Compact servo motor brake mounting structure

Abstract

The utility model discloses a compact servo motor brake mounting structure which comprises a motor shaft and a rear end cover, a brake rotor is sleeved on the motor shaft, the brake rotor is fastened outside the motor shaft through a first screw, a brake stator is arranged inside the rear end cover through an inner gasket, a bearing is sleeved outside one end of the motor shaft, and the bearing is sleeved outside the other end of the motor shaft. The bearing outer ring and the brake stator are assembled in a matched mode, the other end of the bearing outer ring and the rear end cover are assembled in a matched mode, the other end of the bearing inner ring is pressed and fixed through a shaft sleeve, the brake stator, the inner gasket and the rear end cover are further connected and fixed through a locking pressing piece, and reinforcing ribs are arranged in the rear end cover. And the brake stator, the inner gasket and the rear end cover are connected and fixed through the locking pressing sheet, so that the stability of installation and fixation among the brake stator, the inner gasket and the rear end cover is high, and disassembly and assembly are convenient and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of servo motors, in particular to a compact servo motor brake installation structure. Background Art

[0002] A servo motor is an engine that controls the movement of mechanical elements in a servo system. The servo motor can very accurately reproduce the position, speed and torque commands required by the host computer under controlled conditions to drive the load object. The brake is a device used to control the operation of the motor. It can control the speed, power and speed of the motor. It can provide reliability and safety for the motor and its control system. The motor brake is a disc brake with DC coil excitation. The electromagnetic force generated by the DC coil after power is applied acts on the spring sheet to release the brake; it is used to fix the motor shaft when the motor stops running.

[0003] In the prior art, the application number is 202321158096.5, which is a compact servo motor brake installation structure. A brake stator is arranged on the outside of the brake rotor, one end of the outer ring of the bearing is assembled with the brake stator, and the other end of the outer ring of the bearing is assembled with the rear end cover. The installation method is simple and the structure is more compact, which can shorten the overall length of the motor structure. However, the stability of the installation and fixation between the brake stator, the inner gasket and the rear end cover is low, which is inconvenient to disassemble and use, and it is not convenient to quickly dissipate the heat inside the brake stator and the rear end cover. Utility Model Content

[0004] The purpose of the utility model is to provide a compact servo motor brake mounting structure to solve the problems in the prior art of low mounting stability between the brake stator, inner gasket and rear end cover, inconvenient disassembly and assembly, and inconvenient to quickly dissipate the heat inside the brake stator and the rear end cover.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a compact servo motor brake mounting structure, comprising a motor shaft and a rear end cover, the motor shaft being sleeved with a brake rotor, the brake rotor being fastened to the outside of the motor shaft by a first screw, a brake stator being provided inside the rear end cover through an inner gasket, a bearing being sleeved on the outside of one end of the motor shaft, the outer ring of the bearing being assembled with the brake stator, the other end of the outer ring of the bearing being assembled with the rear end cover, the other end of the inner ring of the bearing being pressed and fixed with a shaft sleeve, the brake stator, the inner gasket and the rear end cover being also connected and fixed by a locking pressure plate, and a reinforcing rib being provided inside the rear end cover.

[0006] Furthermore, the locking pressure plate is a transverse J-shaped pressure plate, and one end of the locking pressure plate is fixed to the outer side of one end of the brake stator by a second screw.

[0007] Furthermore, the locking pressing plate is configured as an annular pressing plate, and the outer side of the locking pressing plate is installed and fixed by a plurality of second screws.

[0008] Furthermore, the reinforcing ribs include transverse alloy strips arranged inside the rear end cover, and reinforcing fins are arranged on the outer side of the transverse alloy strips.

[0009] Furthermore, a first heat dissipation channel is provided inside the transverse alloy strip, a heat dissipation groove is provided outside the brake stator, and the heat dissipation groove and the first heat dissipation channel are connected through a second heat dissipation channel.

[0010] Furthermore, a third heat dissipation channel is provided inside the rear end cover, and one end of the third heat dissipation channel is connected to the heat dissipation hole in the transverse alloy strip.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model has a brake rotor sleeved on the motor shaft, which is fastened to the outside of the motor shaft by a first screw, a brake stator is arranged inside the rear end cover through an inner gasket, a bearing is sleeved on the outer side of one end of the motor shaft, the outer ring of the bearing is matched with the brake stator, and the other end of the outer ring of the bearing is matched with the rear end cover, so that the motor brake is easy to install and the structure is more compact, and the brake stator, the inner gasket and the rear end cover are connected and fixed by a locking pressure plate, so that the installation and fixation between the brake stator, the inner gasket and the rear end cover are more stable, and disassembly and assembly are convenient and quick.

[0013] 2. The utility model has reinforcing ribs inside the rear end cover, which include transverse alloy strips arranged inside the rear end cover, and reinforcing fins are arranged on the outside of the transverse alloy strips, so that the internal structure of the rear end cover has high strength and strong pressure and deformation resistance, which is beneficial to improving the structural stability of the rear end cover after the brake is installed.

[0014] 3. The utility model is provided with a first heat dissipation channel inside the transverse alloy strip, a heat dissipation groove is provided on the outside of the brake stator, the heat dissipation groove and the first heat dissipation channel are connected through the second heat dissipation channel, a third heat dissipation channel is opened inside the rear end cover, and one end of the third heat dissipation channel is connected with the heat dissipation hole in the transverse alloy strip, so that by setting the third heat dissipation channel, the first heat dissipation channel and the second heat dissipation channel, the heat inside the brake stator and the rear end cover can be quickly dissipated, and the heat dissipation effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1This is a main cross-sectional view of the brake installation structure of the utility model;

[0017] Figure 2 It is the right view of the overall structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the transverse alloy strip structure of the utility model.

[0019] In the figure: 1. motor shaft; 2. brake rotor; 3. brake stator; 4. bearing; 5. rear end cover; 6. bushing; 7. inner gasket; 8. transverse alloy strip; 9. reinforcing fin; 10. third heat dissipation channel; 11. second heat dissipation channel; 12. heat dissipation groove; 13. locking pressure plate; 14. second screw; 15. heat dissipation hole; 16. first heat dissipation channel; 17. first screw. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 , Figure 2 , Figure 3 In the embodiment of the utility model, a compact servo motor brake installation structure includes a motor shaft 1 and a rear end cover 5. The motor shaft 1 is sleeved with a brake rotor 2, and the brake rotor 2 is fastened to the outside of the motor shaft 1 by a first screw 17. The inside of the rear end cover 5 is provided with a brake stator 3 through an inner gasket 7. A bearing 4 is sleeved on the outer side of one end of the motor shaft 1. The outer ring of the bearing 4 is assembled with the brake stator 3, and the other end of the outer ring of the bearing 4 is assembled with the rear end cover 5, so that the motor brake is simple to install and the structure is more compact. The other end of the inner ring of the bearing 4 is used The shaft sleeve 6 is pressed and fixed, and the brake stator 3, the inner gasket 7 and the rear end cover 5 are also connected and fixed by a locking pressure plate 13, so that the installation and fixation between the brake stator 3, the inner gasket 7 and the rear end cover 5 are relatively stable, and the disassembly and assembly are convenient and quick. The locking pressure plate 13 is a transverse J-shaped pressure plate, and one end of the locking pressure plate 13 is fixed to the outer side of one end of the brake stator 3 by a second screw 14. The locking pressure plate 13 is arranged as an annular pressure plate, and the outer side of the locking pressure plate 13 is installed and fixed by multiple second screws 14, so that the locking pressure plate 13 is installed and fixed with high stability.

[0022] like Figure 1 and Figure 2As shown, in order to improve the structural strength inside the rear end cover 5, reinforcing ribs are provided inside the rear end cover 5, and the reinforcing ribs include a transverse alloy strip 8 arranged inside the rear end cover 5, and reinforcing fins 9 are provided on the outer side of the transverse alloy strip 8, so that the internal structure of the rear end cover 5 has high strength and strong resistance to compression and deformation, which is beneficial to improving the structural stability of the rear end cover 5 where the brake is installed.

[0023] like Figure 1 As shown, in order to facilitate the rapid dissipation of heat inside the brake stator 3 and the rear end cover 5, a first heat dissipation channel 16 is provided inside the transverse alloy strip 8, a heat dissipation groove 12 is provided on the outside of the brake stator 3, and the heat dissipation groove 12 and the first heat dissipation channel 16 are connected through the second heat dissipation channel 11, and a third heat dissipation channel 10 is opened inside the rear end cover 5, and one end of the third heat dissipation channel 10 is connected to the heat dissipation hole 15 in the transverse alloy strip 8, so that by setting the third heat dissipation channel 10, the first heat dissipation channel 16 and the second heat dissipation channel 11, the heat inside the brake stator 3 and the rear end cover 5 can be quickly dissipated, and the heat dissipation effect is better.

[0024] The working principle and use process of the utility model are as follows: when in use, through the motor shaft 1 and the rear end cover 5, the motor shaft 1 is sleeved with a brake rotor 2, and the brake rotor 2 is fastened to the outside of the motor shaft 1 by a first screw 17, and the interior of the rear end cover 5 is provided with a brake stator 3 through an inner gasket 7, so that the installation method of the motor brake is simple and the structure is more compact, and the brake stator 3, the inner gasket 7 and the rear end cover 5 are also connected and fixed by a locking press plate 13, so that the installation and fixation between the brake stator 3, the inner gasket 7 and the rear end cover 5 are more stable, and disassembly and assembly are convenient and quick.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A compact servo motor brake mounting structure, comprising a motor shaft (1) and a rear end cover (5), characterized in that: The motor shaft (1) is sleeved with a brake rotor (2), and the brake rotor (2) is fastened to the outside of the motor shaft (1) by a first screw (17). The rear end cover (5) is provided with a brake stator (3) through an inner gasket (7). A bearing (4) is sleeved on the outer side of one end of the motor shaft (1), and the outer ring of the bearing (4) is assembled with the brake stator (3). The brake stator (3), the inner gasket (7) and the rear end cover (5) are also connected and fixed by a locking plate (13), and a reinforcing rib is provided inside the rear end cover (5).

2. A compact servo motor brake mounting structure according to claim 1, characterized in that: The locking pressing plate (13) is a transverse J-shaped pressing plate, and one end of the locking pressing plate (13) is fixed to the outside of one end of the brake stator (3) by a second screw (14).

3. A compact servo motor brake mounting structure according to claim 2, characterized in that: The locking pressing piece (13) is configured as an annular pressing piece, and the outer side of the locking pressing piece (13) is installed and fixed by means of a plurality of second screws (14).

4. The compact servo motor brake mounting structure according to claim 1, characterized in that: The reinforcing rib comprises a transverse alloy strip (8) arranged inside the rear end cover (5), and reinforcing fins (9) are arranged outside the transverse alloy strip (8).

5. A compact servo motor brake mounting structure according to claim 4, characterized in that: A first heat dissipation channel (16) is provided inside the transverse alloy strip (8), a heat dissipation groove (12) is provided outside the brake stator (3), and the heat dissipation groove (12) and the first heat dissipation channel (16) are connected via a second heat dissipation channel (11).

6. A compact servo motor brake mounting structure according to claim 4, characterized in that: A third heat dissipation channel (10) is provided inside the rear end cover (5), and one end of the third heat dissipation channel (10) is connected to a heat dissipation hole (15) in the transverse alloy strip (8).

Images