Aluminum casing of motor

Abstract

The utility model provides a motor aluminum casing which comprises an aluminum casing body, two ends of the aluminum casing body are respectively provided with an annular seat, an annular cavity is formed between the two annular seats, semicircular cover plates are spliced to form a cylindrical structure, and the two semicircular cover plates are respectively arranged on two sides of the aluminum casing body. Two ends of the two semicircular cover plates are respectively clamped on the surface of the annular seat, the two semicircular cover plates are detachably connected, so that the annular cavity is sealed by the two semicircular cover plates, and blowing devices are respectively arranged on the two semicircular cover plates. When the motor is used, one air blowing device exhausts air outwards, and the other air blowing device blows air inwards, so that when the air blowing devices rotate, external air can be driven to continuously enter the annular cavity, heat emitted by the motor is blown to the outside of the motor from the annular cavity, and the heat of the motor is quickly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor shell technical field, concretely is a kind of motor aluminum casing. BACKGROUND

[0002] The reason of servo motor heating is multiple, main reason includes overload operation, working time is too long, environmental temperature is not suitable, current or voltage is unstable, cooling is insufficient and mechanical problem. In any case, only servo motor works can heat, this is the problem that all motors cannot avoid.

[0003] Servo motor shell is usually made of aluminum alloy, because aluminum alloy has higher specific strength, this makes servo motor can reduce overall weight while maintaining sufficient strength, and the thermal conductivity of aluminum alloy is higher, can effectively dissipate heat, help motor to keep stable operation in high temperature environment. The existing aluminum alloy casing is usually provided with heat dissipation fins outside, which helps to contact and heat with air, but the heat exchange rate of this method is very low, most of the heat emitted by the motor is still concentrated in the body. Therefore, we propose a kind of motor aluminum casing. SUMMARY

[0004] The utility model provides a kind of motor aluminum casing, with the advantage that motor shell can be quickly cooled, solve the problem proposed in the above background technology.

[0005] The technical scheme of the utility model is as follows: a kind of motor aluminum casing, including aluminum casing, the two ends of aluminum casing are respectively provided with annular seat, annular cavity is formed between two annular seats, semicircular cover plate is spliced and forms cylindrical structure, two semicircular cover plates are located at the two sides of aluminum casing respectively, two semicircular cover plates are respectively clamped on the surface of annular seat, two semicircular cover plates are detachably connected, so that two semicircular cover plates seal annular cavity, blowing device is respectively arranged on two semicircular cover plates.

[0006] Preferably, the side edges of the two annular seats close to each other are each provided with an annular placing groove, and the two ends of the semicircular cover plate are respectively clamped in the annular placing groove.

[0007] Preferably, the inner surfaces of the two ends of the semicircular cover plate are respectively provided with clamping blocks, and the surface of the annular placing groove is provided with a clamping groove corresponding to the clamping block, when the semicircular cover plate is clamped in the annular placing groove, the clamping block is placed in the clamping groove.

[0008] Preferably, the abutting portions of the two semicircular cover plates are fastened by bolts or connected by a lock.

[0009] Preferably, the blowing device comprises mounting channels respectively mounted on the side surfaces of the semicircular cover plates, the mounting channels are in communication with the annular cavity, and fans are respectively arranged in the mounting channels.

[0010] Preferably, the aluminum shell is provided with a front end cover at one end and a rear end cover at the other end, the rear end cover and the front end cover are respectively detachably connected with the annular seat, and coaxial bearing holes are respectively arranged at the centers of the rear end cover and the front end cover.

[0011] Preferably, the rear end cover is provided with a rear shell on the side away from the front end cover, and the edge of the rear shell is detachably connected with the rear end cover.

[0012] Preferably, the aluminum shell is provided with a motor connecting box at the end away from the front end cover, and the two semicircular cover plates are provided with notches corresponding to the motor connecting box at one end.

[0013] Preferably, the rear shell is provided with an encoder connecting box on the side surface.

[0014] Compared with the prior art, when the blowing device is used, one blowing device blows air outward, and the other blowing device blows air inward, so that when the blowing device rotates, the air outside can be brought into the annular cavity, the heat generated by the motor is blown from the annular cavity to the outside of the motor, and the heat of the motor is quickly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is a complete structural schematic diagram of the present application.

[0017] Figure 2 It is an explosive structural schematic diagram of the present application Figure 1 .

[0018] Figure 3 It is an explosive structural schematic diagram of the present application Figure 2 .

[0019] In the figure: 1, semicircular cover plate; 2, motor connecting box; 3, encoder connecting box; 4, rear shell; 5, rear end cover; 6, annular seat; 7, mounting channel; 8, fan; 9, bearing hole; 10, front end cover; 11, clamping block; 12, notch; 13, annular cavity; 14, clamping groove; 15, annular placing groove; 16, aluminum shell. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model will be described below in connection with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Referring to Figures 1 to 3 , the utility model provides a technical scheme: a motor aluminum shell, including aluminum shell body 16, the both ends of aluminum shell body 16 are equipped with annular seat 6 respectively. As shown in Figure 2 and Figure 3 , one end of aluminum shell body 16 is detachably provided with front end cover 10, and the other end of aluminum shell body 16 is detachably provided with rear end cover 5, specifically, rear end cover 5 and front end cover 10 are fastened together with annular seat 6 through bolts, and bearing holes 9 are coaxially arranged at the centers of rear end cover 5 and front end cover 10 respectively;

[0022] It should be noted that the end of aluminum shell body 16 is installed in the middle of front end cover 10, and the edges of front end cover 10 are located outside aluminum shell body 16. In actual use, front end cover 10 also serves as a mounting flange. The stator is installed in aluminum shell body 16, then the rotor of the motor is placed in the stator, and the shafts at both ends of the rotor are installed in bearing holes 9 through bearings;

[0023] Because the shell proposed in the present application is for a servo motor, rear shell 4 is arranged on the side of rear end cover 5 away from front end cover 10, and the edges of rear shell 4 are detachably connected with rear end cover 5. Specifically, a flange edge is arranged on the edge of rear shell 4, and rear end cover 5 and the flange edge are fastened through bolts. Because an encoder is installed at the rear of the servo motor, the encoder is arranged in rear shell 4, and an encoder connection box 3 is arranged on the side surface of rear shell 4, so that the encoder can be conveniently wired.

[0024] Motor connection box 2 is arranged at the end of aluminum shell body 16 away from front end cover 10, and motor connection box 2 is used for wiring the stator. As shown in Figure 1 , encoder connection box 3 and motor connection box 2 are designed together to facilitate wiring.

[0025] Further, as shown in Figure 2 , the height of annular seat 6 is higher than the surface of aluminum shell body 16, so that a step is arranged between the surface of aluminum shell body 16 and annular seat 6, thereby forming annular cavity 13 between the two annular seats 6;

[0026] Half-round cover plates 1 are arranged on both sides of aluminum shell body 16, and the two half-round cover plates 1 form a cylindrical structure after being spliced, and the cylindrical structure is matched with aluminum shell body 16 in size, as shown in Figure 1 and Figure 2As shown, two semicircular cover plates 1 are respectively located on both sides of the aluminum shell 16;

[0027] When installed, the two ends of the two semicircular cover plates 1 are respectively clamped on the surface of the annular seat 6, as shown in Figure 2 and Figure 3 As shown, specifically, the two annular seats 6 are respectively provided with annular placement grooves 15 on the side edges close to each other, and the two ends of the semicircular cover plates 1 are respectively clamped in the annular placement grooves 15, and one end of the two semicircular cover plates 1 is provided with a notch 12 corresponding to the motor connecting box 2, when the two semicircular cover plates 1 are spliced in the annular placement grooves 15, the motor connecting box 2 is clamped in the notch 12;

[0028] Then, the two semicircular cover plates 1 are detachably connected, specifically, the abutting portions of the two semicircular cover plates 1 are fastened by bolts or connected by a lock, so that the two semicircular cover plates 1 seal the annular cavity 13, at this time the annular cavity 13 becomes a sealed cavity;

[0029] A blowing device is respectively arranged on the two semicircular cover plates 1, the blowing device comprises mounting channels 7 respectively arranged on the side surfaces of the semicircular cover plates 1, the mounting channels 7 are in communication with the annular cavity 13, and fans 8 are respectively arranged in the mounting channels 7, in the actual use process, one fan 8 blows air outward, and the other fan blows air inward, so that when the fan 8 rotates, it can drive the external air to continuously enter the annular cavity 13, and the heat generated by the motor is blown from the annular cavity 13 to the outside of the motor, so that the heat of the motor is effectively reduced;

[0030] Since the surface of the annular cavity 13 is an arc structure, the two mounting channels 7 are preferably symmetrical about the aluminum shell 16, so that one fan can make the external air perpendicular to the surface of the annular cavity 13, and the airflow will flow along the surface of the annular cavity 13, and then be quickly discharged by the other fan.

[0031] Further, in order to make the semicircular cover plates 1 more stable and firm after being connected to the aluminum shell 16, a clamping block 11 is respectively arranged at the two ends of the inner surface of the semicircular cover plate 1, and a clamping groove 14 corresponding to the clamping block 11 is arranged on the surface of the annular placement groove 15, when the semicircular cover plate 1 is clamped in the annular placement groove 15, the clamping block 11 is arranged in the clamping groove 14, so that the semicircular cover plate 1 is not loose on both sides of the aluminum shell 16.

[0032] Based on the above embodiment, it needs to be further explained that the lock is a zipper, and the zipper has a tensioning function when closed, so that the two semicircular cover plates 1 can be firmly connected together.

[0033] Based on the above embodiment, it needs to be further explained that in addition to the aluminum shell 16 being an aluminum part, the semicircular cover plate 1, the motor connecting box 2, the encoder connecting box 3, the rear shell 4, the rear end cover 5, the annular seat 6, the mounting channel 7, the front end cover 10 and the like are all aluminum parts.

[0034] The above merely provides the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electric machine aluminum housing comprising an aluminum housing (16), characterized in that, Two annular seats (6) are arranged at two ends of the aluminum shell (16) respectively, and an annular cavity (13) is formed between the two annular seats (6). Two semicircular cover plates (1) are further included, the semicircular cover plates (1) are spliced to form a cylindrical structure, and the two semicircular cover plates (1) are arranged at two sides of the aluminum shell (16) respectively. Two ends of the two semicircular cover plates (1) are clamped on surfaces of the annular seats (6) respectively, the two semicircular cover plates (1) are detachably connected, so that the two semicircular cover plates (1) seal the annular cavity (13), and blowing devices are arranged on the two semicircular cover plates (1) respectively.

2. The electric machine aluminum housing of claim 1, wherein, Annular placing grooves (15) are arranged on side edges of the two annular seats (6) which are close to each other respectively, and two ends of the semicircular cover plates (1) are clamped in the annular placing grooves (15) respectively.

3. The electric machine aluminum housing of claim 2, wherein, Clamping blocks (11) are arranged at two ends of an inner surface of the semicircular cover plate (1), and clamping grooves (14) corresponding to the clamping blocks (11) are arranged on a surface of the annular placing groove (15), when the semicircular cover plate (1) is clamped in the annular placing groove (15), the clamping blocks (11) are arranged in the clamping grooves (14).

4. The electric machine aluminum housing of claim 3, wherein, The two semicircular cover plates (1) are connected through bolt fastening or through a lock buckle.

5. The electric machine aluminum housing of claim 4, wherein, The blowing device comprises mounting channels (7) arranged on side surfaces of the semicircular cover plates (1) respectively, the mounting channels (7) are communicated with the annular cavity (13), and fans (8) are arranged in the mounting channels (7) respectively.

6. The electric machine aluminum housing of any one of claims 1-5, wherein, A front end cover (10) is arranged at one end of the aluminum shell (16), and a rear end cover (5) is arranged at the other end of the aluminum shell (16), the rear end cover (5) and the front end cover (10) are detachably connected with the annular seats (6) respectively, and bearing holes (9) are coaxially arranged at centers of the rear end cover (5) and the front end cover (10) respectively.

7. The electric machine aluminum housing of claim 6, wherein, A rear shell (4) is arranged on a side of the rear end cover (5) away from the front end cover (10), and an edge of the rear shell (4) is detachably connected with the rear end cover (5).

8. The electric machine aluminum housing of claim 7, wherein, A motor connecting box (2) is arranged at one end of the aluminum shell (16) away from the front end cover (10), and a notch (12) corresponding to the motor connecting box (2) is arranged at one end of the two semicircular cover plates (1).

9. The motor aluminum housing of claim 8, wherein, An encoder connecting box (3) is arranged on a side surface of the rear shell (4).

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