阅读说明：本技术 一种低成本电机定子的生产工艺 (Production process of low-cost motor stator ) 是由 胡惟言 舒泽辉 于 2021-01-13 设计创作，主要内容包括：本发明公开了一种低成本电机定子的生产工艺,包括下述步骤：S100：取长条形板材,在长条形板材上冲压槽孔；S200：将冲压后的板材弯曲成圆柱螺旋状,形成圆筒状的定子雏形,且上一层的槽孔位置和下一层的槽孔位置对应,构成电机定子的绕阻槽；S300：将电机定子的固定结构固定在所述定子雏形的内环上。本发明电机定子的本体和固定结构分两步构成,能够节省大量的原材料,所以原料成本可以大大降低。(The invention discloses a production process of a low-cost motor stator, which comprises the following steps: s100: taking a strip-shaped plate, and punching a slotted hole on the strip-shaped plate; s200: bending the punched plate into a cylindrical spiral shape to form a cylindrical stator prototype, wherein the positions of the slotted holes of the upper layer correspond to the positions of the slotted holes of the lower layer to form a winding slot of the motor stator; s300: and fixing a fixing structure of the motor stator on the inner ring of the stator prototype. The body and the fixing structure of the motor stator are formed in two steps, so that a large amount of raw materials can be saved, and the raw material cost can be greatly reduced.)

1. The production process of the low-cost motor stator is characterized by comprising the following steps of:

s100: taking a strip-shaped plate (1), and punching a slotted hole (2) on the strip-shaped plate (1);

s200: bending the punched plate into a cylindrical spiral shape to form a cylindrical stator prototype (3), wherein the positions of the slotted holes (2) of the upper layer correspond to the positions of the slotted holes (2) of the lower layer to form a winding slot (5) of the motor stator;

s300: and fixing a fixing structure (7) of the motor stator on an inner ring of the stator prototype (3).

2. The process for producing a low-cost stator of an electric machine according to claim 1, wherein the step S100 comprises the following steps: a strip-shaped plate (1) is taken, a slotted hole (2) used for forming a winding groove (5) in a subsequent process is punched on one side of the strip-shaped plate (1), and a slotted hole (2) used for forming a key groove (6) in the subsequent process is punched on the other side of the strip-shaped plate (1).

3. The process for manufacturing a low-cost stator of an electric motor according to claim 2, wherein the step S200 specifically comprises the following steps: and bending the punched plate into a cylindrical spiral shape to form a cylindrical stator prototype (3), wherein the positions of the slotted holes (2) of the upper layer correspond to the positions of the slotted holes (2) of the lower layer to form a winding slot (5) and a key slot (6) of the motor stator.

4. The process for manufacturing a low-cost stator of an electric machine according to claim 3, wherein the step S300 comprises the following steps: the fixing structure (7) is made of carbon steel plates, an arch structure (4) for fixing the motor stator is formed by bending the carbon steel plates, and the end part of the carbon steel plate is positioned in the key groove (6) to form a key position for preventing the fixing structure (7) and the stator prototype (3) from rotating relatively.

Technical Field

The invention relates to a production process of a low-cost motor stator, and belongs to the technical field of motor stator production processes.

Background

The motor stator is the stationary part of the motor. The stator consists of three parts, namely a stator iron core, a stator winding and a machine base. The main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate (output) current. At present, a motor stator is formed by sequentially stacking and welding a plurality of motor stator laminations, and the motor stator laminations are formed by punching silicon steel plates, so that the cost is high.

Disclosure of Invention

The invention aims to provide a production process of a low-cost motor stator, wherein a body and a fixing structure of the motor stator are formed in two steps, so that a large amount of raw materials can be saved, and the raw material cost can be greatly reduced.

In order to solve the technical problems, the invention adopts the following technical scheme:

a production process of a low-cost motor stator comprises the following steps:

s100: taking a strip-shaped plate, and punching a slotted hole on the strip-shaped plate;

s200: bending the punched plate into a cylindrical spiral shape to form a cylindrical stator prototype, wherein the positions of the slotted holes of the upper layer correspond to the positions of the slotted holes of the lower layer to form a winding slot of the motor stator;

s300: and fixing a fixing structure of the motor stator on the inner ring of the stator prototype.

In the foregoing production process of a low-cost motor stator, the step S100 specifically includes the following steps: and taking a strip-shaped plate, punching a slotted hole for forming a winding groove by a subsequent process on one side of the strip-shaped plate, and punching a slotted hole for forming a key groove by the subsequent process on the other side of the strip-shaped plate.

In the foregoing production process of a low-cost motor stator, the step S200 specifically includes the following steps: and bending the punched plate into a cylindrical spiral shape to form a cylindrical stator prototype, wherein the positions of the slotted holes of the upper layer correspond to the positions of the slotted holes of the lower layer to form a winding slot and a key slot of the motor stator.

In the foregoing production process of a low-cost motor stator, the step S300 specifically includes the following steps: the fixing structure is made of carbon steel plates, an arch structure for fixing the motor stator is formed by bending the carbon steel plates, and the end parts of the carbon steel plates are positioned in the key grooves to form key positions for preventing the fixing structure and the stator prototype from rotating relatively.

Compared with the prior art, the motor stator body and the fixing structure are formed in two steps, so that a large amount of raw materials can be saved, and the raw material cost can be greatly reduced.

Drawings

FIG. 1 is a schematic structural diagram of an elongated plate;

FIG. 2 is a stamped strip of sheet material;

FIG. 3 is a schematic diagram of the structure of a stator prototype;

fig. 4 is a schematic structural view of a stator of the motor.

Reference numerals: 1-strip-shaped plate, 2-slotted hole, 3-stator prototype, 4-arch structure, 5-winding groove, 6-key groove and 7-fixing structure.

The invention is further described with reference to the following figures and detailed description.

Detailed Description

Embodiment 1 of the present invention provides a production process of a low-cost motor stator, including the steps of:

s100: taking a strip-shaped plate 1, and punching a slotted hole 2 on the strip-shaped plate 1;

s200: bending the punched plate into a cylindrical spiral shape to form a cylindrical stator prototype 3, wherein the positions of the slotted holes 2 of the upper layer correspond to the positions of the slotted holes 2 of the lower layer to form a winding slot 5 of the motor stator;

s300: the fixing structure 7 of the motor stator is fixed on the inner ring of the stator prototype 3.

Embodiment 2. a production process of a low-cost motor stator, comprising the steps of:

s100: taking a strip-shaped plate 1, punching a slotted hole 2 for forming a winding groove 5 in a subsequent process on one side of the strip-shaped plate 1, and punching a slotted hole 2 for forming a key groove 6 in the subsequent process on the other side of the strip-shaped plate 1.

S200: and bending the punched plate into a cylindrical spiral shape to form a cylindrical stator prototype 3, wherein the positions of the slotted holes 2 of the upper layer correspond to the positions of the slotted holes 2 of the lower layer to form a winding slot 5 and a key slot 6 of the motor stator.

S200: fix motor stator's fixed knot constructs 7 on stator rudiment 3's inner ring, fixed knot constructs 7 and is made by carbon steel sheet material, forms arch structure 4 that is used for fixed motor stator through crooked carbon steel sheet material, and the tip of carbon steel sheet material is located keyway 6 and constitutes the key position that prevents fixed knot from constructing 7 and stator rudiment 3 and take place relative rotation.