fixed with the fixed blocks more stably by arranging a wedge-shaped clamping groove, a wedge-shaped clamping block and a torsion spring, thereby avoiding the separation of the winding component and the outer ring component when the stator core works, thereby greatly improving the safety of the device.

Description

Split type motor stator core

Technical Field

The utility model relates to the technical field of motor stator cores, in particular to a split type motor stator core.

Background

The stator core is an important component of the magnetic circuit of the motor, and the stator core, the rotor core and the air gap between the stator and the rotor form a complete magnetic circuit of the motor. In an asynchronous machine, the magnetic flux in the stator core is alternating, thus creating core losses. The core loss comprises two parts: hysteresis losses and eddy current losses. With the development of technologies such as permanent magnet materials, power electronics and the like, permanent magnet servo motors are more and more appeared in various industrial transmission devices, and with the development of industrial automation, the market competition is more and more intense. The requirements of equipment manufacturers for the services and motor products of servo motor companies are increasing, for example: short response time, high motor power density and the like. The production efficiency of motor manufacturers is required to be higher and higher, the volume of the motor is smaller and smaller under the condition of ensuring the performance, the production efficiency of a stator is improved by adopting a block type stator and an automatic winding machine for a servo motor, the design and the installation efficiency of a stator framework determine the production efficiency of the stator to a great extent, a stator iron core is a main component in the stator of the motor, the iron core is a part of a magnetic circuit of a generator and is also a part for placing a winding, and the iron core is subjected to the comprehensive action of mechanical force, thermal stress and electromagnetic force when the generator runs. A stator core is punched into fan-shaped pieces by a silicon steel sheet and is stacked on a positioning rib, the positioning rib is welded on a base ring plate through a supporting plate, and the stator core is compressed into a whole by a tension bolt through an upper tooth pressing plate and a lower tooth pressing plate, the motor stator core with the current patent authorization publication number of 210517913U is formed by assembling a plurality of split parts with the same structure when the stator core is improved, so that the motor stator core can be produced in batches and can be wound automatically, but the plurality of split parts are generally fixedly connected in a welding mode when being assembled, the assembly efficiency is low, the production efficiency of the motor stator core is seriously influenced, and therefore, the split motor stator core is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a split stator core for an electric motor, which solves the above problems.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a split type motor stator core, includes the outer lane subassembly, the inside fixedly connected with fixed block of outer lane subassembly, the fixed block is provided with a plurality ofly, and is the annular array at the inner wall of outer lane subassembly and distributes, adjacent two through locking mechanical system fixedly connected with wire winding subassembly between the fixed block.

Preferably, the winding assembly comprises a connecting plate, an inner arc plate is fixedly connected to one side of the connecting plate, and a movable plate is movably connected to the other side of the connecting plate, so that the winding efficiency of an operator is greatly improved.

Preferably, the locking mechanism comprises a fixing groove formed in the inside of the fixing block, the inside of the fixing groove is connected with a clamping plate in a clamping mode, the other side of the clamping plate is fixedly connected with the movable plate, and therefore the assembling speed of the device is greatly improved.

Preferably, the connecting plate is internally provided with two sliding grooves on two sides, the inner walls of the sliding grooves are fixedly connected with torsion springs, and the other ends of the torsion springs are fixedly connected with the movable plate, so that the stability of the device is greatly improved.

Preferably, the top of the movable plate is provided with a wedge-shaped clamping groove, a wedge-shaped clamping block is fixedly connected inside the wedge-shaped clamping groove, and a winding board is fixedly connected to the top of the wedge-shaped clamping block, so that the safety of the device is greatly improved.

Preferably, the top of the winding plate is provided with an insulating layer, and the outer surface of the inner arc plate is provided with a wear-resistant layer, so that the service life of the stator core is greatly prolonged.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the motor stator core assembling device, the fixed block, the connecting plate, the inner arc plate, the sliding groove, the movable plate, the clamping plate and the fixed groove are arranged, so that the device can rapidly combine a plurality of winding assemblies with the outer ring assembly through the locking mechanism, the assembling efficiency of the motor stator core is greatly improved, an operator can conveniently perform winding by utilizing the split structure, and the practicability of the device is greatly improved;

2. the utility model also enables the winding assembly to be fixed with the fixed block more stably by arranging the wedge-shaped clamping groove, the wedge-shaped clamping block and the torsion spring, thereby avoiding the separation of the winding assembly and the outer ring assembly when the stator core works and further greatly improving the safety of the device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention in its entirety;

FIG. 2 is a schematic view of the internal structure of the fixing block of the present invention;

FIG. 3 is a schematic view of the internal structure of the winding assembly of the present invention;

FIG. 4 is a perspective view of the connection portion of the winding plate and the wedge block in accordance with the present invention;

in the figure: 1. an outer race assembly; 2. a fixed block; 3. a winding assembly; 31. a connecting plate; 32. an inner arc plate; 33. a chute; 34. a movable plate; 35. clamping a plate; 36. a wedge-shaped clamping groove; 37. a torsion spring; 38. a wear layer; 4. fixing grooves; 5. a wire winding plate; 6. a wedge-shaped fixture block; 7. an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a split type motor stator core, including an outer ring assembly 1, a plurality of fixed blocks 2 fixedly connected to the inside of the outer ring assembly 1, the fixed blocks 2 being distributed on the inner wall of the outer ring assembly 1 in an annular array, a winding assembly 3 fixedly connected between two adjacent fixed blocks 2 through a locking mechanism, the winding assembly 3 including a connecting plate 31, an inner arc plate 32 fixedly connected to one side of the connecting plate 31, a movable plate 34 movably connected to the other side of the connecting plate 31, the stator core being configured into a plurality of split type winding assemblies 3 having the same structure, so that an operator can more conveniently perform winding processing, the locking mechanism including a fixed slot 4 opened in the inside of the fixed block 2, a snap-gauge 35 snap-connected to the inside of the fixed slot 4, the other side of the snap-gauge 35 being fixedly connected to the movable plate 34, the winding assembly 3 being rapidly fixed to the fixed blocks 2 by the locking mechanism, so that the assembly efficiency of the operator is faster.

In a preferred embodiment, the sliding grooves 33 are formed in both sides of the inside of the connecting plate 31, the inner walls of the two sliding grooves 33 are fixedly connected with the torsion springs 37, the other ends of the torsion springs 37 are fixedly connected with the movable plate 34, and when the locking plate 35 is fixed to the fixed groove 4, the torsion springs 37 can form a stable supporting force for the movable plate 34 by utilizing the flexibility and resilience of the torsion springs 37, so that the locking plate 35 is fixed to the fixed groove 4 more tightly.

In a preferred embodiment, a wedge-shaped clamping groove 36 is formed in the top of the movable plate 34, a wedge-shaped clamping block 6 is fixedly connected to the inside of the wedge-shaped clamping groove 36, a winding plate 5 is fixedly connected to the top of the wedge-shaped clamping block 6, and the wedge-shaped clamping block 6 can lock the position of the movable plate 34 by using a wedge-shaped connection mode between the wedge-shaped clamping groove 36 and the wedge-shaped clamping block 6, so that the clamping plate 35 is prevented from being separated from the fixing groove 4 when the stator core works.

In a preferred embodiment, the insulating layer 7 is disposed on the top of the winding plate 5, the wear-resistant layer 38 is disposed on the outer surface of the inner arc plate 32, electrostatic induction between the winding and the iron core can be effectively avoided by using the insulating material inside the insulating layer 7, and the wear of the inner arc plate 32 can be effectively reduced by using the wear-resistant layer 38.

The working principle of the utility model is as follows: when the winding device is used, an operator firstly installs the winding assembly 3, then fixedly connects the winding assembly 3 with the fixed block 2 through the locking mechanism, when the winding device is fixed, the operator can firstly manually press the movable plates 34 at two sides to enable the movable plates 34 at two sides to move oppositely and compress the torsion spring 37 in the sliding groove 33, when the two movable plates 34 move to a proper distance, the connecting plate 31 is inserted into a gap between two adjacent fixed blocks 2, meanwhile, the force pressing the movable plates 34 is rapidly released, so that the movable plates 34 at two sides can rapidly move in opposite directions under the rebounding action of the torsion spring 37, then fine adjustment is carried out on the movable plates 34 to enable the clamping plates 35 at the outer sides of the movable plates 34 to enter the fixed groove 4, and finally, the operator inserts the winding plate 5 fixedly connected with the wedge-shaped clamping block 6 below into the wedge-shaped clamping grooves 36 at the tops of the two movable plates 34, after the wedge-shaped clamping block 6 and the wedge-shaped clamping groove 36 are fixed by force, an operator carries out winding processing on the winding assembly 3 again, and the operation is repeated, so that all the winding assemblies 3 can be installed into the outer ring assembly 1 quickly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a split type motor stator core, includes outer lane subassembly (1), its characterized in that: the inside fixedly connected with fixed block (2) of outer lane subassembly (1), fixed block (2) are provided with a plurality ofly, and are the annular array at the inner wall of outer lane subassembly (1) and distribute, adjacent two through locking mechanical system fixedly connected with wire winding subassembly (3) between fixed block (2).

2. The split stator core for an electric machine according to claim 1, wherein: the winding assembly (3) comprises a connecting plate (31), an inner arc plate (32) is fixedly connected to one side of the connecting plate (31), and a movable plate (34) is movably connected to the other side of the connecting plate (31).

3. The split stator core for an electric machine according to claim 1, wherein: the locking mechanism comprises a fixing groove (4) formed in the fixing block (2), a clamping plate (35) is connected to the inside of the fixing groove (4) in a clamping mode, and the other side of the clamping plate (35) is fixedly connected with the movable plate (34).

4. The split stator core for an electric machine according to claim 2, wherein: the connecting plate (31) is internally provided with two sliding grooves (33) on two sides, the inner walls of the two sliding grooves (33) are fixedly connected with torsion springs (37), and the other ends of the torsion springs (37) are fixedly connected with the movable plate (34).

5. The split stator core for an electric machine according to claim 2, wherein: the top of the movable plate (34) is provided with a wedge-shaped clamping groove (36), a wedge-shaped clamping block (6) is fixedly connected inside the wedge-shaped clamping groove (36), and a winding plate (5) is fixedly connected to the top of the wedge-shaped clamping block (6).

6. The split stator core for an electric machine according to claim 5, wherein: an insulating layer (7) is arranged at the top of the winding plate (5), and a wear-resistant layer (38) is arranged on the outer surface of the inner arc plate (32).

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