Externally-hung servo motor brake device

Abstract

The utility model discloses an externally-hung servo motor brake device which comprises a servo motor body, an output shaft is arranged in the middle of one end of the servo motor body, an installation base is fixedly arranged on the surface of the output shaft, a brake pad is arranged on the inner side of the installation base in a clamped mode, and a plurality of fastening bolts are arranged on the side, away from the installation base, of the brake pad in a threaded mode. According to the external hanging type servo motor brake device, the multiple fastening bolts are loosened to be separated from the multiple threaded holes, the brake pad is not fixed any more, then the brake pad is pushed towards one side, the annular clamping base is separated from the annular clamping groove, and the brake pad is clamped in the annular clamping groove. And the brake pad is pulled downwards or upwards through large force, so that the two corresponding limiting elastic pieces are separated from the two limiting grooves, the brake pad is not limited any more, and then the brake pad is convenient to disassemble and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of servo motor brakes, in particular to an external servo motor brake device. Background Art

[0002] When used in high-precision fields, servo motors need to have rapid braking capabilities to enable the equipment driven by the servo motor to stop quickly and accurately. In the prior art, the friction principle of brake pads and brake shoes is often used to achieve the purpose of rapid braking of servo motors. However, the existing servo motor brake device is not convenient for rapid disassembly and replacement of brake pads and brake shoes, resulting in low disassembly and assembly efficiency.

[0003] In order to solve the above problems, an external servo motor brake device is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide an external servo motor brake device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an external servo motor brake device, comprising a servo motor body, an output shaft is provided in the middle of one end of the servo motor body, a mounting seat is fixedly provided on the surface of the output shaft, a brake pad is clamped on the inner side of the mounting seat, a side of the brake pad away from the mounting seat is threadedly provided with a plurality of fastening bolts, a side of the mounting seat close to the brake pad is provided with a plurality of threaded holes, and a plurality of fastening bolts are threadedly connected with the plurality of threaded holes respectively, a fixing ring is provided on the outer side of one end of the servo motor body, a shell is fixedly provided in the middle of the fixing ring, a double-headed cylinder is fixedly installed in the middle of the top end of the inner wall of the shell and the middle of the bottom end of the inner wall of the shell, two movable ends of the two double-headed cylinders are fixedly connected with moving blocks, one end of the four moving blocks is fixedly provided with a placement seat, and the inside of the four placement seats are clamped with brake pads.

[0006] By loosening several fastening bolts to separate them from several threaded holes, the brake pad is no longer fixed, and then pushing the brake pad to one side to separate the annular holder from the annular slot, thereby facilitating disassembly and replacement of the brake pad. By using a greater force to pull the brake pad downward or upward, the corresponding two limiting springs are separated from the two limiting slots, and the brake pad is no longer limited, thereby facilitating disassembly and replacement of the brake pad.

[0007] Preferably, both sides of the inner walls of the four seating seats are provided with seating grooves, and limiting spring plates are fixedly arranged inside the eight seating grooves. Both sides of the four gate pieces are provided with limiting grooves, and the eight limiting spring plates are respectively engaged with the eight limiting grooves. The four gate pieces can be easily fixed by the limiting engagement of the eight limiting spring plates with the eight limiting grooves.

[0008] Preferably, an annular groove is provided at the connection between the mounting seat and the brake pad, an annular seat is provided inside the annular groove, and the annular seat is fixedly connected to the brake pad, and the brake pad can be initially limited by the limiting engagement between the annular seat and the annular groove.

[0009] Preferably, both sides of the top end of the inner wall of the shell and both sides of the bottom end of the inner wall of the shell are provided with sliding grooves, and sliders are slidably arranged inside the four sliding grooves. The four sliders are respectively fixedly connected to the four moving blocks, and the coordination of the four sliders and the four sliding grooves facilitates the stable movement of the four gate plates.

[0010] Preferably, four fixing bolts are threadedly provided at the connection between the fixing ring and the servo motor body, and the fixing ring and the housing can be easily disassembled by loosening the four fixing bolts.

[0011] Preferably, an annular groove is provided in the middle of one side of the shell, an auxiliary ring is fixedly provided inside the annular groove, and the annular groove is provided corresponding to a plurality of fastening bolts, so that the disassembly and assembly of the plurality of fastening bolts is facilitated by the provision of the annular groove.

[0012] Preferably, a maintenance door is provided on one side of the shell body close to the annular groove, and the provision of the maintenance door facilitates maintenance of the brake device.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By loosening several fastening bolts to separate them from several threaded holes, the brake pad is no longer fixed, and then pushing the brake pad to one side to separate the annular holder from the annular slot, thereby facilitating disassembly and replacement of the brake pad. By using a greater force to pull the brake pad downward or upward, the corresponding two limiting springs are separated from the two limiting slots, and the brake pad is no longer limited, thereby facilitating disassembly and replacement of the brake pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a partial side sectional view of the utility model;

[0017] Figure 3 It is an enlarged view of part A of the utility model;

[0018] Figure 4 It is an enlarged view of part B of the utility model.

[0019] In the figure: 1. Servo motor body; 2. Fixing ring; 3. Fixing bolt; 4. Housing; 5. Inspection door; 6. Output shaft; 7. Annular groove; 8. Auxiliary ring; 9. Brake pad; 10. Double-head cylinder; 11. Moving block; 12. Slider; 13. Slide groove; 14. Resting seat; 15. Brake pad; 16. Resting groove; 17. Limiting spring piece; 18. Limiting groove; 19. Mounting seat; 20. Fastening bolt; 21. Threaded hole; 22. Annular groove; 23. Annular seat. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-4 The utility model provides an external servo motor brake device, including a servo motor body 1, an output shaft 6 is arranged in the middle of one end of the servo motor body 1, a mounting seat 19 is fixedly arranged on the surface of the output shaft 6, a brake pad 9 is arranged on the inner side of the mounting seat 19, a side of the brake pad 9 away from the mounting seat 19 is threadedly arranged with a plurality of fastening bolts 20, a side of the mounting seat 19 close to the brake pad 9 is provided with a plurality of threaded holes 21, and the plurality of fastening bolts 20 are respectively threadedly connected with the plurality of threaded holes 21, a fixing ring 2 is arranged on the outer side of one end of the servo motor body 1, a shell 4 is fixedly arranged in the middle of the fixing ring 2, and a fixing ring 2 is fixedly arranged in the middle of the top end of the inner wall of the shell 4 and the middle of the bottom end of the inner wall of the shell 4 are fixedly installed with A double-headed cylinder 10, the two movable ends of the two double-headed cylinders 10 are fixedly connected with a moving block 11, one end of the four moving blocks 11 is fixedly provided with a mounting seat 14, and the inside of the four mounting seats 14 is clamped with a brake pad 15. By loosening a number of fastening bolts 20, they are separated from a number of threaded holes 21, and the brake pad 9 is no longer fixed. Then the brake pad 9 is pushed to one side, so that the annular seat 23 is separated from the annular groove 22, which makes it easy to disassemble and replace the brake pad 9. By using a larger force to pull the brake pad 15 downward or upward, the corresponding two limiting spring sheets 17 are separated from the two limiting grooves 18, and the brake pad 15 is no longer limited, which makes it easy to disassemble and replace the brake pad 15.

[0022] Both sides of the inner wall of the four placement seats 14 are provided with placement grooves 16, and the interiors of the eight placement grooves 16 are fixedly provided with limit springs 17, and both sides of the four brake pads 15 are provided with limit grooves 18, and the eight limit springs 17 are respectively engaged with the eight limit grooves 18. An annular groove 22 is provided at the connection between the mounting seat 19 and the brake pad 9, and an annular card seat 23 is engaged with the interior of the annular groove 22, and the annular card seat 23 is fixedly connected with the brake pad 9. Both sides of the top end of the inner wall of the shell 4 and both sides of the bottom end of the inner wall of the shell 4 are provided with slide grooves 13, and sliders 12 are slidably provided inside the four slide grooves 13, and the four sliders 12 are respectively fixedly connected with the four moving blocks 11;

[0023] When in use, the four brake pads 15 are conveniently limited and fixed by the limited engagement of the eight limiting spring pieces 17 and the eight limiting grooves 18, the brake pads 9 are conveniently initially limited by the limited engagement of the annular clamping seat 23 and the annular clamping groove 22, and the four sliders 12 and the four slide grooves 13 are conveniently matched to stably move the four brake pads 15;

[0024] Four fixing bolts 3 are threadedly arranged at the connection between the fixing ring 2 and the servo motor body 1, an annular groove 7 is opened in the middle of one side of the housing 4, an auxiliary ring 8 is fixedly arranged inside the annular groove 7, the annular groove 7 is arranged correspondingly to a plurality of fastening bolts 20, and an inspection door 5 is clamped and arranged on one side of the housing 4 close to the annular groove 7;

[0025] When in use, the fixing ring 2 and the housing 4 can be disassembled by loosening the four fixing bolts 3, the annular groove 7 can be used to facilitate the disassembly and assembly of several fastening bolts 20, and the inspection door 5 can be used to facilitate the inspection of the brake device.

[0026] When the embodiment of the present application is in use: the four moving blocks 11 are driven by the two double-headed cylinders 10 to move toward each other in pairs, and then the four brake pads 15 are driven to move toward each other in pairs, so that the four brake pads 15 are in close contact with the brake pad 9, so that the brake pad 9 stops rotating under the action of friction, thereby realizing the braking of the servo motor. When the brake pad 9 and the brake pad 15 need to be replaced, the plurality of fastening bolts 20 are loosened to separate them from the plurality of threaded holes 21, and the brake pad 9 is no longer fixed. The brake pad 9 is then pushed to one side so that the annular holder 23 is separated from the annular groove 22, thereby facilitating the disassembly and replacement of the brake pad 9. The brake pad 15 is pulled downward or upward with a greater force, so that the corresponding two limiting spring sheets 17 are separated from the two limiting grooves 18, and the brake pad 15 is no longer limited, thereby facilitating the disassembly and replacement of the brake pad 15.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An external servo motor brake device, comprising a servo motor body (1), characterized in that: An output shaft (6) is arranged in the middle of one end of the servo motor body (1), a mounting seat (19) is fixedly arranged on the surface of the output shaft (6), a brake pad (9) is arranged on the inner side of the mounting seat (19), a plurality of fastening bolts (20) are threadedly arranged on the side of the brake pad (9) away from the mounting seat (19), a plurality of threaded holes (21) are opened on the side of the mounting seat (19) close to the brake pad (9), and a plurality of the fastening bolts (20) are threadedly connected to the plurality of threaded holes (21) respectively. A fixing ring (2) is arranged on the outer side of one end of the servo motor body (1), a housing (4) is fixedly arranged in the middle of the fixing ring (2), a double-headed cylinder (10) is fixedly installed in the middle of the top end of the inner wall of the housing (4) and the middle of the bottom end of the inner wall of the housing (4), two movable ends of the two double-headed cylinders (10) are fixedly connected to moving blocks (11), one end of the four moving blocks (11) is fixedly arranged with a mounting seat (14), and the inside of the four mounting seats (14) is clamped with a brake piece (15).

2. The external servo motor brake device according to claim 1, characterized in that: Both sides of the inner wall of the four seating seats (14) are provided with seating grooves (16), and the interiors of the eight seating grooves (16) are fixedly provided with limiting spring pieces (17). Both sides of the four gate pieces (15) are provided with limiting grooves (18), and the eight limiting spring pieces (17) are respectively engaged and connected with the eight limiting grooves (18).

3. The external servo motor brake device according to claim 1, characterized in that: An annular clamping groove (22) is provided at the connection between the mounting seat (19) and the brake pad (9), an annular clamping seat (23) is provided inside the annular clamping groove (22), and the annular clamping seat (23) is fixedly connected to the brake pad (9).

4. The external servo motor brake device according to claim 1, characterized in that: Slide grooves (13) are provided on both sides of the top end of the inner wall of the shell (4) and on both sides of the bottom end of the inner wall of the shell (4), and sliders (12) are slidably arranged inside the four slide grooves (13), and the four sliders (12) are fixedly connected to the four moving blocks (11) respectively.

5. The external servo motor brake device according to claim 1, characterized in that: Four fixing bolts (3) are threadedly arranged at the connection between the fixing ring (2) and the servo motor body (1).

6. The external servo motor brake device according to claim 1, characterized in that: An annular groove (7) is provided in the middle of one side of the shell (4), an auxiliary ring (8) is fixedly arranged inside the annular groove (7), and the annular groove (7) is arranged corresponding to a plurality of fastening bolts (20).

7. The external servo motor brake device according to claim 6, characterized in that: An inspection door (5) is provided on one side of the housing (4) close to the annular groove (7).

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