CN-224233416-U - Rust-proof motor rotor core with insulation protection structure

Abstract

The utility model relates to the technical field of rotor cores, and particularly discloses an anti-rust motor rotor core with an insulation protection structure, which comprises a rotor punching sheet, wherein the rotor punching sheet is of a circular silicon steel sheet structure, a connecting hole is formed in the surface of the rotor punching sheet, the connecting hole and the rotor punching sheet are of concentric circle structures, the connecting hole is formed by punching through a punching machine, a connecting groove is formed in the outer surface of the rotor punching sheet, and the connecting groove is of a trapezoid through hole structure. This rust-resistant motor rotor core with insulation protection structure, this device is at the insulating protective coating that rotor punching both sides surface coating insulating varnish formed respectively, utilizes the external factor such as protective coating isolation air, moisture to play good rust-resistant effect with the direct contact of rotor punching to simultaneously, insulating coating can also strengthen the insulating properties of rotor core, reduces the electric current leakage risk, ensures the security and the stability of motor operation.

Inventors

• HONG ZHEN

Assignees

• 宁波镇海龙羿机电科技有限责任公司

Dates

Publication Date

20260512

Application Date

20250609

Claims (7)

1. 1. The anti-rust motor rotor core with the insulation protection structure comprises a rotor punching sheet (1), wherein the rotor punching sheet (1) is of a circular silicon steel sheet structure, and is characterized in that a connecting hole (2) is formed in the surface of the rotor punching sheet (1), the connecting hole (2) and the rotor punching sheet (1) are of concentric circle structures, the connecting hole (2) is formed by punching through a punching machine, a connecting groove (3) is formed in the outer surface of the rotor punching sheet (1), the connecting groove (3) is of a trapezoid through hole structure, the connecting groove (3) penetrates through the outer surface of the rotor punching sheet (1), and the connecting groove (3) is formed by punching through the punching machine.
2. 2. The anti-rust motor rotor core with the insulation protection structure according to claim 1, wherein the two side surfaces of the rotor punching sheet (1) are respectively provided with a protective coating (4), and the protective coating (4) uses coating equipment to form an insulation coating on the surface of the insulating paint rotor punching sheet (1).
3. 3. The anti-rust motor rotor core with the insulation protection structure according to claim 1, wherein the surface of the rotor punching sheet (1) is provided with a heat dissipation structure, and the heat dissipation structure increases the heat dissipation efficiency of the rotor punching sheet (1) through the outer heat dissipation holes (5) and the inner heat dissipation holes (6).
4. 4. The anti-rust motor rotor core with the insulation protection structure according to claim 3, wherein the heat dissipation structure comprises an outer heat dissipation hole (5), the outer heat dissipation hole (5) is a blade-shaped through hole, the outer heat dissipation hole (5) is annularly arranged on the surface of the rotor punching sheet (1), the outer heat dissipation hole (5) and the connecting groove (3) are alternately arranged, an inner heat dissipation hole (6) is annularly arranged on the surface of the rotor punching sheet (1), the inner heat dissipation hole (6) is a blade-shaped through hole, and the inner heat dissipation hole (6) is annularly arranged on the outer surface of the connecting hole (2).
5. 5. The motor rotor core with the insulation protection structure according to claim 1, wherein the surface of the rotor punching sheet (1) is provided with a clamping structure, and the clamping structure increases the connection stability among the plurality of rotor punching sheets (1) through the connecting grooves (7) and the connecting convex blocks (8).
6. 6. The anti-rust motor rotor core with the insulation protection structure according to claim 5, wherein the clamping structure comprises connecting grooves (7), the connecting grooves (7) are of trapezoid structures, the connecting grooves (7) are arranged on the inner wall of the connecting holes (2) in a penetrating mode, the connecting grooves (7) are arranged in the annular mode at equal intervals on the inner wall of the connecting holes (2), connecting lugs (8) are arranged between every two adjacent connecting grooves (7), the connecting lugs (8) are trapezoid bulges, the connecting lugs (8) are matched with the connecting grooves (7) in a clamping mode, the thickness of the connecting lugs (8) is equal to that of the rotor punching sheet (1), the two side surfaces of the rotor punching sheet (1) are respectively provided with 3 connecting lugs (8) in an annular mode, and the 3 connecting lugs (8) are arranged in an equidistant mode.
7. 7. The motor rotor core with the insulation protection structure according to claim 1, wherein 2 rotor sheets (1) are welded and connected, a connecting groove (7) on the surface of one rotor sheet (1) is clamped and connected with a connecting lug (8) on the surface of the other rotor sheet (1), and a plurality of rotor sheets (1) are welded and connected with each other to form the complete rotor core.

Description

Rust-proof motor rotor core with insulation protection structure Technical Field The utility model relates to the technical field of rotor cores, in particular to an anti-rust motor rotor core with an insulation protection structure. Background The motor comprises rotor and stator, and the rotor includes the iron core and installs the coil on the iron core, and when the motor was operated, the rotor core can produce induced electromotive force, and the motor rotor core is the key part of motor, plays core effect in motor operation, mainly is laminated by the silicon steel sheet and makes, if rotor core insulating properties is not good, can lead to the electric current leakage on the one hand, makes the electric energy unable conversion into mechanical energy effectively, reduces motor efficiency, on the other hand, and the electric leakage can cause the incident, threatens operating personnel's personal safety. The traditional insulation process of the electronic core is to arrange insulation paper between the rotor core and the copper wire and coat insulation paint, so that the process is complicated, the production efficiency is low, and the cost is increased. Disclosure of utility model The utility model aims to provide an anti-rust motor rotor core with an insulation protection structure, which is used for coating an insulation coating in the processing process of a rotor core punching sheet so as to solve the problems in the prior art. In order to achieve the above purpose, the utility model provides a rust-proof motor rotor core with an insulation protection structure, which comprises a rotor punching sheet, wherein the rotor punching sheet is of a round silicon steel sheet structure, the surface of the rotor punching sheet is provided with a connecting hole, the connecting hole and the rotor punching sheet are of a concentric circle structure, the connecting hole is formed by punching through a punching machine, the outer surface of the rotor punching sheet is provided with a connecting groove, the connecting groove is of a trapezoid through hole structure, the outer surface of the rotor punching sheet is communicated through the connecting groove, and the connecting groove is formed by punching through the punching machine. Preferably, protective coatings are respectively arranged on the two side surfaces of the rotor punching sheet, and the protective coatings form insulating coatings on the surfaces of the rotor punching sheet by using coating equipment. By adopting the technical scheme, the insulating coating can be formed on the surface of the rotor punching sheet by utilizing the protective coating. Preferably, a heat dissipation structure is arranged on the surface of the rotor punching sheet, and the heat dissipation structure increases the heat dissipation efficiency of the rotor punching sheet through the outer heat dissipation holes and the inner heat dissipation holes. By adopting the technical scheme, the heat dissipation efficiency of the rotor punching sheet can be increased by utilizing the heat dissipation structure. Preferably, the heat radiation structure comprises an outer heat radiation hole, the outer heat radiation hole is a blade-shaped through hole, the outer heat radiation hole is annularly arranged on the surface of the rotor punching sheet, the outer heat radiation hole and the connecting groove are alternately arranged, an inner heat radiation hole is annularly arranged on the surface of the rotor punching sheet, the inner heat radiation hole is a blade-shaped through hole, and the inner heat radiation hole is annularly arranged on the outer surface of the connecting hole. By adopting the technical scheme, the heat dissipation efficiency of the device can be increased by utilizing the outer heat dissipation holes and the inner heat dissipation holes. Preferably, the surface of the rotor punching sheet is provided with a clamping structure, and the clamping structure increases the connection stability between the plurality of rotor punching sheets through the connection grooves and the connection convex blocks. By adopting the technical scheme, the connection stability among the plurality of rotor punching sheets can be improved by utilizing the clamping structure. Preferably, the joint structure includes the connection recess, the connection recess is trapezoidal structure, the connection recess runs through the inner wall that sets up at the connecting hole, the connection recess sets up 3 at the inner wall annular equidistance of connecting hole, adjacent 2 be provided with between the connection recess and connect the lug, it is trapezoidal protruding to connect the lug, and connects lug and connection recess block and match, it is equi-large to connect lug and rotor punching's thickness, rotor punching's both sides surface is provided with 3 connection lugs respectively annular, 3 the equidistance sets up between the connection lug. By adopting the technical scheme,