WO2019084866A1 - Convenient positioning core rod for processing excircle of stator core of motor - Google Patents

Abstract

A convenient positioning core rod for processing the excircle of a stator core of a motor comprises a shaft body (1), a sliding cone (2), an expansion sleeve (3), and a nut (4). The shaft body (1) runs through the sliding cone (2), the expansion sleeve (3) and the nut (4). The expansion sleeve (3) is sleeved on the sliding cone (2). A set of cylindrical pins (5) and a straight key (8) are also disposed on the shaft body (1). The cylindrical pins (5) are disposed between the shaft body (1) and the sliding cone (2), and the straight key (8) is disposed between the shaft body (1) and the expansion sleeve (3). The shaft body (1) is also provided with a set of retaining rings (6). The retaining rings (6) fix the shaft body (1) and the expansion sleeve (3). The positioning core rod has a simple structure and a proper design, is easy to produce, and is convenient to use, allows the processing of the excircle of the stator core of the motor to be every convenient and can accurately and stably fix the stator core, and the processing efficiency of the excircle of the stator core is high.

Description

A convenient motor stator core outer circle processing positioning mandrel Technical field

The utility model belongs to the field of motor manufacturing, in particular to a convenient motor stator core outer circle processing positioning mandrel, particularly but not limited to a stator core outer circle processing of a larger motor.

Background technique

As the market demands, customers' demand for motors is growing. As an important part of the motor, the stator is gradually improving its processing technology.

Since the stator of the motor has its production specifications, it is required to produce a stator core with consistency. If the accuracy of the outer core of the stator core cannot meet the requirements, the motor vibration and performance specifications cannot meet the requirements, especially the motor with large size, long stator size and high power.

In the production process of the motor stator, the traditional method is to manually process the outer circle of the stator core of the motor, which is very inconvenient. Moreover, the technical requirements are high, the labor intensity is high, and the work efficiency is low. The outer circumference of the processed stator core is uneven, and the quality of the product is difficult to ensure.

In addition, since the total weight of a large number of stator iron chips is very heavy, how to perform large-scale processing of the stator iron chips in batches and to ensure the accuracy and stability of the outer circumference processing of the stator cores is also urgently to be solved.

Utility model content

Purpose of the utility model: The purpose of the utility model is to provide a convenient motor stator core outer circle processing positioning mandrel, the convenient motor stator core outer circle processing positioning mandrel structure is simple, reasonable, convenient to use, good adaptability It is especially suitable for the machining of the outer core of the stator core of a larger motor.

Technical Solution: The utility model provides a convenient motor stator core outer circle processing positioning mandrel, comprising a shaft body, a sliding vertebral body, a riser sleeve and a nut, wherein the shaft body is disposed on the sliding vertebral body, the expansion sleeve and In the nut, the rising sleeve is sleeved on the sliding vertebral body, and the nut is connected with the sliding vertebral body; wherein the shaft body is further provided with a set of cylindrical pins and a straight key, the cylindrical pin is disposed on the shaft body and Between the sliding vertebral bodies, the straight key is disposed between the shaft body and the rising sleeve. When the shaft body rotates, the cylindrical pin can drive the sliding vertebral body to rotate together, and when the nut rotates, the cylindrical pin can prevent the sliding vertebral body from rotating together. . The straight key drives the rising sleeve to rotate together with the shaft body; the shaft body is further provided with a set of retaining rings, the retaining ring fixes the shaft body and the rising sleeve, and the retaining ring can effectively prevent the shaft body and the rising sleeve from being laterally Move to ensure the accuracy and stability of the processing mandrel. The convenient motor stator core outer circumference processing positioning core rod of the utility model has the advantages of simple structure, reasonable design, easy production and convenient use, and the motor stator which needs to be processed is sleeved on the rising sleeve, and the nut is rotated. The sliding vertebral body is driven to slide left and right, so that the tire is changed in radial dimension to achieve the purpose of fixing the inner circle of the stator core. Through the rotation of the shaft, the motor The outer core of the stator core is processed very conveniently and conveniently, and the stator core can be fixed accurately and stably, and the machining efficiency of the outer core of the stator core is high.

Further, the above-mentioned convenient motor stator core outer circumference processing positioning mandrel, the rising sleeve comprises a rising sleeve end portion and a rising sleeve body, and the rising sleeve end portion is sleeved on the sliding vertebral body. The expansion sleeve can undergo a certain elastic deformation, and is used for fixing the inner circle of the stator core of different diameters, and has good adaptability.

Further, the convenient motor stator core outer circumference processing positioning mandrel, the rising sleeve end portion is a trapezoidal riser end portion, and the near rising sleeve body end is wider than the rising sleeve body end. The riser end of the trapezoidal profile further enhances the adaptability of the device and allows for more precise adjustments.

Further, the above-mentioned convenient motor stator core outer circumference processing positioning mandrel, and the rising sleeve body is further provided with a weight reducing hole. While ensuring the stability requirements of the riser sleeve, the weight of the entire device is effectively reduced, and the production cost can be reduced.

Further, the above-mentioned convenient motor stator core outer circumference is processed and positioned, and the expansion sleeve is made of an elastic material. The wide selection of elastic materials can make the adaptability of the riser better.

Further, the above-mentioned convenient motor stator core outer circumference is processed and positioned, and the pedestal is further provided at both ends of the shaft body. The ejector pin can ensure the alignment of the shaft body accurately, ensure the rotation of the shaft body along the axis, and ensure the precision of the outer circle machining of the stator core of the motor.

Further, the above-mentioned convenient motor stator core outer circumference processing positioning mandrel, the sliding vertebral body comprises a sliding vertebral body convex portion and a sliding vertebral body concave portion, the nut comprises a nut convex portion and a nut concave portion, the sliding vertebra The body projection is adapted to the shape of the nut recess, the sliding cone recess being adapted to the shape of the nut projection. The sliding cone and nut are reasonably shaped, securely fastened, and easy to implement.

The above technical solution can be seen that the utility model has the following beneficial effects: the convenient motor stator core outer circle processing positioning mandrel according to the utility model has simple and reasonable structure, convenient use, stable fixation, convenient adjustment and adaptability. Well, the use is very convenient and convenient, the stator core can be fixed accurately and stably, and the outer core of the stator core has high processing efficiency and high promotion value, and is especially suitable for the outer core machining of the stator core of a larger motor.

DRAWINGS

1 is a schematic cross-sectional structural view of a stator core of an outer rotor of a portable motor according to the present invention.

In the figure: 1 axis body, 2 sliding vertebral body, 21 sliding vertebral body convex part, 22 sliding vertebral body concave part, 3 up sleeve, 31 up sleeve end part, 32 up sleeve body, 321 weight reduction hole, 4 nut, 41 nut Convex, 42 nut recess, 5 cylindrical pin, 6 retaining ring, 7 thimble, 8 straight keys.

Detailed ways

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", The orientation or positional relationship of "post", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise", etc. is based on The orientation or positional relationship shown in the figures is for the convenience of the description of the present invention and the simplified description, and is not intended to indicate or imply that the device or component referred to has a specific orientation, is constructed and operated in a specific orientation, and thus cannot be understood. To limit the invention.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, "a plurality" means two or more unless otherwise specifically defined.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may include first and second, unless otherwise specifically defined and defined. Features are not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.

Example

As shown in FIG. 1 , the convenient motor stator core outer circumference machining positioning core rod comprises a shaft body 1 , a sliding vertebral body 2 , a rising sleeve 3 and a nut 4 , and the shaft body 1 is disposed on the sliding vertebral body 2 . In the sleeve 3 and the nut 4, the expansion sleeve 3 is sleeved on the sliding vertebral body 2, and the nut 4 is connected to the sliding vertebral body 2.

The riser sleeve 3 is made of an elastic material, and the riser sleeve 3 includes a riser end portion 31 and a riser sleeve body 32, and the riser sleeve end portion 31 is sleeved on the sliding vertebral body 2. Moreover, the riser end portion 31 is a riser end portion having a trapezoidal cross section. 31, the near-up sleeve body 32 end is wider than the end of the riser body 32. In addition, the weight-receiving body 32 is further provided with a weight reducing hole 321 .

Further, the sliding vertebral body 2 includes a sliding vertebral body protrusion 21 and a sliding vertebral body recess 22, the nut 4 including a nut convex portion 41 and a nut concave portion 42, the sliding vertebral body convex portion 21 and the nut concave portion 42 being shaped Suitably, the sliding vertebral body recess 22 is adapted to the shape of the nut projection 41.

In addition, the shaft body 1 is further provided with a set of cylindrical pins 5 and a straight key 8 disposed between the shaft body 1 and the sliding vertebral body 2, and the straight keys 8 are arranged on the shaft body 1 and up. Between the sleeves 3, when the shaft body 1 is rotated, the cylindrical pin 5 can drive the sliding vertebral bodies 2 to rotate together. Also, when the nut 4 is rotated, the cylindrical pin 5 can prevent the sliding vertebral body 2 from rotating together. The straight key 8 drives the riser 3 to rotate with the shaft body 1. Moreover, the shaft body 1 is further provided with a set of retaining rings 6, which fix the shaft body 1 and the rising sleeve 3, and the retaining ring 6 can effectively prevent the movement of the shaft body 1 and the rising sleeve 3 in the lateral direction, thereby ensuring The accuracy and stability of the positioning mandrel.

Further, the above-mentioned convenient motor stator core is machined to position the mandrel, and the shank 7 is further provided at both ends of the shaft body 1. The ejector pin can ensure the alignment of the shaft body accurately, ensure the rotation of the shaft body along the axis, and ensure the precision of the outer circle machining of the stator core of the motor.

The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make some improvements without departing from the principle of the present invention. It is the scope of protection of the present invention.

Claims (7)

A convenient motor stator core outer circle processing positioning mandrel, comprising: a shaft body (1), a sliding cone body (2), a rising sleeve (3) and a nut (4), the shaft body (1) Between the sliding vertebral body (2), the riser sleeve (3) and the nut (4), the expansion sleeve (3) is sleeved on the sliding vertebral body (2), the nut (4) and the sliding vertebra The body (2) is connected; wherein the shaft body (1) is further provided with a set of cylindrical pins (5) and a straight button (8), and the cylindrical pin (5) is disposed on the shaft body (1) and the sliding vertebra Between the bodies (2), the straight key (8) is disposed between the shaft body (1) and the rising sleeve (3); the shaft body (1) is further provided with a set of retaining rings (6), the blocking body The ring (6) fixes the shaft body (1) to the riser sleeve (3). The convenient motor stator core outer circumference machining positioning core rod according to claim 1, wherein the expansion sleeve (3) comprises a riser end portion (31) and a rise sleeve body (32), and the riser The sleeve end (31) is sleeved on the sliding vertebral body (2). The convenient motor stator core outer circumference machining positioning core rod according to claim 2, wherein the rising sleeve end portion (31) is a riser sleeve end portion (31) having a trapezoidal cross section, and the near sleeve portion is extended. The body (32) end is wider than the end of the riser body (32). The convenient motor stator core outer circumference machining positioning core rod according to claim 2, wherein the rising sleeve body (32) further comprises a weight reducing hole (321). The convenient motor stator core outer circumference machining positioning core rod according to any one of claims 1 to 4, characterized in that the expansion sleeve (3) is made of an elastic material. The convenient motor stator core outer circumference machining positioning core rod according to claim 1, wherein the shaft body (1) is further provided with a thimble (7) at both ends. The convenient motor stator core outer circumference machining positioning core rod according to claim 1, wherein the sliding vertebral body (2) comprises a sliding vertebral body protrusion (21) and a sliding vertebral body concave portion (22). The nut (4) includes a nut protrusion (41) and a nut recess (42), the sliding cone protrusion (21) is adapted to the shape of the nut recess (42), and the sliding cone recess (22) is The shape of the nut projection (41) is adapted.

Images