Motor iron core and processing technology thereof

Abstract

The present invention discloses a motor core and its processing technology, including a top sheet processing technology and a core preparation technology, wherein the top sheet processing technology has the following specific processing flow: material selection, punching, polishing, and grooving: placing the polished workpiece on a grooving machine for grooving, cleaning, and drying; the motor core preparation technology has the following specific processing flow: overlapping and pressing. The motor core and its processing technology described in the present invention, the motor core obtained by the process is provided with a combination part, and a plurality of gluing grooves are provided on both sides of the combination part, and a glue injection hole is provided on the upper surface of the combination part. When the motor core is overlapped, when the adhesive is injected into the gluing groove through the glue injection hole, the combination part can bond all the top sheets to the combination part together, which greatly increases the connection strength of all the top sheets, thereby maximizing the combined strength of the motor core.

Description

Technical Field

[0001] The present invention relates to the technical field of motor component processing, and in particular to a motor core and a processing technology thereof. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. It is represented by the letter M (D in the old standard) in the circuit. Its main function is to generate driving torque as a power source for electrical appliances or various machines. A generator is represented by the letter G in the circuit. Its main function is to convert mechanical energy into electrical energy. Currently, the most common method is to use heat energy, water energy, etc. to drive the generator rotor to generate electricity.

[0003] The motor core is an indispensable component of the motor. The motor core processed by the existing motor core processing technology has the following defects:

[0004] (1) Poor insulation effect;

[0005] (2) It is impossible to simultaneously ensure the heat dissipation performance and rigidity of the motor core;

[0006] (3) There is a risk of loose connections between the top plates in the motor core. Summary of the invention

[0007] The main purpose of the present invention is to provide a motor core and its processing technology, which can effectively solve the problems of poor insulation effect of the motor core, inability to simultaneously ensure the heat dissipation performance and rigidity of the motor core, and the hidden danger of loose connections between the top plates in the motor core.

[0008] To achieve the above object, the technical solution adopted by the present invention is:

[0009] A motor iron core and a processing technology thereof, including a top sheet processing technology and an iron core preparation technology, wherein:

[0010] The top sheet processing technology is used to process an independent top sheet, and the specific processing flow is as follows:

[0011] (a) Material selection and punching: Place the selected raw materials on the punching machine for punching and shaping;

[0012] (b) Polishing: Place the punched workpiece on a polishing machine for polishing;

[0013] (c) Grooving: placing the polished workpiece on a groove pressing machine for groove pressing;

[0014] (d) Cleaning and drying: The polished workpiece is placed in a rinser for washing to make its surface smooth and free of debris, and then the cleaned workpiece is placed in a dryer for drying to obtain a top sheet;

[0015] The motor core preparation process is used to stack and mold the processed top sheets together to prepare the motor core. The specific processing flow is as follows:

[0016] (S1) Overlay: Overlay several workpieces together by a robot, and make the slots and holes on each workpiece correspond to each other;

[0017] (S2) Pressing and forming: placing the stacked workpiece group in a shaping mold for pressurization and shaping to form a motor core.

[0018] Preferably, the motor core processing process further includes:

[0019] A combination part for strengthening the connection strength of each top sheet is inserted on the motor core, and the combination part is glued to the motor core, wherein the glue used for gluing is JL-510 type high temperature resistant epoxy AB glue.

[0020] Preferably, the depth of the groove pressed by the groove pressing machine in step (c) is half the thickness of the top sheet, and the bottom of the groove extends out of the bottom surface of the top sheet, and the extended thickness is one half of the thickness of the top sheet.

[0021] Preferably, in step (d), the drying temperature is 100° C. and the drying time is 15-25 min.

[0022] Preferably, the motor core processing process further includes:

[0023] A layer of insulating paint is coated on the surface of the top sheet.

[0024] Preferably, the present invention further discloses a motor core, which is formed by stacking a number of top sheets, an open groove is provided at the outer edge of the top sheet, an installation slot is provided on the inner side of the top sheet, and a heat dissipation hole, a combination slot and a stacking slot are provided on the surface of the top sheet, wherein a combination part is inserted into the inside of the combination slot.

[0025] Preferably, both ends of the cross section of the combination part adopt arc-shaped structures, gluing grooves are provided on both sides of the combination part, and a glue injection hole is provided on the upper surface of the combination part, and the glue injection hole is connected to the gluing groove.

[0026] Preferably, a plurality of heat dissipation holes are provided, the plurality of heat dissipation holes are distributed at equal intervals, and each heat dissipation hole is composed of three fan-shaped through holes distributed in a circular array.

[0027] Preferably, there are four overlapping grooves in total, and the four overlapping grooves are distributed in a circular array.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] In the motor core produced by the process of the present invention, the surface of the top sheet is coated with insulating paint, so that the insulation performance of the entire motor core is higher;

[0030] The heat dissipation holes on the motor core produced by the process of the present invention are composed of three fan-shaped through holes distributed in a circular array. Such a structural arrangement can greatly increase the heat dissipation performance of the motor core while ensuring the rigidity of the motor core.

[0031] The motor core obtained by this process is interspersed with a combination part, and a number of gluing grooves are opened on both sides of the combination part, and a glue injection hole is opened on the upper surface of the combination part. When the motor core is stacked, when adhesive is injected into the gluing groove through the glue injection hole, the combination part can bond all the top sheets to the combination part, which greatly increases the connection strength of all the top sheets, thereby maximizing the combined strength of the motor core. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 An overall flow chart of a motor core processing process according to the present invention is provided;

[0033] Figure 2 This is a schematic diagram of the top plate structure in a motor core of the present invention;

[0034] Figure 3 A motor core of the present invention Figure 2 Enlarged view of area A in the middle;

[0035] Figure 4 The present invention is a schematic diagram of the structure of the combined part of the motor core.

[0036] Figure numerals: 1. Combination slot; 2. Overlapping slot; 3. Mounting slot; 4. Top sheet; 5. Opening slot; 6. Heat dissipation hole; 7. Combination part; 8. Glue injection hole; 9. Gluing slot. DETAILED DESCRIPTION

[0037] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0038] Example 1

[0039] like Figure 1 As shown, the present invention discloses a motor core processing technology, including a top plate 4 processing technology and a core preparation technology, wherein:

[0040] The top sheet 4 processing technology is used to process the independent top sheet 4. The specific processing flow

[0041] The process is as follows:

[0042] (a) Material selection and punching: Place the selected raw materials on the punching machine for punching and shaping;

[0043] (b) Polishing: Place the punched workpiece on a polishing machine for polishing;

[0044] (c) Grooving: placing the polished workpiece on a groove pressing machine for groove pressing;

[0045] (d) Cleaning and drying: The polished workpiece is placed in a rinser for washing to make its surface smooth and free of debris, and then the cleaned workpiece is placed in a dryer for drying to obtain a top sheet 4;

[0046] The motor core preparation process is used to stack and mold the processed top sheets 4 together to prepare the motor core. The specific processing flow is as follows:

[0047] (S1) Overlay: Overlay several workpieces together by a robot, and make the slots and holes on each workpiece correspond to each other;

[0048] (S2) Pressing and forming: placing the stacked workpiece group in a shaping mold for pressurization and shaping to form a motor core.

[0049] The motor core processing technology also includes:

[0050] A combination part 7 for reinforcing the connection strength of each top sheet 4 is inserted on the motor core, and the combination part 7 is glued to the motor core, wherein the glue used for gluing is JL-510 type high temperature resistant epoxy AB glue.

[0051] The depth of the groove pressed by the groove pressing machine in step (c) is half the thickness of the top sheet 4 , and the bottom of the groove extends out of the bottom surface of the top sheet 4 , and the extended thickness is half the thickness of the top sheet 4 .

[0052] In the step (d), the drying temperature is 100° C. and the drying time is 15-25 min.

[0053] The motor core processing technology also includes:

[0054] A layer of insulating paint is coated on the surface of the top sheet 4 .

[0055] Example 2

[0056] like Figure 2-4 As shown, the present invention also discloses a motor core, which is composed of a plurality of top sheets 4 stacked together, an open groove 5 is provided at the outer edge of the top sheet 4, an installation slot 3 is provided on the inner side of the top sheet 4, and a heat dissipation hole 6, a combination slot 1 and a stacking slot 2 are provided on the surface of the top sheet 4, wherein a combination portion 7 is inserted into the inside of the combination slot 1.

[0057] The cross-section of the combination part 7 has an arc-shaped structure at both ends, and gluing grooves 9 are provided on both sides of the combination part 7. Glue injection holes 8 are provided on the upper surface of the combination part 7, and the glue injection holes 8 are connected with the gluing grooves 9. There are two groups of gluing grooves 9, and each group of gluing grooves 9 is provided with a plurality of gluing grooves 9. The plurality of gluing grooves 9 are connected with each other, and the gluing grooves 9 in the same group are all connected with the corresponding glue injection holes 8.

[0058] A number of heat dissipation holes 6 are provided, and the heat dissipation holes 6 are distributed at equal intervals. Each heat dissipation hole 6 is composed of three fan-shaped through holes distributed in a circular array.

[0059] There are four overlapping grooves 2 in total, and the four overlapping grooves 2 are distributed in a circular array.

[0060] The motor core in Example 2 is obtained by processing in combination with the processing method of Example 1. Since the surface of the top plate 4 of the core is coated with insulating paint, the insulation performance of the entire motor core is higher;

[0061] The heat dissipation holes 6 on the motor core obtained by this process are composed of three fan-shaped through holes distributed in a circular array. Such a structural setting can greatly increase the heat dissipation performance of the motor core while ensuring the strength of the motor core.

[0062] Since the motor core obtained by this process is interspersed with a combination part 7, and a plurality of gluing grooves 9 are opened on both sides of the combination part 7, and a glue injection hole 8 is opened on the upper surface of the combination part 7, when the motor core is stacked, when adhesive is injected into the gluing groove 9 through the glue injection hole 8, the combination part 7 can bond all the top sheets 4 to the combination part 7 together, which greatly increases the connection strength of all the top sheets 4, thereby maximizing the combined strength of the motor core.

[0063] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A motor core, characterized in that: The motor core is formed by stacking a number of top sheets, an opening groove is provided at the outer edge of the top sheet, a mounting slot is provided on the inner side of the top sheet, and a heat dissipation hole, a combination slot and a stacking slot are provided on the surface of the top sheet, wherein a combination part is inserted in the combination slot; The two ends of the cross section of the combined part adopt an arc-shaped structure, the two sides of the combined part are provided with gluing grooves, the upper surface of the combined part is provided with a glue injection hole, and the glue injection hole is connected with the gluing groove; The motor core is manufactured by a motor core processing technology, and the motor core processing technology includes a top sheet processing technology and a core preparation technology, wherein: The top sheet processing technology is used to process an independent top sheet, and the specific processing flow is as follows: (a) Material selection and punching: Place the selected raw material on the punching machine for punching and shaping; (b) Polishing: Place the punched workpiece on a polishing machine for polishing; (c) Grooving: placing the polished workpiece on a groove pressing machine for groove pressing; (d) Cleaning and drying: The polished workpiece is placed in a rinser for washing to make its surface smooth and free of debris, and then the cleaned workpiece is placed in a dryer for drying to obtain a top sheet; The iron core preparation process is used to stack and mold the processed top sheets together to prepare the motor iron core. The specific processing flow is as follows: (S1) Overlay: Overlay several workpieces together by a robot, and make the slots and holes on each workpiece correspond to each other; (S2) Pressing and forming: placing the stacked workpiece group in a shaping mold for pressurization and shaping to form a motor core.

2. A motor core according to claim 1, characterized in that: The motor core processing technology also includes: A combination part for strengthening the connection strength of each top sheet is inserted on the motor core, and the combination part is glued to the motor core, wherein the glue used for gluing is JL-510 type high temperature resistant epoxy AB glue.

3. The motor core according to claim 1, characterized in that: In the step (c), the depth of the groove pressed by the groove pressing machine is half the thickness of the top sheet, and the bottom of the groove extends out of the bottom surface of the top sheet, and the extended thickness is half the thickness of the top sheet.

4. The motor core according to claim 1, characterized in that: In the step (d), the drying temperature is 100° C. and the drying time is 15-25 min.

5. The motor core according to claim 1, characterized in that: The motor core processing technology also includes: A layer of insulating paint is coated on the surface of the top sheet.

6. The motor core according to claim 1, characterized in that: A total of several heat dissipation holes are provided, and the several heat dissipation holes are distributed at equal intervals. Each of the heat dissipation holes is composed of three fan-shaped through holes distributed in a circular array.

7. The motor core according to claim 1, characterized in that: There are four overlapping grooves in total, and the four overlapping grooves are distributed in a circular array.

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