Robot mechanical wrist

Abstract

The utility model relates to the technical field of robots, in particular to a robot mechanical wrist which comprises a main arm, the top end of the main arm is rotationally connected with a first wrist arm, one end of the first wrist arm is provided with a heat dissipation mechanism facilitating heat dissipation of equipment, and a first connecting ring is fixedly connected to one end of the first wrist arm. The first rotating ring is rotationally connected into the first connecting ring, and one end of the flexible sleeve is fixedly connected to the first rotating ring in a sleeving mode. According to the robot mechanical wrist, the output end of the second control machine arranged at the top end of the main arm is connected with the first cantilever, so that the first cantilever is controlled to rotate and swing; a rotating head arranged at the front end of the first cantilever and a flexible sleeve connected to the outer side of the second cantilever in a sleeving mode are rotationally connected to the first cantilever and the second cantilever through a first connecting ring, a first rotating ring, a second rotating ring and a second connecting ring, and meanwhile an air bellow is installed in an installation groove formed in the flexible sleeve. Therefore, the first cantilever, the rotating head, the second cantilever and the internal elements can be cooled conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of robots, in particular to a robot mechanical wrist. Background Art

[0002] A robot is an intelligent machine that can perform work automatically, semi-autonomously or fully autonomously. They perform various tasks, such as operation or movement, through programming and automatic control; a robotic arm is a type of robot, which is an early main form of robot and is widely used in industry. The robotic arm can imitate certain movements and functions of human hands and arms, and grasp, move objects or operate tools according to fixed procedures.

[0003] The above-mentioned device does not have a structure for air cooling the robot's mechanical wrist when in use, so that when the existing mechanical arm is in use, the frequent activities at the mechanical arm's wrist can easily cause the equipment and components thereto to operate in a high temperature environment for a long time, which can easily affect the service life. The prior art installs a fan at the wrist, which can easily blow a lot of dust into the wrist structure with the airflow and accumulate, which not only affects the flexibility of the mechanical arm, but also the dust can easily affect the operation of the mechanical arm. Based on the deficiencies of the existing technology, the utility model designs a robot mechanical wrist. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a robot mechanical wrist, which has the advantage of air cooling the robot mechanical wrist.

[0005] The utility model provides the following technical solution: a robot wrist, comprising a main arm, the top end of the main arm is rotatably connected to a first wrist arm, one end of the first wrist arm is provided with a heat dissipation mechanism for dissipating heat generated by the device;

[0006] A heat dissipation mechanism, the heat dissipation mechanism includes a first connecting ring, a first rotating ring, a flexible sleeve, a second rotating ring, a second connecting ring, a mounting groove, an air outlet, a bellows, a slot and a filter plate, the first connecting ring is fixedly connected to one end of the first arm, the first rotating ring is rotatably connected in the first connecting ring, one end of the flexible sleeve is fixedly sleeved on the first rotating ring, the second rotating ring is fixedly connected to the other end of the flexible sleeve, the second connecting ring is rotatably connected to the second rotating ring, the mounting groove is penetrated through the side wall of the flexible sleeve, the air outlet is penetrated through the two ends of the side wall of the flexible sleeve, the bellows is fixedly installed in the mounting groove, the slot is opened on one side of the bellows, and the filter plate is fixedly inserted into the inside of the filter plate.

[0007] As a preferred technical solution of the utility model, a horizontal plate is fixedly connected to the inner side of the main arm, a connecting seat is rotatably connected to the bottom of the main arm, a first control machine is arranged on one side of the main arm, a rotating seat is rotatably connected to the bottom of the connecting seat, and a second control machine is arranged on one side of the main arm.

[0008] As a preferred technical solution of the utility model, a swivel is fixedly installed on the outer end of the first arm, the swivel is rotatably connected to the second arm, and a connecting head is fixedly installed on the second arm.

[0009] As a preferred technical solution of the utility model, the second wrist arm is fixedly connected to the inside of the second connecting ring.

[0010] As a preferred technical solution of the utility model, the flexible sleeve is rotatably sleeved on the outer side of the rotating head and the second arm.

[0011] As a preferred technical solution of the utility model, a fan is arranged inside the bellows.

[0012] As a preferred technical solution of the utility model, the output end of the second control machine is connected to one end of the first arm.

[0013] As a preferred technical solution of the utility model, the output end of the first control machine is connected to the connecting socket.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] This kind of robot mechanical wrist, when the temperature at the wrist is high for a long time, starts the fan in the bellows to drive the external air to flow through the bellows and the installation slot into the flexible sleeve. Since the temperature of the external air is relatively low, after entering the flexible sleeve, it contacts the internal equipment for heat exchange and cooling. After the heat exchange, the heated hot air is discharged from the air outlet under pressure. At this time, the air circulation flow and cooling in the flexible sleeve can be achieved. This device is convenient for cooling the robot mechanical wrist. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the robot of the utility model;

[0018] Figure 3 This is a schematic diagram of the main arm and rotating seat structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the mechanical wrist of the utility model;

[0020] Figure 5 This is a schematic diagram of the heat dissipation mechanism structure of the utility model.

[0021] In the figure: 1. main arm; 101. horizontal plate; 102. connecting seat; 103. first control machine; 104. rotating seat; 105. second control machine; 2. first arm; 201. rotating head; 202. second arm; 203. connecting head; 3. heat dissipation mechanism; 301. first connecting ring; 302. first rotating ring; 303. flexible sleeve; 304. second rotating ring; 305. second connecting ring; 306. mounting groove; 307. air outlet; 308. bellows; 309. slot; 310. filter plate. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-5 A robot wrist comprises a main arm 1, the top of the main arm 1 is rotatably connected to a first wrist arm 2, one end of the first wrist arm 2 is provided with a heat dissipation mechanism 3 for dissipating heat generated by the equipment, a horizontal plate 101 is fixedly connected to the inner side of the main arm 1, the bottom of the main arm 1 is rotatably connected to a connecting seat 102, a first control machine 103 is provided on one side of the main arm 1, the bottom of the connecting seat 102 is rotatably connected to a rotating seat 104, a second control machine 105 is provided on one side of the main arm 1, the output end of the second control machine 105 is connected to one end of the first wrist arm 2, and the output end of the first control machine 103 is connected to the connecting seat 102.

[0024] See also Figure 4 A rotating head 201 is fixedly installed on the outer end of the first arm 2, and a second arm 202 is rotatably connected to the rotating head 201. A connecting head 203 is fixedly installed on the second arm 202, and the second arm 202 is fixedly connected to the inside of the second connecting ring 305.

[0025] See also Figure 5, heat dissipation mechanism 3, the heat dissipation mechanism 3 includes a first connecting ring 301, a first rotating ring 302, a flexible sleeve 303, a second rotating ring 304, a second connecting ring 305, a mounting groove 306, an air outlet 307, a bellows 308, a slot 309 and a filter plate 310, the first connecting ring 301 is fixedly connected to one end of the first arm 2, the first rotating ring 302 is rotatably connected in the first connecting ring 301, one end of the flexible sleeve 303 is fixedly sleeved on the first rotating ring 302, and the second rotating ring 304 is fixedly connected to the flexible sleeve 303. At the other end of the flexible sleeve 303, the second connecting ring 305 is rotatably connected to the second rotating ring 304, the mounting groove 306 is penetrated through the side wall of the flexible sleeve 303, the air outlet holes 307 are penetrated through the two ends of the side wall of the flexible sleeve 303, the bellows 308 is fixedly installed in the mounting groove 306, the slot 309 is opened on one side of the bellows 308, the filter plate 310 is fixedly inserted into the inside of the filter plate 310, the flexible sleeve 303 is rotatably sleeved on the outside of the rotating head 201 and the second arm 202, and a fan is arranged inside the bellows 308.

[0026] A flexible sleeve 303 is provided to prevent dust from entering the rotor 201 and the second arm 202 to affect the rotation operation; a first connecting ring 301, a first rotating ring 302, a second rotating ring 304 and a second connecting ring 305 are provided to prevent the rotation flexibility from being affected when the first arm 2, the rotor 201 and the second arm 202 rotate; a bellows 308 is provided with a fan in the bellows 308 to blow external cold air into the flexible sleeve 303 to cool the equipment and discharge the hot air in the flexible sleeve 303; a filter plate 310 is provided to filter the air blown into the flexible sleeve 303 to prevent dust from entering the rotor 201 and the second arm 202 with the high-speed airflow to cause dust accumulation.

[0027] Working principle, when a robot wrist is used, in the initial state, first, the upper and lower ends of the main arm 1 are respectively connected with the connecting seat 102 and the first wrist 2, and the bottom of the connecting seat 102 is rotatably connected with the rotating seat 104 and connected with the first control machine 103 arranged on one side of the main arm 1, so as to control the main arm 1 to rotate and swing the arm longitudinally or horizontally, and the output end of the second control machine 105 arranged at the top of the main arm 1 is connected with the first wrist 2, so as to control the first wrist 2 to rotate and swing the arm, and the flexible sleeve 303 sleeved on the outer side of the rotating head 201 and the second wrist 202 arranged at the front end of the first wrist 2 is rotatably connected to the first wrist 2 and the second wrist 202 by means of the first connecting ring 301, the first rotating ring 302, the second rotating ring 304 and the second connecting ring 305, and at the same time, a bellows 308 is installed in the installation groove 306 opened on the flexible sleeve 303, so as to cool the first wrist 2, the rotating head 201, the second wrist 202 and the internal components;

[0028] When the robot wrist needs to be cooled, first, when the temperature at the wrist is high for a long time, start the fan in the bellows 308 to drive the external air to flow through the bellows 308 and the mounting slot 306 into the flexible sleeve 303. Since the external air temperature is relatively low, after entering the flexible sleeve 303, it comes into contact with the internal equipment for heat exchange and cooling. After the heat exchange, the heated hot air is discharged from the air outlet 307 under pressure. At this time, the air circulation flow and cooling in the flexible sleeve 303 can be achieved, and the device is convenient for cooling the robot wrist.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A robot wrist, comprising a main arm (1), characterized in that: The top end of the main arm (1) is rotatably connected to a first arm (2), and one end of the first arm (2) is provided with a heat dissipation mechanism (3) for dissipating heat generated by the device; A heat dissipation mechanism (3), the heat dissipation mechanism (3) comprising a first connecting ring (301), a first rotating ring (302), a flexible sleeve (303), a second rotating ring (304), a second connecting ring (305), a mounting groove (306), an air outlet (307), a bellows (308), a slot (309) and a filter plate (310), the first connecting ring (301) being fixedly connected to one end of the first arm (2), the first rotating ring (302) being rotatably connected in the first connecting ring (301), and one end of the flexible sleeve (303) being fixedly sleeved on the first rotating ring (302), the second rotating ring (304) is fixedly connected to the other end of the flexible sleeve (303), the second connecting ring (305) is rotatably connected to the second rotating ring (304), the mounting groove (306) is penetrated and opened in the side wall of the flexible sleeve (303), the air outlet holes (307) are penetrated and opened at both ends of the side wall of the flexible sleeve (303), the bellows (308) is fixedly installed in the mounting groove (306), the slot (309) is opened on one side of the bellows (308), and the filter plate (310) is fixedly inserted in the interior of the filter plate (310).

2. A robot wrist according to claim 1, characterized in that: A transverse plate (101) is fixedly connected to the inner side of the main arm (1), a connecting seat (102) is rotatably connected to the bottom of the main arm (1), a first control machine (103) is provided on one side of the main arm (1), a rotating seat (104) is rotatably connected to the bottom of the connecting seat (102), and a second control machine (105) is provided on one side of the main arm (1).

3. A robot wrist according to claim 1, characterized in that: A rotating head (201) is fixedly mounted on the outer end of the first arm (2), a second arm (202) is rotatably connected to the rotating head (201), and a connecting head (203) is fixedly mounted on the second arm (202).

4. A robot wrist according to claim 3, characterized in that: The second arm (202) is fixedly connected inside the second connecting ring (305).

5. The robot wrist according to claim 1, characterized in that: The flexible sleeve (303) is rotatably sleeved on the outer sides of the rotating head (201) and the second arm (202).

6. A robot wrist according to claim 1, characterized in that: A fan is arranged inside the bellows (308).

7. A robot wrist according to claim 2, characterized in that: The output end of the second control machine (105) is connected to one end of the first arm (2).

8. A robot wrist according to claim 2, characterized in that: The output end of the first control machine (103) is connected to the connection socket (102).

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