Servo motor air cooling structure

Abstract

The utility model provides a servo motor air cooling structure, which comprises a shell assembly, an end cover assembly and a heat dissipation mechanism, and is characterized in that the end cover assembly and the heat dissipation mechanism are respectively arranged at two sides of the shell assembly, and the inner wall of the shell assembly is provided with a plurality of groove bodies; the end cover assembly comprises a cover body and an extension pipe, the cover body is connected with the extension pipe, a plurality of first through grooves are formed in the outer wall of the extension pipe, and first dustproof nets are arranged in the first through grooves. According to the air cooling structure of the servo motor provided by the embodiment of the utility model, air flow can be formed in the shell assembly, and the heat dissipation effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to servo motor technical field especially relates to a servo motor air cooling structure. BACKGROUND

[0002] With the improvement of servo motor performance requirement in industrial automation, robot and high-end equipment field, the power density of motor increases significantly. The compact design leads to sharp rise of heat generation per unit volume, and the traditional natural convection cooling method cannot meet the temperature control requirement.

[0003] At present, the servo motor air cooling structure generally utilizes the heat dissipation fan to extract the heat in it, and due to the adhesion of the stator coil structure and the shell structure of the servo motor, the air circulation in the servo motor is relatively slow, and the heat dissipation effect is poor. SUMMARY

[0004] The utility model aims at solving one of the above technical problems at least to some extent.

[0005] Therefore, one purpose of the utility model is to provide a servo motor air cooling structure, which can form air flow in the inside of the shell assembly and improve the heat dissipation effect.

[0006] To achieve the above purpose, the utility model provides a servo motor air cooling structure in the first aspect, which comprises: a shell assembly, an end cover assembly and a heat dissipation mechanism, wherein the end cover assembly and the heat dissipation mechanism are respectively arranged on both sides of the shell assembly, and the inner wall of the shell assembly is provided with a plurality of groove bodies; the end cover assembly comprises a cover body and an extension pipe, wherein the cover body is connected with the extension pipe, a plurality of first through grooves are formed in the outer wall of the extension pipe, and a first dustproof net is arranged in the first through groove.

[0007] In addition, the servo motor air cooling structure according to the utility model can have the following additional technical features:

[0008] Specifically, the shell assembly comprises a stator coil shell, a brake shell and an encoder shell, wherein the stator coil shell, the brake shell and the encoder shell are connected in sequence; the extension pipe is connected with the stator coil shell; and the encoder shell is connected with the heat dissipation mechanism.

[0009] Specifically, the heat dissipation mechanism comprises a rear cover, a heat dissipation fan and a second dustproof net, wherein the rear cover is connected with the encoder shell; the heat dissipation fan is installed in the inside of the rear cover, a plurality of second through grooves are formed in the outer wall of the rear cover, and the second dustproof net is arranged on the inside side wall of the rear cover.

[0010] Specifically, a temperature sensor is installed on the inside side wall of the encoder shell.

[0011] Specifically, a plurality of fins are arranged on the outer wall of the stator coil shell.

[0012] Specifically, a plurality of fixing members are arranged between the extension pipe and the stator coil shell and between the encoder shell and the rear cover, respectively.

[0013] Compared with the prior art, the servo motor air cooling structure has the following beneficial effects: the servo motor air cooling structure of the utility model, through setting first through slot at end cover assembly, under the action of heat dissipation mechanism, external air flows through the inside of shell assembly through first through slot and groove body, thereby improving the heat dissipation effect.

[0014] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0016] Figure 1 It is a cross-sectional view of the servo motor air cooling structure according to an embodiment of the utility model.

[0017] Reference signs: 1, shell assembly;11, stator coil shell;12, brake shell;13, encoder shell;2, end cover assembly;21, cover body;22, extension pipe;221, first through slot;222, first dust screen;3, groove body;4, heat dissipation mechanism;41, rear cover;42, second through slot;43, heat dissipation fan;44, second dust screen;51, temperature sensor;61, fin;71, fixing member. DETAILED DESCRIPTION

[0018] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0019] The servo motor air cooling structure of the embodiment of the utility model is described below with reference to the drawings.

[0020] As Figure 1 shown, the servo motor air cooling structure of the embodiment of the utility modelapplicationinclude: shell assembly 1, end cover assembly 2 and heat dissipation mechanism 4.

[0021] The end cap assembly 2 and the heat dissipation mechanism 4 are respectively located on both sides of the outer shell assembly 1, and the inner wall of the outer shell assembly 1 is provided with multiple grooves 3.

[0022] The end cap assembly 2 includes a cover body 21 and an extension tube 22. The cover body 21 is connected to the extension tube 22. The outer wall of the extension tube 22 is provided with a plurality of first through grooves 221, and a first dustproof net 222 is provided inside the first through grooves 221.

[0023] Specifically, under the action of the heat dissipation mechanism 4, a negative pressure is generated inside the outer casing assembly 1. External air enters the interior of the end cover assembly 2 through the first through groove 221, and then flows through the outside of the stator coil via multiple grooves 3, thereby carrying away some heat and finally discharging it into the external environment, thereby improving the heat dissipation effect inside the servo motor.

[0024] It is understandable that by setting the first through slot 221 on the side wall of the end cover assembly 2, the first through slot 221 will not be blocked by the mechanical equipment when the servo motor is installed perpendicular to the mechanical equipment, thereby ensuring that external air can smoothly enter the interior of the housing assembly 1.

[0025] In the above embodiments, the first dustproof net 222 can filter the air entering the housing assembly 1, thereby ensuring the operating environment of the internal components of the servo motor.

[0026] In one embodiment of this utility model, such as Figure 1 As shown, housing assembly 1 includes stator coil housing 11, brake housing 12 and encoder housing 13.

[0027] The stator coil housing 11, brake housing 12 and encoder housing 13 are connected in sequence, the extension tube 22 is connected to the stator coil housing 11, and the encoder housing 13 is connected to the heat dissipation mechanism 4.

[0028] It should be noted that the stator coil housing 11 described in this embodiment has a stator core, coil and rotating spindle installed inside; the brake housing 12 has a power-off brake electromagnet installed inside, which does not contact the inner wall of the brake housing 12; the encoder housing 13 has a code disk installed inside, which does not contact the inner wall of the encoder housing 13.

[0029] In one embodiment of this utility model, such as Figure 1 As shown, the heat dissipation mechanism 4 includes a rear cover 41, a heat dissipation fan 43, and a second dust filter 44.

[0030] The rear cover 41 is connected to the encoder housing 13, the cooling fan 43 is installed inside the rear cover 41, a plurality of second through slots 42 are provided on the outer wall of the rear cover 41, and the second dustproof net 44 is provided on the inner side wall of the rear cover 41.

[0031] In an embodiment of the utility model, as shown in Figure 1 The inside side wall of the encoder shell 13 is provided with a temperature sensor 51.

[0032] In the above embodiment, the encoder shell 13 is provided with an encoder wire terminal, the stator coil shell 11 is provided with a main wire terminal, both are connected with an external servo drive controller respectively, the temperature sensor 51 and the cooling fan 43 are connected with the external servo drive controller respectively.

[0033] It can be understood that the temperature sensor 51 can measure the temperature inside the shell assembly 1, when the temperature exceeds a threshold value, the temperature sensor 51 transmits a signal to the external servo drive controller, the external servo drive controller feeds back information to the cooling fan 43, the cooling fan 43 can increase the rotation speed and improve the efficiency of heat dissipation.

[0034] When the temperature inside the shell assembly 1 exceeds a dangerous value, the external servo drive controller can also send a signal to the power-off brake electromagnet, so as to realize the overheat protection of the servo motor.

[0035] In an embodiment of the utility model, as shown in Figure 1 The outer wall of the stator coil shell 11 is provided with a plurality of fins 61.

[0036] It can be understood that the plurality of fins 61 can further improve the heat dissipation effect of the servo motor through heat transfer.

[0037] In an embodiment of the utility model, as shown in Figure 1 The extension pipe 22 and the stator coil shell 11 and the encoder shell 13 and the rear cover 41 are respectively provided with a plurality of fixing pieces 71.

[0038] In the above embodiment, the plurality of fixing pieces 71 can be bolts.

[0039] It can be understood that the plurality of fixing pieces 71 are arranged at the above positions, so that the extension pipe 22 and the stator coil shell 11 and the encoder shell 13 and the rear cover 41 can be disassembled conveniently, thereby the first dust screen 222 and the second dust screen 44 can be cleaned conveniently, and the internal elements of the servo motor can be overhauled and maintained.

[0040] In summary, the servo motor air cooling structure of the utility model, through the first through slot arranged at the end cover assembly, under the action of the heat dissipation mechanism, the external air flows through the inside of the shell assembly through the first through slot and the groove body, so as to improve the heat dissipation effect.

[0041] In the description of the present application, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0042] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0043] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and deform the above embodiments within the scope of the present application.

Claims

1. A servo motor air-cooling structure, characterized in that, include: The housing assembly, end cap assembly, and heat dissipation mechanism, among which, The end cap assembly and the heat dissipation mechanism are respectively disposed on both sides of the outer shell assembly, and the inner wall of the outer shell assembly is provided with multiple grooves; The end cap assembly includes a cap body and an extension tube, wherein... The cover is connected to the extension tube, and the outer wall of the extension tube is provided with a plurality of first through grooves, and a first dustproof net is provided inside the first through groove.

2. The servo motor air-cooled structure according to claim 1, characterized in that, The housing assembly includes a stator coil housing, a brake housing, and an encoder housing, wherein, The stator coil housing, the brake housing, and the encoder housing are connected in sequence; The extension tube is connected to the stator coil housing; The encoder housing is connected to the heat dissipation mechanism.

3. The servo motor air-cooled structure according to claim 2, characterized in that, The heat dissipation mechanism includes a rear cover, a cooling fan, and a second dust filter. The rear cover is connected to the encoder housing; The cooling fan is installed inside the rear cover, and multiple second through slots are provided on the outer wall of the rear cover. The second dustproof mesh is disposed on the inner side wall of the rear cover.

4. The servo motor air-cooled structure according to claim 2, characterized in that, A temperature sensor is installed on the inner side wall of the encoder housing.

5. The servo motor air-cooled structure according to claim 2, characterized in that, The outer wall of the stator coil housing is provided with multiple fins.

6. The servo motor air-cooled structure according to claim 3, characterized in that, Multiple fasteners are respectively provided between the extension tube and the stator coil housing, and between the encoder housing and the rear cover.

Images