Robotic arm joint components

Abstract

The utility model relates to a robot arm joint assembly in the field of robot arm technology. It includes a connection seat for connecting a first robot arm and a second robot arm, a control box for controlling the connection seat to rotate is installed on one side of the connection seat, and the connection seat includes a concave connection seat, a connecting shaft for limiting the second robot arm is installed in the middle of the concave connection seat, and a first key slot is provided at one end of the connecting shaft. The motor is started to synchronously drive the pulley 2 to rotate, and through the transmission of the belt body, the pulley 1 drives the limit block 1, the connection key 1 and the limit block 2 to rotate, when the limit block 2 rotates, it drives the transmission assembly 2 to rotate, when the connection key 1 rotates, it drives the connecting shaft to rotate, and when the heat dissipation assembly rotates, it drives the heat dissipation fan to rotate, and drives the hot air inside the box to dissipate through the heat dissipation slot, thereby dissipating the heat inside the box.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm joint component of a robot. Background Art

[0002] The robotic arm of an industrial robot is a complex system with high precision, multiple inputs, multiple outputs, high nonlinearity, strong coupling, and operational flexibility.

[0003] For example, the robot arm joint assembly disclosed in Chinese patent application number CN202320139286.6 has the following specific contents: the rotating part includes a circular cavity with an opening at the top, a top cover, a transmission shaft, a linkage gear ring, a drive motor and a drive gear; the transmission part includes a concave seat, a rotating shaft, a transmission platform, a mounting plate and a transmission part; the transmission part includes a storage frame with an opening at the top, a reducer, a first transmission wheel, a second transmission wheel, a transmission belt and a fine-tuning unit, which has the following technical problems:

[0004] A plurality of components for transmission are installed inside the joint assembly of the robotic arm, so that heat is generated inside the joint assembly of the robotic arm during operation. Common industrial robots need to work for a long time, and the high-load work makes the temperature inside the high-load joint assembly higher, which can easily cause overheating of electronic components, thereby affecting the service life of the electronic components. The above-mentioned prior art seals the components for transmission inside the joint assembly through a top cover and a sealing plate, which makes it difficult to dissipate the heat generated by the components when they are working. Utility Model Content

[0005] In order to solve the problem that the heat generated by the components during operation is difficult to dissipate as mentioned in the above background technology, the present invention provides the following technical solutions:

[0006] A robot arm joint assembly comprises a connecting seat for connecting a first robot arm and a second robot arm.

[0007] A control box for controlling the connection seat to rotate is installed on one side of the connection seat.

[0008] The connecting seat comprises a concave connecting seat, a connecting shaft for limiting the second mechanical arm is installed in the middle of the concave connecting seat, and a first key groove is formed at one end of the connecting shaft.

[0009] The control box comprises a box body, a transmission component 1 for controlling the rotation of the connecting shaft is installed inside the box body, and a transmission component 3 for controlling the rotation of the transmission component 1 is installed at one end of the transmission component 1.

[0010] A heat dissipation component for dissipating heat inside the box is installed inside the box, and one end of the heat dissipation component is engaged with a transmission component 2 for controlling the rotation of the heat dissipation component, and the transmission component 2 is connected to the front end of the transmission component 1.

[0011] Furthermore, a threaded hole 1 is provided inside the groove cavity of the first keyway.

[0012] Furthermore, a sealing plate is installed at the front end of the box body, a heat dissipation groove is opened on one side of the sealing plate close to the heat dissipation component, and a bolt 1 for fixing the sealing plate is installed on the edge of the sealing plate.

[0013] Furthermore, the transmission component 1 includes a limit block 1, a connecting key 1 is installed at the rear end of the limit block 1, and the connecting key 1 is inserted into the groove cavity of the first key slot, a pulley 1 is installed at the front end of the limit block 1, a limit block 2 is installed at the front end of the pulley 1, a second key slot for limiting the transmission component 2 is opened at the front end of the limit block 2, and a threaded hole 2 is opened in the middle of the second key slot.

[0014] Furthermore, the transmission component 2 includes a gear 1, a connecting key 2 is installed at the rear end of the gear 1, and the connecting key 2 is inserted into the groove cavity of the second keyway, and a bolt 2 is provided in the middle of the transmission component 2 for matching with the threaded hole 2 and a pair of threaded holes to fix the transmission component 1 and the transmission component 2.

[0015] Furthermore, the transmission component three includes a pulley two, a belt body for controlling the rotation of the pulley one is sleeved on the middle part of the pulley two, and a motor for controlling the rotation of the pulley two is installed on the front end of the pulley two.

[0016] Furthermore, the heat dissipation assembly includes a heat dissipation fan, a rotating rod for limiting the heat dissipation fan is installed in the middle of the heat dissipation fan, and a gear 2 for cooperating with gear 1 to control the rotation of the rotating rod is installed in the middle of the rotating rod.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] Start the motor, and synchronously drive the pulley 2 to rotate. Through the transmission of the belt body, the pulley 1 drives the limit block 1, the connecting key 1 and the limit block 2 to rotate. When the limit block 2 rotates, it drives the transmission component 2 to rotate. When the connecting key 1 rotates, it drives the connecting shaft to rotate. When the heat dissipation component rotates, it drives the heat dissipation fan to rotate, and drives the hot air inside the box to dissipate through the heat dissipation groove, thereby dissipating the heat inside the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a structural schematic diagram of the connecting seat of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the control box of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the transmission component 1 of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the transmission component 2 of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the transmission component three of the utility model;

[0025] Figure 7 It is a structural schematic diagram of the heat dissipation component of the utility model.

[0026] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0027] 10-first robotic arm, 20-second robotic arm;

[0028] 100-connecting seat, 110-concave connecting seat, 120-connecting shaft, 121-first keyway, 122-threaded hole 1;

[0029] 200-control box, 210-box, 211-sealing plate, 212-heat sink, 213-bolt 1;

[0030] 220-transmission component 1, 221-limiting block 1, 222-connecting key 1, 223-pulley 1, 224-limiting block 2, 225-second keyway, 226-threaded hole 2;

[0031] 230-transmission assembly 2, 231-gear 1, 232-connecting key 2, 233-bolt 2;

[0032] 240-transmission component three, 241-pulley two, 242-belt body, 243-motor;

[0033] 250-heat dissipation assembly, 251-heat dissipation fan, 252-rotating rod, 253-gear 2. DETAILED DESCRIPTION

[0034] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0035] See also Figure 1-Figure 7 , the utility model provides a mechanical arm joint component of a robot.

[0036] The connection seat for connecting the first mechanical arm and the second mechanical arm comprises a concave connection seat, a connection shaft for limiting the second mechanical arm is movably installed in the middle of the concave connection seat, and one end of the second mechanical arm is fixedly connected to the connection shaft, so that the connection shaft drives the second mechanical arm to rotate synchronously when rotating. A first keyway is provided at one end of the connection shaft, and a threaded hole 1 is provided inside the groove cavity of the first keyway for matching with bolt 2 to limit the transmission assembly 1 and the transmission assembly 2.

[0037] A control box for controlling the rotation of the connecting seat is fixedly installed at the front end of the connecting seat. The control box includes a box body. A sealing plate is installed at the front end of the box body. A heat dissipation groove is opened on the side of the sealing plate close to the heat dissipation component. The setting of the heat dissipation groove facilitates heat dissipation. A plurality of bolts are installed on the edge of the sealing plate for fixing the sealing plate.

[0038] A transmission component 1 for controlling the rotation of the connecting shaft is installed inside the box body. The transmission component 1 includes a limit block 1. A connecting key 1 is fixedly installed at the rear end of the limit block 1, and the connecting key 1 is inserted into the groove cavity of the first key slot, so that when the transmission component 1 rotates, it synchronously drives the connecting shaft to rotate.

[0039] A pulley 1 is fixedly installed at the front end of the limit block 1, and a limit block 2 is fixedly installed at the front end of the pulley 1. A second keyway for limiting the transmission component 2 is provided at the front end of the limit block 2, and a threaded hole 2 is provided in the middle of the second keyway, and the threaded hole 2 passes through the pulley 1, the limit block 1 and the connecting key 1. When the connecting key 1 is inserted into the groove cavity of the first keyway, the threaded hole 2 and the threaded hole 1 are aligned, so that the bolt 2 cooperates with the threaded hole 2 and the threaded hole pair to fix the transmission component 1 and the transmission component 2.

[0040] One end of the heat dissipation component is meshed with a transmission component 2 for controlling the heat dissipation component to rotate, and the transmission component 2 is connected to the front end of the transmission component 1. The transmission component 2 includes a gear 1, and a connecting key 2 is fixedly installed at the rear end of the gear 1, and the connecting key 2 is inserted into the groove cavity of the second keyway. The middle part of the transmission component 2 is provided with a bolt 2 for matching the threaded hole 2 and a pair of threaded holes to fix the transmission component 1 and the transmission component 2, so that when the transmission component 3 drives the transmission component 1 to rotate, the transmission component 1 synchronously drives the transmission component 1 and the transmission component 2 to rotate.

[0041] A transmission component 3 for controlling the rotation of the transmission component 1 is installed at one end of the transmission component 1, and the transmission component 3 includes a pulley 2. A belt body for controlling the rotation of the pulley 1 is sleeved on the middle part of the pulley 2, and a motor for controlling the rotation of the pulley 2 is installed at the front end of the pulley 2. The motor is started to synchronously drive the pulley 2 to rotate, and through the transmission of the belt body, the pulley 1 drives the limit block 1, the connecting key 1 and the limit block 2 to rotate. When the limit block 2 rotates, it drives the transmission component 2 to rotate, and when the connecting key 1 rotates, it drives the connecting shaft to rotate.

[0042] A heat dissipation component for dissipating heat inside the box is installed inside the box, the heat dissipation component includes a heat dissipation fan, a rotating rod for limiting the heat dissipation fan is fixedly installed in the middle of the heat dissipation fan, and a gear 2 for cooperating with gear 1 to control the rotation of the rotating rod is fixedly installed in the middle of the rotating rod, and the number of tooth blocks on one side of the gear is greater than the number of tooth blocks on the side of gear 2, so that when the transmission component 2 rotates half a circle, the heat dissipation component can rotate multiple circles. When the heat dissipation component rotates, it drives the heat dissipation fan to rotate, and drives the hot air inside the box to dissipate through the heat dissipation groove, thereby dissipating the heat inside the box.

[0043] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. A robot arm joint assembly, comprising a connection seat (100) for connecting a first robot arm (10) and a second robot arm (20), characterized in that: A control box (200) for controlling the rotation of the connecting seat (100) is installed on one side of the connecting seat (100); The connecting seat (100) comprises a concave connecting seat (110), a connecting shaft (120) for limiting the position of the second mechanical arm (20) is installed in the middle of the concave connecting seat (110), and a first key groove (121) is formed at one end of the connecting shaft (120); The control box (200) comprises a box body (210), a transmission component 1 (220) for controlling the connection shaft (120) to rotate is installed inside the box body (210), and a transmission component 3 (240) for controlling the transmission component 1 (220) to rotate is installed at one end of the transmission component 1 (220); A heat dissipation component (250) is installed inside the box (210) to dissipate heat inside the box (210); one end of the heat dissipation component (250) is engaged with a transmission component 2 (230) for controlling the rotation of the heat dissipation component (250), and the transmission component 2 (230) is connected to the front end of the transmission component 1 (220).

2. The robot arm joint assembly according to claim 1, characterized in that: A threaded hole 1 (122) is provided inside the groove cavity of the first key groove (121).

3. The robot arm joint assembly according to claim 1, characterized in that: A sealing plate (211) is installed at the front end of the box body (210), a heat dissipation groove (212) is provided on a side of the sealing plate (211) close to the heat dissipation assembly (250), and a bolt (213) for fixing the sealing plate (211) is installed at the edge of the sealing plate (211).

4. The robot arm joint assembly according to claim 2, characterized in that: The transmission component 1 (220) comprises a limit block 1 (221), a connecting key 1 (222) is installed at the rear end of the limit block 1 (221), and the connecting key 1 (222) is inserted into the groove cavity of the first key groove (121), a pulley 1 (223) is installed at the front end of the limit block 1 (221), a limit block 2 (224) is installed at the front end of the pulley 1 (223), a second key groove (225) for limiting the transmission component 2 (230) is opened at the front end of the limit block 2 (224), and a threaded hole 2 (226) is opened in the middle of the second key groove (225).

5. The robot arm joint assembly according to claim 4, characterized in that: The transmission component 2 (230) includes a gear 1 (231), a connecting key 2 (232) is installed at the rear end of the gear 1 (231), and the connecting key 2 (232) is inserted into the groove cavity of the second keyway (225), and a bolt 2 (233) is provided in the middle of the transmission component 2 (230) for matching the threaded hole 2 (226) and the threaded hole 1 (122) to fix the transmission component 1 (220) and the transmission component 2 (230).

6. The robot arm joint assembly according to claim 4, characterized in that: The transmission component three (240) includes a pulley two (241), the middle part of the pulley two (241) is sleeved with a belt body (242) for controlling the rotation of the pulley one (223), and the front end of the pulley two (241) is installed with a motor (243) for controlling the rotation of the pulley two (241).

7. The robot arm joint assembly according to claim 5, characterized in that: The heat dissipation assembly (250) comprises a heat dissipation fan (251), a rotating rod (252) for limiting the heat dissipation fan (251) is installed in the middle of the heat dissipation fan (251), and a gear 2 (253) for cooperating with gear 1 (231) to control the rotation of the rotating rod (252) is installed in the middle of the rotating rod (252).

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