Alternating current servo motor

Abstract

The utility model provides an AC servo motor, and belongs to the technical field of servo motors. The problem that in the prior art, heat dissipation of a servo motor is not efficient enough is solved. The motor comprises a motor shell, a front end cover is installed on the front side of the motor shell, a rear end cover is installed on the rear side of the motor shell, placing faces are formed at the upper ends of the two sides of the motor shell, placing inclined faces are formed on the two sides of the motor shell, and a junction box is fixedly installed at the top end of the motor shell. A first fan and a second fan are fixedly installed on the two sides of the outer end of the motor shell respectively, a first fan shell and a second fan shell are installed on the outer sides of the first fan and the second fan respectively, and a first fan control box and a second fan control box are arranged at the upper end of the first fan shell and the upper end of the second fan shell respectively. A fan lead extends out of the front end of the junction box, the fan lead is attached to the placing face and the placing inclined face, and the fan lead penetrates through the second fan control box and the first fan control box. The LED lamp has the advantages of being good in heat dissipation performance and convenient to disassemble and maintain.

Description

Technical Field

[0001] The utility model belongs to the technical field of servo motors and relates to an AC servo motor. Background Art

[0002] The rotor inside the servo motor is a permanent magnet. The U / V / W three-phase electricity controlled by the driver forms an electromagnetic field. The rotor rotates under the action of this magnetic field. At the same time, the encoder of the motor feeds back the signal to the driver. The driver compares the feedback value with the target value and adjusts the angle of the rotor. The accuracy of the servo motor is determined by the accuracy of the encoder.

[0003] A Chinese patent with publication number CN208723711U discloses an AC servo motor, a main body shell, a rear end cover fixedly installed on one side of the main body shell, a base is arranged at the lower end of the main body shell, two sets of slide grooves are opened on the upper outer surface of the base, a through hole is opened on the upper outer surface of the base near the middle position, a terminal box is fixedly installed on the upper end of the main body shell near one side, a pulley is arranged on the other side of the main body shell, a rubber ring is fixedly installed on the outer surface of one side of the pulley, a rotating shaft is arranged near the middle position on the other side of the main body shell, an inner end cover is fixedly installed on the inner wall of the main body shell, a heat sink is fixedly installed on the inner wall of the inner end cover, a rotor is arranged inside the main body shell, an output shaft is fixedly installed on one end of the rotor, a No. 1 fan is arranged at one end of the output shaft, a bearing is arranged at the other end of the output shaft, a front end cover is fixedly installed on one side of the main body shell, and a No. 2 fan is arranged inside the base near the middle position.

[0004] This patent provides an AC servo motor, in which the fan is located inside the main housing and is driven by the servo motor shaft. The heat dissipation effect is not efficient enough when in use. Utility Model Content

[0005] The purpose of the utility model is to provide an AC servo motor in view of the above problems existing in the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions: an AC servo motor comprises a motor housing, a front end cover is installed on the front side of the motor housing, a rear end cover is installed on the rear side of the motor housing, the motor housing is a hexagonal rectangular body, the upper ends of both sides of the motor housing are formed with a placement surface, and both sides of the motor housing are formed with a placement inclined surface, a junction box is fixedly installed on the top of the motor housing, and a first fan and a second fan are fixedly installed on both sides of the outer end of the motor housing, respectively, the first fan and the second fan are arranged in a horizontal arrangement, a first fan housing and a second fan housing are respectively installed on the outer sides of the first fan and the second fan, and a first fan control box and a second fan control box are respectively arranged on the upper ends of the first fan housing and the second fan housing, a fan lead extends from the front end of the junction box, the fan lead is attached to the placement surface and the placement inclined surface, and the fan lead passes through the second fan control box and the first fan control box in sequence.

[0007] In the above-mentioned AC servo motor, a wiring contact is installed at the front end of the junction box, and the motor wiring is connected to the wiring contact. The motor wiring fits the placement slope and the placement surface, and the rear end cover is provided with a wiring terminal, and the motor wiring is connected to the wiring terminal.

[0008] In the above-mentioned AC servo motor, heat dissipation inclined surfaces are formed below both sides of the motor housing, and a plurality of heat dissipation fins are installed on the heat dissipation inclined surfaces.

[0009] In the above-mentioned AC servo motor, a mounting cavity is formed at the front end of the motor housing, a mounting groove is formed on the front end cover, and fastening bolts are fixedly installed in the mounting groove and the mounting cavity.

[0010] Compared with the prior art, the AC servo motor provided by the utility model has the following beneficial effects: by means of a structural design in which the first fan and the second fan are placed outside the motor housing, and the fan leads in the junction box are connected to the first fan control box and the second fan control box to control the operation of the first fan and the second fan, the structure has high control efficiency and good fan heat dissipation effect, and because the first fan and the second fan are placed outside the motor housing, maintenance is facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the utility model from another angle;

[0013] Figure 3 It is a schematic diagram of the structure of the utility model from a top view angle.

[0014] In the figure: 1. Motor housing; 11. Placement surface; 12. Placement slope; 13. Heat dissipation slope; 14. Installation cavity; 2. Front cover; 21. Installation groove; 3. Rear cover; 31. Wiring terminal; 4. Junction box; 41. Fan lead; 42. Wiring contact; 43. Motor wiring; 5. First fan; 6. Second fan; 7. First fan housing; 71. First fan control box; 8. Second fan housing; 81. Second fan control box; 9. Heat sink; 10. Fastening bolts. DETAILED DESCRIPTION

[0015] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0016] like Figures 1 to 3 As shown, the present embodiment includes a motor housing 1, which is a hexagonal rectangular body as a whole. A placement slope 12 is formed on both sides of the motor housing 1, and a placement surface 11 is formed below the placement slope 12. The junction box 4 is fixedly installed on the top of the motor housing 1, and the first fan 5 and the second fan 6 are respectively fixedly installed on both sides of the outer end of the motor housing 1. The number of the first fan 5 and the second fan 6 is two, and the first fan 5 and the second fan 6 are arranged in a horizontal arrangement. The first fan housing 7 and the second fan housing 8 are respectively installed on the outer sides of the first fan 5 and the second fan 6, and the first fan control box 71 and the second fan control box 81 are respectively arranged on the upper ends of the first fan housing 7 and the second fan housing 8. A fan lead 41 extends from the front end of the junction box 4, and the fan lead 41 is attached to the placement surface 11 and the placement slope 12. The fan lead 4 extends into the second fan control box 81 from the wiring entrance of the second fan control box 81, extends out of the second control box 81 from the wiring exit of the second fan control box 81, and extends into the first fan control box 71 from the wiring entrance of the first fan control box 71.

[0017] like Figure 1 to Figure 2 As shown, a wiring contact 42 is fixedly installed at the front end of the junction box 4, and a wiring terminal 31 is arranged on the rear end cover 3. A motor lead 43 is installed between the wiring contact 42 and the wiring terminal 31. The motor lead 43 fits the placement inclined surface 12 and the placement surface 11. The motor lead 43 extends out of the junction box 4 through the wiring contact 42 and is connected to the inside of the motor through the wiring terminal 31, thereby controlling the motor.

[0018] To elaborate further, Figure 1 to Figure 2 As shown, the fan lead 41 between the first fan control box 71 and the second fan control box 81 is concave, and the fan lead 41 is attached to the placement surface 11 . This structure plays a role in protecting the fan lead 41 .

[0019] To elaborate further, Figure 1 to Figure 2As shown, a mounting cavity 14 is formed at the front end of the motor housing 1 , a mounting groove 21 is formed on the front cover 2 , and the fastening bolts 10 pass through the mounting groove 21 and extend into the mounting cavity 14 to securely connect the front cover 2 to the motor housing 1 .

[0020] To elaborate further, Figure 3 As shown, heat dissipation slopes 13 are formed below both sides of the motor housing 1, and a number of heat dissipation fins 9 are installed on the heat dissipation slopes 13, and the heat dissipation fins 9 further play a role in heat dissipation.

[0021] The working principle of the utility model is as follows: the motor lead 43 in the junction box 4 extends out of the junction box 4 through the wiring contact 42 and is connected to the inside of the motor through the wiring terminal 31. The motor control element inside the junction box 4 controls the operation of the motor. The fan lead 41 in the junction box 4 passes through the first fan control box 71 and the second fan control box 81. The fan control element inside the junction box 4 controls the operation of the first fan 5 and the second fan 6 through the fan lead 41 to achieve the purpose of heat dissipation and cooling.

[0022] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0023] Although various terms are used more frequently in this article, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. An AC servo motor, comprising a motor housing (1), a front end cover (2) being mounted on the front side of the motor housing (1), and a rear end cover (3) being mounted on the rear side of the motor housing (1), characterized in that: The motor housing (1) is a hexagonal rectangular body. The upper ends of both sides of the motor housing (1) are formed with placement surfaces (11). The two sides of the motor housing (1) are formed with placement inclined surfaces (12). A junction box (4) is fixedly mounted on the top of the motor housing (1). The two sides of the outer end of the motor housing (1) are respectively fixedly mounted with a first fan (5) and a second fan (6). The first fan (5) and the second fan (6) are arranged in a transverse arrangement. The outer sides of the first fan (5) and the second fan (6) are respectively mounted with a first fan housing (7) and a second fan housing (8). The upper ends of the first fan housing (7) and the second fan housing (8) are respectively provided with a first fan control box (71) and a second fan control box (81). A fan lead (41) extends from the front end of the junction box (4). The fan lead (41) is attached to the placement surface (11) and the placement inclined surface (12). The fan lead (41) passes through the second fan control box (81) and the first fan control box (71) in sequence.

2. An AC servo motor according to claim 1, characterized in that: A wiring contact (42) is installed at the front end of the junction box (4), and a motor wiring (43) is connected to the wiring contact (42). The motor wiring (43) fits the placement inclined surface (12) and the placement surface (11). A wiring terminal (31) is provided on the rear end cover (3), and the motor wiring (43) is connected to the wiring terminal (31).

3. The AC servo motor according to claim 1, characterized in that: Heat dissipation inclined surfaces (13) are formed below both sides of the motor housing (1), and a plurality of heat dissipation fins (9) are mounted on the heat dissipation inclined surfaces (13).

4. The AC servo motor according to claim 1, characterized in that: The front end of the motor housing (1) is formed with a mounting cavity (14), the front end cover (2) is provided with a mounting groove (21), and fastening bolts (10) are fixedly mounted in the mounting groove (21) and the mounting cavity (14).

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